CN102905819A - Pick tool and method for making same - Google Patents
Pick tool and method for making same Download PDFInfo
- Publication number
- CN102905819A CN102905819A CN2011800126786A CN201180012678A CN102905819A CN 102905819 A CN102905819 A CN 102905819A CN 2011800126786 A CN2011800126786 A CN 2011800126786A CN 201180012678 A CN201180012678 A CN 201180012678A CN 102905819 A CN102905819 A CN 102905819A
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- China
- Prior art keywords
- instrument
- hole
- shank
- insert
- fixator
- Prior art date
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- Granted
Links
- 238000000034 method Methods 0.000 title claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 109
- 239000010959 steel Substances 0.000 claims abstract description 109
- 238000003780 insertion Methods 0.000 claims abstract description 81
- 230000037431 insertion Effects 0.000 claims abstract description 81
- 239000000463 material Substances 0.000 claims description 53
- 229910003460 diamond Inorganic materials 0.000 claims description 35
- 239000010432 diamond Substances 0.000 claims description 35
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000003786 synthesis reaction Methods 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 229940072033 potash Drugs 0.000 claims description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 2
- 235000015320 potassium carbonate Nutrition 0.000 claims description 2
- 230000009191 jumping Effects 0.000 description 17
- 239000013078 crystal Substances 0.000 description 14
- 239000011159 matrix material Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 230000003068 static effect Effects 0.000 description 10
- 229910010271 silicon carbide Inorganic materials 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 4
- 229910052582 BN Inorganic materials 0.000 description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 3
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 3
- 229910001573 adamantine Inorganic materials 0.000 description 3
- 230000004323 axial length Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000011295 pitch Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000002968 anti-fracture Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/58—Chisel-type inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
- E21C35/193—Means for fixing picks or holders using bolts as main fixing elements
- E21C35/1933—Means for fixing picks or holders using bolts as main fixing elements the picks having a cylindrical shank
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
- Surgical Instruments (AREA)
- Milling Processes (AREA)
- Road Repair (AREA)
Abstract
A pick tool (100) comprising an insert (110) and a steel holder (120) for the insert (110), the insert (110) comprising a superhard tip (112) joined to a cemented carbide support body (114) having an insertion shank (118); the steel holder (120) comprising a shaft (122) for connection to a tool carrier (not shown) and provided with a bore (126) configured for receiving the insertion shank (118); the volume of the cemented carbide support body (114) being at least 6 cm3.
Description
Technical field
Embodiments of the invention relate to and generally take instrument and manufacture method thereof, describedly take instrument and comprise hard tip, and it especially but do not decompose uniquely hard or abrasion body, for example rock, pitch, coal or concrete.
Background technology
Take instrument can be used for cracked, drill or decompose for example rock, pitch, coal or concrete structure or main body, and can be used for the application of for example mining, building and road rehabilitation.For example, in road rehabilitation operation, can take instrument and be installed on the rotating cylinder and when rotating cylinder rotates, smash road asphalt a plurality of.Can use similar approach for example smashing the rock stratum in the coal mining.Some takes instrument can comprise the active tip that comprises the diamond synthesis material, compares with the active tip that is formed by the hard tungsten carbide material, and this active tip has better abrasion resistance properties.Yet, to compare with the hard carbide material, synthetic and natural diamond is often more frangible and have lower anti-fracture energy, and this tends to reduce its potentially useful in taking operation.Having to provide a kind of instrument that takes that has than long service live.
Publication number a kind of instrument of high impact-resistant that has been 2008/0035383 U.S. Patent Application Publication, it has the superhard material that is attached on the hard metal carbide substrate, described hard metal carbide substrate is incorporated on the front end of hard metal carbide portion, this hard metal carbide portion has the shank that is formed on the bottom, and described shank is press-fit in the hole of steel fixator.The steel fixator is rotatably fixed on the cylinder that is suitable for around the axle rotation.
Summary of the invention
From first aspect, the invention provides a kind of comprise the insert (be also referred to as and take insert) that is installed on the steel fixator take instrument (being also referred to as the superhard instrument that takes), described insert comprises the hard tip that is connected on the hard carbide supporter end, and described supporter comprises insertion shank (also referred to as shank); Described steel fixator has the hole that is configured to hold described insertion shank, and comprises and be configured to the steel fixator is installed to axle on the tool holder, for example takes driving arrangement; The volume of hard carbide supporter is 6cm at least
3, be 10cm at least
3Perhaps be 15cm at least
3But described insertion shank shrink-fit is in the hole.On the other hand, the invention provides for the external member that originally takes instrument, described external member is in non-assembling or the part confined state.
From second aspect, the invention provides the method that a kind of manufacturing takes instrument, described method comprises: insert is provided and is used for the steel fixator of insert, described insert comprises the hard tip that is connected on the hard carbide supporter, and the hard carbide supporter has the insertion shank; Described steel fixator comprises be used to the axle that is connected to tool holder, and is equipped with the hole that holds described insertion shank; It is 15cm at least that described insertion shank has
3Volume; And will insert the shank shrink-fit in the hole of described steel fixator.
From the third aspect, the invention provides the method that a kind of dismounting takes instrument, described method comprises: thus heat described steel fixator expanded bore, and from described hole, regain described insertion shank.
Description of drawings
Hereinafter, the nonrestrictive exemplary arrangement of having explained this disclosure is described with reference to the drawings, wherein:
Figure 1A is the partly cut-away's schematic side view that takes the instrument example;
Figure 1B is the schematic side view that takes insert that the example that shows among Figure 1A takes instrument;
Fig. 1 C is the partial cut-away perspective view that the example that shows among Figure 1A takes the steel fixator of instrument;
Fig. 2 is the partly cut-away's schematic side view that takes the instrument example;
Fig. 3 is the partly cut-away's schematic side view that takes the instrument example;
Fig. 4 is the partly cut-away's schematic side view that takes the instrument example, and wherein, dimensional units is millimeter;
Fig. 5 is the partly cut-away's schematic side view that takes the instrument example, and wherein, dimensional units is millimeter;
Fig. 6 is the partly cut-away's schematic side view that takes the instrument example, and wherein, dimensional units is millimeter;
Fig. 7 is the longitudinal cross-section schematic diagram that any one example of showing among the longitudinal cross-section schematic diagram of hard tip example and Figure 1A to Fig. 6 takes the part supporter of instrument;
Fig. 8 is the schematic side view that any one example of showing among the schematic side view of hard tip example and Figure 1A to Fig. 6 takes the part supporter of instrument, and wherein dimensional units is millimeter and angular unit degree of being;
Fig. 9 is the partly cut-away's schematic side view that takes the instrument example that is installed on the stake body, wherein, has only shown a part that takes instrument;
Figure 10 is be used to the schematic side view that takes the instrument example that is different from the support shown in Fig. 9;
Figure 11 is the partly cut-away's schematic side view that takes the instrument example, and wherein the part of steel fixator is in the state of wear.
In institute's drawings attached, identical reference number relates to identical general features.
The specific embodiment
As used herein, " superhard " means at least Vickers hardness of 25GPa, and sintered carbide tools, insert or assembly mean instrument, insert or the assembly that comprises superhard material.
Synthetic and natural diamond, polycrystalline diamond (PCD), cubic boron nitride (cBN) and polycrystal cubic boron nitride (PCBN) material are the examples of superhard material.As used herein, diamond synthesis is also referred to as diamond, and it is Manufactured diamond.As used herein, polycrystalline diamond (PCD) material comprises a large amount of diamond crystalses (aggregation block of a plurality of diamond crystalses), the major part of polycrystalline diamond is directly intergranular combination each other, and wherein diamond content be material at least about the 80%(volume ratio).At least part of adhesive material that comprises for the synthesis of adamantine catalyst material that is filled with in gap between the diamond crystals, perhaps this gap is in fact empty.As used herein, can make synthetic or natural diamond be in the growth that promotes diamond crystals under the stable temperature and pressure of thermokinetics or promote the direct intergranular growth of synthetic or natural diamond crystal grain for the synthesis of adamantine catalyst material.The example that is used for adamantine catalyst material is Fe, Ni, Co and Mn and some alloy that comprises these metals.The main body that comprises the PCD material can comprise at least one zone, and catalyst material is removed from the gap in this zone, thus between diamond crystals the leaving gap room.As used herein, the PCBN material comprises cubic boron nitride (cBN) crystal grain that is dispersed in the matrix, and described matrix comprises metal or ceramic material.
Other examples of superhard material comprise some composite, this composite comprises diamond or the cBN crystal grain that combines by matrix, described matrix comprises ceramic material, carborundum (SiC) for example, and perhaps described matrix comprises the hard carbide material, for example in conjunction with the WC material of Co (for example, as 5,453,105 or 6, described in 919,040 the United States Patent (USP)).For example, some diamond in conjunction with SiC can comprise that percent by volume is at least about 30 diamond crystals, and described diamond crystals is dispersed in the SiC matrix (it can comprise the Si of a small amount of non-SiC form).Be 7,008,672,6,709 in the patent No., 747,6,179,886,6,447,852 United States Patent (USP) and international publication number are the example of having described in the international application of WO 2009/013713 in conjunction with the diamond of SiC.
With reference now to Figure 1A to Fig. 6, the exemplary arrangement that takes instrument that is used for decomposing duromer or abrasion body or structure is described.
The example that takes instrument 100 comprises insert 110 and is used for the steel fixator 120 of this insert 110.Insert 110 comprises the hard tip 112 that is connected on the hard carbide supporter 114, and this hard carbide supporter 114 comprises insertion shank 118.In these examples, it is normally columniform and have an average diameter D to insert shank 118, each hard tip 112 comprises each the PCD structure 111 that is attached on the hard carbide matrix 113, hard carbide matrix 113 is connected on each supporter 114 at each 115 place, interface by brazing material, and supporter 114 has frustum part 116 usually, and hard tip 112 is soldered on this frustum part 116.Steel fixator 120 comprises the axle 122 that takes on the cylinder unit (not shown) be used to being connected to, and hole 126 be configured to for insert shank 118 shrink-fit.Steel fixator 120 can be equipped with insert receiving member 124 separately, and hole 126 is formed in the receiving member 124.
At least a portion of inserting shank 118 is fixed in the hole 126 by shrink-fit.As used herein, shrink-fit is that a kind of relative size by at least one assembly changes the interference fit between the assembly that (shape also can change a little) obtain.Shrink-fit obtains by heating or cooled off an assembly and make it return to room temperature after assembling before assembling usually.Shrink-fit is understood to form contrast with being pressed into to cooperate, and wherein, is pressed into to cooperate and refers to assembly firmly is pressed in the hole or recess in another assembly, and it can produce a large amount of friction strees between assembly.
The zone that shrink-fit may cause being adjacent to the steel fixator 120 in hole 126 is in the static state of circumferential tension stress.In taking some examples of instrument, being adjacent to zone in the steel fixator in hole is at least about in 300MPa or the state at least about circumferential (or hoop) static stretch stress of 350MPa, and take in the instrument at some, circumferentially static stretch stress maximum can reach about 450MPa or reach about 500MPa.As used herein, the static stress state of instrument or element refers to the stress state of instrument under the static conditions or element, for example can have this state when not tool using or element.
Take in the instrument in some examples, the part that comprises frustum part 116 119 of supporter 114 can give prominence to and extend to outside the aperture 128 in hole 126 from steel fixator 120.In some instances, ledge 119 along the diameter of the whole length of ledge at the most can be greater than the average diameter D in hole 126 about 5%, perhaps substantially be not more than this average diameter.In the example that Figure 1A to Fig. 6 explains, the diameter of ledge 119 is no more than the diameter in hole 126 substantially.
In one embodiment, jumping through rings encases at least a portion of the ledge of hard carbide supporter, and in one embodiment, but the jumping through rings shrink-fit is to this ledge.In one embodiment, jumping through rings has hardness and the abrasion resistance properties lower than hard carbide, and in one embodiment, jumping through rings comprises steel.In one example, jumping through rings is attached on the steel fixator by brazing mode.Jumping through rings can be the hard carbide supporter and provides support or protect.
Take the instrument modification with reference to the example that shows among figure 2 and Fig. 4, jumping through rings 130 encases the part of the ledge 119 of supportive body 114.Jumping through rings 130 can encase at least a portion of ledge 119, and in one embodiment, but jumping through rings 130 shrink-fit are to this ledge.Jumping through rings 130 can have hardness and the abrasion resistance properties lower than hard carbide, and can comprise steel.In one embodiment, jumping through rings 130 is attached on the steel fixator 120 by the mode of soldering.Jumping through rings 130 can be hard carbide supporter 114 and provides support or protect.Jumping through rings 130 can have various shapes, for example general taper or general circular, and jumping through rings can be almost symmetry or asymmetrical.By anti-wear stiff dough (not shown), for example comprise layer or the sleeve pipe of tungsten carbide, can protect at least a portion of the outer surface of jumping through rings 130.Especially; by the antiwear device (not shown); can protect at least a portion 127 of the outer surface of the steel fixator 120 adjacent with the aperture 128 in hole 126, for example can protect from the aperture 127 surf zones that extend upward the insert receiving member 124 that reaches 20mm.The example of this mode can be to comprise tungsten carbide and/or for example layer or the sleeve pipe of the superhard material crystal grain of diamond or cBN.In one embodiment, jumping through rings 130 can have protection stiff dough, thereby it mainly is arranged on or only is arranged on the larger side of in use exposure wearing and tearing.
With reference to figure 3, by the mode of shrink-fit, the major part of inserting shank 118 is fixed in the hole 126 of steel fixator 120.In this example, insert receiving member 124 is equipped with base 129, and the insertion shank 118 of supporter 114 can prop up this base and locate.Base 129 can be equipped with through hole 1291, and the end that is used for being convenient to take out insert 112 or will insert shank 118 is soldered to base 129.For example, the through hole 1291 of base 129 can have at least about 0.6cm and the diameter S of about 2cm at the most.Insert receiving member 124 can have external diameter W, and it can be about 4.8cm.Usually, the diameter D of the insertion shank 118 of supporter 114 is larger, and the wall section of insert receiving member 124 that just need to define hole 126 is thinner, because the external dimensions of steel fixator 120 is taken the design of equipment (not shown) or takes the restriction of operation requirements.For example, usually, the wall section of insert receiving member is thicker, and it is firmer to take instrument, but in return, the consumption that operates required energy and steel may be higher.
In the shown example of Figure 1A, Fig. 2 and Fig. 4, hole 126 can extend through fixator 120, thereby the through hole with a pair of relative open end (perhaps aperture) 128 is provided.In these examples, at least a portion of inserting shank 118 can extend through insert receiving member 124 basically.
In taking some examples of instrument, that the ratio between the volume of hard carbide supporter and the volume of superhard structure is at least is about 30, be at least about 40 or be at least about 50.In certain embodiments, the ratio between the volume of the volume of hard carbide supporter and superhard structure is approximately at the most 300, is 200 approximately or is 150 at the most approximately at the most.In certain embodiments, the volume of superhard structure is at least about 200mm
3Perhaps at least about 300mm
3In certain embodiments, the volume of superhard structure is 500mm at the most approximately
3Perhaps be 400mm at the most approximately
3
In taking some modification of fixator, the length in hole equals its diameter at least.In one example, the diameter that inserts shank and hole can be about 2.5cm, and the length of the insertion portion of hole and insertion shank can be about 6cm; And therefore, the volume of the insertion portion of hole and insertion shank can be about 29cm
3, and the contact area between the interior perimeter surface in hole and the insertion shank is about 47cm
2In another example, the diameter that inserts shank and hole can be about 2cm, and the length of the insertion portion of hole and insertion shank can be about 8.3cm; And therefore, the volume of the insertion portion of hole and insertion shank can be about 26cm
3, and the contact area between the interior perimeter surface in hole and the insertion shank is about 52cm
2In another embodiment, the diameter that inserts shank and hole can be about 3.5cm, and the length of the insertion portion of hole and insertion shank can be about 6.9cm; And therefore, the volume of the insertion portion of hole and insertion shank can be about 66cm
3, and the contact area between the interior perimeter surface in hole and the insertion shank is about 76cm
2
In taking some examples of instrument, inserting shank can not be substantially cylindrical, and can demonstrate various arbitrary shapes when observing from the cross section.For example, inserting shank can be General Elliptic shape, avette, wedge shape, square, rectangle, polygons or semicircle; Or the shape of cross section that inserts shank can change along its length.
In some instances, shank can have the form of substantially cylindrical and can have at least about 15mm, at least about 20mm, at least about 25mm or even the diameter of 30mm at least.In certain embodiments, shank has at the most about 20mm, at the most about 25mm, at the most about 30mm, at the most about 35mm or even the diameter of about 40mm at the most.In certain embodiments, less than about 5mm, perhaps its diameter is substantially constant along its length along the variation of its whole length for the diameter of shank.
Below form summarized can be with the particular example combination that takes the approx. dimension that the instrument variant uses disclosed herein.These sizes relate to the length in hole and insert shank insertion portion length, hole and insertion shank insertion portion average diameter, hole minimum volume and insert the volume of insertion portion of shank and the circumferential inner wall in hole and insert contact area between the corresponding surface of insertion portion of shank.
In certain embodiments, supporter comprises having at the most about 17MPa.m
1/2, about 13MPa.m at the most
1/2, about 11MPa.m at the most
1/2Or even about 10MPa.m at the most
1/2The hard carbide of fracture toughness.In certain embodiments, supporter comprises having at least about 8MPa.m
1/2Or at least about 9MPa.m
1/2The hard carbide material of fracture toughness.In certain embodiments, supporter comprises having at least about 2,100MPa, at least about 2,300MPa, at least about 2,700MPa or even at least about the hard carbide material of the cross-breaking strength of 3,000MPa.
In certain embodiments, supporter comprises the hard carbide material, and this material comprises having at the most about 8 microns or the metal carbides crystal grain of about 3 microns average-size at the most.In one embodiment, supporter comprises the hard carbide material, and this material comprises the metal carbides crystal grain that has at least about 0.1 micron average-size.
In certain embodiments, supporter comprises the hard carbide material, this material comprises at the most about 13% percentage by weight, at the most about 10% percentage by weight, at the most about 7% percentage by weight, at the most about 6% percentage by weight or even the at the most metal binder material of about 3% percentage by weight, for example cobalt (Co).In certain embodiments, supporter comprises the hard carbide material, and this material comprises at least about 1% percentage by weight, at least about 3% percentage by weight or at least about the metal-to-metal adhesive of 6% percentage by weight.
In some instances, supporter can be mainly by or consisted of by the hard carbide material.
In taking some examples of instrument, the shrink-fit of assembly is reversible, and steel fixator and/or insert shank and can be disassembled and reuse, and this has effectively reduced the cost that takes instrument and has allowed the expansion of steel fixator to use.This obtains by following method, that is: near the steel fixator the bottoming hole is expanded thereby impel the steel fixator to insert shank with respect to hard carbide, allows to remove from the hole and inserts shank.
The invention provides the method that a kind of manufacturing takes instrument, the method comprises: provide to take insert, described insert comprises the hard tip that is connected on the hard carbide supporter end, and described supporter comprises shank (insertion shank); The steel fixator is provided, and described steel fixator has the hole that is configured to hold described shank, and comprises and be configured to the steel fixator is installed to axle on the tool holder; With described shank shrink-fit in the hole of steel fixator.At least a portion of steel fixator by will comprising the hole is heated to about 350 degrees centigrade temperature, shank is inserted in the hole of the fixator that heat and allow the hole of steel fixator to cool off and contraction, can with described insertion shank shrink-fit in the hole of steel fixator, insert shank with the compress mode clamping thus.Comprise in the example of base that at the steel fixator inserting shank can be inserted in the hole from start to finish, so that the end that is inserted into is near base.
Gap between the hole of insertion shank and fixator is the difference in size between them, and it can be expressed as size percentage.For example, have among the embodiment of general circular cross section at insertion shank (and hole), this gap can be expressed as the diameter difference that represents with diameter percentage.Expectation selects to insert size between shank and the hole according to the diameter that inserts shank at least, and expects that this size is at least about being to insert 0.002% of shank diameter.In one example, the diameter that inserts shank is about 2.5cm, and the gap of inserting between shank and the hole is to insert about 0.08% of shank diameter.Insert gap between shank and the hole and can be and insert at the most about 0.3% of shank diameter.If the gap is too large, so when with steel fixator shrink-fit when inserting on the shank, can surpass the elastic limit of fixator Steel material, this can cause being adjacent to some strains of the steel in hole.If the gap is large not, so in use shrink-fit may deficiency so that insert is fixed the device firm grip.
In some forms of described method, can select to insert the accurate dimension in shank and hole, so that will insert the shank shrink-fit to Kong Zhonghou, the zone that is adjacent to the hole in the steel fixator is at least about under 300MPa or circumferential (perhaps hoop) the static tensile stress at least about 350MPa.In certain embodiments, the zone that is adjacent to the hole in the steel fixator is in about 450MPa at the most or at the most under circumferential (perhaps hoop) static tensile stress of about 500MPa.
In non-limiting example, disclosedly take instrument and comprise hard tip, as described at publication number 2009/0051211,2010/0065338,2010/0065339 or 2010/0071964 U.S. Patent application.With reference to figure 7, be used for the insert example that takes the execution of instrument example disclosed herein and comprise hard tip 112, this tip 112 comprises the superhard structure 111 that is attached to general type on the superhard carbide substrate 113, cap.Hard tip 112 is connected on the frustum part 116 of supporter 114.The major part of superhard structure 111 has spherical blunted cone profile, it has rounding summit 1111, this summit has the radius of curvature in fore-and-aft plane, and the cone angle κ between the tapering part 1112 of the axis that is parallel to longitudinal axis AL and superhard structure 111 outer surfaces.Superhard structure 111 comprises nasal region 1113 and skirt region 1114, and skirt region is vertically and on the side direction, dangle away from nasal region 1113.In some distortion of example, the minimum longitudinal thickness of skirt region 1114 can be at least about 1.3mm or at least about 1.5mm.In some distortion of example, the longitudinal thickness of the superhard cap 111 at 1111 places, summit is at least about 4mm or at least about 5mm, and at the most about 7mm or at the most about 6mm.In a distortion of example, the longitudinal thickness of the superhard structure 111 at place, summit 1111 is in the scope of about 5.5mm to 6mm.In some forms of example, the radius of curvature on rounding summit 1111 is at least about 2mm and about 3mm at the most.In certain embodiments, cone angle κ is at the most 80 degree or at the most 70 degree.In some distortion of example, cone angle κ is at least about 45 degree or at least about 50 degree.
With reference to figure 8, be used for the disclosed insert example that takes the embodiment of instrument and comprise hard tip 112, this tip 112 comprises the superhard structure 111 that is attached on the hard carbide matrix 113.Hard tip 112 is connected on the frustum part 116 of supporter 114.The radius of curvature R of spherical blunted cone nose 1111 is about 2.25mm, and cone angle κ is about 42 degree.
With reference to figure 9, a part that is used for the example of the disclosed steel fixator 120 that takes instrument is connected to base block 200(stake body by interlocking fastener mechanism 210), wherein, the axle 122 of steel fixator 120 is locked in the hole that is formed in the stake body 200.The part that example takes the insertion shank 118 of instrument also is illustrated.Axle 122 can be detachably connected on the base block 200, and this base block welds or is connected on the cylinder.Base block 200 and fixator 120, more specifically, axle 122 can be configured to allow dismountable the cooperatively interacting between steel fixator 120 and the base block.Axle 122 can be configured to non-rotatably cooperatively interact with base block, and is suitable for that disclosed tool holder uses in the Deutsche Bundespatent of for example DE 101 61 713 B4 numbers and DE 10 2,004 057302 A1 numbers.Tool holder, for example base block can be soldered on the assembly of driving arrangement, and cylinder for example is to be used for driving the superhard instrument that takes.Figure 10 has shown the side view that takes instrument 100 that is used for the different tool holder of the example that shows from Fig. 9, and the axle 122 of steel fixator 120 is configured by different way.Take instrument 100 and comprise insert 110, it has the hard tip 112 on the part 116 that is connected to supporter.
The invention provides a kind of method, the method is used for taking instrument and being connected to tool holder superhard, this tool holder is incorporated on the assembly of driving arrangement, described method comprises: will take insert and be connected to the steel fixator, take instrument thereby form, described steel fixator comprises axle, and this axle is configured to operationally the steel fixator is connected on the tool holder, this tool holder comprises engagement tool, and this engagement tool is configured to hold the axle of steel fixator; And, then take instrument and be connected on the tool holder superhard.In an embodiment of described method, tool holder is soldered on the assembly of driving arrangement, and cylinder for example is to be used for driving the superhard instrument that takes.
In operation, take thereon driving arrangement of instrument by being equipped with, abut against structure to be decomposed and drive forwards this and take instrument, and its hard tip is at the front end of advancing.For example, a plurality ofly take instrument and can be installed on the cylinder to be used for pitch and decompose, pave again thereby also can be used for pulverizing road.Described cylinder is connected on the vehicle and activated rotation.In the time of near cylinder enters road surface, take instrument repeated impacts road when cylinder rotates, and the front end hard tip is pulverized pitch thus.Can use the coal seam in the similar approach pulverizing colliery.
With reference to Figure 11, being presented at example among Fig. 5 takes instrument and schematically is in the state of wear, wherein the part 1201 of steel fixator 120 in use is worn, thereby has exposed the part on the surface of inserting axle 118, and this exposed portions serve is the part adjacent with part 1201.
Take instrument and be under the state of wear although be presented at example among Figure 11, some examples take instrument and can be equipped with before using and cut part 1201 open.In this configuration, insert shank 118 only partly by along the hole 126 at the scope place of the axial location R that inserts shank 118 length L around (namely, in the scope R of axial location, insert shank 118 not by steel fixator 120 Perfect Rings around or surround).
When be designed for high wearing and tearing operation take instrument the time, for example be used for decomposing pitch, coal or sylvite, expect the balance between the wear-resistant and resistance to fracture of implementation tool cost in use and its.Superhard material, for example diamond synthesis is tending towards more wear-resistant, but also more expensive than hard carbide material; And compare with Steel material, but it is tending towards more wear-resistant more expensive.A kind of method can be come the diamond that comprises in the minimization tool and the content of hard carbide material according to its relative cost, and the assembly that comprises these materials is configured, thereby obtains desirable life tools.
In use, the hard carbide supporter moving direction have be arranged on the most advanced and sophisticated back of PCD at least about 6cm
3, at least about 10cm
3Perhaps at least about 15cm
3Larger volume, and relatively deeply extend in the steel fixator, as if it can improve the working life of instrument to surprising degree, this might adjust the extra cost of carbide.
Although do not wish to be subject to the constraint of particular theory, when inserting the PCD tip when contending with pulverized structure, by being tending towards resisting most advanced and sophisticated distortion or bending, the high density that carbide inserts shank can provide abundant improved support for the PCD tip with relative high-quality and high rigidity thereof.Carbide inserts shank can be regarded as forming the thorn-like structure, and this structure extends in the steel fixator relatively deeply.Elongated carbide shank also can be used as the thorn section that strengthens, and it extends in the steel fixator and makes it firmer.
Have been found that the instrument that takes with hard tip has represented the working life that prolongs in the pitch operation splitting, wherein, this instrument that takes with hard tip combines relatively large insertion shank and the shrink-fit connection of being connected shank in the steel fixator.If the volume of the insertion portion of insertion shank is less than about 6cm
3, less than about 15cm
3Perhaps even less than about 15cm
3, hard tip fully is not supported so in operation; And if the interface zone between insertion shank and the hole is less than about 20cm
2, then carbide support main body can not be by the fully securely clamping of steel fixator, and wherein this carbide supported body shrink-fit is in the steel fixator.If insert the diameter of shank less than about 2cm, it can not provide enough support and robustness for carry out cracked instrument in harsh especially operation so, and/or the steel fixator may excessive wear.If the length of supporter is less than about 4cm, it can not provide sufficient support for steel fixator and/or PCD tip so, may rupture prematurely in the PCD tip.
Disclosedly herein take in the instrument, volume and the contact area between the two of inserting shank and hole are relative large, will insert the shank shrink-fit and have advantage to the steel fixator is interior with respect to being pressed into cooperation.Compare with relative large insertion shank is press-fit in the hole, relatively large insertion shank shrink-fit is needed quite little power in the hole.This be so that can enough be clamped in insert securely in the hole of steel fixator, and can not surpass in fact the elastic limit of Steel material, reduce thus the plastic deformation of steel fixator.Yet, do not wish to be subject to the constraint of particular theory, this is so that less distortion and the axial stress that is produced by the pressure between insertion shank and the hole surface and frictional force born in the zone that is adjacent to the hole of steel fixator.Insert the residual stress component that shank also can have reduction, in use, it can produce larger resistance to fracture.In return, shrink-fit may need more complicated a little equipment and step.
Shrink-fit can allow to reduce to insert being connected to the dependence of the soldering on the steel fixator.Comprise at hard tip in the situation of synthetic or natural diamond, for example polycrystalline diamond, this is particularly useful, because soldering need to be used high-temperature (diamond, particularly the diamond of PCD form is tending towards having relatively low heat endurance and is tending towards converting to graphite when high temperature), thus make the tip have the thermal decomposition of reduction.In addition, need in special stove and extraordinary atmosphere, implement soldering, and shrink-fit does not need these.
The invention provides example and take instrument.Terms hereinafter is proposed as taking further describing of instrument to disclosed.
1. superhardly take the steel fixator that instrument (for simplicity, be also referred to as take instrument) comprises insert and is used for insert, described insert comprises the hard tip that is connected on the hard carbide supporter, and this hard carbide supporter has the insertion shank; Described steel fixator comprises be used to the axle that is connected to tool holder, and the outfit of steel fixator is porose, and described hole is configured to be used to holding the insertion shank; The volume of hard carbide supporter is 6cm at least
3, 10cm at least
3Perhaps 15cm at least
3
2. take the steel fixator that instrument comprises insert and is used for insert, described insert comprises the hard tip that is connected on the hard carbide supporter, and this hard carbide supporter has the insertion shank; Described steel fixator comprises be used to the axle that is connected to tool holder, and the outfit of steel fixator is porose, and described hole is configured to be used to holding the insertion shank; The insertion portion that inserts shank is fixed in the hole; Insertion portion has axial length and average diameter; Axial length is not less than described average diameter.
3. such as the instrument that takes of clause 2, wherein, the axial length of insertion portion is at least about 4cm, and about 8.5cm at the most.
4. such as the instrument that takes of clause 2 or clause 3, wherein, the average diameter of insertion portion is at least about 2cm and about 3.5cm at the most.
5. take the steel fixator that instrument comprises insert and is used for insert, described insert comprises the hard tip that is connected on the hard carbide supporter, and described hard carbide supporter has the insertion shank; Described steel fixator comprises be used to the axle that is connected to tool holder, and the steel fixator comprises the insert receiving member, and this insert receiving member is equipped with porose, and described hole is configured to be used to holding the insertion shank; The insertion portion of insertion shank is fixed in the hole and is adjacent to the surf zone in hole; By the size of the size of the surf zone of adjacency greater than the volume of insertion portion.
6. such as the instrument that takes of clause 5, wherein, be at least about 20cm by the size of the surf zone of adjacency
2, and the volume of insertion portion is at least about 15cm
3
7. such as the instrument that takes of arbitrary clause in the above-mentioned clause, wherein, insert the shank shrink-fit in the hole.
8. superhardly take instrument (for simplicity, also referred to as " taking instrument ") comprise the insert that takes that is installed on the steel fixator, describedly take insert (for simplicity, also referred to as " insert ") be included in the hard tip that is connected on the hard carbide supporter end, described supporter comprises shank (being also referred to as " insertion shank "); The steel fixer is porose, and comprises axle, and this hole is configured to hold the insertion shank, and this axle is configured to fixator is installed on the tool holder; Described shank shrink-fit is in the hole of steel fixator.
9. such as the instrument that takes of arbitrary clause in the above-mentioned clause, wherein, insert shank (shank) and have at least 15cm
3Volume.
10. such as the instrument that takes of the arbitrary clause in the aforementioned clause, wherein, the surf zone that inserts shank is adjacent to (side) surf zone of corresponding interior week in hole, and described surf zone is at least about 20cm
2.
11. such as the instrument that takes of arbitrary clause in the aforementioned clause, wherein, insert shank and have at least 1.5cm or at least 2cm and at the most 4.0cm or the at the most diameter of 3.5cm (or average diameter).
12. such as the instrument that takes of arbitrary clause in the aforementioned clause, wherein, the length of inserting shank and hole is respectively at least about 4cm.
13. such as the instrument that takes of arbitrary clause in the aforementioned clause, wherein, the volume of hard carbide supporter is 30 at least and is 300 at the most with the ratio of the volume of hard tip, and the volume of hard tip is 200mm at least
3And be 500mm at the most
3
14. as in the aforementioned clause arbitrary clause take instrument, wherein, the volume of superhard structure is 0.2cm at least
3
15. such as the instrument that takes of arbitrary clause in the aforementioned clause, wherein, at least a portion of inserting shank is cylindrical substantially.
16. such as the instrument that takes of arbitrary clause in the aforementioned clause, wherein, described hole has the length that equals at least its diameter.
17. as in the aforementioned clause arbitrary clause take instrument, wherein, insert gap between shank and the hole and be insert the shank diameter at least about 0.002%, and be to insert at the most about 0.3% of shank diameter.
18. as in the aforementioned clause arbitrary clause take instrument, wherein, the zone that is adjacent to the hole of steel fixator is at least about 300MPa and at the most under circumferential (perhaps hoop) static stretch stress state of about 500MPa.
19. as in the aforementioned clause arbitrary clause take instrument, wherein, the diameter that inserts shank less than about 5mm, and is substantially constant along its whole length along the variation of its whole length or diameter.
20. as in the aforementioned clause arbitrary clause take instrument, wherein, a part of inserting shank only part by the hole of steel fixator around (at the scope place along the axial location of the length of inserting axle).
21. such as the instrument that takes of arbitrary clause in the aforementioned clause, wherein, the steel fixator is equipped with the base for the end of supporting the hard carbide supporter.The passage or the through hole that arrange by running through or be adjacent to base, described Kong Keyu steel fixator outside UNICOM.
22. such as the instrument that takes of arbitrary clause in the aforementioned clause, wherein, described hole extends through fixator, thereby the through hole with pair of openings end is provided.
23. such as the instrument that takes of arbitrary clause in the clause 1 to 21, wherein, at one end section locates, described hole is by base closed.
24. such as the instrument that takes of arbitrary clause in the aforementioned clause, wherein, the part of hard carbide supporter is given prominence to and is extended to outside the aperture in hole from the steel fixator.
25. such as the instrument that takes of clause 24, wherein, the ledge of hard carbide supporter along the diameter of its whole length than the diameter in the aperture in hole to much 5%, described ledge is given prominence to from this hole.
26. such as the instrument that takes of clause 24, it comprises the jumping through rings that encases or center at least a portion of ledge.
27. the instrument that takes such as arbitrary clause in the aforementioned clause, wherein, inserting shank has at least about 15mm, at least about 20mm, at least about 25mm or even the diameter of 30mm (in certain embodiments, insert shank and can have at the most about 20mm, at the most about 25mm, at the most about 30mm, at the most about 35mm or even the diameter of about 40mm at the most) at least.
28. such as the instrument that takes of arbitrary clause in the aforementioned clause, wherein, hard tip comprises natural or diamond synthesis material or cBN material.
29. such as the instrument that takes of arbitrary clause in the aforementioned clause, wherein, hard tip comprises the polycrystalline diamond stone structure that is attached on the hard carbide matrix.
30. such as the instrument that takes of arbitrary clause in the aforementioned clause, wherein, hard tip comprises the diamond crystals that is dispersed in the matrix that comprises the SiC material, perhaps comprises the diamond crystals that is dispersed in the matrix that comprises the hard carbide material.
31. such as the instrument that takes of arbitrary clause in the aforementioned clause, wherein, the hard carbide supporter comprises the hard carbide material, this hard carbide material has at least 8MPa m
1/2And 17MPa.m at the most
1/2Fracture toughness.
32. as in the aforementioned clause arbitrary clause take instrument, wherein, the hard carbide supporter comprises the hard carbide material, this hard carbide material comprises the at the most metal binder material of 13% weight ratio and at least 1% weight ratio.
33. such as the instrument that takes of arbitrary clause in the aforementioned clause, wherein, supporter comprises superhard material (for example, supporter can comprise diamond or the cBN crystal grain that is dispersed in the hard carbide matrix).
34. such as the instrument that takes of arbitrary clause in the aforementioned clause, be used for decomposing pavement or road, perhaps be used for the exploitation in colliery or potash ore deposit.
35. as in the aforementioned clause arbitrary clause take instrument, wherein, tool holder is soldered maybe can be soldered on the assembly of driving arrangement, cylinder for example is to be used for driving the superhard instrument that takes.
36. as in the aforementioned clause arbitrary clause take instrument, wherein, but tool holder comprises maybe and can be connected on drive unit or the drive unit.
37. for the manufacture of the method that takes instrument such as arbitrary clause in the aforementioned clause, described method comprises: insert is provided and is used for the steel fixator of insert, insert comprises the hard tip that joins on the hard carbide supporter, and this hard carbide supporter has the insertion shank; The steel fixator comprises be used to the axle that is connected to tool holder, and the steel fixator is equipped with and holds the hole of inserting shank; Insert shank and have at least 6cm
3, 10cm at least
3Or 15cm at least
3Volume; And, will insert the shank shrink-fit in the steel retainer hole.
38. the method such as clause 37, it comprises: select to insert the gap between shank and the hole, so that will insert the shank shrink-fit to Kong Zhonghou, the zone that is adjacent to the hole in the steel fixator is at least about 300MPa and at the most under the circumferential static stretch stress state of about 500MPa, perhaps is under the state that substantially is lower than the elastic limit that is included in the Steel material in the steel fixator.
Be described in more detail below the non-limiting example that takes instrument.
As shown in Figure 8, hard tip comprises integrated connection to the PCD structure of the tungsten carbide that is combined with cobalt (Co-WC) matrix, and this hard tip is brazed to supporter.The PCD structure has about 382mm
3Volume.Supporter is formed by Co-WC, comprises the Co of about 13% weight ratio, and has about 16.3MPa.m
1/2Fracture toughness, and about 2, the cross-breaking strength of 200MPa (TRS).In another example, supporter is formed by Co-WC, comprises the Co of about 8% weight ratio, and has about 14.6MPa.m
1/2Fracture toughness, and about 2, the cross-breaking strength of 800MPa (TRS).Supporter comprises basically columniform insertion shank and frustum end sections, and the PCD tip is brazed to this frustum end sections.Insertion portion has the surface smoothness in from about 0.04 micron Ra to about 0.5 micron Ra scope.The diameter that inserts shank is 2.5cm, and its length is 6.7cm.
The invention provides a kind of steel fixator, it is formed by 42Cr-Mo4 level steel, and comprises the insert receiving member with hole, and the diameter in hole is about 2.5cm, and its length is about 6.7cm.Bottom end place in the hole arranges ring-shaped base.By in air, the insert receiving member of steel fixator being heated to about 350 ℃ temperature, axle being inserted in the hole of the fixator that heat and allowing the insert receiving member to be retracted on the insertion shank, insert shank and arrived in the hole of steel fixator by shrink-fit, clamp the insertion shank with compress mode thus.Insert shank and be inserted in the hole from start to finish, so that the end abutment that is inserted into is in ring-shaped base.Therefore, the volume of the part that is inserted into of insertion shank is about 33cm
3, and the contact area between the circumferential inner wall in insertion shank and hole is about 53cm
2The gap of inserting between shank and the hole is about 0.02mm, and the static circumferential tension stress in the zone that is adjacent to the hole of estimated steel fixator is in from about 300MPa to the scope of about 500MPa.
In road rehabilitation operation, test according to of the present invention and taken instrument, and wherein, taken instrument and be installed on the cylinder and be used for the decomposition road asphalt.After the road that has decomposed at least about 20km, it is still in running order to take instrument.
Various example embodiment and assembling and the method for attachment that takes instrument described above.Skilled person in the art will appreciate that under the spirit and scope that do not depart from the invention of advocating, can change and revise these examples.
Claims (15)
1. take instrument, it comprises the insert that is installed in the steel fixator, and described insert comprises the hard tip that is connected on the hard carbide supporter end, and described supporter comprises the insertion shank; Porose and the axle of described steel fixer, described hole is configured to hold described insertion shank, and described axle is configured to the steel fixator is mounted on the tool holder; The volume of described hard carbide supporter is 10cm at least
3
2. as claimed in claim 1ly take instrument, wherein, described hard tip comprises having at least 200mm
3The superhard structure of volume.
3. as claimed in claim 1 or 2ly take instrument, wherein, described insertion shank is that shrink-fit arrives in the described hole.
4. each describedly takes instrument as in the aforementioned claim, and wherein, the ratio of the volume of described hard carbide supporter and the volume of described hard tip is at least 30 and at the most 300, and the volume of described hard tip is 200mm at least
3500mm at the most
3
5. each describedly takes instrument as in the aforementioned claim, and wherein, described insertion shank has at least 15cm
3Volume.
6. each describedly takes instrument as in the aforementioned claim, and wherein, the surf zone of described insertion shank is adjacent to the respective inside surf zone in described hole, and the surf zone of described insertion shank is 20cm at least
2
7. each describedly takes instrument as in the aforementioned claim, and wherein, described insertion shank has at least 1.5cm and the at the most diameter of 4.0cm.
8. each describedly takes instrument as in the aforementioned claim, and wherein, described insertion shank extends to 4cm place in the hole at least.
9. each describedly takes instrument as in the aforementioned claim, and wherein, the part of described insertion shank is only partly centered on by the hole of described steel fixator.
10. each describedly takes instrument as in the aforementioned claim, and wherein, described steel fixator is equipped with base, and described base is used for supporting the end of described hard carbide supporter.
11. as claimed in claim 10ly take instrument, wherein, via the passage that runs through or be adjacent to described base, the outside UNICOM of described hole and steel fixator.
12. as each describedly takes instrument in the aforementioned claim, wherein, described hard tip comprises natural or diamond synthesis material or cBN material.
13. as each describedly takes instrument in the aforementioned claim, it is used for the decomposition of road surface or road, perhaps is used for the exploitation in colliery or potash ore deposit.
14. make as the described method that takes instrument of aforementioned arbitrary claim, described method comprises:
Insert is provided and is used for the steel fixator of described insert, described insert comprises the hard tip that is connected to the hard carbide supporter, and described hard carbide supporter has the insertion shank; Described steel fixator comprises be used to the axle that is connected to tool holder, and the outfit of steel fixator is porose, and described hole is used for holding described insertion shank; Described insertion shank has at least 10cm
3Volume; And, described insertion shank shrink-fit is arrived in the hole of described steel fixator.
15. dismounting is such as each described method that takes instrument in the claim 1 to 13, described method comprises:
Heat described steel fixator, regain described insertion shank in the described hole of described Kong Bingcong thereby expand.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB1000869.6A GB201000869D0 (en) | 2010-01-20 | 2010-01-20 | Superhard pick tool and method for making same |
| GB1000869.6 | 2010-01-20 | ||
| PCT/EP2011/050616 WO2011089117A2 (en) | 2010-01-20 | 2011-01-18 | Pick tool and method for making same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102905819A true CN102905819A (en) | 2013-01-30 |
| CN102905819B CN102905819B (en) | 2016-02-17 |
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|---|---|---|---|
| CN201180012678.6A Active CN102905819B (en) | 2010-01-20 | 2011-01-18 | Take instrument and manufacture method thereof |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP2525930B1 (en) |
| JP (2) | JP5946413B2 (en) |
| CN (1) | CN102905819B (en) |
| AU (1) | AU2011208736B2 (en) |
| CA (1) | CA2787541C (en) |
| DK (1) | DK2525930T3 (en) |
| ES (1) | ES2638865T3 (en) |
| GB (1) | GB201000869D0 (en) |
| RU (1) | RU2522246C2 (en) |
| WO (1) | WO2011089117A2 (en) |
| ZA (2) | ZA201205228B (en) |
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| GB201320501D0 (en) * | 2013-11-20 | 2014-01-01 | Element Six Gmbh | Strike constructions,picks comprising same and methods for making same |
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- 2011-01-18 RU RU2012135552/02A patent/RU2522246C2/en active
- 2011-01-18 WO PCT/EP2011/050616 patent/WO2011089117A2/en active Application Filing
- 2011-01-18 DK DK11701377.1T patent/DK2525930T3/en active
- 2011-01-18 CA CA2787541A patent/CA2787541C/en active Active
- 2011-01-18 JP JP2012549332A patent/JP5946413B2/en active Active
- 2011-01-18 CN CN201180012678.6A patent/CN102905819B/en active Active
- 2011-01-18 AU AU2011208736A patent/AU2011208736B2/en active Active
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2012
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2013
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107635698A (en) * | 2015-04-10 | 2018-01-26 | Gkn烧结金属有限公司 | The method that composite component is formed using change in size after compacting |
| CN107635698B (en) * | 2015-04-10 | 2019-10-18 | Gkn烧结金属有限公司 | The method for forming composite component using change in size after compacting |
| CN113748249A (en) * | 2019-04-30 | 2021-12-03 | 伊迪姆私人有限公司 | Tool rack assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2011208736A1 (en) | 2012-08-02 |
| EP2525930A2 (en) | 2012-11-28 |
| RU2522246C2 (en) | 2014-07-10 |
| JP2015042837A (en) | 2015-03-05 |
| ZA201305228B (en) | 2015-05-27 |
| CA2787541A1 (en) | 2011-07-28 |
| AU2011208736B2 (en) | 2014-03-13 |
| JP5946413B2 (en) | 2016-07-06 |
| CA2787541C (en) | 2017-03-28 |
| WO2011089117A3 (en) | 2011-10-13 |
| JP2013517399A (en) | 2013-05-16 |
| WO2011089117A2 (en) | 2011-07-28 |
| GB201000869D0 (en) | 2010-03-10 |
| EP2525930B1 (en) | 2017-05-31 |
| ES2638865T3 (en) | 2017-10-24 |
| ZA201205228B (en) | 2013-09-25 |
| DK2525930T3 (en) | 2017-08-21 |
| RU2012135552A (en) | 2014-02-27 |
| CN102905819B (en) | 2016-02-17 |
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