CN100561111C - A kind of digimatic calipers - Google Patents
A kind of digimatic calipers Download PDFInfo
- Publication number
- CN100561111C CN100561111C CNB2005100485592A CN200510048559A CN100561111C CN 100561111 C CN100561111 C CN 100561111C CN B2005100485592 A CNB2005100485592 A CN B2005100485592A CN 200510048559 A CN200510048559 A CN 200510048559A CN 100561111 C CN100561111 C CN 100561111C
- Authority
- CN
- China
- Prior art keywords
- main scale
- chi frame
- chi
- plane
- measuring jaw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
A kind of digimatic calipers belongs to slide calliper rule class measurer.Its principal character is: the suitable position at the main scale with constant slope is equipped with elements such as fixed grid.During measurement, when main scale is being equipped with on the inclined guide rails of chi frame of display system when mobile, can directly or indirectly read the precise measure of measured workpiece from the display.This chi measuring speed is fast, and measuring accuracy is far superior to existing digimatic calipers.Other design standards indicating accuracy of lowermost level of the present invention also reaches ± 0.001mm or ± 0.003mm, other readable value of high precision level can enter micron with exterior domain slightly.This chi is particularly suitable for machinery manufacturing industry one line workshop and carries out precision measurement.
Description
Technical field
The present invention relates to a kind of digimatic calipers class measurer, be mainly used in precision measurement external diameter and thickness etc.
Background technology:
Through internet retrieval patent documentation and relevant publication catalogues such as " machine-building ", " tool technique ", " mechanical engineer ", and the product introduction of domestic measurer manufacturer, all do not find and a kind of digimatic calipers of similar of the present invention.
In the prior art, well-known, domestic and international widely used digimatic calipers, general resolution is 0.01mm, promptly the minimum readable value is 0.01mm, but the error of indication reaches ± 0.03mm, and measurement range is big more, and their error of indication is big more.
Though existing digital display calliper all has advantages such as simple in structure, easy to use, of many uses, that measurement range is bigger, its measuring accuracy all is spaced apart the common milscale of 25mm specification not as good as general scale range.Such the most widely used milscale, readable value are 0.01mm, primes 0-25mm specification, the error of indication is ± 0.004mm.Lever-type micrometer that measuring accuracy is higher and passameter and micron milscale, the elaboration of genus milscale class, the error of indication is ± 0.002mm.But because readable micrometer scope or range is limited and the restriction of factor such as price height, in a line workshop of general enterprise utilization not general, mostly be checker's use greatly with allegedlying.
Because precision measuringtoll, amount instrument class most price is higher or expensive and the micrometer scope is less, have to all multifactor existence such as a line production environment are difficult to adapt to, make to digitizing, at a high speed, in the line workshop of the machinery manufacturing industry of efficient, high-precision machine direction development, many workpiece that should use precision measuringtoll to measure by the Common Difference ﹠ Cooperation class requirement are arranged, usually be forced to use the high-acruracy survey that vernier caliper, digital display calliper or general milscale go to waste time and energy and difficulty is very big.This not only influences product quality, also hinders the further raising of throughput rate.These all general measurer precise treatment technical developments lag behind and cause.
Summary of the invention:
Purpose of the present invention just is to overcome above-mentioned the deficiencies in the prior art part, provides a kind of simple in structure, the durable and special pinpoint accuracy digimatic calipers that can be applicable to that line Workshop Production personnel and checker etc. use.The starting point of the minimum design standards of this chi is readable value 0.001mm, and the error of indication should be ± 0.003mm, degree of precision, its readable value just enters the zone beyond the micron.
The present invention realizes like this.
Digimatic calipers of the present invention mainly is the appearance grid measuring system of being used by existing digimatic calipers, is applied to my another patent applied for---remove this number of patent application: 2005100174644 in a kind of high-precision slide caliper rule.Thereby realize that the high-acruracy survey of faster speed and the digitizing of measurement result show.A kind of digimatic calipers of the present invention, main scale front have a shallow slot parallel with the main scale lower bevel, and fixed grid is housed in the groove, the outer pasting protective film of fixed grid.The cover plate of band digital display calliper display is fixed between two guide plates of chi frame, makes display and fixed grid form effective capacitive grid numeral display measuring system.There is a gathering sill in parallel the shallow slot top.The angle of inclination of fixed grid, display, shallow slot, gathering sill, chi frame inclining guide rail and main scale lower bevel is all identical.The main scale front end has a safety set screw, and the staff contact position must be provided with thermal insulation barriers when measuring on main scale afterbody and the chi frame, in case the temperature influence measurement effect.The last plane of main scale is the measuring jaw face on the main scale.On the main scale on plane and the chi frame down each measuring jaw face parallel.When plane on the main scale contacts with 0-10 measuring jaw face zero-clearance, but this chi is in the school zero condition.At this moment, the last interplanar in plane and the chi frame still leaves 1mm left and right sides vertical space on the main scale.Each measuring jaw face on plane and the chi frame on the main scale, and the chi frame on plane, baseplane parallel, vertical with each guide plate, main scale self two sides.
The quantity of chi frame measuring jaw face preferably, can be one or morely, and the functional value of the used angle of this chi is more little, and the measuring jaw face can establish that number is many more, and the measuring jaw face is many more, and total scale range is big more.The measuring jaw long more measuring jaw face of establishing of length that overhangs is just many more.
Drop between the measuring jaw face equates, and equals best lift that main scale drafts respectively for best.Because with regard to many measuring jaw faces, scale range just can enlarge like this.
The maximal value decision main scale maximum lift value of the vertical shift amount that main scale allows in the chi frame.Preferably, the best length travel amount length value that main scale is used to measure is by required optimal design lift decision.In measurement range, effectively the length travel amount takes advantage of the sine value of the used acute angle correspondence of this chi to equal to draft the net lift of main scale.When getting equal angular, the main scale net lift is big more, and scale range is big more.
On the side, top of measuring jaw face, indicate the measurement range of this measuring jaw face on the chi frame, when being 40-50mm, represent that then this measuring jaw face can be surveyed Φ 40-Φ 50 or thickness is workpiece or the part of 40mm-50mm as the mark number; Be labeled as 0-10mm, then expression can be measured the workpiece or the part of 0-10mm size.By that analogy.In fact reserved a part of length of stretching out guide rail because of the main scale front end, every measuring jaw face all can be measured the part that is a bit larger tham its maximum detection value.
When plane separation 0-10mm measuring jaw face vertical range was 10mm on the main scale, the last plane of main scale was the measuring jaw face of main scale, and the vertical range between each measuring jaw face on the chi frame, was the maximum detection value of each measuring jaw face top mark.When choosing this chi oblique angle with sine value 0.1, measuring jaw face on the chi frame is if there is the less measurement range value of mark, as 0-10mm 0-5mm or the like, then main scale longitudinally move in the chi frame that plane and 0-10mm measuring jaw face contact for no gap on the main scale the school zero condition time, on this moment main scale on plane and the chi frame vertical range between other measuring jaw face be the minimum detectable range value that marks above other measuring jaw face.
When adopting the appearance grid measuring system configuration of existing digital display calliper fully, the sine value at the pitch angle of the inclined-plane of main scale and chi frame inner guide rail can comprise 0.1 level off to by 0.1 and choose in 0 the value.Preferentially should select 0.1 0.01 0.001 0.0001 etc.Reason is, the trigonometric function value of taking advantage of these slide calliper rule to choose the data on the display only, promptly get and survey workpiece size under the 0-10mm measuring jaw face (because of pulling back main scale after the zero clearing, can make the displayed value of main scale and chi frame relative shift all be with negative sign, this negative sign is meaningless to get final product so should look), so the method that only shifts forward decimally promptly gets measured value.For example the trigonometric function value chosen of these slide calliper rule is 0.1 o'clock, be shown as 66.26mm as display, but then direct-reading is 6.626mm.
The appearance grid measuring system of using on these slide calliper rule can be selected resolution that existing ordinary electronic digital display calliper the uses measuring system as 0.01mm for use, also can select for use resolution to reach the high precision appearance grid measuring system of 0.001mm.The two measuring accuracy such as following table:
Table 1, resolution are the corresponding measuring accuracy of the appearance grid high precision digital display calliper of 0.01mm
| Main scale angle sine value | Readable value (mm) | The error of indication (mm) |
| 0.1 | 0.01×0.1 | ±0.003 |
| 0.01 | 0.01×0.01 | ±0.0003 |
| 0.001 | 0.01×0.001 | ±0.00003 |
Table 2, resolution are the corresponding measuring accuracy of the appearance grid high precision digital display calliper of 0.001mm
| Main scale angle sine value | Readable value (mm) | The error of indication (mm) |
| 0.1 | 0.001×0.1 | ±0.0003 |
| 0.01 | 0.001×0.01 | ±0.00003 |
| 0.001 | 0.001×0.001 | ±0.000003 |
The scheme of more convenient reading is a reorganization display program.As the sine value that adopts following two cover display program design schemes, main scale then of the present invention to get to use at the angle can comprise 0.5 level off in 0 the arbitrary value by 0.5 selected as required.
Display program design scheme is as follows:
1, the actual measurement of displayed value=display and fixed grid relative displacement * sin α+used measuring jaw face lower limit.For example, part is clipped on 10-20 measuring jaw face and the main scale between the plane, and the actual measurement relative displacement of display and fixed grid is 62.58mm, then displayed value=10mm+62.58mm * 0.1=16.258mm.According to employed different measuring jaw faces, press function button and switch measuring jaw face lower limit parameter value during measurement.
2, the actual measurement of displayed value=display and fixed grid relative displacement * sin α, the user of service gets measured value with display registration and the addition of used measuring jaw face lower limit, and the Parameters Transformation function button need not be set.For example, part is clipped on 10-20 measuring jaw face and the main scale between the plane, and the actual measurement relative displacement of display and fixed grid is 62.58mm, then displayed value=62.58mm * 0.1=6.258mm.Parts measurement value=10mm+6.258mm=16.258mm.
The dust control technology of digimatic calipers of the present invention is handled, and carries out with reference to existing digimatic calipers.But the dustproof film of the present invention is located at the lateral surface of guide plate 7 and 25, effectively deters the chi face that the zone should cover gathering sill and below thereof.
The design of this digimatic calipers, on the inclined-plane, move and to rise or the decline principle according to object, the principle that has accurate tangent or sine function relation in the utilization right-angle triangle between limit and limit and limit and the angle, look baseplane with the last parallel plane chi frame of main scale, adjacent side for the oblique angle of the surface rail of slide calliper rule chi frame of the present invention, surface rail is a hypotenuse, and the end face of chi frame lower left quarter is an opposite side.Because of used oblique angle is very little, so main scale bigger length travel amount on the surface rail in the chi frame is also less to the influence of its rising displacement.Its rising shift value is that the acute angle size is closely related with this oblique angle simultaneously also.The used angle of these slide calliper rule is bigger, and range is bigger.
Digimatic calipers of the present invention, used angle of bevel is more little, and the resolution of holding the grid measuring system is more little to the influence power of readable value degree of accuracy of the present invention, and measuring accuracy is high more.Being that 0.1 oblique angle of getting main scale and surface rail is an example with sine value, when these slide calliper rule of the present invention selected for use resolution to be the appearance grid measuring system of 0.01mm, the readable value degree of accuracy of digimatic calipers of the present invention had been resolution * sin α=0.01mm * 0.1=0.001mm; In like manner, if the sine value of selected guide rail angle is 0.01, then the readable value degree of accuracy of slide calliper rule of the present invention should be 0.01mm * 0.01=0.0001mm.Thus also as seen, digimatic calipers of the present invention, when to adopt sine value be 0.01 oblique angle, in fact readable value degree of accuracy had been 100 times of the existing readable value degree of accuracy of digital display calliper.In like manner, be the appearance grid measuring system of 0.001mm if adopt resolution, then readable value degree of accuracy is 0.001mm * 0.1=0.0001mm, readable value degree of accuracy also is 100 times of the existing readable value degree of accuracy of digital display calliper.With this principle popularizing, change slide calliper rule guide rail angle of bevel of the present invention, can make readable value precision be geometric series easily and improve.
Digimatic calipers of the present invention is not limited to accompanying drawing 1 example, mainly illustrates that by Fig. 1 its structure, design concept, utilization foundation, using method etc. are so that check.With regard to Fig. 1 example, this chi also can form the specification of various different measuring scopes as common milscale.As common milscale, generally be designed to specifications such as 0-25mm, 25-50mm, 50-75mm, Fig. 1 slide calliper rule also can form specifications such as 0-30mm (referring to the area size that this footage measuring jaw planar survey scope contains), 30-60mm, 60-90mm, 90-120mm.The diameter of surveying big more, the measuring jaw face is few more, is 1 the most after a little while.When the chi type was bigger or too big, the measuring jaw part that overhangs on the chi frame can be designed to arcs of recesses with reference to common milscale, to increase useful space, holds the outer round surface of tested big workpiece.Plane relative with plane on the main scale in the chi frame is to this chi frame baseplane part, and form can be constant, only up-sizing.
This digimatic calipers, no matter specification is much, the measuring jaw face that can survey the 0-x value all should established as figure one example chi 0-10mm measuring jaw face place, so, can increase the measurement range of digimatic calipers of the present invention, can guarantee that again this chi has the reference point of an accurate and reliable position for operation zero setting button before measurement.The 0-X value can be 0-10mm, also can be 0-20mm. or 0-5mm or the like, should need and decide according to specific design.In a word, if 0-X measuring jaw face is very important, it is the foundation (as: when plane on the main scale and this 0-X measuring jaw face were the zero-clearance state, each the measuring jaw face vertical range on the main scale on the plane carpenters square frame is the minimum detectable range value for marking on each measuring jaw face respectively) of other measuring jaw faces mark measurement range values.Because 0-X measuring jaw face promptly is the terminal point that main scale moves upward.
Other as: with 0.5,0.4,0.3,0.2 ... 0.0001 get the digimatic calipers at angle, also can form seriation, the specification kind that form the measurement range difference, comes in every shape with reference to said method Deng trigonometric function value.Also can only establish a blade vertically upward in addition on chi frame top, have on the blade the same chi frame of height gauge and on measuring jaw, be provided with perhaps that spiral micrometer is first-class to increase measurement range by check and correction gauge rod or gauge block.This measuring jaw or spiral micrometer head can be the overhang or the left side suitable position forward of being fixed on the chi frame of detachable.Certainly the present invention can also adopt other all effective forms.
For making drawing succinct, the thermal insulation barriers on dust guard and the chi frame 6 etc. all are not drawn into Fig. 1.
Description of drawings:
Fig. 1 is the structural representation of a kind of example chi of digimatic calipers of the present invention
Embodiment:
Below illustrate in greater detail one embodiment of the present of invention structure and using method by accompanying drawing.
By Fig. 1 example chi as seen:
Be the precision-fit state between main scale 1 two sides and chi frame wall and the guide plate 7,15,25,18 one-tenth two inclined-plane contact conditions of surface rail of main scale 1 inclined-plane and chi frame 6, in main scale 1 gathering sill 4, be combined with and adjust screw 19,26, front end has the guide cylinder face that cooperates with gathering sill 4, adjust screw (should be milled screw), can lock in optional position in the chi frame to main scale 1; Guide plate 25 is pressed on the chi frame up and down on the side by the bottom screw 24 of screw 5 and guide plate.The structure of guide plate 7 and effect and guide plate 25 are just the same.Be overhung at chi frame 6 upper left parts and chi frame one (or detachable) measuring jaw 11.Have on the measuring jaw 11 from the left front to 12,10,9 measuring jaw planes of the stepped distribution in lower right, above each measuring jaw face, indicate its measurement range, and each measuring jaw face drop is the best lift range value of main scale 1.Each measuring jaw face all with its below main scale 1 on plane parallel, measuring jaw side and main scale parallel sided, measuring jaw 11 left front end faces do not allow to exceed chi frame surface rail 18 left sides, when guaranteeing under this measuring jaw measuring workpieces, ergometry falls within surface rail 18 and bears the zone, avoids main scale 1 to bear and makes the little power of sticking up in its right back.That the long dotted line 16 that stretches to surface rail 18 left sides that is blocked by main scale 1 left front portion, be the spigot surface of the main scale back that is connected as a single entity of parallel with frame wall in the chi frame and guide plate 7 front end chi frames, it is stretched to guide plate 15 left sides by chi frame wall front end always and maintains an equal level to strengthen guidance capability.Three screws identical with screw 14 are arranged on the guide plate 15, guide plate 15 is fixed on the surface rail side.The sign 17 of the oblique angle trigonometric function value that guide plate 15 the right are selected for use for Fig. 1 slide calliper rule.The 18th, extended surface rail in the chi frame, 20 and 8 is trip bolts of guide plate 7.21,22 are equal to three identical Screws of display top display 23 are fixed on the chi frame.The spigot surface that is installed in the guide plate on the chi frame 6 and illustrates with the with dashed lines 16 of chi frame one is with the necessary smooth precision of the surface of contact of main scale.Main scale should quench, and hardness must be high.Plane 3, each measuring jaw face of chi frame also can weld wimet to increase wearing quality on the main scale that is used to measure.In a word, each measuring jaw surface hardness is high more good more.When being no gap contact condition with 0-10 measuring jaw face, be this chi school zero condition when plane on the main scale 13.At this moment the minimum measurement range value that the vertical range Ying Yuqi on plane 3 indicates on each measuring jaw face and the main scale on the chi frame is consistent.When plane on the main scale 3 is pulled to the right when 0-10mm measuring jaw face is 10mm, the distance on the main scale between plane and 10, the 12 liang of measuring jaw faces is respectively the maximum measurement range value that they mark above.
Below narrate Fig. 1 example chi using method:
By Fig. 1 front view and A-A sectional view as can be known, main scale 1 is installed in chi frame 6 the insides.The spatial altitude on the last plane in the last plane carpenters square frame of main scale 1 is slightly larger than the distance between main scale 1 and the 0-10mm measuring jaw face.Tighten and adjust screw 19 or 26, main scale tightly can be locked in the chi frame, also can be used for the adjusting play, make the main scale another side be affixed on chi frame inwall.The face of cylinder of screw 19 and 26 front ends is stretched in the oblique gathering sill 4 of main scale 1 side, can limit main scale to its improper rising in top, promptly main scale is shielded, and can guarantee fixed grid 2 and display 23 correct positions on the main scale 1 again.Because of gathering sill 4 degree of tilt are consistent with main scale 1 pitch angle, thus can not hinder main scale 1 to vertically move the time to rising or descending.
When prepare measuring, new chi with the precision-fit precision of each guide, face and main scale two sides, can guarantee the moving-mass of main scale on surface rail 18.Below manufactured part is measured in demonstration on worktable.If the measured workpiece diameter less than Φ 10, is fit to Fig. 1 example chi 0-10mm measuring jaw planar survey.
Hold chi frame 6 back with left index finger or middle finger, thumb pinches near 17, and hand thumb and forefinger pinch main scale 1 thermal insulation barriers 24, pulls back behind the main scale school zero, and part is stood up.At first with 0-10mm measuring jaw face and guide plate 7 sides by piece surface, the right hand promotes main scale 1, and main scale is vertically moved to the left front, so on the main scale rise in length travel and move closer to workpiece in plane 3.During near workpiece, speed is slowed down, and the right hand is slightly felt resistance and increased, and promptly stops to promote main scale 1.This resistance shows that the plane has all contacted the part measured surface with chi frame measuring jaw face on the main scale.This slight resistance is ergometry.But direct reading this moment display gets the parts measurement value.The digital indicator programmed method repeats no more as previously mentioned.
During lining Noodles part, more do not allow firmly excessive, in order to avoid locking phenomenon appears in measuring jaw face and part interplanar.
On lathe, very convenient when directly measuring workpiece to be machined.As: when cylindrical grinder is measured 30 of the Φ 20-Φ of clamping between two thimbles, can be on the upper surface of axle with the direct lodge of this chi 20-30mm measuring jaw face, left hand holds up the chi frame with perk on the chi Caudad.When main scale 1 is in when being 20 ° of left and right sides with the ground level angle, the right hand promotes main scale, make on the main scale plane to nearby from the workpiece lower surface, unclamp the main scale afterbody then and let alone the downslide component that produces by deadweight, overcome and chi frame surface rail between stiction after, move on, can contact the lower surface of measured workpiece automatically.So operational measure power can be very small, measures more accurate.
By example last a kind of method is used such chi, and its ergometry can indiscriminately ad. as one wishes be controlled with perk angular dimension on the chi Caudad.In addition, this chi has been considered when design and counterweight in position has been positioned at portion on the lower side to guarantee this chi center of gravity.Like this, when measuring jaw face lodge on the chi frame in measured workpiece when surface, deadweight just can allow measuring jaw face and measured workpiece upper surface be in the excellent contact state substantially.And the chi tail upwarps, and available main scale downslide component makes plane on the main scale finish the process that well contacts with the workpiece lower surface in the disappear mode in crack of automatic tracking simultaneously.These are all very favourable to high-acruracy survey, also help keeping for a long time the precision of this chi.This using method of this chi helps the utilization of China's machinery manufacturing industry one line workshop, directly carries out precision measurement cylindrical class workpiece on multi-class machine tool and numerically-controlled machine.To improve measuring accuracy, improving the quality of products, reduce production costs and reducing the non-cutting time that is used to measure all has realistic meaning.
This chi maintenance method and points for attention are all carried out by existing digimatic calipers requirement.
Points for attention:
1, can not when non-measurement state, this chi head chi frame measuring jaw be taken down.
2, only when adjusting the screw lock main scale, just allow to hold the chi frame and fall by this chi.
When 3, the plane was near measured surface on the main scale, it is slow that action is wanted, and the ergometry that applies is as far as possible little.
Below narrate the counting principle of digimatic calipers of the present invention.
With Fig. 1 electronic digital display example chi is example, angle of inclination, main scale dip plane sin α=0.1, thus when main scale is mobile on inclined guide rails, the vertical range of measuring jaw face on plane and the chi frame on the main scale, the actual relative shift that equals display and fixed grid is taken advantage of sin α.During measurement on the main scale on plane and the chi frame vertical range of measuring jaw face be exactly the measured value of part.
Each part of measuring needs school zero (being zero clearing) before.Method is for example: as using Fig. 1 example chi, make on the main scale 1 plane 3 and 0-10mm measuring jaw face when normal hand sensing power is called the zero-clearance contact condition in the following text, press NO, ZERO button, make display 23 zero clearings after, pull back main scale 1 again and enter state to be measured.
In sum, digimatic calipers of the present invention, not only readable value is accurate, the error of indication is little, and design principle is unique, have sturdy and durable, simple in structure, cost is low, measure precisely rapidly, have in its measurement category the advantage such as gamut micrometer function. After only will the specification variety series such as Fig. 1 example type of foundation, namely can replace existing common micrometer and the error of indication fully and be the lever-type micrometer of ± 0.002mm, micron micrometer etc., directly apply to machine-building one line workshop and carry out that precision workpiece is measured or check. And the sine function at the oblique angle that the present invention comprises is the digimatic calipers of pinpoint accuracy more such as 0.01,0.001, and then alternative part precision measurement instrument directly applies to specialty and detects. Or the line degradation that puts into production uses direct quality with its pinpoint accuracy monitoring precision machine tool processing work. Can certainly serve as ordinary measring tool and be applied to all manufacturing scenes, to improve the quality of products, improve the accurate level of making of enterprise.
Claims (2)
1. digimatic calipers, it is characterized in that: there is a shallow slot parallel with the main scale lower bevel in main scale (1) front, and fixed grid (2) is housed in the groove, the outer pasting protective film of fixed grid; The cover plate of band digital display calliper display (23) is fixed between two guide plates (25), (7) of chi frame, makes display (23) and fixed grid form effective capacitive grid numeral display measuring system; There is a gathering sill in parallel (4) the shallow slot top that fixed grid is housed, and the angle of inclination of described shallow slot, gathering sill (4), chi frame inclining guide rail (18) and main scale (1) lower bevel is all identical; Main scale (1) front end has a safety screw (13), and the staff contact position must be provided with thermal insulation barriers when measuring on main scale afterbody and the chi frame, in case the temperature influence measurement effect; Plane on the main scale (3) is the measuring jaw face of main scale; Down each measuring jaw face is parallel on plane on the main scale (3) and the chi frame; When plane on the main scale (3) and the measuring jaw face (9) that indicates 0-10 when zero-clearance contact, but this digimatic calipers is in the school zero condition, under this state on the main scale the last plane of plane (3) and chi frame (6) lining still leave vertical space about 1mm; Plane on each measuring jaw face, the chi frame is gone up with chi frame (6) in plane on the main scale (3), chi frame baseplane is parallel, and is vertical with each guide plate and main scale self two sides; The angle is all got with sine function in the angle of inclination of this digimatic calipers main scale and chi frame inclining guide rail.
2. according to claims 1 described a kind of digimatic calipers, it is characterized in that: the angle function value of getting of main scale (1) is comprising 0.5 need choose by design to all sine functions that level off between 0 by 0.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100485592A CN100561111C (en) | 2005-11-17 | 2005-11-17 | A kind of digimatic calipers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100485592A CN100561111C (en) | 2005-11-17 | 2005-11-17 | A kind of digimatic calipers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1967139A CN1967139A (en) | 2007-05-23 |
| CN100561111C true CN100561111C (en) | 2009-11-18 |
Family
ID=38076030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100485592A Expired - Fee Related CN100561111C (en) | 2005-11-17 | 2005-11-17 | A kind of digimatic calipers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100561111C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211048A (en) * | 2018-04-25 | 2019-01-15 | 章荣康 | Light-duty multifunctional beam calliper |
| CN110530227A (en) * | 2018-05-26 | 2019-12-03 | 章荣康 | Slotless round bar depth internal channel digital display calliper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4229883A (en) * | 1978-05-04 | 1980-10-28 | Mitutoyo Mfg. Co., Ltd. | Measuring instrument with digital display |
| CN2135139Y (en) * | 1992-09-30 | 1993-06-02 | 张洪 | Calliper continuous direct measuring mechanism |
| US5973494A (en) * | 1996-05-13 | 1999-10-26 | Mitutoyo Corporation | Electronic caliper using a self-contained, low power inductive position transducer |
| US6205672B1 (en) * | 1999-02-03 | 2001-03-27 | Skinner, Sutton, Watson & Rounds | Digital tire caliper |
-
2005
- 2005-11-17 CN CNB2005100485592A patent/CN100561111C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4229883A (en) * | 1978-05-04 | 1980-10-28 | Mitutoyo Mfg. Co., Ltd. | Measuring instrument with digital display |
| CN2135139Y (en) * | 1992-09-30 | 1993-06-02 | 张洪 | Calliper continuous direct measuring mechanism |
| US5973494A (en) * | 1996-05-13 | 1999-10-26 | Mitutoyo Corporation | Electronic caliper using a self-contained, low power inductive position transducer |
| US6205672B1 (en) * | 1999-02-03 | 2001-03-27 | Skinner, Sutton, Watson & Rounds | Digital tire caliper |
Non-Patent Citations (2)
| Title |
|---|
| 可用于半径测量的数显卡尺的开发. 郑海波等.工具技术，第38卷第2期. 2004 |
| 可用于半径测量的数显卡尺的开发. 郑海波等.工具技术，第38卷第2期. 2004 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1967139A (en) | 2007-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202158818U (en) | Simple and convenient multipurpose detection platform | |
| CN201964854U (en) | Special measuring tool for clamp spring slot of internal and external spherical cage external starwheels | |
| CN201706994U (en) | Margin ruler | |
| CN105222681A (en) | A kind of can the bar stock bent degree measuring instrument of continuous coverage | |
| CN204495256U (en) | A kind of bar stock bent degree measuring instrument | |
| CN100383487C (en) | High precision vernier caliper | |
| CN103615957A (en) | Measuring tool for measuring size of D-shaped head | |
| CN205066655U (en) | Measuring rod crookedness measuring apparatu in succession | |
| CN208458635U (en) | A kind of quick cubing of online step hole depth | |
| CN100561111C (en) | A kind of digimatic calipers | |
| CN2264896Y (en) | Perpendicularity visual measuring instrument | |
| CN207515701U (en) | A kind of measurement centrifugal casting shell straightness check tool | |
| CN202066458U (en) | Large-size part with measuring basis | |
| CN117329942A (en) | Multifunctional measuring tool and use method thereof | |
| CN201037760Y (en) | Measuring tool for hole | |
| CN202329460U (en) | Taper hole measurement device | |
| CN206493769U (en) | A kind of Machine Design specific purpose tool chi | |
| CN203298676U (en) | Burr height check tool of sheet metal member | |
| CN203375923U (en) | Novel HSK tool taper shank taper detection device | |
| CN206223061U (en) | A kind of counterbore depth dimensions detection means | |
| CN210346573U (en) | Trapezoidal copper bar detection gauge for steering gear | |
| CN210198255U (en) | Device for measuring height difference of tool withdrawal groove of cylinder sleeve | |
| CN202393336U (en) | Novel workpiece verticality detecting tool | |
| CN203869647U (en) | Measuring tool measuring dimension of D-shaped head | |
| CN205102747U (en) | A multi -functional external screw thread measuring apparatu for laboratory |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091118 Termination date: 20151117 |
|
| EXPY | Termination of patent right or utility model |