WO1999042233A1 - Procede, appareil et systeme pour mesurer un angle de courbure - Google Patents
Procede, appareil et systeme pour mesurer un angle de courbure Download PDFInfo
- Publication number
- WO1999042233A1 WO1999042233A1 PCT/JP1999/000695 JP9900695W WO9942233A1 WO 1999042233 A1 WO1999042233 A1 WO 1999042233A1 JP 9900695 W JP9900695 W JP 9900695W WO 9942233 A1 WO9942233 A1 WO 9942233A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotor
- work
- bending angle
- bending
- support member
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
Definitions
- the present invention relates to a bending angle measuring method for measuring a bending angle of a product bent by a bending machine, a device therefor, and an angle measuring system using the device. It is about. Background art
- a protractor 101 when measuring the bending angle of a work W that has been bent by a conventional bending machine, a protractor 101 is used. It is common to do this.
- the port tractor 101 is mounted on a base 103 as a reference, and is rotatable by a pin 105 with respect to the base 103.
- the side WA of the work W serving as a reference at the time of the measurement is brought into contact with the base 103 together with the measurement. Then, the other side WB of the bent work W is brought into full contact with the rotating member 107, and the angle of the rotating member 107 at this time is displayed on the angle display plate 109. The angle is measured by reading from the data.
- the work W is attached to the base 103 and the rotating member 107 in the angle measurement using such a protractor 101.
- the operator holds the base 103 with the work W in one hand and turns the rotating member 107 with the other hand so that the gap is not vacated. Since it is necessary to read the angle by making a surface contact with the raised work W, it is very troublesome, and there is a problem that it takes time.
- the present applicant uses one of the bent work W as an angle measuring device. Along with the suction to the reference side, the other bent side of the work W is also drawn to the measuring side of the angle measuring device and brought into close contact with it to bend more accurately. We proposed that the angle be measured.
- An object of the present invention is to focus on the above-mentioned conventional technologies, and to use a small and weighing device to easily, quickly and accurately perform a tune.
- An object of the present invention is to provide a bending angle measuring method capable of measuring a bending angle, a device thereof, and an angle measuring system using the device.
- the bending angle measuring method of the invention includes the following steps: bending by a bending machine; One side of the work is brought into contact with a first support member that is a reference plane; one side of the work is slid while being brought into contact with the first support member; The other curved side of the workpiece is pressed against the rotating rotor to make it close to the rotor; the relative height position of the first support member with respect to the rotation center of the rotor is adjusted; The rotation center is set within the contact range between the rotor and the work; and, in the state of the step, the rotation angle of the rotor is read, whereby the work position of the work is determined. Find the bending angle.
- the work for measuring the bending angle is slid in a state in which the workpiece is in contact with the first support member, which is the reference surface, and is pressed against the rotor.
- the rotor rotates, so the bending angle is measured from the rotation angle of this rotor.
- the height position of the first support member with respect to the rotation center of the rotor is adjusted so that the rotation center is located within the contact range between the work and the rotor.
- the bending angle measuring method of the invention according to the second aspect is a method of measuring the bending angle of the first aspect, wherein the rotation angle of the rotor is determined by the rotation angle of the rotor. Before reading the scale provided on the outer circumference of the rotor and indicating the predetermined rotational position of the rotor, It is obtained from the difference between the scale of the scale and the value of the scale when the other side of the work is brought into close contact with the scale.
- the rotation angle of the rotor was read by reading the scale of the scale provided on the outer periphery of the rotor, and the rotation of the rotor was brought into contact with the scale for the predetermined angle and the work.
- the angle can be read from the difference in the time scale.
- a bending angle measuring device includes the following: a first support member that supports one side of a workpiece that has been bent by a bending machine; A second support member erected on the negative side of the first support member; a rotor provided independently of rotation about a rotation center axis provided on the second support member; A rotator for abutting the other side of the work; and a detector for reading a rotation angle of the rotator, wherein the relative height position of the rotation center axis is determined by the rotation.
- the first support member is provided at a height position itself to be set within a contact range between the child and the work.
- the work for measuring the bending angle is slid in a state in which it is brought into contact with the first support member as the reference surface, and the rotor is rotated.
- the rotor rotates around the rotation center axis provided on the second support member, so the rotation angle of this rotor is read by a detector and the bending angle is measured. can do.
- the rotation center is located within the contact area between the work and the rotor. So that
- the bending angle measuring device of the invention according to the fourth aspect is the bending angle measuring device according to the third aspect, further comprising: protruding from the rotor.
- a projection for calibration provided on the second support member; and a strut provided on the second support member, the projection being in contact with the rotor when the rotor rotates by a predetermined angle.
- the rotor is rotated to bring the projection into contact with the stopper provided on the second support member, and the carrier is carried out. Perform the braking.
- a bending angle measuring device is the bending angle measuring device of a fourth aspect, wherein the bending force measuring device is provided on the rotor and the rotor. It has a tapered portion or an eccentric portion so that the position for engaging the projection can be adjusted.
- a bending angle measuring device is the bending angle measuring device according to the third aspect, wherein the bending angle measuring device is read by the detector. Equipped with a transmitter that transmits the rotation angle of the rotor to the bending machine by wireless.
- the bending angle of the work measured by the bending angle measuring device is transmitted to the bending machine wirelessly by the transmitter.
- a bending angle measuring system includes: a bending machine for bending a work; a bending machine for bending the workpiece; A bend angle measuring device for detecting a bend angle of a bent work; and transmitting the angle measured by the bend angle measuring device via a radio or cable. A transmitter that sends a signal to the bending machine.
- the bending angle of a work bent by a bending machine is measured by a bending angle measuring device, and the work is wireless by a transmitter. Transmits a measurement signal to the bending machine via a cable.
- the bending machine does not need to input the measured bending angle as data, thereby improving workability.
- the bending angle measuring system is the bending angle measuring system according to the seventh aspect, wherein: A measurement signal after the spring backing of the work transmitted from the transmitter and an indicator provided on the bending machine—a measurement of the work measured in the evening. A spring knocking amount is obtained from a bending angle before the spring; and the spring knocking amount is determined by a note of a control device provided in the bending machine. Stored in the directory.
- the bending angle force from the transmitter of the bending angle measuring device after the bending back of the bent spring is used.
- the bending angle before the spring back measured by the indicator provided on the bending machine is transmitted to the control device of the bending machine.
- the springback amount is calculated and stored in memory.
- FIG. 1 is a front view showing a bending angle measuring device according to the present invention.
- FIG. 2 is a plan view seen from the direction II in FIG.
- Fig. 3 is a side view as seen from the direction I II in Fig. 1.
- FIG. 4 is a side view as viewed from the IV direction in FIG.
- FIG. 5 is an enlarged view of a rotor mounting portion.
- FIG. 6 is a cross-sectional view taken along the line VI—VI in FIG.
- FIG. 7 is a front view showing a positioning state of the measurement reference member.
- FIG. 8 is an explanatory diagram showing a state where the worker is measuring the bending angle.
- 9A to 9C are explanatory diagrams showing each step of the bending angle measuring method.
- FIG. 10 is a block diagram showing a calibration device.
- FIG. 11 is a block diagram showing another calibration device.
- FIG. 12 is an overall view showing an angle measuring system according to the present invention.
- FIG. 13 is a front view showing a conventional bending angle measuring device. BEST MODE FOR CARRYING OUT THE INVENTION
- FIGS. 1 to 4 show a bending angle measuring apparatus 1 according to the present invention.
- the bending angle measuring device 1 includes a main body portion 3, a resin grip portion 5, and a measurement reference member serving as a first support member for making one side of the workpiece W to be in surface contact. 7, the rotor 9 that rotates following the other side of the curved W, the display 9 that displays the bend angle of the work W from the rotational angle of the rotor 9 It has 1 mag. Also, grip part 5 Battery 13 is housed inside.
- the measurement reference member 7 has an overall L-shape, and one side 15 is engaged with a vertical groove 17 provided on the left end face of the main body 3 in FIG. In addition, it is fixed by a fixing bolt 21 via a through hole 19 provided on one side 15 of the fixing member. That is, a notch 23 is provided in the vertical direction in the groove 17, and a space 25 wider than the notch 23 is provided inside the notch 23. ing.
- the stopper plate 27 provided at the end of the fixed bolt 21 and screwed is vertically movable along the space 25, and the fixed bolt 21 is tightened. Thus, the measurement reference member 7 is fixed at a desired position in cooperation with the stopper plate 27.
- the measurement reference member 7 is vertically moved along the groove 17 of the main body 3, and the fixed bolt 21 is tightened. As a result, the relative height position of the reference surface 7A of the measurement reference member 7 can be adjusted.
- the rotor 9 is provided with a protruding portion 29 as a second support member which protrudes from the main body 3 to the upper left in FIG. 1, and is provided on the protruding portion 29. It is a part of a circle centered on the rotation center axis 31 and has a flat measurement surface 9A.
- the rotator 9 is rotated about the rotation center axis 31, and the measurement surface 9 A is brought into contact with the other side of the peak W which is bent up. This makes the rotation The rotation angle of the trochanter 9 is displayed on the display unit 11.
- a stopper pin which is a projection for a calibration is provided. 33 are provided respectively.
- a stopper 35 is provided on the main body 3 so that when the rotor 9 rotates by a certain angle, it comes into contact with the rotor and prevents further rotation.
- a magnet scale 37 is provided as a scale provided on the outer periphery of the rotor 9.
- a detector 39 is provided to read the scale.
- the calibration device 41 of the rotor 9 is mounted on the calibration device 41 stored in the main body 3. Perform a shot (set the origin).
- This calibration device 41 has a detector 39 that reads the scale of a magnet scale 37 provided along the outer periphery of the rotor 9. Then, the signal from the detector 39 is read via the evening face 43 and input to the control unit 45.
- the read control unit 45 has a CPU 47 as a central processing unit and a ROM 49 and a RAM 51 as storage units. Also, the origin switch 53, the hold switch 55, the on-off switch 57, etc. are connected. In the evening face 59, there is an evening face 63 for displaying the angle on the display 11 or for sending a signal from the transmitter 61. are doing.
- the calibration method is to turn on / off the switch 57 and turn the scorer (not shown), which is a jig that shows exactly 90 degrees, to the rotor 9. Press on. With the origin switch 53 turned on, the scale of the magnet scale 37 of the rotor 9 is read by the detector 39 and stored in the RAM 51. This registers the position where the rotor 9 shows exactly 90 degrees.
- the calibration device 65 has a detector 39 for reading the scale of a magnet scale 37 provided along the outer periphery of the rotor 9. The signal from the detector 39 is read via the interface 43 and input to the counter 67 of the control unit 45.
- a transmitter 61 is provided in addition to the display 11, and an interface 69 for the transmitter 61 is provided.
- Other configurations are the same as those in FIG. 10 described above.
- the stop pin 33 provided on the rotor 9 is provided on the main body 3. Rotate the rotor 9 so that it comes into contact with the stopper 35. In this state, if the on-off switch 57 is turned on, the countdown timer 67 is automatically closed to zero. Since this is rearranged, the angle at this time is stored in RAM 51 as 180 degrees. A 90-degree scorer (not shown) is pressed against the rotor 9 and the scale of the rotor scale 37 of the rotor 9 is read by the detector 39 and the display 11 is read. Check if 90 degrees is displayed.
- the stopper 35 has an adjusting screw portion 71, a tapered portion 73, and a fixing screw 75, and the adjusting screw portion 71 is rotated. This causes the stopper 35 to move in the left-right direction in FIG. 6, so that the contact position of the rotor 9 with the stopper pin 33 changes. Even if the stopper 35 is used as an eccentric shaft, the home position is adjusted by this, so press the 90-degree scorer against the rotor 9 again to display. Check that the force is 90 degrees. This operation is repeated until the display becomes 90 degrees. When the adjustment is completed, tighten the fixing screw 75 to fix the stopper 35.
- the bending angle of the work W is measured as follows.
- the measurement is started, first, the fixed bolt 21 is loosened and the rotation center axis 31 of the rotor 9 is moved so that the bending angle of the work W can be measured properly. Adjust the measurement reference member 7 vertically so that it enters the contact area R of W (see Fig. 7).
- the worker M When performing the angle measurement, the worker M holds the grip part 5 of the bending angle measuring device 1 with one hand and the work W with the other hand (see FIG. 8 and FIG. 8).
- the work W is pressed against the rotor 9 (see FIG. 9B).
- the rotor 9 rotates, and the work W comes into close contact with the measurement surface 9A of the rotor 9 (see FIG. 9C).
- the scale of the Magnesium Scale 3 7 is read, and the angle is calculated from the difference from the scale at 90 degrees registered in the calibration section, and the display 1 Display in 1.
- the measurement signal is transmitted from the transmitter 61.
- an indicator 83 is provided on one of the upper and lower tables 81U and 81L of the bending machine 79 (here, the lower table 81L).
- the work W is taken out, and the bending angle after the spring knock is measured by the bending angle measuring device 1 described above.
- the angle measured by the bending angle measuring device 1 is directly input to the NC device 85 from a transmitter 61 provided in the bending angle measuring device 1.
- the NC unit 85 since the spring back amount can be obtained from the difference between the above-described scissor angle and the bending angle after the spring back, the spring back amount can be obtained. Stored in the database of memory not shown in NC unit 85.
- the trial bending is performed by considering the springback amount stored in the database. Since it is possible to determine the D value, which is a ramstroke, without performing it, it is possible to shorten the power-up time.
- the worker can easily hold the grip portion 5 of the bending angle measuring device 1 with one hand and hold the work W with the other hand and press it against the rotor 9 to easily work the work W. Since the rotor 9 and the rotor 9 can be in close contact with each other, workability can be improved.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU25472/99A AU2547299A (en) | 1998-02-20 | 1999-02-17 | Method and apparatus for measuring bending angle and system for measuring bending angle using the same apparatus |
EP99905219A EP1080801B1 (en) | 1998-02-20 | 1999-02-17 | Method and apparatus for measuring a bending angle |
US09/600,876 US6460263B1 (en) | 1998-02-20 | 1999-02-17 | Method and apparatus for measuring bending angle and system for measuring bending angle using the same apparatus |
DE69941624T DE69941624D1 (de) | 1998-02-20 | 1999-02-17 | Verfahren und vorrichtung zum messen eines biegewinkels |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP03924398A JP4316695B2 (ja) | 1998-02-20 | 1998-02-20 | 曲げ角度測定装置 |
JP10/39243 | 1998-02-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999042233A1 true WO1999042233A1 (fr) | 1999-08-26 |
Family
ID=12547701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/000695 WO1999042233A1 (fr) | 1998-02-20 | 1999-02-17 | Procede, appareil et systeme pour mesurer un angle de courbure |
Country Status (6)
Country | Link |
---|---|
US (1) | US6460263B1 (ja) |
EP (1) | EP1080801B1 (ja) |
JP (1) | JP4316695B2 (ja) |
AU (1) | AU2547299A (ja) |
DE (1) | DE69941624D1 (ja) |
WO (1) | WO1999042233A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6339750B1 (ja) * | 2018-02-23 | 2018-06-06 | 株式会社菊鹿製作所 | 角度調節工具 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1319450B1 (en) | 2000-08-11 | 2008-05-28 | Amada Company, Ltd. | Bending apparatus |
JP4637396B2 (ja) * | 2001-04-12 | 2011-02-23 | 株式会社アミテック | 角度測定器 |
US6722050B2 (en) * | 2002-03-05 | 2004-04-20 | Winton Machine Co. | Bend-angle measuring device |
US8661701B2 (en) * | 2010-02-17 | 2014-03-04 | Barry Douglas Wixey | Digital angle gauge |
KR101250935B1 (ko) | 2012-10-10 | 2013-04-05 | 주식회사 대신티앤에스 | 레일체결용 코일스프링클립 변위측정기 |
WO2016187639A1 (de) | 2015-05-28 | 2016-12-01 | Keba Ag | Elektronische winkelmessvorrichtung für eine biegemaschine zum messen des biegewinkels zwischen den schenkeln eines blechs |
CN109556971B (zh) * | 2018-07-09 | 2024-01-05 | 湖北超卓航空科技股份有限公司 | 直读弯曲角度的冷喷涂试样弯曲性能试验装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57162502U (ja) * | 1981-04-07 | 1982-10-13 | ||
JPS59160708A (ja) * | 1983-03-04 | 1984-09-11 | Komatsu Ltd | 折曲げ機の曲げ角度検出制御装置 |
JPS60247415A (ja) * | 1984-05-24 | 1985-12-07 | Mitsubishi Electric Corp | プレスブレ−キの折曲げ角度制御装置 |
JPH06262265A (ja) | 1993-03-16 | 1994-09-20 | Amada Co Ltd | 折曲げ角度測定装置 |
JPH0839150A (ja) | 1994-07-29 | 1996-02-13 | Amada Co Ltd | ワーク突当て位置補正方法およびその装置 |
DE4447345C1 (de) | 1994-12-31 | 1996-05-02 | Magerl Feinmechanik Gmbh | Stufenlos einstellbare Unterlage für auf Werkzeugmaschinen zu bearbeitende Werkstücke |
US5531087A (en) | 1990-10-05 | 1996-07-02 | Kabushiki Kaisha Komatsu Seisakusho | Metal sheet bending machine |
Family Cites Families (11)
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US655005A (en) * | 1900-04-02 | 1900-07-31 | Samuel Lewis Penfield | Cotack-goniometer. |
US784652A (en) * | 1904-06-30 | 1905-03-14 | Arthur L Beardsley | Gage or gaging-tool. |
SE505985C2 (sv) | 1989-11-14 | 1997-10-27 | Amada Co Ltd | Sätt och anordning för avkänning av bockningsvinklar för en metallplåt under bockningen |
US5329597A (en) | 1990-02-23 | 1994-07-12 | Amada Company, Ltd. | Device and method for measuring angles of a work |
CH689613A5 (fr) * | 1992-10-20 | 1999-07-15 | Beyeler Machines Sa | Dispositif de mesure de l'angle de pliage d'une tôle dans une presse. |
JP2630720B2 (ja) * | 1992-11-06 | 1997-07-16 | 丸機械工業株式会社 | 板材の折曲げ角検出装置及びこれを使用したプレス機械の運転方法 |
US5857366A (en) | 1994-07-08 | 1999-01-12 | Amada Company, Ltd. | Method of bending workpiece to target bending angle accurately and press brake for use in the same method |
US5799530A (en) | 1996-12-20 | 1998-09-01 | Amada Company, Limited | Method of bending operations and bending system using the same |
JP3222094B2 (ja) | 1997-08-04 | 2001-10-22 | 株式会社アマダ | 曲げ加工の折り込み線生成方法及びその方法を用いた曲げ加工システム |
US6035242A (en) | 1997-07-07 | 2000-03-07 | Amada Metrecs Company, Limited | Bending simulation method |
SE518599C2 (sv) * | 1998-06-26 | 2002-10-29 | Pullmax Ursviken Ab | Anordning för vinkelmätning |
-
1998
- 1998-02-20 JP JP03924398A patent/JP4316695B2/ja not_active Expired - Lifetime
-
1999
- 1999-02-17 WO PCT/JP1999/000695 patent/WO1999042233A1/ja active Application Filing
- 1999-02-17 DE DE69941624T patent/DE69941624D1/de not_active Expired - Lifetime
- 1999-02-17 US US09/600,876 patent/US6460263B1/en not_active Expired - Lifetime
- 1999-02-17 EP EP99905219A patent/EP1080801B1/en not_active Expired - Lifetime
- 1999-02-17 AU AU25472/99A patent/AU2547299A/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57162502U (ja) * | 1981-04-07 | 1982-10-13 | ||
JPS59160708A (ja) * | 1983-03-04 | 1984-09-11 | Komatsu Ltd | 折曲げ機の曲げ角度検出制御装置 |
JPS60247415A (ja) * | 1984-05-24 | 1985-12-07 | Mitsubishi Electric Corp | プレスブレ−キの折曲げ角度制御装置 |
US5531087A (en) | 1990-10-05 | 1996-07-02 | Kabushiki Kaisha Komatsu Seisakusho | Metal sheet bending machine |
JPH06262265A (ja) | 1993-03-16 | 1994-09-20 | Amada Co Ltd | 折曲げ角度測定装置 |
JPH0839150A (ja) | 1994-07-29 | 1996-02-13 | Amada Co Ltd | ワーク突当て位置補正方法およびその装置 |
DE4447345C1 (de) | 1994-12-31 | 1996-05-02 | Magerl Feinmechanik Gmbh | Stufenlos einstellbare Unterlage für auf Werkzeugmaschinen zu bearbeitende Werkstücke |
Non-Patent Citations (1)
Title |
---|
See also references of EP1080801A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6339750B1 (ja) * | 2018-02-23 | 2018-06-06 | 株式会社菊鹿製作所 | 角度調節工具 |
Also Published As
Publication number | Publication date |
---|---|
EP1080801A4 (en) | 2003-08-06 |
AU2547299A (en) | 1999-09-06 |
DE69941624D1 (de) | 2009-12-17 |
EP1080801B1 (en) | 2009-11-04 |
US6460263B1 (en) | 2002-10-08 |
JP2001259745A (ja) | 2001-09-25 |
JP4316695B2 (ja) | 2009-08-19 |
EP1080801A1 (en) | 2001-03-07 |
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