CN111006633A - Device for automatically detecting flatness of workpiece and working method thereof - Google Patents
Device for automatically detecting flatness of workpiece and working method thereof Download PDFInfo
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- CN111006633A CN111006633A CN201911410806.7A CN201911410806A CN111006633A CN 111006633 A CN111006633 A CN 111006633A CN 201911410806 A CN201911410806 A CN 201911410806A CN 111006633 A CN111006633 A CN 111006633A
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- 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
- G01B21/30—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 roughness or irregularity of surfaces
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Abstract
The invention relates to a device for automatically detecting the flatness of a workpiece and a working method thereof; the method is characterized in that: the device comprises a platform for placing the workpiece, a supporting device for supporting the workpiece, a lifting device for supporting the platform, a probe for detecting the flatness of the workpiece and a driving device for driving the probe to be close to the workpiece; the supporting device is arranged in the platform, and the supporting device moves along the platform; the lifting device drives the platform, the supporting device and the workpiece to be close to the probe. The problems that the flatness detection cost is increased due to the fact that clamps of workpieces with different shapes cannot be used interchangeably, the workpiece is clamped through the clamps, the surface of the workpiece is abraded to affect the overall quality of the workpiece, and the workpiece detection surface is inclined to affect the detection result due to the fact that the workpieces are clamped through the clamps are solved.
Description
Technical Field
The invention relates to detection equipment, in particular to a device for automatically detecting flatness of a workpiece and a working method thereof.
Background
Generally, planarity refers to a substrate having a deviation in the height of a macro relief from an ideal plane. The tolerance band is the region between two parallel planes separated by the tolerance value. The flatness belongs to the shape error in the form and position errors. Flatness measurement refers to the amount of variation of the measured actual surface to other ideal planes. The flatness error is obtained by comparing the measured actual surface with the ideal plane, and the line value distance between the measured actual surface and the ideal plane is the flatness error value. Or by measuring the relative height difference of a plurality of points on the actual surface and then converting the flatness error value represented by a line value. In actual measurement, the shape of some special workpieces is irregular, and the special workpieces are difficult to horizontally fix. Resulting in inaccurate flatness detection. How to solve this problem becomes crucial.
In the existing scheme, a special clamp is adopted to fix a workpiece, and then measurement is carried out. Such a solution has the following problems: (1) the clamps of workpieces with different shapes cannot be interchanged, so that the flatness detection cost is increased; (2) clamping a workpiece through the clamp can cause surface abrasion of the workpiece and influence the overall quality of the workpiece; (3) the workpiece is clamped by the clamp, so that the detection surface of the workpiece can be inclined to influence the detection result.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses a device for automatically detecting the flatness of a workpiece and a working method thereof, and aims to solve the problems that in the prior art, clamps of workpieces with different shapes cannot be used interchangeably, so that the flatness detection cost is increased, the workpiece is clamped by the clamps, the surface of the workpiece is abraded to influence the overall quality of the workpiece, the workpiece is clamped by the clamps, the workpiece detection surface is inclined to influence the detection result and the like.
The technical scheme adopted by the invention is as follows:
a device for automatically detecting the flatness of a workpiece;
the device comprises a platform for placing the workpiece, a supporting device for supporting the workpiece, a lifting device for supporting the platform, a probe for detecting the flatness of the workpiece and a driving device for driving the probe to be close to the workpiece; the supporting device is arranged in the platform, and the supporting device moves along the platform; the lifting device drives the platform, the supporting device and the workpiece to be close to the probe.
The further technical scheme is as follows: the lifting device comprises a connecting rod, a lifting mechanism for supporting the corner of the platform and a first power device for driving the connecting rod to rotate; and the adjacent lifting mechanisms are driven by the connecting rods.
The further technical scheme is as follows: a first gear is arranged on the connecting rod; a second gear is arranged at the driving end of the first power device; the first gear is meshed with the second gear.
The further technical scheme is as follows: the supporting device comprises a second power device, a third power device, a plane block for supporting the workpiece and a rack for pushing the plane block to move; the second power device drives the third power device, the rack and the plane block to move; and a third gear meshed with the rack is arranged on the third power device.
The further technical scheme is as follows: the platform is provided with support grooves for placing the support devices in parallel; the second power device drives the third power device, the rack and the plane block to move along the supporting groove.
The further technical scheme is as follows: the driving device comprises a driving platform, a fourth power device for driving the driving platform to move and a fifth power device for driving the probe to move; the driving platform drives the fifth power device and the probe to move.
The further technical scheme is as follows: the driving device also comprises a first moving table and a second moving table arranged on the driving table; the fourth power device drives a first screw rod, and the first screw rod drives the driving table to move along the first moving table; and the fifth power device drives a second screw rod, and the second screw rod drives the probe to move along the second moving platform.
The further technical scheme is as follows: the probe comprises a probe head and a moving block for driving the probe head to move; the moving block is movably arranged on the second screw rod; the probe is arranged at one end, close to the workpiece, of the moving block.
A working method of a device for automatically detecting the flatness of a workpiece is characterized in that:
when the device for automatically detecting the flatness of the workpiece works, the working method of the device for automatically detecting the flatness of the workpiece comprises the following steps:
a. horizontally placing the workpiece on a platform;
b. the second power device drives the third power device, the plane block and the rack to be close to the workpiece; a third power device drives the rack and the plane block to move upwards; the workpiece is supported by the plane block;
c. the first power device drives the connecting rod to rotate; the connecting rod drives the driving end of the lifting mechanism to move upwards; the lifting mechanism pushes the platform upwards;
d. a fourth power device drives a first screw rod, and the first screw rod drives the driving table to move along the first moving table; a fifth power device drives a second screw rod, and the second screw rod drives the probe to move along the second moving platform;
e. and the moving block drives the probe to be close to the workpiece to finish detection.
The invention has the following beneficial effects: the invention designs a device for automatically detecting the flatness of a workpiece, which adopts a supporting device to support the workpiece. And driving the probe to move by using a driving device. The device for automatically detecting the flatness of the workpiece has the following effects: (1) workpieces in different shapes can be supported through the supporting device, a special clamp is not needed, and the detection cost is reduced; (2) the supporting device supports the workpiece from the lower end, so that the surface of the workpiece cannot be damaged, and the overall quality of the workpiece cannot be influenced; (3) the workpiece is supported by the supporting device, the workpiece is ensured to stably move by the lifting device, the detection surface of the workpiece cannot be inclined, and the detection result cannot be influenced; (4) the probe can stably move through the driving device, and the flatness detection accuracy is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic side view of the supporting device of the present invention.
Fig. 3 is a schematic top view of the lifting device of the present invention.
Fig. 4 is a schematic top view of the driving device of the present invention.
In the figure: 1. a platform; 11. a support groove; 2. a support device; 21. a planar block; 22. a rack; 23. a second power unit; 24. a third power unit; 25. a third gear; 3. a lifting device; 31. a connecting rod; 32. a lifting mechanism; 33. a first power unit; 34. a first gear; 35. a second gear; 4. a probe; 41. a probe; 42. a moving block; 5. a drive device; 51. a drive stage; 52. a fourth power unit; 53. a fifth power plant; 54. a first mobile station; 55. a second mobile station; 56. a first lead screw; 57. and a second screw rod.
Detailed Description
The following describes a specific embodiment of the present embodiment with reference to the drawings.
FIG. 1 is a schematic structural diagram of the present invention. FIG. 2 is a schematic side view of the supporting device of the present invention. Fig. 3 is a schematic top view of the lifting device of the present invention. Fig. 4 is a schematic top view of the driving device of the present invention. Referring to fig. 1, 2, 3 and 4, the invention discloses a device for automatically detecting the flatness of a workpiece. The direction of X in the figure is the upper end of the structural schematic diagram of the invention, and the direction of Y in the figure is the right end of the structural schematic diagram of the invention. The device for automatically detecting the flatness of the workpiece comprises a platform 1 for placing the workpiece, a supporting device 2 for supporting the workpiece, a lifting device 3 for supporting the platform 1, a probe 4 for detecting the flatness of the workpiece and a driving device 5 for driving the probe 4 to be close to the workpiece. The support device 2 is arranged in the platform 1, and the support device 2 moves along the platform 1. The lifting device 3 drives the platform 1, the support device 2 and the workpiece close to the probe 4.
The lifting device 3 comprises a connecting rod 31, a lifting mechanism 32 for supporting the corner of the platform 1 and a first power device 33 for driving the connecting rod 31 to rotate. The adjacent lifting mechanism 32 is driven by the connecting rod 31.
The connecting rod 31 is provided with a first gear 34. A second gear 35 is provided on the drive end of the first power means 33. The first gear 34 meshes with the second gear 35.
The lifting device 3 is arranged at the lower end of the platform 1. Preferably, there are four lifting mechanisms 32. Preferably, the lifting mechanism 32 is a screw lift. Preferably, the platform 1 is square. The lifting mechanisms 32 support the corners of the lower end of the platform 1 respectively.
Preferably, the first gear 34 is a helical gear. Preferably, the second gear 35 is a helical gear. The first gear 34 is disposed on an outer surface of the connecting rod 31. The first gear 34 is disposed coaxially with the connecting rod 31. The second gear 35 is coaxially provided at the drive end of the first power unit 33. Preferably, the first power device 33 is an electric motor.
The first power device 33 drives the second gear 35 to rotate clockwise, and the second gear 35 drives the first gear 34 and the connecting rod 31 to rotate clockwise. The connecting rod 31 drives the support end of the elevating mechanism 32 to ascend. The platform 1 is lifted by the lifting mechanism 32.
The first power device 33 drives the second gear 35 to rotate counterclockwise, and the second gear 35 drives the first gear 34 and the connecting rod 31 to rotate counterclockwise. The connecting rod 31 drives the support end of the elevating mechanism 32 to descend. The platform 1 is lowered by the lifting mechanism 32.
The first power means 33 is an electric motor, and the selection of the type of the electric motor is common knowledge. The person skilled in the art can choose the type of motor M2BAX90SA2, for example, according to the working conditions of the device.
The lifting device 3 ensures that the platform 1 can stably move up and down. The simultaneous operation of the lifting mechanisms 32 is ensured by the connecting rods 31. So that the platform 1 does not tilt when moving upwards. The flatness detection accuracy is improved.
The platform 1 is provided with support grooves 11 for placing the support devices 2 in parallel. Preferably, the support groove 11 is a through groove. The support grooves 11 are opened in the left-right direction on the upper surface of the platform 1. Preferably, the support groove 11 is plural.
The supporting device 2 comprises a second power device 23, a third power device 24, a plane block 21 for supporting the workpiece and a rack 22 for pushing the plane block 21 to move. The second power device 23 drives the third power device 24, the rack 22 and the plane block 21 to move. The third power device 24 is provided with a third gear 25 engaged with the rack 22.
Preferably, the second power means 23 is a rodless cylinder. Preferably, the third power device 24 is an electric motor. The second power unit 23 is horizontally disposed in the support groove 11 in the left-right direction. The upper end of the second power device 23 is the driving end of the second power device 23. A third power means 24 is provided on the drive end of the second power means 23. The lower end of the third power device 24 is connected with the upper end of the second power device 23.
The second power means 23 drives the third power means 24, the rack 22 and the plane block 21 to move along the support groove 11.
A third gear 25 is provided on the drive end of the third power means 24. When the driving end of the third power unit 24 rotates clockwise, the rack 22 and the plane block 21 move upward. The flat block 21 is adjacent to the workpiece and the workpiece is supported by the flat block 21. When the driving end of the third power unit 24 rotates counterclockwise, the rack 22 and the plane block 21 move downward. The plane block 21 is away from the workpiece and the plane block 21 no longer supports the workpiece.
The support device 2 ensures the level of the workpiece detection surface. So that the flatness of the workpiece can be accurately measured. The support device 2 prevents the workpiece detection surface from tilting.
The third power means 24 is an electric motor, the choice of the type of which is common knowledge. The skilled person can select the motor according to the working condition of the device, for example, the motor with model ZGB37RG can be selected.
The driving means 5 comprises a driving table 51, a fourth power means 52 for driving the driving table 51 to move and a fifth power means 53 for driving the probe 4 to move. The driving table 51 drives the fifth power device 53 and the probe 4 to move.
The driving device 5 further includes a first moving stage 54 and a second moving stage 55 mounted on the driving stage 51. The fourth power device 52 drives the first lead screw 56, and the first lead screw 56 drives the driving table 51 to move along the first moving table 54. The fifth power device 53 drives the second lead screw 57, and the second lead screw 57 drives the probe 4 to move along the second moving stage 55.
The driving device 5 is arranged at the upper end of the platform 1. Preferably, the fourth power device 52 is an electric motor. The driving end of the fourth power device 52 is connected to the right end of the first lead screw 56. The first lead screw 56 is disposed in the left-right direction. The left end of the fourth power means 52 is the drive end of the fourth power means 52. Preferably, there are two first lead screws 56. The first lead screws 56 are provided at the front and rear ends of the driving table 51.
The first mobile station 54 is provided in the left-right direction. When the fourth power device 52 drives the first lead screw 56 to rotate clockwise, the first lead screw 56 drives the driving platform 51 to move leftward along the first moving platform 54. When the fourth power device 52 drives the first lead screw 56 to rotate counterclockwise, the first lead screw 56 drives the driving table 51 to move rightward along the first moving table 54.
The fourth power means 52 is an electric motor, and the selection of the type of the electric motor is common knowledge. Those skilled in the art can select the motor based on the operation of the device, such as the 5IK90RGU-CF motor.
Preferably, the fifth power device 53 is a motor. The second lead screw 57 is disposed in the front-rear direction. The front end of the second screw 57 is connected with the driving end of the fifth power device 53. The rear end of the fifth power means 53 is the driving end of the fifth power means 53.
When the fifth power device 53 drives the second lead screw 57 to rotate clockwise, the second lead screw 57 drives the probe 4 to move backwards. When the fifth power device 53 drives the second lead screw 57 to rotate counterclockwise, the second lead screw 57 drives the probe 4 to move forward.
The fifth power device 53 is a motor, and the selection of the motor type belongs to the common knowledge. Those skilled in the art can select the motor based on the operation of the device, such as the 5IK90RGU-CF motor.
The probe 4 includes a probe 41 and a moving block 42 for moving the probe 41. The moving block 42 is movably provided on the second lead screw 57. The probe 41 is disposed on the movable block 42 at an end thereof adjacent to the workpiece.
The left end of the moving block 42 is connected with a second lead screw 57. The right end of the moving block 42 is provided with a probe 41. Preferably, the probe 41 is a ruby stylus. The moving block 42 moves the probe 41 back and forth.
The probe 41 is a ruby stylus, the choice of type of ruby stylus being common knowledge. Those skilled in the art may select the device to work with, for example, a ruby stylus model 120043.
The probe 4 can be ensured to move horizontally back and forth and move horizontally left and right by the driving device 5. The motor drives the screw rod to ensure the smoothness of the movement of the probe 41. Smooth movement of the probe 41 is enabled by the moving stage.
When the device for automatically detecting the flatness of the workpiece works, the working method of the device for automatically detecting the flatness of the workpiece comprises the following steps:
a. horizontally placing a workpiece on the platform 1;
b. the second power device 23 drives the third power device 24, the plane block 21 and the rack 22 to approach the workpiece; the third power device 24 drives the rack 22 and the plane block 21 to move upwards; the plane block 21 supports the workpiece;
c. the first power device 33 drives the connecting rod 31 to rotate; the connecting rod 31 drives the driving end of the lifting mechanism 32 to move upwards; the lifting mechanism 32 pushes the platform 1 upwards;
d. the fourth power device 52 drives the first lead screw 56, and the first lead screw 56 drives the driving platform 51 to move along the first moving platform 54; the fifth power device 53 drives the second screw rod 57, and the second screw rod 57 drives the probe 4 to move along the second moving table 55;
e. the moving block 42 drives the probe 41 to approach the workpiece to finish detection.
The apparatus for automatically detecting the flatness of a workpiece horizontally places the workpiece on the table 1 before starting its operation.
The support means 2 is put into operation and the second power means 23 drives the third power means 24, the plane block 21 and the rack 22 close to the workpiece. The third power device 24 drives the rack 22 and the plane block 21 to move upwards. The flat block 21 supports the workpiece. The support device 2 prevents the workpiece detection surface from inclining.
The lifting device 3 starts to work, and the first power device 33 drives the connecting rod 31 to rotate. The connecting rod 31 drives the driving end of the elevating mechanism 32 to move upward. The lifting mechanism 32 pushes the platform 1 upwards. The workpiece can be stably moved upwards through the lifting device 3, and the detection surface of the workpiece is close to the probe 4.
The driving device 5 starts to work, the fourth power device 52 drives the first lead screw 56, and the first lead screw 56 drives the driving platform 51 to move along the first moving platform 54. The fifth power device 53 drives the second lead screw 57, and the second lead screw 57 drives the probe 4 to move along the second moving stage 55. The probe 4 is driven by the driving device 5 to be smoothly close to the detection surface of the workpiece.
The moving block 42 drives the probe 41 to approach the workpiece to finish detection. The probe 41 is driven by the driving device 5 and the moving block 42 to move on the detection surface of the workpiece for detection.
In the present embodiment, the lifting mechanism 32 is described as a screw lifter, but the lifting mechanism is not limited to this, and may be another lifting mechanism within a range capable of functioning.
In the present embodiment, the first gear 34 is described as a helical gear, but the present invention is not limited thereto, and may be another gear within a range capable of functioning as such.
In the present embodiment, the second gear 35 is described as a helical gear, but the present invention is not limited thereto, and may be another gear within a range capable of functioning as such.
In the present embodiment, the first power unit 33 is described as a motor, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.
In the present embodiment, the support groove 11 is described as a through groove, but the present invention is not limited thereto, and may be another support groove within a range capable of functioning.
In the present embodiment, the second power unit 23 is described as a rodless cylinder, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.
In the present embodiment, the third power unit 24 is described as a motor, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.
In the present embodiment, the fourth power unit 52 is described as a motor, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.
In the present embodiment, the fifth power unit 53 is described as a motor, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.
In the present embodiment, the probe 41 is described as a ruby stylus, but the present invention is not limited thereto, and other probes may be used as long as the function thereof can be exerted.
In the present specification, terms such as "square" are used, and these terms are not exactly "square" and may be in a state of "substantially square" within a range in which the functions thereof can be exhibited.
In the present specification, the number of "two", "four", or "plural" is used, but the present invention is not limited thereto, and other numbers may be used as long as the functions thereof can be exerted.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the basic structure thereof.
Claims (9)
1. The utility model provides an automatic detect device of work piece plane degree which characterized in that: the device comprises a platform (1) for placing the workpiece, a supporting device (2) for supporting the workpiece, a lifting device (3) for supporting the platform (1), a probe (4) for detecting the flatness of the workpiece and a driving device (5) for driving the probe (4) to be close to the workpiece; the supporting device (2) is arranged in the platform (1), and the supporting device (2) moves along the platform (1); the lifting device (3) drives the platform (1), the supporting device (2) and the workpiece to be close to the probe (4).
2. The apparatus for automatically detecting the flatness of a workpiece according to claim 1, wherein: the lifting device (3) comprises a connecting rod (31), a lifting mechanism (32) for supporting the corners of the platform (1) and a first power device (33) for driving the connecting rod (31) to rotate; the adjacent lifting mechanisms (32) are driven by the connecting rods (31).
3. The apparatus for automatically inspecting flatness of a workpiece according to claim 2, wherein: a first gear (34) is arranged on the connecting rod (31); a second gear (35) is arranged on the driving end of the first power device (33); the first gear (34) is meshed with the second gear (35).
4. The apparatus for automatically detecting the flatness of a workpiece according to claim 1, wherein: the supporting device (2) comprises a second power device (23), a third power device (24), a plane block (21) for supporting the workpiece and a rack (22) for pushing the plane block (21) to move; the second power device (23) drives the third power device (24), the rack (22) and the plane block (21) to move; and a third gear (25) meshed with the rack (22) is arranged on the third power device (24).
5. The apparatus for automatically detecting the flatness of a workpiece according to claim 4, wherein: a supporting groove (11) for placing the supporting device (2) is formed in the platform (1) in parallel; the second power device (23) drives the third power device (24), the rack (22) and the plane block (21) to move along the supporting groove (11).
6. The apparatus for automatically detecting the flatness of a workpiece according to claim 1, wherein: the driving device (5) comprises a driving platform (51), a fourth power device (52) for driving the driving platform (51) to move and a fifth power device (53) for driving the probe (4) to move; the driving table (51) drives the fifth power device (53) and the probe (4) to move.
7. The apparatus for automatically detecting the flatness of a workpiece according to claim 6, wherein: the drive device (5) further comprises a first moving table (54) and a second moving table (55) mounted on the drive table (51); the fourth power device (52) drives a first screw rod (56), and the first screw rod (56) drives the driving platform (51) to move along the first moving platform (54); the fifth power device (53) drives a second screw rod (57), and the second screw rod (57) drives the probe (4) to move along the second moving table (55).
8. The apparatus for automatically detecting the flatness of a workpiece according to claim 7, wherein: the probe (4) comprises a probe head (41) and a moving block (42) which drives the probe head (41) to move; the moving block (42) is movably arranged on the second lead screw (57); the probe (41) is arranged at one end of the moving block (42) close to the workpiece.
9. A working method of a device for automatically detecting the flatness of a workpiece is characterized in that: when the device for automatically detecting the flatness of the workpiece works, the working method of the device for automatically detecting the flatness of the workpiece comprises the following steps:
a. horizontally placing a workpiece on the platform (1);
b. the second power device (23) drives the third power device (24), the plane block (21) and the rack (22) to approach the workpiece; a third power device (24) drives the rack (22) and the plane block (21) to move upwards; the plane block (21) supports the workpiece;
c. the first power device (33) drives the connecting rod (31) to rotate; the connecting rod (31) drives the driving end of the lifting mechanism (32) to move upwards; the lifting mechanism (32) pushes the platform (1) upwards;
d. a fourth power device (52) drives a first screw rod (56), and the first screw rod (56) drives a driving platform (51) to move along a first moving platform (54); a fifth power device (53) drives a second screw rod (57), and the second screw rod (57) drives the probe (4) to move along a second moving platform (55);
e. and the moving block (42) drives the probe (41) to approach the workpiece to finish detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911410806.7A CN111006633A (en) | 2019-12-31 | 2019-12-31 | Device for automatically detecting flatness of workpiece and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911410806.7A CN111006633A (en) | 2019-12-31 | 2019-12-31 | Device for automatically detecting flatness of workpiece and working method thereof |
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| CN111006633A true CN111006633A (en) | 2020-04-14 |
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| CN201911410806.7A Pending CN111006633A (en) | 2019-12-31 | 2019-12-31 | Device for automatically detecting flatness of workpiece and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536862A (en) * | 2020-04-27 | 2020-08-14 | 丽水市莲都区凯江云泽机械厂 | Be used for machining work piece plane degree measuring device |
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| CN108827222A (en) * | 2018-06-27 | 2018-11-16 | 芜湖衡西微量计量科技有限公司 | A kind of parts surface roughness measuring device |
| CN109115093A (en) * | 2018-07-24 | 2019-01-01 | 蚌埠淮畔精密机械有限公司 | A kind of Novel workpiece flatness detection recording device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06341804A (en) * | 1993-05-31 | 1994-12-13 | Mitsubishi Materials Corp | Flatness measuring jig |
| JPH07332962A (en) * | 1994-06-07 | 1995-12-22 | Kuroda Precision Ind Ltd | Apparatus for measuring flatness |
| CN202974225U (en) * | 2012-12-17 | 2013-06-05 | 法国圣戈班玻璃公司 | Positioning fixture of coordinate measuring machine for detecting automotive glass |
| CN207703102U (en) * | 2017-12-13 | 2018-08-07 | 佛山瑞普达光电科技有限公司 | A kind of automobile brake disc can multi-angle regulation position testing agency |
| CN108827222A (en) * | 2018-06-27 | 2018-11-16 | 芜湖衡西微量计量科技有限公司 | A kind of parts surface roughness measuring device |
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| CN111536862A (en) * | 2020-04-27 | 2020-08-14 | 丽水市莲都区凯江云泽机械厂 | Be used for machining work piece plane degree measuring device |
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Application publication date: 20200414 |