CN201417119Y - Full automatic indicator verification instrument - Google Patents
Full automatic indicator verification instrument Download PDFInfo
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- CN201417119Y CN201417119Y CN2009201305393U CN200920130539U CN201417119Y CN 201417119 Y CN201417119 Y CN 201417119Y CN 2009201305393 U CN2009201305393 U CN 2009201305393U CN 200920130539 U CN200920130539 U CN 200920130539U CN 201417119 Y CN201417119 Y CN 201417119Y
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- 238000012795 verification Methods 0.000 title abstract description 7
- 230000003321 amplification Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 15
- 230000033001 locomotion Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model discloses a full automatic indicator verification instrument. The full automatic indicator verification instrument comprises a base, a computer, a camera, a grating standard displacement device and a motor drive device, wherein a X-direction guide rail is arranged on the base; an upright column is arranged on the X-direction guide rail; a Z-direction guide rail is arranged on theupright column; a camera fixing support is arranged on the Z-direction rail; the camera is fixed on the camera fixing support; the camera is provided with an image acquisition card connected with thecomputer; the grating standard display device includes an AVR single-chip and an electrical erasable programmable read-only memory (EEPROM); a dark space processor (DSP) is arranged on the camera; the image acquisition card is a high-speed image acquisition card with a PCI interface and a PCMCIA interface, which suits the common desk-top computer and notebook computer. The full automatic indicator verification instrument has the advantages of high verification accuracy, high verification speed, good stability and versatility.
Description
Technical field
The utility model relates to the full-automatic calibrating instrument of a kind of indicating gauge.
Background technology
As everyone knows, fine measuring instruments such as dial gauge, clock gauge are the most widely used conventional instruments of mechanical industry, and they are bringing into play very important effect in China's industrial circle.In instrument manufacturing enterprise and measurement verification department, need accurately examine and determine the clock gauge and the dial gauge error of indication, qualified to judge whether, this is the work that regular labour intensity is big.Traditional dial gauge, clock gauge calibration method are divided into manual mode and semi-automatic mode, the standard gauge block group that is employing combination different length is the yardstick benchmark, or to adopt the high precision micrometer mechanism with scale be length standard, carries out readout by human eye then and come indicating gauges such as dial gauge, clock gauge are examined and determine.Manual mode is meant by manual rotation hand wheel or microdrum etc. and produces the standard displacement, makes indicator gage finger produce angular displacement through certain mode, and operating personnel use the eyes reading numerical values, and adopts hand-kept, calculates the method for testing result at last again; Semi-automatic mode is meant by stepper motor or hand drive grating or standard thread screw mandrel generation displacement, promote indicator gage finger and produce angular displacement, operating personnel observe indicating gauge with eyes, actual displacement amount when needle deflection sampling grating or standard screw mandrel during to calibrating point position, calculate the method for testing result at last by microprocessor or computer, this method belongs to " reverse-examination method ".Adopt this two kinds of calibration methods, owing to adopt the artificial visual reading, so measuring accuracy is low, poor reliability, poor repeatability, labour intensity is low, and the calibrating time is long, and inefficiency can only have the fixed point calibrating of extreme position, and dirigibility and versatility are poor; Because adopt hand computation, therefore, counting yield is low, and can only provide the single-point error amount, can't obtain complete graph of errors.Along with existing requirement of producing, traditional calibration method can not satisfy efficient is fast and precision is high requirement, people are in order to overcome above-mentioned deficiency, at present, begun to adopt photoelectricity and computer image processing technology to come indicating gauge is examined and determine in China, in China Patent No. is 200720082002.5 patent, disclose the full-automatic calibrating instrument of a kind of indicating gauge, comprised computing machine, camera, raster pattern normal bit moving device, motor driver; About the position energy of described camera, up and down, the adjustment of front and back, the effect of camera is that the data in the indicating gauge are filmed, and by image processing system with data transmission to computing machine, calculate the pin-point reading of indicating gauge then; Described raster pattern normal bit moving device comprises grating base, slide block, measuring staff, source of parallel light, grating chi, photoelectric cell, grating signal amplification sample circuit; Described motor driver comprises microprocessor control circuit, motor driver, motor, screw rod and nut; Described motor output shaft is connected with screw rod one end, and nut is located on the screw rod, and slide block, measuring staff and nut are connected as a single entity; When work, the rotation of motor-driven screw rod drives the nut motion then, and nut makes the measuring staff motion by slide block, measuring staff contacts with indicating gauge, like this, just make indicating gauge produce an actual displacement, under source of parallel light, grating chi and photronic effect, amplify sample circuit through grating signal and calculate the actual displacement amount, in interface circuit is delivered to computing machine, in computing machine, the data of changing out in actual displacement and the camera are compared, draw the error of indicating gauge then.Adopt the full-automatic calibrating instrument of indicating gauge of this structure, be difficult for being converted into large-scale production, stability is wayward, and because camera is subject to the influence of light source when shooting, therefore, can influence calibration accuracy, and versatility is bad.
The utility model content
The purpose of this utility model is in order to provide a kind of indicating gauge full-automatic calibrating instrument, to utilize structure of the present utility model can improve calibration accuracy, and calibrating speed is fast, good stability, and versatility is good.
For achieving the above object, the full-automatic calibrating instrument of indicating gauge of the present utility model comprises base, computing machine, camera, raster pattern normal bit moving device, motor driver; Described base is provided with X to guide rail, and X is provided with column to guide rail; Column is provided with Z to guide rail, and Z is provided with the camera fixed support to guide rail, and described camera is located on the camera fixed support; Described camera is furnished with image pick-up card, and image pick-up card is connected with computing machine; Described raster pattern normal bit moving device and motor driver are located on the base, and are positioned at a side of column; Described raster pattern normal bit moving device comprises AVR unit sheet and the EEPROM Electrically Erasable Read Only Memory that has adopted large-scale quick access register file and quick one-cycle instruction; Described camera is provided with DSP dark space processor; Described image pick-up card is the high speed image acquisition board of PCI and pcmcia interface.
The full-automatic calibrating instrument of the indicating gauge of this structure, owing on camera, be provided with DSP dark space processor, therefore, even do not install attached light source additional, in that do not have under the bright external environment still can clear seizure image, accurately discern every scale mark and pointer position, and then accurately calculate the pointer indicating value, improve the degree of accuracy of calibrating; Owing to be provided with the AVR single-chip microcomputer, like this, can realize size, performance and the power consumption of object code optimizing, therefore, good stability; Because capture card is the high speed image acquisition board of PCI and pcmcia interface, like this, the speed of transmission data is fast, and can be configured on the desktop computer, also can be configured on the notebook computer, and therefore, the speed of calibrating is also fast, and versatility is good.
Specialize as of the present utility model, described raster pattern normal bit moving device also comprises grating base, slide block, guide rod, measuring staff, source of parallel light, grating chi, photoelectric cell and grating signal amplification sample circuit; Described grating base and guide rod are located on the base; Source of parallel light is located in the grating base, and the grating chi is located on the grating base, and be positioned at source of parallel light directly over, described photoelectric cell be located at the grating chi directly over; Described slide block is located on the guide rod; Measuring staff is located on the slide block, and is connected with slide block, and measuring staff is provided with gauge head away from an end of slide block.This structure, slide block drives the measuring staff motion, under the effect of source of parallel light, the grating chi produces light to be changed, and the grating chi is converted into signal the sine wave signal that differs 90 degree, amplifying the employing circuit through grating signal amplifies signal, pass to the actual displacement amount that COMPUTER CALCULATION goes out measuring staff, like this, can calculate the displacement of measuring staff accurately, therefore, the degree of accuracy height of calibrating.
Specialize as of the present utility model, described motor driver comprises microprocessor control circuit, motor driver, motor, screw rod, nut, clutch shaft bearing seat and second bearing seat; Described motor is located on the base, and the output shaft of motor is connected with screw rod, and nut is located on the screw rod and with described slide block and is connected; Be provided with shaft coupling between described motor output shaft and the screw rod; End away from output shaft on the motor is provided with first control hand wheel; Described clutch shaft bearing seat is provided with clutch shaft bearing, and second bearing seat is provided with second bearing; The both ends of described screw rod are located on first and second bearings.This motor driver is simple in structure, and is practical.
As improvement, be provided with extension spring between described grating chi and the clutch shaft bearing seat.Like this grating chi is played the effect that resets.
As improvement, described column is provided with X to rotation hand wheel; The camera fixed support is provided with Z to rotation hand wheel.Rotation hand wheel is set, is convenient to regulate the position of camera.
As improvement, described base is provided with 6 legs.Adopt this structure, increased the anti-seismic performance of whole instrument, guide rod and X are on the more straight plane to guide rail, improve the precision of calibrating.
As improvement, the below of camera is provided with the indicating gauge stationary fixture on the described base.Be convenient to the installation of indicating gauge like this.
Description of drawings
Fig. 1 is a three-dimensional view of the present utility model;
Fig. 2 is a front view of the present utility model;
Fig. 3 is the vertical view that removes shell of the present utility model;
Fig. 4 is a right view of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is further elaborated
The full-automatic calibrating instrument of indicating gauge as depicted in figs. 1 and 2 comprises base 1 and computing machine (not shown), is provided with X to guide rail 2 on base 1, and as Fig. 4, X is a dovetail slideway to guide rail; On guide rail 2, be provided with column 3 at X, column 3 can be along X side-to-side movement on guide rail, column 3 is provided with Z to guide rail 4, on guide rail 4, be provided with camera fixed support 5 at Z, camera fixed support 5 can move up and down on guide rail 4 at Z, camera 6 is installed on camera fixed support 5, DSP dark space processor (not shown) is installed on the camera 6, as shown in Figure 4, X is installed to rotation hand wheel 7 on column, by the motion of rotation X about rotation hand wheel 7 can make column produce, as depicted in figs. 1 and 2, Z is installed on camera fixed support 5 to rotation hand wheel 8, can be that camera fixed support 5 produces motion up and down by rotation Z to rotation hand wheel 8, like this, just can regulate the upper-lower position and the position, the left and right sides of camera 6, the time camera 6 can photograph distinct image; On camera 6, also be provided with the high speed image acquisition board (not shown) that data-interface connects PCI and pcmcia interface, image pick-up card is installed in the computing machine, like this, camera 6 captured indicating gauge images are handled through image pick-up card, then data are sent to and calculate in the computing machine and analyze.
As depicted in figs. 1 and 2, on base 1, be provided with shell 9; As Fig. 3, in shell 9, be provided with raster pattern normal bit moving device and motor driver; Described raster pattern normal place device comprises grating base (not shown), slide block 10, guide rod 11, measuring staff 12, the source of parallel light (not shown), grating chi 13, the photoelectric cell (not shown), grating signal is amplified the sample circuit (not shown), AVR unit sheet (not shown) and EEPROM Electrically Erasable Read Only Memory (not shown), described motor driver comprises the microprocessor control circuit (not shown), the motor driver (not shown), motor 14, screw rod 15, nut 16, the clutch shaft bearing seat 17 and second bearing seat 18, the clutch shaft bearing (not shown) is installed in clutch shaft bearing seat 17, the second bearing (not shown) is installed in second bearing seat 18, described grating base and guide rod 11 are installed on the base 1, source of parallel light is installed in the grating base, grating chi 13 be located at source of parallel light directly over, photoelectric cell be located at grating chi 13 directly over, described slide block 10 is located on the guide rod 11 and can moves on guide rod 11, side away from column 3 in shell 9 is provided with motor mounting rack, motor 14 is installed on the electric machine support, described screw rod 15 is connected with the output shaft of motor 14, between screw rod 15 and motor output shaft, be provided with shaft coupling, on an end relative on the motor 14, first control hand wheel 20 is installed with screw rod 15, first control hand wheel 20 is connected with the axle of motor, and be located at outside the shell 9, the described clutch shaft bearing seat 17 and second bearing seat 18 are installed on the base 1, screw rod 15 is located on the clutch shaft bearing seat 17 and second bearing seat 18, described nut 16 is located on the screw rod 15, when screw rod 15 rotations, can drive nut 16 rectilinear motions, described screw rod 15 and motor 14 relative ends are connected with slide block 10, slide block 10 also is connected with measuring staff 12, be provided with gauge head at measuring staff 12 away from an end of screw rod 15, gauge head stretches out shell 9; Be provided with extension spring 21 between described grating chi 13 and the clutch shaft bearing seat 17, like this, lenticular lenses 13 resetted timely.
As depicted in figs. 1 and 2,6 legs 22 are installed below base 1,6 legs 22 are set, can increase the anti-seismic performance of whole instrument, guide rod and X are on the more straight plane to guide rail, improve the precision of calibrating; Side at shell 9 is provided with indicating gauge stationary fixture 23, is convenient to the clamping and the installation of indicating gauge like this.
The course of work of the full-automatic calibrating instrument of indicating gauge of this structure is: earlier indicating gauge is clamped on the indicating gauge stationary fixture, directly over the maintenance workplace is super, regulate the position of indicating gauge stationary fixture, the measuring staff of indicating gauge is contacted with gauge head on the instrument, rotate first control hand wheel, make indicating gauge zero.Regulate X to Z to rotation hand wheel, when making camera take indicating gauge, can obtain best mass effect, start DSP dark space processor.Enter calibration operation after finishing preliminary adjustment, on the one hand, computing machine sends signal and makes microprocessor control circuit work, microprocessor control circuit makes machine operation by motor driver, the motor rotation drives the screw rod rotation, the rotation of screw rod drives the nut motion, nut drives raster pattern normal bit moving device and produces change in displacement, under the effect of parallel power supply, the grating chi is converted into displacement signal the sine wave signal that differs 90 degree, amplify through grating signal then and adopt circuit that signal is amplified, pass to computing machine, computer goes out actual displacement as calculated; On the other hand, the change in displacement that indicating gauge shows is obtained by camera after image pick-up card is input in the computing machine discerns, and calculates the data on the indicating gauge, in computing machine two paths of data is carried out opposite side then, thereby provides the error of indicating gauge.
The full-automatic calibrating instrument of the indicating gauge of this structure, owing on camera, be provided with DSP dark space processor, therefore, even do not install attached light source additional, in that do not have under the bright external environment still can clear seizure image, accurately discern every scale mark and pointer position, and then accurately calculate the pointer indicating value, improve the degree of accuracy of calibrating; Owing to be provided with the AVR single-chip microcomputer that has adopted large-scale quick access register file and quick one-cycle instruction, like this, can realize size, performance and the power consumption of object code optimizing, therefore, good stability; Because capture card is the high speed image acquisition board of PCI and pcmcia interface, like this, the speed of transmission data is fast, and can be configured on the desktop computer, also can be configured on the notebook computer, and therefore, the speed of calibrating is also fast, and versatility is good.
Claims (7)
1. the full-automatic calibrating instrument of indicating gauge comprises base, computing machine, camera, raster pattern normal bit moving device, motor driver; Described base is provided with X to guide rail, and X is provided with column to guide rail; Column is provided with Z to guide rail, and Z is provided with the camera fixed support to guide rail, and described camera is located on the camera fixed support; Described camera is provided with image pick-up card, and image pick-up card is connected with computing machine; Described raster pattern normal bit moving device and motor driver are located on the base, and are positioned at a side of column; It is characterized in that: described raster pattern normal bit moving device comprises AVR unit sheet and EEPROM Electrically Erasable Read Only Memory; Described camera is provided with DSP dark space processor; Described image pick-up card is the high speed image acquisition board of PCI and pcmcia interface.
2. the full-automatic calibrating instrument of indicating gauge according to claim 1 is characterized in that: described raster pattern normal bit moving device also comprises grating base, slide block, guide rod, measuring staff, source of parallel light, grating chi, photoelectric cell and grating signal amplification sample circuit; Described grating base and guide rod are located on the base; Source of parallel light is located in the grating base, and the grating chi is located on the grating base, and be positioned at source of parallel light directly over, described photoelectric cell be located at the grating chi directly over; Described slide block is located on the guide rod; Measuring staff is located on the slide block, and is connected with slide block, and measuring staff is provided with gauge head away from an end of slide block.
3. the full-automatic calibrating instrument of indicating gauge according to claim 2 is characterized in that: described motor driver comprises microprocessor control circuit, motor driver, motor, screw rod, nut, clutch shaft bearing seat and second bearing seat; Described motor is located on the base, and the output shaft of motor is connected with screw rod, and nut is located on the screw rod and with described slide block and is connected; Be provided with shaft coupling between described motor output shaft and the screw rod; End away from output shaft on the motor is provided with first control hand wheel; Described clutch shaft bearing seat is provided with clutch shaft bearing, and second bearing seat is provided with second bearing; The both ends of described screw rod are located on first and second bearings.
4. the full-automatic calibrating instrument of indicating gauge according to claim 3 is characterized in that: be provided with extension spring between described grating chi and the clutch shaft bearing seat.
5. the full-automatic calibrating instrument of indicating gauge according to claim 1, it is characterized in that: described column is provided with X to rotation hand wheel; The camera fixed support is provided with Z to rotation hand wheel.
6. the full-automatic calibrating instrument of indicating gauge according to claim 1 is characterized in that: described base is provided with 6 legs.
7. according to the full-automatic calibrating instrument of the arbitrary described indicating gauge of claim 1 to 6, it is characterized in that: the below of camera is provided with the indicating gauge stationary fixture on the described base.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201305393U CN201417119Y (en) | 2009-04-09 | 2009-04-09 | Full automatic indicator verification instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009201305393U CN201417119Y (en) | 2009-04-09 | 2009-04-09 | Full automatic indicator verification instrument |
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| CN201417119Y true CN201417119Y (en) | 2010-03-03 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927906A (en) * | 2012-10-25 | 2013-02-13 | 昆山允可精密工业技术有限公司 | Cutter measuring system |
| CN103162661A (en) * | 2013-03-08 | 2013-06-19 | 九江精达检测技术有限公司 | Device and method for calibrating convergence meter |
| CN103852008A (en) * | 2012-11-30 | 2014-06-11 | 昆山允可精密工业技术有限公司 | Manual adjusting platform of cutter optical measuring system |
| CN103852009A (en) * | 2012-11-30 | 2014-06-11 | 昆山允可精密工业技术有限公司 | Automatic cutter measuring device |
| CN103852006A (en) * | 2012-11-30 | 2014-06-11 | 昆山允可精密工业技术有限公司 | Device and method for automatically measuring cutter |
| CN103852028A (en) * | 2012-11-30 | 2014-06-11 | 昆山允可精密工业技术有限公司 | Manual two-dimensional cutter measurement auxiliary device |
| CN104216203A (en) * | 2014-09-15 | 2014-12-17 | 河南科技大学 | Safe adjustable lens protection device |
| CN108253897A (en) * | 2017-12-29 | 2018-07-06 | 浙江省计量科学研究院 | A kind of point-diffraction interference three-dimensional coordinate measurement method of large scale and high accuracy |
| CN116182662A (en) * | 2022-11-15 | 2023-05-30 | 北京北一机床有限责任公司 | A method of calibrating the indication value error of the internal card of the meter |
-
2009
- 2009-04-09 CN CN2009201305393U patent/CN201417119Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927906A (en) * | 2012-10-25 | 2013-02-13 | 昆山允可精密工业技术有限公司 | Cutter measuring system |
| CN103852008A (en) * | 2012-11-30 | 2014-06-11 | 昆山允可精密工业技术有限公司 | Manual adjusting platform of cutter optical measuring system |
| CN103852009A (en) * | 2012-11-30 | 2014-06-11 | 昆山允可精密工业技术有限公司 | Automatic cutter measuring device |
| CN103852006A (en) * | 2012-11-30 | 2014-06-11 | 昆山允可精密工业技术有限公司 | Device and method for automatically measuring cutter |
| CN103852028A (en) * | 2012-11-30 | 2014-06-11 | 昆山允可精密工业技术有限公司 | Manual two-dimensional cutter measurement auxiliary device |
| CN103162661A (en) * | 2013-03-08 | 2013-06-19 | 九江精达检测技术有限公司 | Device and method for calibrating convergence meter |
| CN104216203A (en) * | 2014-09-15 | 2014-12-17 | 河南科技大学 | Safe adjustable lens protection device |
| CN108253897A (en) * | 2017-12-29 | 2018-07-06 | 浙江省计量科学研究院 | A kind of point-diffraction interference three-dimensional coordinate measurement method of large scale and high accuracy |
| CN116182662A (en) * | 2022-11-15 | 2023-05-30 | 北京北一机床有限责任公司 | A method of calibrating the indication value error of the internal card of the meter |
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Addressee: Shenzhen Phians Measurement and Control Technology Co., Ltd. Document name: Notification of Expiration of Patent Right Duration |