CN101963494A - Stone slab surface profile size measurement device and measurement method thereof - Google Patents
Stone slab surface profile size measurement device and measurement method thereof Download PDFInfo
- Publication number
- CN101963494A CN101963494A CN 201010258276 CN201010258276A CN101963494A CN 101963494 A CN101963494 A CN 101963494A CN 201010258276 CN201010258276 CN 201010258276 CN 201010258276 A CN201010258276 A CN 201010258276A CN 101963494 A CN101963494 A CN 101963494A
- Authority
- CN
- China
- Prior art keywords
- stone material
- camera
- material plate
- large stone
- guide block
- 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.)
- Granted
Links
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a stone slab surface profile size measurement device and a measurement method thereof, and relates to a measurement device for building stone and a measurement method thereof. The measurement device comprises hardware parts and software parts in which an image pickup system, a camera control system and a mechanical movement and supporting mechanism are arranged; and the hardware part comprises a stone slab workbench, a camera supporting post, a camera transverse movement and vertical movement guide rail and a camera transverse movement and vertical movement driving servo motor. The method comprises the following steps of: putting the stone slab on the workbench, adjusting the height and the central position of the camera, shooting the stone slab, transmitting the image into a computer and performing image processing on the image through a Visual Studio (VC) ++ software to obtain the appearance and the edge profile of the stone slab so as to compute the size of the slab. The invention realizes the online measurement of the stone slab, can facilitate the scientific management of the slab for a factory, simplify the production step, save the time, improve the utilization rate of raw materials, improve the quality, and reduce the cost.
Description
Technical field
The present invention relates to a kind of measurement mechanism and measuring method thereof of building stone, particularly relate to large stone material plate surface profile measurement mechanism and measuring method thereof that a kind of large stone material plate is optimized processing in process of production.
Background technology
In the existing large stone material plate in-process measurement, generally adopt the mode of manual measurement, to grinded masonry slab surface topography and profile dimensional measurement, sampled measurements is carried out in the cutting that large stone material plate is follow-up, it is very loaded down with trivial details to work, and the error of measurement is bigger, and makes the utilization factor of stone material reduce.Simultaneously, this artificial metering system also is not easy to working continuously of processing of stone factory and scientific management.
At present, Italy Brighton company has developed stone material bridge-type cutter special software, on the bridge-type cutter, camera has been installed, use the camera collection image, and then carry out image acquisition and subsequent treatment, to sheet material optimization row plate, the automatic control of large stone material plate and the Intelligence Selection system that have realized the collection design and be processed as one, but complex structure.And domestic correlative study is also less, and ceramic tile physical dimension on-line detecting system has been studied by Zhejiang University and University Of Tianjin, but at large stone material plate online surface measurement system and the domestic report of being correlated with that yet there are no so far of relevant apparatus.
Summary of the invention
The object of the present invention is to provide a kind of large stone material plate to optimize the large stone material plate surface profile measurement mechanism and the measuring method thereof of processing in process of production.The present invention provides raw data to the sampling of large stone material plate follow-up cutting carrying out computer graphical, sheet material stock computer management, sheet material figure row plate, sheet material optimization blanking, provides source book to stone laying design and processing simultaneously.Can make things convenient for the scientific management of factory, simplify production stage, save time, improve raw-material utilization rate, can improve the quality simultaneously, reduce cost sheet material.
The objective of the invention is to be achieved through the following technical solutions:
A kind of large stone material plate surface profile dimension measuring device, include camera system, lens control system and mechanical motion and supporting mechanism at interior hardware components and software section, its hardware components comprises that large stone material plate worktable, camera support uprightly to live, camera transverse movement and vertical movement guide rail, camera transverse movement and vertical movement drive servomotor; Camera system comprises ccd video camera, the CCD control circuit of making a video recording; Software is based on C Plus Plus establishment Single-chip Controlling program, video camera control program, Flame Image Process control program, image acquisition and dimensional measurement control program; This device is made of with control system five parts traverse feed system (X to), vertical feed system (Z to), worktable, camera system: bolt is installed on the table base is connected with foundation, the cross slide way supporter is fixed together by bolt and basic body, and keeping parallelism degree and levelness; Beam support casts out for cast iron integral body, and portion is equipped with two rollers and matches with longitudinal rail within it; The motor shaft external part is in support member inside, use Bolt Connection between beam support and the crossbeam, crossbeam is that cylinder iron integral body casts out, the guide rail of crossbeam is combined by dovetail grooved guide rail and rectangular guideway, there is guide rail to match on the crossbeam with it, moving guide rail is cast as one with horizontal guide block, laterally guide block is connected with horizontal ball-screw, be connected with vertical guide block by down-feed screw again simultaneously, ccd video camera is connected with vertical guide block, have ccd video camera and laterally be connected driving respectively with stepper motor with horizontal guide block, and adjust the height and the center of ccd video camera and large stone material plate with the vertical guide block of movement in vertical direction.
Described a kind of large stone material plate surface profile dimension measuring device, its described ccd video camera laterally motion of (directions X) is by the step motor drive ball-screw, connects horizontal guide block on the ball-screw, laterally guide block moves on guide rail; Stepper motor is connected by shaft coupling with horizontal ball-screw, ball-screw is fixed on the crossbeam by the bearings at both ends supporting, crossbeam is connected with vertical support frame, support is connected with foundation by bolt, worktable is connected with foundation by anchoring bolt, be placed with roller on the worktable, large stone material plate is placed on the worktable.
Described a kind of large stone material plate surface profile dimension measuring device, its transverse movement guide block is connected with horizontal ball-screw, the vertical movement drive stepping motor is housed on the transverse movement guide block, stepper motor is connected with vertical ball-screw, vertical guide block is connected with vertical ball-screw, and the CCD camera realizes that with vertical guide block measuring head moves up and down.
A kind of large stone material plate surface profile dimension measurement method, this method may further comprise the steps:
Large stone material plate is placed on the worktable, and camera height and center are adjusted by computer-controlled program; After choosing video camera, at first will demarcate its inside and outside parameter, demarcation is the necessary process of accurate measurement target object, and the distortion degree of each camera lens has nothing in common with each other, and proofreaies and correct this lens distortion by camera calibration; Demarcate the end back large stone material plate is taken pictures, image is transferred in the computing machine it is carried out Flame Image Process then, obtain large stone material plate pattern and edge contour, finally calculate the size of big plate by VC++ software.
Described a kind of large stone material plate surface profile dimension measurement method, its described VC++ software to its carry out that Flame Image Process comprises acquisition module, pretreatment module, cuts apart module, profile extraction module, dimensional measurement module, pattern fitting module, output module.
Described a kind of large stone material plate surface profile dimension measurement method, its described Flame Image Process is: at first travelling belt is delivered to large stone material plate in the ccd video camera visual field, image pick-up card arrives computer-internal with image acquisition then, use image processing techniques that the original image that collects is handled again, extract the profile of stone material then, and calculate the large stone material plate size.
Advantage of the present invention and effect are:
The present invention can make things convenient for the scientific management of factory to sheet material by to the realization based on CCD large stone material plate on-line measurement system, simplifies production stage, saves time, and improves raw-material utilization rate, can improve the quality simultaneously, reduces cost.This device can on-line measurement goes out the physical size and the surface topography of sheet material.
The present invention has realized the large stone material plate on-line measurement, has solved large stone material plate on-line measurement problem.This device adopts ccd video camera, image pick-up card and computing machine to realize the on-line measurement of large stone material plate, and software mainly adopts VC++ to realize.This device has been realized the combination of hardware and software simultaneously, has than high automation, intellectuality, integrated level, can realize the processing of stone numerical controlization thus.This system is for follow-up large stone material plate defects detection, optimization row plate, cutting provides a basic platform automatically, finally can solve large stone material plate and optimize processing problems in process of production, improved the utilization factor of stone material, cut down finished cost, improved working (machining) efficiency, to utilizing mine resources, energy-saving and emission-reduction are significant, carry out preliminary preparation for the stone machining equipment new step of marching toward simultaneously.The present invention can improve China's stone material design and level of processing, is satisfied with the demand of home market.Be with a wide range of applications.
Description of drawings
Fig. 1 is a large stone material plate of the present invention surface profile measurement mechanism synoptic diagram;
Fig. 2 is a main transmission jacking system sketch of the present invention;
Fig. 3 is an image capturing system block scheme of the present invention.
Embodiment
The present invention is described in detail with reference to the accompanying drawings.
The present invention is the measurement mechanism that is used for lithotome polishing rear surface profile and pattern, and main composition has CCD camera system, lens control system and mechanical motion and supporting mechanism.This device includes hardware components and software section.Hardware components comprises that large stone material plate worktable, camera support uprightly to live, camera transverse movement and vertical movement guide rail, camera transverse movement and vertical movement drive servomotor.Camera system comprises ccd video camera, CCD shooting control circuit etc.Software is mainly based on C Plus Plus establishment Single-chip Controlling program, video camera control program, Flame Image Process control program, image acquisition and dimensional measurement control program.
The present invention is mainly used on the stone material polishing line, also can use separately simultaneously, finishes grinded masonry slab surface topography and profile size are implemented on-line measurement.Provide raw data to the sampling of large stone material plate follow-up cutting carrying out computer graphical, sheet material stock computer management, sheet material figure row plate, sheet material optimization blanking, provide source book to stone laying design and processing simultaneously.
The integrally-built main parts size of apparatus of the present invention has worktable, horizontal guide block, beam support, vertical guide block, ccd video camera, stepper motor, control box etc.Bolt wherein is installed on the table base is connected with foundation, the cross slide way supporter is fixed together by bolt and basic body, and keeps the certain depth of parallelism and levelness.Beam support casts out for cast iron integral body, and portion is equipped with two rollers and matches with longitudinal rail within it.The motor shaft external part is in support member inside.Use Bolt Connection between beam support and the crossbeam.Crossbeam is that cylinder iron integral body casts out, and the guide rail of crossbeam is combined by dovetail grooved guide rail and rectangular guideway.Have guide rail to match with it on the crossbeam, moving guide rail is cast as one with horizontal guide block.Laterally guide block is connected with horizontal ball-screw, is connected with vertical guide block by down-feed screw again simultaneously, and ccd video camera is connected with vertical guide block.Vertical guide block and horizontal guide block have laterally and movement in vertical direction ccd video camera respectively by step motor drive, adjust the height and the center of ccd video camera and large stone material plate.This device is mainly constituted by traverse feed system (X to), vertical feed system (Z to), worktable, camera system and control system five are most of.
Fig. 1 is a large stone material plate of the present invention surface profile dimension measuring device synoptic diagram.
Among the figure: 1. guide supporting body, 2. bolt M12,3. guide rail, 4. packing ring, 5. bearing (ball) cover, 6. hex bolts M10,7. hex bolts M12,8. deep groove ball bearing, 9. packing ring, 10. bearing seat frame, 11. ball-screws, 12.CCD industrial camera, 13. vertical guide block, 14. hex bolts M12,15. horizontal guide blocks, 16. feed screw nut, 17. hex bolts M8,18. motor fixing plates, 19. hex bolts M8,20. shaft couplings, 21. stepper motors, 22. key 12X8,23. hex bolts M8,24. supports, 25. worktable roller, 26. worktable, 27. support lower margin gussets, 28. support foot bolt.
During this device work, the ccd video camera laterally motion of (directions X) is by the step motor drive ball-screw, and connects horizontal guide block on the ball-screw, and laterally guide block moves on guide rail and realizes the ccd video camera transverse movement.Stepper motor is connected by shaft coupling with horizontal ball-screw, and ball-screw is fixed on the crossbeam by the bearings at both ends supporting.Crossbeam is connected with vertical support frame, and support is connected with foundation by bolt.Worktable is connected with foundation by anchoring bolt, is placed with roller on the worktable, and large stone material plate is placed on the worktable.Worktable length is 3100mm, and width is 2340mm, highly is 1100mm.Vertical direction (Z direction) motion structure is by shown in Figure 2.The transverse movement guide block is connected with horizontal ball-screw, the vertical movement drive stepping motor is housed on the transverse movement guide block, stepper motor is connected with vertical ball-screw, and vertical guide block is connected with vertical ball-screw, and the CCD camera realizes that with vertical guide block measuring head moves up and down.The motion of complete machine is to carry out under the control of single-chip microcomputer, and then has realized large stone material plate is measured automatically.CCD camera vertical movement stroke is 500mm, and the transverse movement stroke is 1000mm.This device total length is that 3200mm, overall width are 3400mm, overall height 3500mm.
Fig. 2 is a main transmission jacking system sketch of the present invention.
Among the figure: 1. packing ring, 2. hexagon head bolt M6,3. taper roll bearing, 4. stepper motor, 5. key, 6. down-feed screw, 7. hex bolts M6,8. hex bolts M6,9. vertical guide block, 10. hex bolts M8,11.CCD industrial camera, 12. camera lenses, 13. vertically lead the motion block end cap, 14. hex bolts M8.
Large stone material plate is placed on the worktable, and camera height and center are adjusted by computer-controlled program.After choosing video camera, at first will demarcate its inside and outside parameter, demarcation is the necessary process of accurate measurement target object, and the distortion degree of each camera lens has nothing in common with each other, and just can proofread and correct this lens distortion by camera calibration.Demarcate the end back and just can take pictures, image is transferred in the computing machine it is carried out Flame Image Process then, obtain large stone material plate pattern and edge contour, finally calculate the size of big plate by VC++ software to large stone material plate.The image capturing system module as shown in Figure 3.
Fig. 3 is an image capturing system block scheme of the present invention.
At first travelling belt is delivered to large stone material plate in the ccd video camera visual field, image pick-up card arrives computer-internal with image acquisition then, use image processing techniques that the original image that collects is handled again, extract the profile of stone material then, and calculate the large stone material plate size.The fundamental purpose of Flame Image Process is extracted the large stone material plate profile exactly, and it mainly comprises image gray processing and image smoothing, image segmentation etc.Level and smooth fundamental purpose is exactly the noise of removing in the image.The image segmentation purpose is extracted the large stone material plate profile exactly.Image processing software mainly comprises acquisition module, pretreatment module, cuts apart module, profile extraction module, dimensional measurement module, pattern fitting module, output module.
Claims (6)
1. large stone material plate surface profile dimension measuring device, include camera system, lens control system and mechanical motion and supporting mechanism at interior hardware components and software section, it is characterized in that hardware components comprises that large stone material plate worktable, camera support uprightly to live, camera transverse movement and vertical movement guide rail, camera transverse movement and vertical movement drive servomotor; Camera system comprises ccd video camera, the CCD control circuit of making a video recording; Software is based on C Plus Plus establishment Single-chip Controlling program, video camera control program, Flame Image Process control program, image acquisition and dimensional measurement control program; This device is made of with control system five parts traverse feed system (X to), vertical feed system (Z to), worktable, camera system: bolt is installed on the table base is connected with foundation, the cross slide way supporter is fixed together by bolt and basic body, and keeping parallelism degree and levelness; Beam support casts out for cast iron integral body, and portion is equipped with two rollers and matches with longitudinal rail within it; The motor shaft external part is in support member inside, use Bolt Connection between beam support and the crossbeam, crossbeam is that cylinder iron integral body casts out, the guide rail of crossbeam is combined by dovetail grooved guide rail and rectangular guideway, there is guide rail to match on the crossbeam with it, moving guide rail is cast as one with horizontal guide block, laterally guide block is connected with horizontal ball-screw, be connected with vertical guide block by down-feed screw again simultaneously, ccd video camera is connected with vertical guide block, have ccd video camera and laterally be connected driving respectively with stepper motor with horizontal guide block, and adjust the height and the center of ccd video camera and large stone material plate with the vertical guide block of movement in vertical direction.
2. a kind of large stone material plate according to claim 1 surface profile dimension measuring device, it is characterized in that, the described ccd video camera laterally motion of (directions X) is by the step motor drive ball-screw, connects horizontal guide block on the ball-screw, and laterally guide block moves on guide rail; Stepper motor is connected by shaft coupling with horizontal ball-screw, ball-screw is fixed on the crossbeam by the bearings at both ends supporting, crossbeam is connected with vertical support frame, support is connected with foundation by bolt, worktable is connected with foundation by anchoring bolt, be placed with roller on the worktable, large stone material plate is placed on the worktable.
3. a kind of large stone material plate according to claim 1 surface profile dimension measuring device, it is characterized in that, the transverse movement guide block is connected with horizontal ball-screw, the vertical movement drive stepping motor is housed on the transverse movement guide block, stepper motor is connected with vertical ball-screw, vertical guide block is connected with vertical ball-screw, and the CCD camera realizes that with vertical guide block measuring head moves up and down.
4. large stone material plate surface profile dimension measurement method is characterized in that this method may further comprise the steps:
Large stone material plate is placed on the worktable, and camera height and center are adjusted by computer-controlled program; After choosing video camera, at first will demarcate its inside and outside parameter, demarcation is the necessary process of accurate measurement target object, and the distortion degree of each camera lens has nothing in common with each other, and proofreaies and correct this lens distortion by camera calibration; Demarcate the end back large stone material plate is taken pictures, image is transferred in the computing machine it is carried out Flame Image Process then, obtain large stone material plate pattern and edge contour, finally calculate the size of big plate by VC++ software.
5. a kind of large stone material plate according to claim 4 surface profile dimension measurement method, it is characterized in that, described VC++ software to its carry out that Flame Image Process comprises acquisition module, pretreatment module, cuts apart module, profile extraction module, dimensional measurement module, pattern fitting module, output module.
6. a kind of large stone material plate according to claim 4 surface profile dimension measurement method, it is characterized in that, described Flame Image Process is: at first travelling belt is delivered to large stone material plate in the ccd video camera visual field, image pick-up card arrives computer-internal with image acquisition then, use image processing techniques that the original image that collects is handled again, extract the profile of stone material then, and calculate the large stone material plate size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102582761A CN101963494B (en) | 2010-08-20 | 2010-08-20 | Stone slab surface profile size measurement device and measurement method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102582761A CN101963494B (en) | 2010-08-20 | 2010-08-20 | Stone slab surface profile size measurement device and measurement method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101963494A true CN101963494A (en) | 2011-02-02 |
| CN101963494B CN101963494B (en) | 2012-05-30 |
Family
ID=43516470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102582761A Expired - Fee Related CN101963494B (en) | 2010-08-20 | 2010-08-20 | Stone slab surface profile size measurement device and measurement method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101963494B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052586A (en) * | 2016-07-21 | 2016-10-26 | 中国科学院自动化研究所 | Stone big board surface contour dimension obtaining system and method based on machine vision |
| CN109540025A (en) * | 2017-09-22 | 2019-03-29 | 柳州博泽科技有限公司 | A kind of good antirust property and computer based stone material patterning device |
| CN109531846A (en) * | 2017-09-22 | 2019-03-29 | 柳州博泽科技有限公司 | One kind having antirust and computer based stone material patterning device |
| CN109682296A (en) * | 2018-09-21 | 2019-04-26 | 浙江华诚工程管理有限公司 | A kind of Project Supervising scantling detection system |
| CN110696203A (en) * | 2019-11-26 | 2020-01-17 | 东莞市特艺达建材有限公司 | Stone cutting method capable of fully utilizing stone materials |
| CN112565592A (en) * | 2020-11-23 | 2021-03-26 | 聚和(天津)智能制造有限公司 | Mobile camera visual field compensation device |
| CN113989190A (en) * | 2021-09-27 | 2022-01-28 | 揭阳市合升机械石材有限公司 | Stone slab dimension machine vision measurement method applied to fixed-thickness equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20112088U1 (en) * | 2001-07-18 | 2002-01-03 | ViALUX Messtechnik + Bildverarbeitung GmbH, 09126 Chemnitz | Device for testing concrete blocks |
| CN1483999A (en) * | 2003-08-15 | 2004-03-24 | 清华大学 | Method and system for measruing object two-dimensiond surface outline |
| CN200955949Y (en) * | 2006-08-22 | 2007-10-03 | 刘守义 | Ceramic tile size and shape on-line vision measuring system |
| CN101182990A (en) * | 2007-11-30 | 2008-05-21 | 华南理工大学 | Large-sized workpieces in process geometric measuring systems based on machine vision |
-
2010
- 2010-08-20 CN CN2010102582761A patent/CN101963494B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20112088U1 (en) * | 2001-07-18 | 2002-01-03 | ViALUX Messtechnik + Bildverarbeitung GmbH, 09126 Chemnitz | Device for testing concrete blocks |
| CN1483999A (en) * | 2003-08-15 | 2004-03-24 | 清华大学 | Method and system for measruing object two-dimensiond surface outline |
| CN200955949Y (en) * | 2006-08-22 | 2007-10-03 | 刘守义 | Ceramic tile size and shape on-line vision measuring system |
| CN101182990A (en) * | 2007-11-30 | 2008-05-21 | 华南理工大学 | Large-sized workpieces in process geometric measuring systems based on machine vision |
Non-Patent Citations (1)
| Title |
|---|
| 《石材》 20100205 那丽红等 采用VC++编程对石材大板表面轮廓提取的研究 第13-16页 4-6 , 第2期 2 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052586A (en) * | 2016-07-21 | 2016-10-26 | 中国科学院自动化研究所 | Stone big board surface contour dimension obtaining system and method based on machine vision |
| CN109540025A (en) * | 2017-09-22 | 2019-03-29 | 柳州博泽科技有限公司 | A kind of good antirust property and computer based stone material patterning device |
| CN109531846A (en) * | 2017-09-22 | 2019-03-29 | 柳州博泽科技有限公司 | One kind having antirust and computer based stone material patterning device |
| CN109682296A (en) * | 2018-09-21 | 2019-04-26 | 浙江华诚工程管理有限公司 | A kind of Project Supervising scantling detection system |
| CN110696203A (en) * | 2019-11-26 | 2020-01-17 | 东莞市特艺达建材有限公司 | Stone cutting method capable of fully utilizing stone materials |
| CN112565592A (en) * | 2020-11-23 | 2021-03-26 | 聚和(天津)智能制造有限公司 | Mobile camera visual field compensation device |
| CN113989190A (en) * | 2021-09-27 | 2022-01-28 | 揭阳市合升机械石材有限公司 | Stone slab dimension machine vision measurement method applied to fixed-thickness equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101963494B (en) | 2012-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101963494B (en) | Stone slab surface profile size measurement device and measurement method thereof | |
| CN103056658B (en) | A kind of aggregation type lathe | |
| CN206146394U (en) | Stone material roughness's on -line measuring device | |
| CN102489762A (en) | Numerical control keyway milling machine and processing method thereof | |
| KR100803025B1 (en) | Rolling mill equipped with gap control device | |
| CN102095737A (en) | Single-workbench automatic detector of surface defect of flexible printed circuit board | |
| CN212823438U (en) | Based on CCD auto-parts processing cutting device | |
| CN109877689A (en) | The grinding wheel automatic cutting device of continuous circumferentially cutting cylindrical rod and compensation method | |
| CN202428016U (en) | Numerical control keyway milling machine | |
| CN208671913U (en) | One kind being based on tessellated transmission case end face large scale geometric tolerance detection device | |
| CN105486691B (en) | Automatic positioning device and method for illumination angle in steel plate surface quality detection | |
| CN106217441A (en) | A kind of have the cutting machine adjusting Cutting Length | |
| CN205656147U (en) | Image detection device of valve plate | |
| CN203764860U (en) | Cross wedge rolling mill with automatically work-piece feeding function | |
| CN204525069U (en) | A kind of lock core automatic end facing sand grinding machine | |
| CN212823483U (en) | Accurate bearing structure of wafer laser cutting | |
| CN116000701A (en) | Tool detection device and method capable of being integrated on tool magazine | |
| CN207703156U (en) | A kind of image collecting device for shaft part size | |
| CN203092673U (en) | Saw base structure of sliding table saw | |
| CN116907373A (en) | Method and device for detecting three-dimensional morphology of end part of reduced hot-rolled seamless steel tube | |
| CN202974187U (en) | Self-operated measuring apparatus for cutter | |
| CN111730112B (en) | Automatic milling device for high point of machine tool guide rail | |
| CN212734479U (en) | Auxiliary parallel device for numerical control cutting machine | |
| CN102423813B (en) | Automatic milling plane device for shaft sleeve processing | |
| CN209794214U (en) | Glass cutting device |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20160820 |