CN107020562A - Reducing shaft-like workpiece automatic polishing Digit Control Machine Tool - Google Patents
Reducing shaft-like workpiece automatic polishing Digit Control Machine Tool Download PDFInfo
- Publication number
- CN107020562A CN107020562A CN201610060431.6A CN201610060431A CN107020562A CN 107020562 A CN107020562 A CN 107020562A CN 201610060431 A CN201610060431 A CN 201610060431A CN 107020562 A CN107020562 A CN 107020562A
- Authority
- CN
- China
- Prior art keywords
- planker
- emery wheel
- machine tool
- control machine
- digit control
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/16—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
A kind of reducing shaft-like workpiece automatic polishing Digit Control Machine Tool, left and right is relatively set with chuck and top on fuselage, chuck and it is top between fuselage before and after it is relative, be movably connected with planker, it is respectively articulated with or rotates against on two blocks of plankers and is connected with emery wheel and backgear, emery wheel before and after backgear with being oppositely arranged, workpiece is passed through between emery wheel and backgear, is hinged or is rotated against simultaneously together with emery wheel on the planker of side where emery wheel and is connected with grinding wheel motor, and abrasive band is connected between grinding wheel motor and emery wheel；Two blocks of plankers have been also respectively connected with nut, and the common leading screws of nut of both sides is connected with X to the two-way ball-screw of double nut, X to the two-way ball-screw of double nut rotate when two nuts in X to counter motion on the two-way ball-screw of double nut.Planker includes X to planker and Z-direction planker, and Z-direction planker is slidably connected on fuselage in left-right direction, and X is slidably connected on Z-direction planker along the longitudinal direction to planker, and emery wheel, backgear and grinding wheel motor are arranged at X on planker.
Description
Technical field
The present invention relates to a kind of Digit Control Machine Tool, more particularly to a kind of reducing shaft-like workpiece automatic polishing Digit Control Machine Tool.
Background technology
At present, automatic polishing machine of the prior art uses centreless grinding principle, mainly for Cylinder Parts, its structure is varied, technology also relative maturity, but typically relatively simple using traditional mach workpiece configurations of polishing, for the product of variable diameter shaft part（Such as javelin class shape）Not yet there is solution at present, do not research and develop targetedly.
The content of the invention
The present invention is in view of the deficienciess of the prior art, provide a kind of structurally simple, economical reliable, with strong points reducing shaft-like workpiece automatic polishing Digit Control Machine Tool, and the lathe can carry out automatic polishing to the thin and long shafts part such as cylinder, circular cone surface.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
A kind of reducing shaft-like workpiece automatic polishing Digit Control Machine Tool, including fuselage, left and right is relatively set with chuck and top on fuselage, it is characterized in that, chuck and it is top between fuselage on before and after it is relative, be movably connected with planker, it is respectively articulated with or rotates against on two blocks of plankers and is connected with emery wheel and backgear, emery wheel before and after backgear with being oppositely arranged, workpiece is passed through between emery wheel and backgear, it is hinged or rotates against simultaneously together with emery wheel on the planker of side where emery wheel and be connected with grinding wheel motor, abrasive band is connected between grinding wheel motor and emery wheel；Two blocks of plankers have been also respectively connected with nut, and the common leading screws of nut of both sides is connected with X to the two-way ball-screw of double nut, X to the two-way ball-screw of double nut rotate when two nuts in X to counter motion on the two-way ball-screw of double nut.
According to described reducing shaft-like workpiece automatic polishing Digit Control Machine Tool, it is characterised in that the chuck and it is described it is top between the fuselage on rotate against be provided with before and after the directive wheel that is correspondingly arranged, workpiece passes through in the middle of two directive wheels.
According to described reducing shaft-like workpiece automatic polishing Digit Control Machine Tool, it is characterized in that, it is hinged or rotates against on the planker and be connected with pivoting support, the emery wheel and the backgear are rotated against on pivoting support respectively, the grinding wheel motor is fixedly mounted on the pivoting support where emery wheel.
According to described reducing shaft-like workpiece automatic polishing Digit Control Machine Tool, it is characterised in that the pivoting support, which is hinged or rotated against, is connected with gyroaxis, and gyroaxis is hinged or rotated against with the planker and is connected.
According to described reducing shaft-like workpiece automatic polishing Digit Control Machine Tool, it is characterized in that, the pivoting support is up and down to be connected with rotation axis support, the emery wheel and the backgear are rotated against on each rotation axis support of place side respectively, high high adjustment screw is threaded with rotation axis support, high high adjustment screw is rotated against with pivoting support to be connected, and rotation axis support is positioned on pivoting support by high high adjustment screw.
According to described reducing shaft-like workpiece automatic polishing Digit Control Machine Tool, it is characterised in that be hinged or rotate against between the pivoting support and the gyroaxis and be connected with revolving sleeve.
According to described reducing shaft-like workpiece automatic polishing Digit Control Machine Tool, it is characterised in that the planker on the outside of the pivoting support is fixedly connected with baffle plate, provided with regulation spring between baffle plate and pivoting support.
According to described reducing shaft-like workpiece automatic polishing Digit Control Machine Tool, it is characterized in that, the planker includes X to planker and Z-direction planker, Z-direction planker is slidably connected on the fuselage in left-right direction, X is slidably connected on Z-direction planker along the longitudinal direction to planker, and the emery wheel, the backgear and the grinding wheel motor are arranged at X on planker.
According to described reducing shaft-like workpiece automatic polishing Digit Control Machine Tool, it is characterized in that, the X is connected with X to servomotor to the two-way ball-screw-transmission of double nut, X is fixedly mounted on the Z-direction planker to servomotor, X is rotated against on Z-direction planker to the two-way ball-screw of double nut, and the nut is fixedly connected on the X on planker.
Digit Control Machine Tool of the present invention realizes that polishing of the abrasive band to various rotary surfaces is ground mainly solving the technical problems that the polishing of conical surface reducing by Z, X to freely swinging for linear interpolation and abrasive band.
Digit Control Machine Tool of the present invention realizes the clamping brace to thin and long shafts parts such as javelins by the way of the top of a folder one, programme-control is carried out by numerical control programming, it is oriented in process by guider, by the abrasive band on emery wheel to javelin outside surface be processed, backgear supports javelin on emery wheel opposite, and the grinding of the polishing to javelin surface is cooperatively completed with abrasive band.The present invention is structurally simple, economical reliable, and automatic polishing can be carried out to the elongated reducing shaft-like workpiece such as cylinder, circular cone, with strong points.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the invention；
Fig. 2 is main structure diagram of the invention；
Fig. 3 is Fig. 2 A-A cross section structure diagrams；
Fig. 4 is Fig. 2 B-B cross section structure diagrams；
Fig. 5 is Fig. 2 C-C cross section structure diagrams；
Fig. 6 is the assembling schematic diagram of emery wheel in the present invention；
Fig. 7 is Fig. 6 overlooking the structure diagram；
Fig. 8 is Fig. 7 D-D cross section structure diagrams；
Fig. 9 is the assembling schematic diagram of backgear in the present invention；
Figure 10 is Fig. 9 overlooking the structure diagram；
Figure 11 is Figure 10 E-E cross section structure diagrams；
Figure 12 is the assembling schematic perspective view of emery wheel and backgear in the present invention.
In accompanying drawing：
1st, fuselage；2nd, chuck；3rd, workpiece；4th, directive wheel；5th, abrasive band；6th, grinding wheel motor；7th, emery wheel；8th, backgear；9th, it is top；10th, planker；11st, X is to servomotor；12nd, X is to the two-way ball-screw of double nut；13rd, nut；14th, gyroaxis；15th, revolving sleeve；16th, pivoting support；17th, high high adjustment screw；18th, rotation axis support；19th, spring is adjusted；20th, baffle plate.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, is not intended to limit the scope of the present invention.
A kind of reducing shaft-like workpiece automatic polishing Digit Control Machine Tool, as shown in Figures 1 to 12, including fuselage 1, left and right is relatively set with chuck 2 and top 9 on fuselage 1, it is relative before and after on fuselage 1 between chuck 2 and top 9, it has been movably connected with planker 10, it is respectively articulated with or rotates against on two blocks of plankers 10 and is connected with emery wheel 7 and backgear 8, emery wheel 7 before and after backgear 8 with being oppositely arranged, workpiece 3 is passed through between emery wheel 7 and backgear 8, it is hinged or rotates against simultaneously together with emery wheel 7 on the planker 10 of the place side of emery wheel 7 and is connected with grinding wheel motor 6, abrasive band 5 is connected between grinding wheel motor 6 and emery wheel 7；Two blocks of plankers 10 have been also respectively connected with nut 13, and the common leading screws of nut 13 of both sides is connected with X to the two-way ball-screw 12 of double nut, X to the two-way ball-screw 12 of double nut rotate when two nuts 13 in X to counter motion on the two-way ball-screw 12 of double nut.
In the present embodiment, the directive wheel 4 being correspondingly arranged before and after being provided with is rotated against on the fuselage 1 between the chuck 2 and described top 9, workpiece 3 is passed through in the middle of two directive wheels 4.It is hinged or rotates against on the planker 10 and be connected with pivoting support 16, the emery wheel 7 and the backgear 8 are rotated against on pivoting support 16 respectively, the grinding wheel motor 6 is fixedly mounted on the pivoting support 16 at the place of emery wheel 7.The pivoting support 16, which is hinged or rotated against, is connected with gyroaxis 14, and gyroaxis 14 is hinged or rotated against with the planker 10 and is connected.
The pivoting support 16 is up and down to be connected with rotation axis support 18, the emery wheel 7 and the backgear 8 are rotated against on each rotation axis support 18 of place side respectively, high high adjustment screw 17 is threaded with rotation axis support 18, high high adjustment screw 17 is rotated against with pivoting support 16 to be connected, and rotation axis support 18 is positioned on pivoting support 16 by high high adjustment screw 17.
In the present embodiment, it is hinged or rotates against between the pivoting support 16 and the gyroaxis 14 and is connected with revolving sleeve 15.The planker 10 in the outside of pivoting support 16 is fixedly connected with baffle plate 20, provided with regulation spring 19 between baffle plate 20 and pivoting support 16.The planker 10 includes X to planker and Z-direction planker, and Z-direction planker is slidably connected on the fuselage 1 in left-right direction, and X is slidably connected on Z-direction planker along the longitudinal direction to planker, and the emery wheel 7, the backgear 8 and the grinding wheel motor 6 are arranged at X on planker.The X is connected with X to servomotor 11 to the two-way ball-screw 12 of double nut, X is fixedly mounted on the Z-direction planker to servomotor 11, X is rotated against on Z-direction planker to the two-way ball-screw 12 of double nut, and the nut 13 is fixedly connected on the X on planker.
The present invention is adapted to the automatic polishing on the thin and long shafts part such as the cylinder of similar javelin, circular cone surface, and the structure economics are reliable, with strong points, and the automatic polishing on javelin surface can be realized by numerical control programming.
Prior art can not solve the polishing of conical surface reducing, and the present invention freely swings to realize that polishing of the abrasive band to various rotary surfaces is ground by Z, X to linear interpolation and abrasive band.
The present invention is in a leading screw（That is X is to the two-way ball-screw of double nut）It is upper that two nuts, and oppositely oriented, the driving wheel of two nuts are housed（That is emery wheel）And driven pulley（That is backgear）It is simultaneously close and remote, increased with this or reduce distance therebetween, suffered radial load cancels each other in polishing grinding action, makes cutting operation steady.
Grinding wheel motor drives emery wheel by abrasive band, rotates clockwise emery wheel, and javelin can be eliminated tangential force by downward tangential force by the chuck turned clockwise, reduces grinding vibrations.
Because javelin is elongated, the present invention has installed directive wheel additional, and to prevent javelin from bringing vibrations because there is knee, directive wheel can automatically adjust the distance between two directive wheels according to the diameter thickness in javelin section.
The total solution for javelin class product automate processing domestic at present, Digit Control Machine Tool of the present invention can carry out numerical control programming, realize programme-control, be conducive to industrialization production, and it is economical, environmentally friendly, efficient, reliable, it can effectively solve the problem of working environment is to workman's actual bodily harm.
The use operation of the present invention is as follows：
1st, Job readiness, digital control system open first after first by reset key, hydraulic chuck opens（That is dead-center position）And detect in place, javelin is inserted into the endoporus of chuck, javelin is located between two directive wheels, while being also clipped between emery wheel and backgear, and is held out against javelin by top.
2nd, work programming, move in the direction of the clock chuck and emery wheel, moving carriage, makes the contacts side surfaces of emery wheel and javelin, then controls X to drive X to the two-way ball screw turns of double nut to servomotor, drive X to two planker move toward one anothers, abrasive band is contacted with javelin outer surface, write down X to coordinate position, in this approach along javelin length direction be segmented successively determine Z-direction each point coordinate position, the rotating speed of chuck and the feeding parameter value of planker are selected, Z-direction and X is worked out to polishing grinding program.
3rd, polishing grinding, press loop start key, emery wheel rotates at a high speed clockwise, chuck low speed rotation clockwise, polishing grinding work starts, in the course of work, and abrasive band can be according to the taper size automatic swing of javelin diverse location, the contact with javelin surface is freely adjusted, so polishing grinding javelin is completed to finished product repeatedly.
Claims (9)
1. a kind of reducing shaft-like workpiece automatic polishing Digit Control Machine Tool, including fuselage（1）, fuselage（1）Upper left and right is relatively set with chuck（2）With it is top（9）, it is characterised in that chuck（2）With it is top（9）Between fuselage（1）It is relative before and after upper, be movably connected with planker（10）, two blocks of plankers（10）On be respectively articulated with or rotate against and be connected with emery wheel（7）And backgear（8）, emery wheel（7）With backgear（8）It is front and rear to be oppositely arranged, workpiece（3）From emery wheel（7）And backgear（8）Between pass through, emery wheel（7）The planker of place side（10）Upper and emery wheel（7）It is hinged or rotates against simultaneously together and is connected with grinding wheel motor（6）, grinding wheel motor（6）With emery wheel（7）Between be connected with abrasive band（5）；Two blocks of plankers（10）It has been also respectively connected with nut（13）, the nut of both sides（13）Common leading screw is connected with X to the two-way ball-screw of double nut（12）, X is to the two-way ball-screw of double nut（12）Two nuts during rotation（13）In X to the two-way ball-screw of double nut（12）Upper counter motion.
2. reducing shaft-like workpiece automatic polishing Digit Control Machine Tool according to claim 1, it is characterised in that the chuck（2）With it is described top（9）Between the fuselage（1）On rotate against be provided with before and after the directive wheel that is correspondingly arranged（4）, workpiece（3）From two directive wheels（4）Centre is passed through.
3. reducing shaft-like workpiece automatic polishing Digit Control Machine Tool according to claim 2, it is characterised in that the planker（10）On be hinged or rotate against and be connected with pivoting support（16）, the emery wheel（7）With the backgear（8）Rotate against respectively installed in pivoting support（16）On, the grinding wheel motor（6）It is fixedly mounted on emery wheel（7）The pivoting support at place（16）On.
4. reducing shaft-like workpiece automatic polishing Digit Control Machine Tool according to claim 3, it is characterised in that the pivoting support（16）It is hinged or rotates against and is connected with gyroaxis（14）, gyroaxis（14）With the planker（10）It is hinged or rotates against connection.
5. reducing shaft-like workpiece automatic polishing Digit Control Machine Tool according to claim 4, it is characterised in that the pivoting support（16）It is up and down to be connected with rotation axis support（18）, the emery wheel（7）With the backgear（8）The rotation axis support installed in each place side is rotated against respectively（18）On, rotation axis support（18）On be threaded with high high adjustment screw（17）, high high adjustment screw（17）With pivoting support（16）Rotate against connection, rotation axis support（18）Pass through high high adjustment screw（17）It is positioned at pivoting support（16）On.
6. reducing shaft-like workpiece automatic polishing Digit Control Machine Tool according to claim 5, it is characterised in that the pivoting support（16）With the gyroaxis（14）Between be hinged or rotate against and be connected with revolving sleeve（15）.
7. reducing shaft-like workpiece automatic polishing Digit Control Machine Tool according to claim 6, it is characterised in that the pivoting support（16）The planker in outside（10）It is fixedly connected with baffle plate（20）, baffle plate（20）With pivoting support（16）Between provided with regulation spring（19）.
8. reducing shaft-like workpiece automatic polishing Digit Control Machine Tool according to claim 7, it is characterised in that the planker（10）Including X to planker and Z-direction planker, Z-direction planker is slidably connected at the fuselage in left-right direction（1）On, X is slidably connected on Z-direction planker along the longitudinal direction to planker, the emery wheel（7）, the backgear（8）With the grinding wheel motor（6）X is arranged on planker.
9. reducing shaft-like workpiece automatic polishing Digit Control Machine Tool according to claim 8, it is characterised in that the X is to the two-way ball-screw of double nut（12）X is connected with to servomotor（11）, X is to servomotor（11）It is fixedly mounted on the Z-direction planker, X is to the two-way ball-screw of double nut（12）Rotate against on Z-direction planker, the nut（13）The X is fixedly connected on on planker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060431.6A CN107020562A (en) | 2016-01-29 | 2016-01-29 | Reducing shaft-like workpiece automatic polishing Digit Control Machine Tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060431.6A CN107020562A (en) | 2016-01-29 | 2016-01-29 | Reducing shaft-like workpiece automatic polishing Digit Control Machine Tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107020562A true CN107020562A (en) | 2017-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610060431.6A Pending CN107020562A (en) | 2016-01-29 | 2016-01-29 | Reducing shaft-like workpiece automatic polishing Digit Control Machine Tool |
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| CN (1) | CN107020562A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000256A (en) * | 2018-01-30 | 2018-05-08 | 洛阳理工学院 | A kind of bar grinding attachment of elongated shaft-like work |
| CN110202418A (en) * | 2019-05-30 | 2019-09-06 | 中国人民解放军国防科技大学 | Method for determining abrasive belt shape modification of outer circle surface of shaft part |
| CN110871397A (en) * | 2019-12-05 | 2020-03-10 | 湖州甬邦纺织品织造有限公司 | Excircle grinding device suitable for reducing shaft |
| CN111015476A (en) * | 2019-12-26 | 2020-04-17 | 芜湖通和汽车管路系统股份有限公司 | Automobile hard tube skin stripping device |
| CN111015465A (en) * | 2019-12-26 | 2020-04-17 | 芜湖通和汽车管路系统股份有限公司 | Device and method for removing automobile pipeline end sheath |
| CN114434226A (en) * | 2022-01-15 | 2022-05-06 | 温岭市大精模具有限公司 | Cylindrical grinding machine |
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| GB392536A (en) * | 1931-11-16 | 1933-05-16 | Luke And Spencer Ltd | Improvements in or relating to bar grinding and like machines |
| JPH05162015A (en) * | 1991-02-20 | 1993-06-29 | T H K Kk | Thread grinding machine with opposed grinding wheel stock |
| CN202462168U (en) * | 2012-03-15 | 2012-10-03 | 株洲时代新材料科技股份有限公司 | Two-sided abrasive belt grinding device |
| CN103331613A (en) * | 2013-06-28 | 2013-10-02 | 济南强力胶辊设备有限公司 | Numerical control rubber roll turning grinder |
| CN103341812A (en) * | 2013-06-28 | 2013-10-09 | 济南强力胶辊设备有限公司 | Rubber roller fine grinder |
| CN203330685U (en) * | 2013-05-29 | 2013-12-11 | 河南宏源液压机械制造有限公司 | Spindly shaft turning, finishing and drawing combined machine tool |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB392536A (en) * | 1931-11-16 | 1933-05-16 | Luke And Spencer Ltd | Improvements in or relating to bar grinding and like machines |
| JPH05162015A (en) * | 1991-02-20 | 1993-06-29 | T H K Kk | Thread grinding machine with opposed grinding wheel stock |
| CN202462168U (en) * | 2012-03-15 | 2012-10-03 | 株洲时代新材料科技股份有限公司 | Two-sided abrasive belt grinding device |
| CN203330685U (en) * | 2013-05-29 | 2013-12-11 | 河南宏源液压机械制造有限公司 | Spindly shaft turning, finishing and drawing combined machine tool |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000256A (en) * | 2018-01-30 | 2018-05-08 | 洛阳理工学院 | A kind of bar grinding attachment of elongated shaft-like work |
| CN110202418A (en) * | 2019-05-30 | 2019-09-06 | 中国人民解放军国防科技大学 | Method for determining abrasive belt shape modification of outer circle surface of shaft part |
| CN110202418B (en) * | 2019-05-30 | 2020-06-26 | 中国人民解放军国防科技大学 | Method for determining abrasive belt shape modification of outer circle surface of shaft part |
| CN110871397A (en) * | 2019-12-05 | 2020-03-10 | 湖州甬邦纺织品织造有限公司 | Excircle grinding device suitable for reducing shaft |
| CN110871397B (en) * | 2019-12-05 | 2020-10-09 | 湖州甬邦纺织品织造有限公司 | Excircle grinding device suitable for reducing shaft |
| CN111015476A (en) * | 2019-12-26 | 2020-04-17 | 芜湖通和汽车管路系统股份有限公司 | Automobile hard tube skin stripping device |
| CN111015465A (en) * | 2019-12-26 | 2020-04-17 | 芜湖通和汽车管路系统股份有限公司 | Device and method for removing automobile pipeline end sheath |
| CN114434226A (en) * | 2022-01-15 | 2022-05-06 | 温岭市大精模具有限公司 | Cylindrical grinding machine |
| CN114434226B (en) * | 2022-01-15 | 2022-12-23 | 温岭市大精模具有限公司 | Cylindrical grinding machine |
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