CN104802079B - A kind of quick sanding apparatus for processing clutch Moving plate rubbing surface - Google Patents
A kind of quick sanding apparatus for processing clutch Moving plate rubbing surface Download PDFInfo
- Publication number
- CN104802079B CN104802079B CN201510223238.5A CN201510223238A CN104802079B CN 104802079 B CN104802079 B CN 104802079B CN 201510223238 A CN201510223238 A CN 201510223238A CN 104802079 B CN104802079 B CN 104802079B
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- CN
- China
- Prior art keywords
- splined shaft
- moving plate
- frame
- clutch moving
- clamping
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- 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.)
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of quick sanding apparatus for processing clutch Moving plate rubbing surface, including frame and motor, workpiece polishing mechanism with motor drive connection is set in frame, workpiece polishing mechanism side is provided with the rotating mechanism of rotatable splined shaft, frame is provided with the clamping device with rotating mechanism homonymy, have on clamping device and splined shaft coaxial line and rotatably clamp termination, clamping termination can move along splined shaft axis direction towards splined shaft.Compared with prior art, clutch Moving plate is nested with splined shaft by the way of suit, mobile clamping termination offsets so that by the firm clamping of clutch Moving plate frame therebetween with splined shaft, installation rate is improve, while clutch Moving plate can follow splined shaft to rotate again, clutch Moving plate can do asynchronous rotation simultaneously with grinding wheel in polishing, improve polishing effect, the present invention has high in machining efficiency, easy to operate, production safety, reliable advantage.
Description
【Technical field】
It is particularly a kind of for processing clutch Moving plate rubbing surface the present invention relates to the technical field of clutch process equipment
Quick sanding apparatus.
【Background technology】
Clutch is widely used with machine driven system, such as automobile, crane, and its structure includes that belt pulley is total
Into, coil and sucker, belt wheel assembly is main Moving plate, and sucker is clutch plate.When using, belt wheel assembly is by its internal axle
Hold on the housing of compressor, coil is fixedly mounted on the housing of compressor and positioned at the coil groove of belt wheel assembly
Interior, when the coil is energized, the suction piece on sucker is attracted, so as to coil direction run and with belt wheel assembly end contact,
Using the rubbing action of rubbing surface in the rubbing surface and sucker of belt pulley, belt wheel assembly has imparted power to sucker, sucker
As belt pulley is rotated together, so that drive compressor main shaft to rotate by the wheel hub of sucker, when coil losing electricity, suffered by suction piece
The attraction that arrives disappears, the suction piece resilience of sucker in the presence of spring leaf, so that both depart from, belt pulley just can not be
Power passes to compressor main shaft.
In order to improve the frictional force of rubbing surface, it is necessary to the friction plate of driving disc spacing pressing and clutch plate is beaten on polishing stone
Mill, makes it obtain more coarse surface, and in the prior art, generally by the way of manual polishing, operator is hand-held to be treated
The driving disc spacing pressing or clutch plate of polishing near the grinding wheel that rotation at a high speed is driven by motor, obtain more with rough surface into
Product.Its process is higher to operating personnel's skill set requirements, and processing efficiency is extremely low, simultaneously because friction plate thickness is smaller,
Operator is difficult to grip, so that processing is not safe enough, easily causes the accident.
【The content of the invention】
The purpose of the present invention is exactly to solve the problems of the prior art, is proposed a kind of for processing clutch Moving plate rubbing surface
Quick sanding apparatus, be capable of mechanization grips clutch Moving plate to be processed, and it is polished, improve processing
Efficiency, it is ensured that production safety.
To achieve the above object, the present invention proposes a kind of quick polishing for processing clutch Moving plate rubbing surface and fills
Put, including frame and motor, the workpiece polishing mechanism with motor drive connection is set in the frame, set in the frame
There is the fountain head towards workpiece polishing mechanism, the workpiece polishing mechanism side is provided with the rotating mechanism of rotatable splined shaft, splined shaft
Middle band spline one end is stretched out from the rotating mechanism for being set with clutch Moving plate, and the frame is provided with same with rotating mechanism
The clamping device of side, has on the clamping device and splined shaft coaxial line and rotatably clamps termination, the clamping termination
Can be moved towards splined shaft along splined shaft axis direction, the movement clamping termination can move clutch so that being combined with splined shaft
Plate rail is clamped between both sides.After such scheme, clutch Moving plate is nested with splined shaft by the way of suit,
Mobile clamping termination offsets so as to by clutch Moving plate frame, firmly clamping therebetween, changes prior art with splined shaft
Middle fixture is fixed or hand-held mode, improves installation rate, while clutch Moving plate can follow splined shaft to rotate again, in polishing
When clutch Moving plate can simultaneously do asynchronous rotation with grinding wheel, improve polishing effect, compared with prior art, greatly improve
Processing efficiency, while also make production more safe and reliable.
Preferably, the rotating mechanism includes a pair of the bases, roller bearing and the described flower that are disposed in frame
Key axle, roller bearing two ends warp beam is held and is rotatably arranged on base, and roller bearing one end is stretched out from the base, and the splined shaft is removable
On the external part installed in roller bearing for unloading.Splined shaft is used to be attached in the splined hole at clutch Moving plate center, using above-mentioned knot
After structure, roller bearing can be rotated on base, and roller bearing is used to drive mounted clutch Moving plate to rotate, and realizes the clutch in polishing
Device Moving plate can do nonsynchronous rotational motion with grinding wheel, improve polishing effect, and splined shaft is used and is detachably fixed, by not
Same specification clutch Moving plate changes various sizes of splined shaft so that using more flexibly, improve the range of work.
Preferably, the clamping device includes the second fixed seat, the cylinder being fixed in frame and described clamping
Termination, level opens up a through hole in second fixed seat, and one is slidably installed in the through hole with sliding sleeve, and the sliding sleeve closes on
Splined shaft one end rotates connection clamping termination, and its other end is connected with cylinder, and the sliding sleeve can reciprocatingly slide in through hole.
Cylinder is slided in promoting the through hole for sliding over the second fixed seat, so that control clamping termination to be drawn close to splined shaft, until both phases
Support, so as to clutch Moving plate be gripped therebetween, rotating the clamping termination of connection can follow clutch Moving plate to turn
It is dynamic, have the advantages that rational in infrastructure.
Preferably, being arranged with rotation connecting seat on the sliding sleeve, rotate warp beam in connecting seat and forward dynamic connection bare terminal end
Head, the top ends of the splined shaft set the cross bearing pin for stretching out, and clamping head top part end face is set and the cross
Bearing pin shape correspondence is available for the cotter way that it is inserted.Clamping termination by bearing realize rotate connection, cross bearing pin after movement and
Cotter way is combined so that clamping termination can follow splined shaft to rotate common driving clutch Moving plate and rotate, and make its rotation more steady
It is fixed.
Preferably, the workpiece polishing mechanism includes fixed seat, rotary shaft and grinding wheel, the rotary shaft is rotatably installed in solid
In reservation, and the two ends of the rotary shaft are stretched out from the fixed seat, and rotary shaft one end is connected with grinding wheel, its other end warp
Belt pulley and motor drive connection.Motor drives rotary shaft to rotate, so as to drive grinding wheel to rotate, is tied with driving
Structure is reasonable, reliable advantage.
Preferably, connecting the enclosing cover for covering and putting above grinding wheel in the fixed seat, the fountain head is from fixed seat
Stretch out and towards the grinding wheel, grinding wheel lower section is provided with rhone.Fountain head is sprayed water for grinding wheel, plays cooling effect
Really, while preventing Mars from producing again, enclosing cover can play the effect of blocking in polishing, after preventing cooling water from following grinding wheel to rotate
Spluttering, rhone is used to discharge cooling water, work top is kept cleaning.
Preferably, the splined shaft is provided with extension of the diameter less than the splined shaft, the extension and spline
Axle forms limited step.Due to driving disc spacing pressing and clutch plate in order to improve driving disc spacing pressing or clutch plate be connected thereto part connection it is strong
Degree, by setting a limiting stand in the splined hole of the heart wherein, after such scheme, extension stretches out from splined hole,
Limited step is prevented from clutch Moving plate and axial displacement occurs when rotating with clamping termination, plays position-limiting action.
Preferably, the workpiece polishing mechanism and motor are fixed in adjustment plate, the adjustment plate is through displacement freqency fine adjustment machine
Structure is connected in frame, the movement adjustment plate can make the buffed surface of grinding wheel be fixed on splined shaft and clamp on termination from
Clutch Moving plate correspondence.By adjustment plate can accurate adjustment grinding wheel contacted with rubbing surface to be processed, while after grinding wheel is worn and torn,
Carry out bit shift compensation, it is ensured that machining accuracy and stability.
Preferably, the displacement micro-adjusting mechanism includes the teeth groove being arranged in frame and with cogged adjustment axle, institute
State adjustment axle to be connected in adjustment plate, its gear is engaged with the teeth groove, adjustment axle one end is provided with swing handle.Adjusted by rotating
Bearing can be such that gear is moved in teeth groove, so as to realize that adjustment plate is moved, realize bit shift compensation, it is ensured that machining accuracy.
Preferably, the roller bearing is provided with belt pulley, the synchronized band motor of drive connection second of belt pulley.
Roller bearing is driven using independent, realizes the asynchronous rotation with grinding wheel, and enhancing polishing effect improves processing efficiency.
Beneficial effects of the present invention：Compared with prior art, clutch Moving plate is nested with splined shaft by the way of suit
On, mobile clamping termination offsets so as to by clutch Moving plate frame, firmly clamping therebetween, is changed existing with splined shaft
Fixture is fixed or hand-held mode in technology, improves installation rate, while clutch Moving plate can follow splined shaft to rotate again,
Clutch Moving plate can simultaneously do asynchronous rotation with grinding wheel during polishing, improve polishing effect, and the present invention has processing efficiency
Height, easy to operate, production safety, reliable advantage.
Feature of the invention and advantage will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is front view of the invention；
Fig. 2 is top view of the invention；
Fig. 3 is sectional view at A in Fig. 2；
Fig. 4 is the structural representation of splined shaft in the present invention；
In figure：1- frames, 2- motors, 3- fountain heads, 4- splined shafts, 41- extensions, 42- limited steps, 5- clampings
Termination, 6- bases, 7- roller bearings, the belt pulleys of 71- second, the motors of 72- second, the fixed seats of 8- second, 9- cylinders, 10- through holes,
11- sliding sleeves, 12- rotate connecting seat, 13- crosses bearing pin, 14- cotter ways, 15- fixed seats, 16- rotary shafts, 17- grinding wheels, 18- skins
Outside belt wheel, 19- rhones, 20- adjustment plates, 21- teeth groove, 22- gears, 23- adjustment axle, 24- swing handles, 25- base plates, 26-
Lid.
【Specific embodiment】
Refering to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention includes frame 1 and motor 2, is finely tuned through displacement in the frame 1
Mechanism slips set the workpiece polishing mechanism with the drive connection of motor 2, and the frame 1 is provided with the fountain head towards workpiece polishing mechanism
3, the workpiece polishing mechanism side is provided with the rotating mechanism of rotatable splined shaft 4, and band spline one end is from described turn in splined shaft 4
Stretched out in motivation structure for being set with clutch Moving plate, the frame 1 is provided with the clamping device with rotating mechanism homonymy, clamping machine
Structure and rotating mechanism are located at the homonymy of workpiece polishing mechanism, have on the clamping device and the coaxial line of splined shaft 4 and rotatable folder
Hold termination 5, the clamping termination 5 can move along the axis direction of splined shaft 4 towards splined shaft 4, the movement clamping termination 5 so that
Being combined with splined shaft 4 can grip therebetween clutch Moving plate frame.
Specifically, the rotating mechanism includes a pair of the bases 6, roller bearing 7 and the described flower that are disposed in frame 1
Key axle 4, the two ends warp beam of the roller bearing 7 is held in the gap being rotatably arranged in the middle of this pair of base 6, and roller bearing 7 is near workpiece polishing mechanism one
End is stretched out from the base 6, and the splined shaft 4 is detachably arranged on the external part of roller bearing 7.The roller bearing 7 is provided with
Two belt pulleys 71, second motor of the synchronized band drive connection of the second belt pulley 71 72.
Specifically, the clamping device includes the second fixed seat 8, cylinder 9 and described clamping termination 5, the clamping
Mechanism is fixed on base plate 25, and the second fixed seat 8 is located along the same line with base 6, and level is opened up in second fixed seat 8
One is slidably installed in one through hole 10, the through hole 10 with sliding sleeve 11, the sliding sleeve 11 closes on the one end of splined shaft 4 and rotates connection clip
Termination 5 is held, its other end is connected with cylinder 9, the sliding sleeve 11 can reciprocatingly slide in through hole 10.Covered on the sliding sleeve 11
Rotation connecting seat 12 is provided with, is rotated through bearing bare terminal end first 5 in connecting seat 12, so that clamping termination 5 is in rotatable setting, institute
State the top end face of splined shaft 4 and the cross bearing pin 13 for stretching out is set, the clamping top ends of termination 5 are set and the cross bearing pin
13 shapes are available for the cotter way 14 that it is inserted, and the cotter way 14 is cross.The splined shaft 4 is provided with diameter less than the splined shaft
4 extension 41, the extension 41 forms limited step 42 with splined shaft 4, and cross bearing pin 13 is located on the end face of extension 41,
The end face diameter for clamping termination 5 forms round platform more than its own diameter.
Specifically, workpiece polishing mechanism be arranged in parallel with rotating mechanism and clamping device, the workpiece polishing mechanism include fixed seat 15,
Rotary shaft 16 and grinding wheel 17, the rotary shaft 16 are rotatably installed in fixed seat 15, and the rotary shaft 16 two ends from institute
State and stretch out in fixed seat 15, rotary shaft 16 is connected near the one end of splined shaft 4 with grinding wheel 17, grinding wheel 17 be located at splined shaft 4 and
Between clamping termination 5, its other end is through belt pulley 18 and the drive connection of motor 2.Lid is connected in the fixed seat 15 to put
The enclosing cover 26 of the top of grinding wheel 17, the fountain head 3 stretches out and towards the grinding wheel 17 from fixed seat 15, under grinding wheel 17
Side is provided with rhone 19, and the rhone 19 extends to the edge of frame 1 from the lower section of grinding wheel 17 through bending.
Specifically, the workpiece polishing mechanism and motor 2 are fixed in adjustment plate 20, the adjustment plate 20 is finely tuned through displacement
Mechanism is connected in frame 1, and the movement adjustment plate 20 can make the buffed surface of grinding wheel 17 and be fixed on splined shaft 4 and bare terminal end
Clutch Moving plate correspondence on first 5.The displacement micro-adjusting mechanism includes the teeth groove 21 being arranged in frame 1 and with gear 22
Adjustment axle 23, the adjustment axle 23 is connected in adjustment plate 20, and its gear 22 is engaged with the teeth groove 21, adjusts one end of axle 23
Stretched out from the bottom surface of base plate 25 and be provided with swing handle 24.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (4)
1. a kind of quick sanding apparatus for processing clutch Moving plate rubbing surface, including frame (1) and motor (2), institute
The workpiece polishing mechanism set in frame (1) with motor (2) drive connection is stated, the frame (1) is provided with towards workpiece polishing mechanism
Fountain head (3), it is characterised in that：The workpiece polishing mechanism side is provided with the rotating mechanism of rotatable splined shaft (4), spline
Band spline one end is stretched out from the rotating mechanism for being set with clutch Moving plate in axle (4), and the frame (1) is provided with and turns
The clamping device of motivation structure homonymy, has on the clamping device and splined shaft (4) coaxial line and rotatably clamps termination
(5), the clamping termination (5) can be mobile towards splined shaft (4) along splined shaft (4) axis direction, the movement clamping termination (5)
So that combined with splined shaft (4) can grip therebetween clutch Moving plate frame, the rotating mechanism sets including interval
A pair of bases (6) in frame (1), roller bearing (7) and described splined shaft (4) are put, roller bearing (7) two ends warp beam is forwarded
Dynamic to be arranged on base (6), roller bearing (7) one end is stretched out from the base (6), and the splined shaft (4) is detachably arranged in rolling
On the external part of axle (7), the clamping device includes the second fixed seat (8), the cylinder (9) being fixed in frame (1) and institute
The clamping termination (5) stated, level is opened up and is slidably installed in a through hole (10), the through hole (10) on second fixed seat (8)
One carries sliding sleeve (11), and the sliding sleeve (11) is closed on splined shaft (4) one end and rotates connection clamping termination (5), its one end and cylinder
(9) it is connected, the sliding sleeve (11) can be reciprocatingly slided in through hole (10), and rotation connecting seat is arranged with the sliding sleeve (11)
(12), rotate connecting seat (12) interior warp beam and forward dynamic connection clamping termination (5), clamping termination (5) top end face set to
The cross bearing pin (13) of outer extension, splined shaft (4) top ends set and are available for what it was inserted with cross bearing pin (13) shape
Cotter way (14), the splined shaft (4) is provided with extension (41) of the diameter less than the splined shaft (4), the extension (41)
Limited step (42) is formed with splined shaft (4), the workpiece polishing mechanism and motor (2) are fixed in adjustment plate (20), described
Adjustment plate (20) is connected in frame (1) through displacement micro-adjusting mechanism, and the movement adjustment plate (20) can make beating for grinding wheel (17)
Flour milling is corresponding with the clutch Moving plate being fixed on splined shaft (4) and clamping termination (5), and the displacement micro-adjusting mechanism includes setting
Teeth groove (21) in frame (1) and the adjustment axle (23) with gear (22), adjustment axle (23) are connected to adjustment plate
(20) on, its gear (22) is engaged with the teeth groove (21), and adjustment axle (23) one end is provided with swing handle (24).
2. a kind of quick sanding apparatus for processing clutch Moving plate rubbing surface as claimed in claim 1, it is characterised in that：
The workpiece polishing mechanism includes fixed seat (15), rotary shaft (16) and grinding wheel (17), and the rotary shaft (16) is rotatably installed in solid
In reservation (15), and the two ends of the rotary shaft (16) are stretched out from the fixed seat (15), rotary shaft (16) one end and polishing
Wheel (17) connection, its other end is through belt pulley (18) and motor (2) drive connection.
3. a kind of quick sanding apparatus for processing clutch Moving plate rubbing surface as claimed in claim 2, it is characterised in that：
Lid is connected on the fixed seat (15) and puts enclosing cover (26) above grinding wheel (17), the fountain head (3) is from fixed seat (15)
In stretch out and towards the grinding wheel (17), grinding wheel (17) lower section is provided with rhone (19).
4. a kind of quick sanding apparatus for processing clutch Moving plate rubbing surface as claimed in claim 1, it is characterised in that：
The roller bearing (7) is provided with the second belt pulley (71), and the synchronized band drive connection second of the second belt pulley (71) drives electricity
Machine (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223238.5A CN104802079B (en) | 2015-05-05 | 2015-05-05 | A kind of quick sanding apparatus for processing clutch Moving plate rubbing surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223238.5A CN104802079B (en) | 2015-05-05 | 2015-05-05 | A kind of quick sanding apparatus for processing clutch Moving plate rubbing surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104802079A CN104802079A (en) | 2015-07-29 |
| CN104802079B true CN104802079B (en) | 2017-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510223238.5A Active CN104802079B (en) | 2015-05-05 | 2015-05-05 | A kind of quick sanding apparatus for processing clutch Moving plate rubbing surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104802079B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826422B (en) * | 2017-01-22 | 2019-03-05 | 北京理工大学珠海学院 | A kind of automation grinding machine hand |
| CN106737184A (en) * | 2017-02-21 | 2017-05-31 | 李广连 | A kind of motor shaft continuous polishing device |
| CN107121379B (en) * | 2017-05-12 | 2019-11-26 | 靖江市金舟船舶器材有限公司 | The online Corrosion monitoring instrument of oil product copper sheet and its application method |
| CN107932256A (en) * | 2017-10-30 | 2018-04-20 | 重庆市璧山区合成机械制造有限公司 | Clutch Moving plate sanding apparatus |
| CN112643409A (en) * | 2020-12-23 | 2021-04-13 | 华蓥政前机械制造有限公司 | Motorcycle clutch center sleeve grinding process |
| CN114211323A (en) * | 2021-12-17 | 2022-03-22 | 巨石集团有限公司 | Polishing device |
| CN117102971B (en) * | 2023-08-31 | 2024-02-09 | 龙泉市中泰汽车空调有限公司 | Automobile air conditioner clutch surface grinding process |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0626530A (en) * | 1992-06-23 | 1994-02-01 | Aisin Chem Co Ltd | Method for polishing clutch plate |
| JP2001269834A (en) * | 2000-03-24 | 2001-10-02 | Okuma Corp | Machine tool |
| CN201604071U (en) * | 2010-03-31 | 2010-10-13 | 南京白鹿科技有限公司 | Metallographical polishing machine |
| CN202491156U (en) * | 2012-03-16 | 2012-10-17 | 天津泰通机械加工有限公司 | Burnishing device for polishing two side edges of brake frame |
| CN202462148U (en) * | 2012-03-16 | 2012-10-03 | 天津泰通机械加工有限公司 | Polishing device for polishing inner side edge of brake bracket |
| CN103223635B (en) * | 2013-05-20 | 2015-11-18 | 庆云华泰橡胶制品有限公司 | Junked tire renovation grinding apparatus |
| CN103278130B (en) * | 2013-05-27 | 2016-05-25 | 杭州电子科技大学 | A kind of clutch friction plate testing flatness equipment and using method thereof |
| CN204108767U (en) * | 2014-09-05 | 2015-01-21 | 浙江俊博汽车部件有限公司 | A kind of bilateral sanding apparatus for clutch components processing |
| CN204448652U (en) * | 2014-12-26 | 2015-07-08 | 浙江瑞虹空调配件有限公司 | A kind of brush dust equipment of clutch coil housing |
| CN204584964U (en) * | 2015-05-05 | 2015-08-26 | 龙泉市中泰汽车空调有限公司 | A kind of quick sanding apparatus for processing clutch Moving plate rubbing surface |
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2015
- 2015-05-05 CN CN201510223238.5A patent/CN104802079B/en active Active
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| CN104802079A (en) | 2015-07-29 |
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Denomination of invention: A Fast Grinding Device for Machining the Friction Surface of the Clutch Moving Disc Effective date of registration: 20221206 Granted publication date: 20170616 Pledgee: Longquan Branch of China Construction Bank Co.,Ltd. Pledgor: LONGQUAN ZHONGTAI AUTO AIR CONDITIONER Co.,Ltd. Registration number: Y2022330003504 |