CN109048581A - A kind of wheel hub grinding device - Google Patents
A kind of wheel hub grinding device Download PDFInfo
- Publication number
- CN109048581A CN109048581A CN201811006791.3A CN201811006791A CN109048581A CN 109048581 A CN109048581 A CN 109048581A CN 201811006791 A CN201811006791 A CN 201811006791A CN 109048581 A CN109048581 A CN 109048581A
- Authority
- CN
- China
- Prior art keywords
- tensioning
- wheel hub
- sanding belt
- cylinder
- grinding device
- 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
- 238000005498 polishing Methods 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
-
- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
-
- 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
Abstract
The invention discloses a kind of wheel hub grinding devices, including sanding unit and rotating base, the grinding device includes U-shaped fixed plate, it is tensioned sliding block, sanding belt delivery apparatus, sanding belt clamping cylinder and tensioning cylinder, the rotating base includes wheel hub mounting table, rotation tensioning and rotating electric machine, the upper end of the U-shaped fixed plate offers robot chain interface, and tensioning cylinder fixed block is fixedly installed in the middle part of U-shaped fixed plate, the middle position of the tensioning cylinder and tensioning cylinder fixed block is provided with conversion block, and tensioning cylinder is flexibly connected by conversion block with tensioning cylinder fixed block, the lower end of the U-shaped fixed plate is installed with guide rail vertically, the vertical lower end of the guide rail, for wheel hub to be polished.The present invention can meet the polishing needs of difference cylinder in conjunction with the use of robot by being provided with the advantages of a series of structure makes the present apparatus in use and can have both mobile polishing and fixed polishing.
Description
Technical field
The present invention relates to wheel hub processing unit (plant) technical field, specially a kind of wheel hub grinding device.
Background technique
Existing portable grinder, by manual operation, during polishing, if operator's manipulation is uneven, it will smooth
Article surface grind pit, fixed workpiece polishing mechanism pays attention to the finishing and surface polishing treatment of workpiece, existing fixed polishing
Wheel hub is fixed on pedestal by mechanism, is then polished with grinding wheel, can not be applicable in various sizes of wheel hub polishing, be given user
It makes troubles.
Summary of the invention
The purpose of the present invention is to provide a kind of wheel hub grinding devices, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of wheel hub grinding device, including sanding unit
And rotating base, the grinding device include U-shaped fixed plate, tensioning sliding block, sanding belt delivery apparatus, sanding belt clamping cylinder with
Tensioning cylinder, the rotating base include that wheel hub mounting table, rotation tensioning and rotating electric machine, the upper end of the U-shaped fixed plate are opened
Equipped with robot chain interface, and tensioning cylinder fixed block is fixedly installed in the middle part of U-shaped fixed plate, the tensioning cylinder and tensioning
The middle position of cylinder fixed block is provided with conversion block, and tensioning cylinder is connected by conversion block and the activity of tensioning cylinder fixed block
It connects, guide rail is installed in the lower end of the U-shaped fixed plate vertically, and the vertical lower end of the guide rail is wheel hub to be polished, the tensioning gas
The front end of cylinder piston rod is connected with tensioning sliding block, and the tensioning sliding block can be driven by tensioning cylinder and put down vertically along guide rail
Face moves up and down.The tensioning front shroud is fixed on tensioning sliding block, integral relationship.Because tensioning sliding block height is higher than U-board side
Face, tensioning front shroud are not rubbed, and ensure that tensioning sliding block is free to slide.Tensioning front shroud is fixed in polishing tensioning front end
Lower end, replaceable tensioning rubber.The outer surface of the tensioning sliding block is fixedly installed with tensioning front shroud, and is tensioned under front shroud
End is movably installed with polishing tensioning front end, and the lower end of the sanding belt is movably installed with tensioning rubber, the U-shaped fixed plate it is outer
Surface is disposed with sanding belt delivery apparatus, sanding belt guiding axis and sanding belt clamping cylinder from top to bottom, and the U-shaped is fixed
One side external surface of plate is disposed with the fixed cylinder of guide collar, sanding belt delivery apparatus and sanding belt, the polishing from top to bottom
It is provided with sanding belt above unit and updates wheel, the top activity of the sanding belt delivery apparatus, which runs through, is equipped with sanding belt.
By using above-mentioned technical proposal, being provided with a series of structure makes the present apparatus that can have both shifting in use
The advantages of dynamic formula polishing and fixed polishing, the polishing needs of difference cylinder can be met in conjunction with the use of robot.
Preferably, the quantity of the rotation tensioning is three, and rotates and be tensioned placement in equilateral triangle.
By using above-mentioned technical proposal, the quantity of the rotation tensioning of setting, which is three, just can accurately sense wheel hub
Just it is voluntarily tensioned.
Preferably, the revolving speed of the rotating electric machine is 1000r/m.By using above-mentioned technical proposal, the electric rotating of setting
The revolving speed of machine is that 1000r/m can drive rotating base to rotate.And best effects can be reached.
Preferably, the polishing strip length is 700mm.Wheel hub buffed surface is hollow concentric structure.
By using above-mentioned technical proposal, the polishing strip length of setting is that 700mm just can be successively back and forth to cooperate wheel hub
It is rotated on rotating base.
Preferably, the hub radius range that the grinding device can polish is 17.5 inches -22.5 inches.
By using above-mentioned technical proposal, hub radius range that the grinding device of setting can polish is 17.5 inches-
22.5 inches of polishing needs that can satisfy difference cylinder.
Preferably, the rotation tensioning is fixedly mounted on the edge of wheel hub mounting table.
By using above-mentioned technical proposal, the rotation tensioning of setting can sense that wheel hub is just voluntarily tensioned.
In conclusion the invention has the following advantages:
Sanding belt is driven from hub edge by robot and moves press horizontal mobile to hub centre, successively back and forth to cooperate wheel hub revolving
Turn to rotate on pedestal, wheel hub is polished, after being polished to setting time, rotating base stops operating, and rotation tensioning is unclamped, machine
Device people drives sanding unit to remove, and keeps feeding robot overturning wheel hub enabled, and after robot overturns wheel hub, rotation tensioning is again
Stationary hub, tensioning cylinder retraction, sanding belt clamping cylinder retraction, sanding belt update wheel rotation and update sanding belt, and two sides are beaten
Grinding belt clamping cylinder clamps sanding belt, and sanding belt re-tensioning, sanding belt operating position are seen as water from depression angle by tensioning cylinder
It lays flat and is placed in wheel hub buffed surface, perpendicular to the vertical radius of wheel hub, sanding belt is driven from wheel hub one side edge level by robot and moved
The dynamic hub centre that passes through is to another side edge of wheel hub, successively back and forth to cooperate wheel hub to rotate on rotating base, with what is set
Time polishes wheel hub, and successively back and forth, to cooperate wheel hub to rotate on rotating base, wheel hub is polished, can be uniform by wheel hub
Polishing, grinding efficiency is higher and is able to satisfy the processing needs of different model wheel hub.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 combines view with tensioning sliding block for tensioning cylinder of the invention；
Fig. 3 is that polishing tensioning front end of the invention combines view with tensioning rubber.
In figure: 1, rotating base；2, rotation tensioning；3, sanding belt updates wheel；4, polishing tensioning front end；5, sanding belt clamps
Cylinder；6, tensioning cylinder；7, it is tensioned rubber；8, it is tensioned sliding block；9, sanding belt；10, guide rail；11, sanding belt delivery apparatus.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " rear end ",
The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Please refer to Fig. 1-3, a kind of embodiment provided by the invention: a kind of wheel hub grinding device, including sanding unit and
Rotating base 1, grinding device include U-shaped fixed plate, tensioning sliding block 8, sanding belt delivery apparatus 11, sanding belt clamping cylinder 5 with
Tensioning cylinder 6 is provided with sanding belt above sanding unit and updates wheel 3, and rotating base 1 includes wheel hub mounting table, rotation tensioning 2
With rotating electric machine, the upper end of U-shaped fixed plate offers robot chain interface, and tensioning is fixedly installed in the middle part of U-shaped fixed plate
The middle position of cylinder fixed block, tensioning cylinder 6 and tensioning cylinder fixed block is provided with conversion block, and tensioning cylinder 6 is by turning
Block is changed to be flexibly connected with tensioning cylinder fixed block, the lower end of U-shaped fixed plate offers guide rail 10, the lower end of guide rail 10 be provided with to
Polishing wheel hub, the front end of 6 piston rod of tensioning cylinder are movably installed with tensioning sliding block 8, and the outer surface of tensioning sliding block 8 is fixedly installed with
Be tensioned front shroud, and be tensioned front shroud lower end be movably installed with polishing tensioning front end 4, the outer surface of U-shaped fixed plate on to
Under be disposed with sanding belt delivery apparatus 11, sanding belt guiding axis and sanding belt clamping cylinder 5, U-shaped fixed plate side appearance
Face is disposed with the fixed cylinder of guide collar, sanding belt delivery apparatus 11 and sanding belt, sanding belt delivery apparatus 11 from top to bottom
Top activity through being equipped with sanding belt 9.
Further, the quantity of rotation tensioning 2 is three, and rotates 2 placements in equilateral triangle of tensioning, the rotation of setting
Tight 2 quantity, which is three, just can accurately sense that wheel hub is just voluntarily tensioned.
Further, the revolving speed of rotating electric machine is 1000r/m, and the revolving speed of the rotating electric machine of setting is that 1000r/m just can band
Dynamic rotating base 1 rotates.
Further, 9 length of sanding belt is 700mm, and 9 length of sanding belt of setting is that 700mm just can be successively back and forth to match
Wheel hub is closed to rotate on rotating base 1.
Further, the hub radius range that grinding device can polish is 17.5 inches -22.5 inches, the grinding device of setting
The hub radius range that can be polished is 17.5 inches -22.5 inches polishing needs that can satisfy difference cylinder.
Further, rotation tensioning 2 is fixedly mounted on the upper end of wheel hub mounting table, and the rotation tensioning 2 of setting can sense
Wheel hub is just voluntarily tensioned.
It should be noted that the present invention is a kind of wheel hub grinding device, in use, when feeding robot places wheel hub
In on rotating base 1, the rotation tensioning 2 of setting senses that wheel hub is just voluntarily tensioned, while blowing robot returns to initial position,
The sanding belt of setting, which updates wheel 3 rotation and turns to not used sanding belt 9 by sanding belt delivery apparatus 11, have been set
Distance, and the sanding belt 9 for being placed on polishing tensioning front end 4 updates, while also control 6 piston rod of tensioning cylinder starts to jack,
Tensioning apparatus entirety slide downward is driven to be tensioned rubber 7 for sanding belt 9 to push tensioning sliding block 8 to slide on guide rail 10
Tensioning just controls two sides sanding belt clamping cylinder 5 and clamps sanding belt 9, make sanding belt 9 after sanding belt 9 updates wheel rotation
Polishing, after robot takes sanding unit to prior designed position, the rotating base 1 of setting is started turning, sanding belt 9 from
Depression angle is seen as being placed horizontally at wheel hub buffed surface, and perpendicular to the vertical radius of wheel hub, sanding belt (9) is driven by robot from wheel hub
One side edge is moved horizontally by hub centre to another side edge of wheel hub, successively back and forth to cooperate wheel hub on rotating base 1
Rotation, wheel hub is polished, and after being polished to setting time, rotating base 1 stops operating, and rotation tensioning 2 is unclamped, robot band
Dynamic sanding unit is removed, and keeps feeding robot overturning wheel hub enabled, and after robot overturns wheel hub, rotation tensioning 2 is retightened
Wheel hub, tensioning cylinder 6 bounce back, and sanding belt clamping cylinder 5 bounces back, and sanding belt updates 3 rotation of wheel and updates sanding belt 9, and two sides are beaten
Grinding belt clamping cylinder 5 clamps sanding belt 9, and tensioning cylinder 6 is by 9 re-tensioning of sanding belt, and 9 operating position of sanding belt is in terms of depression angle
To be placed horizontally at wheel hub buffed surface, perpendicular to the vertical radius of wheel hub, sanding belt (9) is driven by robot from wheel hub one side edge
It moves horizontally by hub centre to another side edge of wheel hub, successively back and forth to cooperate wheel hub to rotate on rotating base 1, to set
The time set, wheel hub is polished, the functionality of its own will be effectively increased, it is more practical.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of wheel hub grinding device, including sanding unit and rotating base (1), it is characterised in that: the grinding device packet
Include U-shaped fixed plate, tensioning sliding block (8), sanding belt delivery apparatus (11), sanding belt clamping cylinder (5) and tensioning cylinder (6), institute
Stating rotating base (1) includes that wheel hub mounting table, rotation tensioning (2) and rotating electric machine, the upper end of the U-shaped fixed plate are preset organic
Device human chain interface, and tensioning cylinder fixed block is fixedly installed in the middle part of U-shaped fixed plate, the tensioning cylinder (6) and tensioning gas
The middle position of cylinder fixed block is provided with conversion block, and tensioning cylinder (6) is connected by conversion block and the activity of tensioning cylinder fixed block
It connects, the lower end of the U-shaped fixed plate is preset with guide rail (10), the vertical lower end of the guide rail (10) guide rail, for wait polish
Wheel hub, the front end of tensioning cylinder (6) piston rod are movably installed with tensioning sliding block (8), the outer surface of tensioning sliding block (8)
It is fixedly installed with tensioning front shroud, and the lower end for being tensioned front shroud is movably installed with polishing tensioning front end (4), the polishing tensioning
The lower end of front end (4) is movably installed with tensioning rubber (7), and the outer surface of the U-shaped fixed plate is disposed with from top to bottom to be beaten
Grinding belt delivery apparatus (11), sanding belt guiding axis and sanding belt clamping cylinder (8), one side external surface of U-shaped fixed plate is from upper
It is disposed with the fixed cylinder of guide collar, sanding belt delivery apparatus (11) and sanding belt under, is set above the sanding unit
It is equipped with sanding belt and updates wheel (3), the top activity of the sanding belt delivery apparatus (11), which runs through, sanding belt (9).
2. a kind of wheel hub grinding device according to claim 1, it is characterised in that: the quantity of the rotation tensioning (2)
It is three, and rotates tensioning (2) placement in equilateral triangle.
3. a kind of wheel hub grinding device according to claim 1, it is characterised in that: the revolving speed of the rotating electric machine is
1000r/m。
4. a kind of wheel hub grinding device according to claim 1, it is characterised in that: it is described to be tensioned by rubber, in wheel hub
Sanding belt (9) length of surface workmanship is 700mm.
5. a kind of wheel hub grinding device according to claim 1, it is characterised in that: the wheel that the grinding device can polish
Hub radius is 17.5 inches -22.5 inches.
6. a kind of wheel hub grinding device according to claim 1, it is characterised in that: the fixed peace of rotation tensioning (2)
Mounted in wheel hub mounting table edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811006791.3A CN109048581A (en) | 2018-08-31 | 2018-08-31 | A kind of wheel hub grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811006791.3A CN109048581A (en) | 2018-08-31 | 2018-08-31 | A kind of wheel hub grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109048581A true CN109048581A (en) | 2018-12-21 |
Family
ID=64758898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811006791.3A Pending CN109048581A (en) | 2018-08-31 | 2018-08-31 | A kind of wheel hub grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109048581A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146431A (en) * | 2021-04-22 | 2021-07-23 | 潍坊科技学院 | Automobile wheel hub makes surface treatment processing machinery |
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|---|---|---|---|---|
| JPH04135156A (en) * | 1990-09-25 | 1992-05-08 | Sanshin:Kk | Work polishing machine |
| JPH1044019A (en) * | 1996-07-30 | 1998-02-17 | Nissan Motor Co Ltd | Sanding head pressure mechanism for coated film surface sanding device |
| JP2008093740A (en) * | 2006-10-06 | 2008-04-24 | Lasertec Corp | Projection defect repair device |
| US20120135668A1 (en) * | 2010-11-26 | 2012-05-31 | Masayuki Nakanishi | Method of polishing a substrate using a polishing tape having fixed abrasive |
| CN103158058A (en) * | 2011-12-08 | 2013-06-19 | 住友橡胶工业株式会社 | Polishing apparatus and conductive roller for image forming apparatus polished by polishing apparatus |
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| CN204584915U (en) * | 2015-01-30 | 2015-08-26 | 东莞劲胜精密组件股份有限公司 | A kind of section difference grinding apparatus |
| CN204819066U (en) * | 2015-07-03 | 2015-12-02 | 黄其清 | Evenly economize material type commutator abrasive band polishing mechanism |
| CN205309990U (en) * | 2015-08-31 | 2016-06-15 | 温州金石机器人科技有限公司 | A grinding head for installing sand belt |
| CN105945691A (en) * | 2016-06-29 | 2016-09-21 | 重庆大学 | Abrasive belt grinding device for molded surface precision consistency |
| CN106078085A (en) * | 2016-06-07 | 2016-11-09 | 嘉兴福可吉精密机械有限公司 | A kind of processing technology of hub bearing |
| CN206241802U (en) * | 2016-12-02 | 2017-06-13 | 安徽汇泰车轮有限公司 | A kind of imitative aluminium alloy steel wheel hub polishing all-in-one |
| CN107081663A (en) * | 2017-05-18 | 2017-08-22 | 湖北工业大学 | A kind of flexible automatically grinding belt sander |
| CN209223777U (en) * | 2018-08-31 | 2019-08-09 | 苏州康克莱自动化科技有限公司 | A kind of wheel hub grinding device |
-
2018
- 2018-08-31 CN CN201811006791.3A patent/CN109048581A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04135156A (en) * | 1990-09-25 | 1992-05-08 | Sanshin:Kk | Work polishing machine |
| JPH1044019A (en) * | 1996-07-30 | 1998-02-17 | Nissan Motor Co Ltd | Sanding head pressure mechanism for coated film surface sanding device |
| JP2008093740A (en) * | 2006-10-06 | 2008-04-24 | Lasertec Corp | Projection defect repair device |
| US20120135668A1 (en) * | 2010-11-26 | 2012-05-31 | Masayuki Nakanishi | Method of polishing a substrate using a polishing tape having fixed abrasive |
| CN103158058A (en) * | 2011-12-08 | 2013-06-19 | 住友橡胶工业株式会社 | Polishing apparatus and conductive roller for image forming apparatus polished by polishing apparatus |
| CN204019285U (en) * | 2014-06-17 | 2014-12-17 | 浙江跃岭股份有限公司 | Wheel hub automatically grinding system |
| CN204262931U (en) * | 2014-10-22 | 2015-04-15 | 蒋剑锋 | A kind of vertical small-sized cast member surface grinding machine |
| CN204584915U (en) * | 2015-01-30 | 2015-08-26 | 东莞劲胜精密组件股份有限公司 | A kind of section difference grinding apparatus |
| CN204819066U (en) * | 2015-07-03 | 2015-12-02 | 黄其清 | Evenly economize material type commutator abrasive band polishing mechanism |
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| CN113146431A (en) * | 2021-04-22 | 2021-07-23 | 潍坊科技学院 | Automobile wheel hub makes surface treatment processing machinery |
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