CN107116454A - Lapping device - Google Patents
Lapping device Download PDFInfo
- Publication number
- CN107116454A CN107116454A CN201710405613.7A CN201710405613A CN107116454A CN 107116454 A CN107116454 A CN 107116454A CN 201710405613 A CN201710405613 A CN 201710405613A CN 107116454 A CN107116454 A CN 107116454A
- Authority
- CN
- China
- Prior art keywords
- motor
- mounting seat
- grinding drum
- rotating shaft
- lapping 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.)
- Granted
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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/02—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels
- B24B31/027—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels with additional oscillating movement
-
- 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
Abstract
The present invention relates to a kind of lapping device, including：Frame；Wabbler mechanism, including the drive mechanism being arranged in the frame and the mounting seat being rotatably provided in the frame, the drive mechanism drive the mounting seat to swing back and forth；Rotating mechanism, is fixed in the mounting seat；Grinding drum, it is connected with the rotating mechanism, the grinding drum is used to place grinding stone, lapping liquid and workpiece to be processed, the rotating mechanism drives the grinding drum rotation, the center of rotation axis of the center of rotation axis of the mounting seat and the grinding drum has an angle, the mounting seat swing back and forth and the rotation of the grinding drum is ground the workpiece to be processed being positioned in the grinding drum.Above-mentioned lapping device, rotating mechanism and wabbler mechanism are provided with frame, the center of rotation axis of grinding drum and the center of rotation axis of mounting seat have angle, the lapping liquid in grinding drum is more being ground workpiece in all directions, and grinding efficiency is high and grinding effect is good.
Description
Technical field
The present invention relates to workpiece surface processing technology field, more particularly to a kind of lapping device.
Background technology
Middle-size and small-size product such as handset shell etc., often remains metallic bur power, burr after the machining operation, because of angle and space
It is smaller, it is impossible to which that these metallic bur powers, burr are handled, it is difficult to obtain standard compliant finished product.
The content of the invention
Based on this, it is necessary to provide a kind of high treating effect, the lapping device of product yield can be effectively improved.
A kind of lapping device, including：
Frame；
Wabbler mechanism, including the drive mechanism being arranged in the frame and the installation being rotatably provided in the frame
Seat, the drive mechanism drives the mounting seat to swing back and forth；
Rotating mechanism, is fixed in the mounting seat；And
Grinding drum, is connected with the rotating mechanism, and the grinding drum is used to place grinding stone, lapping liquid and work to be processed
Part, the rotating mechanism drives the grinding drum rotation, the center of rotation axis of the mounting seat and the rotation of the grinding drum
Central axis has an angle, the mounting seat swing back and forth and the rotation of the grinding drum makes to be positioned in the grinding drum
Workpiece to be processed is ground.
In one of the embodiments, the frame includes two branch that base, vertical spacing are arranged on the base
Support in seat, described two support bases and be embedded with clutch shaft bearing respectively, the relative both sides of the mounting seat are connected to first turn
Axle, the first rotating shaft of both sides is fixed with two clutch shaft bearings respectively, and the drive mechanism is to be fixed on the frame
The first motor that is upper and be connected with one end of first rotating shaft one of them described, first motor drives described the
One rotating shaft, mounting seat and rotating mechanism swing back and forth in predetermined angular.
In one of the embodiments, first motor is driven by gear transmission structure and the first rotating shaft
Connection, the mounting seat includes U-shaped connecting seat and the installing plate being fixed on the U-shaped connecting seat bottom wall, the rotating mechanism
It is fixed on the installing plate, the first rotating shaft is connected to the two side of the U-shaped connecting seat.
In one of the embodiments, the frame is vertically arranged with a fixed disk, the fixed disk be provided with it is described
Four proximity switches that first motor is electrically connected with, four proximity switch intervals are laid in the concentric of the fixed disk
On circle, four proximity switches include two the first proximity switches and two on the outside of described two first proximity switches
Second proximity switch, the second connecting shaft is connected with indicating arm close to the side of the fixed disk, and the indicating arm is rotated to described
The first motor is rotated round about described in during the position of the first proximity switch, and the indicating arm, which is rotated to described second, to be connect
The first motor stops operating described in during the position closely switched.
In one of the embodiments, the fixed disk along the circumferential direction offers deep-slotted chip breaker, described four close to edge
Individual proximity switch wears the deep-slotted chip breaker and is detachably connected with the fixed disk.
In one of the embodiments, two second bearing seats, described two second are arranged at intervals with the installing plate
Bearing block is embedded with second bearing respectively；The rotating mechanism includes the second motor being fixed on the installing plate, with
The shaft coupling of the output end connection of second motor, and the second rotating shaft being connected with the output end of the shaft coupling, institute
State the second rotating shaft and sequentially pass through after described two second bearings and be connected with the grinding drum.
In one of the embodiments, second rotating shaft is vertical with the first rotating shaft.
In one of the embodiments, second rotating shaft and the grinding drum eccentric setting.
In one of the embodiments, the lapping device also include respectively with first motor and described second
The electric cabinet that motor is electrically connected with, the electric cabinet is used to control first motor to drive the mounting seat rotation
The anglec of rotation and rotary speed and direction of rotation for controlling second motor.
In one of the embodiments, in addition to the electric cabinet touch-screen being connected is communicated described to set and show
The operational factor of first motor and the second motor.
Above-mentioned lapping device, is provided with rotating mechanism and wabbler mechanism in frame, the center of rotation axis of grinding drum and
The center of rotation axis of mounting seat has angle, the lapping liquid in grinding drum is more being ground workpiece in all directions, grinding
Efficiency high and grinding effect is good.
Brief description of the drawings
The dimensional structure diagram for the lapping device that Fig. 1 provides for an embodiment；
Fig. 2 is the dimensional structure diagram of another angle of lapping device shown in Fig. 1；
Fig. 3 is the overlooking the structure diagram of lapping device shown in Fig. 1；
The control interface schematic diagram of touch-screen in when Fig. 4 is the processing of lapping device shown in Fig. 1.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the better embodiment of the present invention.But, the present invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure
Plus it is thorough comprehensive.
It should be noted that when an element is considered as " connection " another element, it can be directly to separately
One element may be simultaneously present centering elements.Term as used herein " vertically ", " level ", "left", "right"
And similar statement is for illustrative purposes only, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
The arbitrary and all combination of related Listed Items.
Fig. 1, Fig. 2 are referred to, the lapping device provided according to an embodiment, including frame 100, wabbler mechanism 200, rotation
Mechanism 300 and grinding drum 400.
Overall frame 100 is in frame structure, and centre has certain accommodation space.Wabbler mechanism 200 includes being arranged on machine
Drive mechanism on frame 100 and the mounting seat 220 being rotatably provided in frame 100, drive mechanism connect with mounting seat 220
Connect, drive mechanism drive installation seat 220 swings back and forth in frame 100.Rotating mechanism 300 is fixed in mounting seat 220, grinding
Bucket 400 is connected with rotating mechanism 300, and grinding drum 400 drives built with grinding stone, lapping liquid and workpiece to be processed during attrition process
Motivation structure drive installation seat 220, rotating mechanism 300 and grinding drum 400 swing back and forth around the first center of rotation axis, rotating mechanism
300 driving grinding drums 400 rotate around the second center of rotation axis, and the first center of rotation axis has with the second center of rotation axis
Angle, mounting seat 220 swing back and forth and grinding drum 400 rotation, the workpiece being positioned in grinding drum 400 is ground liquid
Grind in all directions, reach processing request.
Referring to Fig. 1, frame 100 includes positioned at the support body 110 of bottom and two with being symmetricly set in the both sides of support body 110
Support base 120, two support bases 120 are provided with support feet and roller, each support base perpendicular to support body 110, the bottom of support body 110
120 top is provided with first bearing seat 130, first bearing seat 130 and is embedded with clutch shaft bearing (not shown).Mounting seat 220
Both sides relative along its length are connected to first rotating shaft 230, be separately fixed at both sides the of two first rotating shafts 230
On one bearing, drive mechanism includes the first motor 210, first motor 210 and one of first rotating shaft 230
One end connection, during attrition process, the first motor 210 drives first rotating shaft 230, mounting seat 220 and rotating mechanism 300 to exist
Swung back and forth in predetermined angular.
With reference to refering to Fig. 1, Fig. 2, in one embodiment, the first motor 210 passes through gear transmission structure 240 and first
Drive connection is realized in rotating shaft 230.It is provided between support body 110 and support base 120 in securing plate 140, securing plate 140 and is connected with water
The flat fixed plate 160 stretched out, is connected with reinforcement 150, the top surface of fixed plate 160 between the fixed plate 160 and securing plate 140
Transmission case 260 is provided with, the first motor 210 is fixed on the transmission case 260, and drive mechanism is provided with transmission case 260,
The output shaft of first motor 210 stretches into transmission case 260 and used cooperatively with drive mechanism, and drive mechanism has from transmission case
The power transmission shaft 261 that 260 sides are stretched out, power transmission shaft 261 is connected to drive first rotating shaft 230 to rotate with gear transmission structure 240.
Mounting seat 220 includes U-shaped connecting seat 221 and the installing plate 222 being fixed on the bottom wall of U-shaped connecting seat 221, whirler
Structure 300 is fixed on the installing plate 222.U-shaped connecting seat 221 includes bottom plate and is connected to the side plate at the relative two ends of bottom plate, side
Plate is vertical with bottom plate, and one end of first rotating shaft 230 is connected on the lateral wall of the biside plate of the U-shaped connecting seat 221.
Fig. 3 is further regarded to, the top surface of installing plate 222 is arranged at intervals with two second bearing seats 330, second bearing seat
Second bearing (not shown) is embedded with 330.Rotating mechanism 300 includes the second motor 310, shaft coupling (not shown) and the
Two rotating shafts 320, the second motor 310 is fixed on installing plate 222 and is connected by shaft coupling with the second rotating shaft 320, second
Rotating shaft 320 is sequentially passed through after two second bearings and fixed with grinding drum 400, and installing plate 222 is provided with 3rd bearing seat 340, the
3rd bearing is embedded with three bearing blocks 340, shaft coupling is connected with 3rd bearing.Grinding drum 400 is overall in hollow cylindric,
Second motor 310 is coaxially disposed with the second rotating shaft 320, the second rotating shaft 320 and the eccentric setting of grinding drum 400, makes grinding drum
400 driven by the second motor 310 after the flowing of lapping liquid is more uniformly distributed everywhere in grinding drum 400, ground beneficial to workpiece
Mill.
Referring to Fig. 1, grinding drum 400 can vacantly be set relative to mounting seat 220, in order to grinding drum 400 and second turn
Eccentric setting between axle 320.After workpiece is put into grinding drum, the lapping liquid of slightly more than grinding drum half volume can be poured into, is ground
Grinding fluid can use alumina lap liquid, and grinding stone can use the water-fast polyvinyl alcohol grinding stone of many stomatas.
Angle between first center of rotation axis and the second center of rotation axis may be configured as 90 degree, i.e. the second rotating shaft
320 are set with the perpendicular of first rotating shaft 230, in favor of the comprehensive grinding of workpiece.
In one embodiment, lapping device also includes electric cabinet 600.Electric cabinet 600 respectively with the first motor 210,
Second motor 310 is electrically connected with, and the electric cabinet 600 is used for rotary speed and the rotation side for controlling the second motor 310
To being additionally operable to control the anglec of rotation of the drive installation seat 220 of the first motor 210 and grinding drum 400, i.e., for controlling rotation
The rotating speed and rotation direction of mechanism 300 and the rocking tendency for controlling wabbler mechanism 200.
Electric cabinet 600 is held away from the lateral wall of the securing plate 140 of the side of the first motor 210.Grinding dress
Putting also includes touch-screen 700, and the touch-screen 700 is fixed on electric cabinet 600 by support bar, touch-screen 700 and electric cabinet 600
Communication connection, the operational factor for setting and showing the first motor 210 and the second motor 310, in order to basis
Actual conditions are adjusted to the attrition process of workpiece.
Referring to Fig. 1, in one embodiment, frame 100 is vertically arranged with fixed disk 500, it is provided with the fixed disk 500
Four proximity switches, four proximity switches are disposed on the concentric circles of fixed disk 500, and four proximity switches are symmetrically distributed in
The both sides of the middle vertical plane of fixed disk 500.
With reference to refering to Fig. 1 to Fig. 3, in more detail, the side connection of the support base 120 away from the first motor 210
There is above-mentioned fixed disk 500, four proximity switches include two the first proximity switches 520 and two the second proximity switches 530, two
Second proximity switch 530 is located at the outside of two the first proximity switches 520.As shown in Fig. 2 the second connecting shaft is close to fixed disk
500 side is connected with indicating arm 250, and indicating arm 250 is rotated and rotated with the second connecting shaft, when indicating arm 250 is rotated to one
During the position of the first proximity switch 520 of side, the first proximity switch 520 transmission turn signal to the first motor 210, now
First motor 210, which slows down, to be continued to rotate, until when indicating arm 250 is rotated to the second proximity switch 530, the second proximity switch
530 send stop signal to the first motor 210, and the first motor 210 stops the rotation and drives first rotating shaft 230 to phase
Anti- direction rotates.
Referring to Fig. 1, fixed disk 500 along the circumferential direction offers deep-slotted chip breaker 510 close to edge, four proximity switches are worn
If the deep-slotted chip breaker 510 and being detachably connected with fixed disk 500, i.e., position of four proximity switches on fixed disk 500 is adjustable
It is whole, lapping device is changed the amplitude that grinding drum 400 is waved according to the concrete condition of workpiece to be processed.
It is with reference to the specific operation process refering to Fig. 1, Fig. 4, workpiece attrition process：Workpiece to be processed is put into grinding drum
400, then ready grinding stone and lapping liquid are put into grinding drum 400, locking cover, in the control interface of touch-screen 700
Upper setting wobble frequency, the speed and milling time of grinding drum 400, start fully automatic mode, then press start button, with
Start the first motor 210 and the second motor 310, after the milling time of setting, take out workpiece, complete grinding,
Touch-screen 700 jumps out completion and confirms that the numeral of display in interface, production counting frame adds 1.
Manual mode can also be used, i.e., manual mode is selected on touch-screen 700, selection starts, in grinding drum 400
It can be switched in rotary course by " rotate forward and invert " button on touch-screen 700, to terminate operation, pressing " stopping " button can be at any time
Stop, can also being controlled with the rotation to grinding drum 400 and waving in east side operation JOG control assemblies.
Above-mentioned lapping device, is provided with rotating mechanism and wabbler mechanism in frame, the center of rotation axis of grinding drum and
The center of rotation axis of mounting seat has angle, the lapping liquid in grinding drum is more being ground workpiece in all directions, grinding
Efficiency high and grinding effect is good.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of lapping device, it is characterised in that including：
Frame；
Wabbler mechanism, including the drive mechanism being arranged in the frame and the mounting seat being rotatably provided in the frame,
The drive mechanism drives the mounting seat to swing back and forth；
Rotating mechanism, is fixed in the mounting seat；And
Grinding drum, is connected with the rotating mechanism, and the grinding drum is used to place grinding stone, lapping liquid and workpiece to be processed, institute
State rotating mechanism and drive the grinding drum rotation, the center of rotation axis of the mounting seat and the Pivot axle of the grinding drum
Line has an angle, the mounting seat swing back and forth and the grinding drum rotation make to be positioned over it is to be processed in the grinding drum
Workpiece is ground.
2. lapping device according to claim 1, it is characterised in that the frame includes base, vertical spacing and is arranged on
Be embedded with clutch shaft bearing in two support bases on the base, described two support bases respectively, the mounting seat it is relative two
Side is connected to first rotating shaft, and the first rotating shaft of both sides is fixed with two clutch shaft bearings respectively, the driving machine
Structure is the first motor for being fixed in the frame and being connected with one end of first rotating shaft one of them described, described first
Motor drives the first rotating shaft, mounting seat and rotating mechanism to be swung back and forth in predetermined angular.
3. lapping device according to claim 2, it is characterised in that first motor passes through gear transmission structure
It is connected with the first rotating shaft, the mounting seat includes U-shaped connecting seat and the peace being fixed on the U-shaped connecting seat bottom wall
Plate is filled, the rotating mechanism is fixed on the installing plate, and the first rotating shaft is connected to the two side of the U-shaped connecting seat.
4. lapping device according to claim 3, it is characterised in that the frame is vertically arranged with a fixed disk, described
Fixed disk is provided with four proximity switches being electrically connected with first motor, and four proximity switch intervals are laid
In on the concentric circles of the fixed disk, four proximity switches include two the first proximity switches and positioned at described two first
Two the second proximity switches on the outside of proximity switch, the second connecting shaft is connected with indicating arm close to the side of the fixed disk, institute
State indicating arm and rotate to the first motor described in during the position of first proximity switch and rotate round about, it is described to indicate
Bar, which is rotated to the first motor described in during the position of second proximity switch, to stop operating.
5. lapping device according to claim 4, it is characterised in that the fixed disk is along the circumferential direction opened close to edge
Provided with deep-slotted chip breaker, four proximity switches wear the deep-slotted chip breaker and are detachably connected with the fixed disk.
6. lapping device according to claim 3, it is characterised in that two the second axles are arranged at intervals with the installing plate
Bearing, described two second bearing seats are embedded with second bearing respectively；The rotating mechanism includes being fixed on the installing plate
The second motor, the shaft coupling being connected with the output end of second motor, and the output end with the shaft coupling
Second rotating shaft of connection, second rotating shaft is sequentially passed through after described two second bearings and is connected with the grinding drum.
7. lapping device according to claim 6, it is characterised in that second rotating shaft is vertical with the first rotating shaft.
8. lapping device according to claim 6, it is characterised in that second rotating shaft is set with the grinding drum bias
Put.
9. lapping device according to claim 6, it is characterised in that the lapping device is also included respectively with described first
The electric cabinet that motor and second motor are electrically connected with, the electric cabinet is used to control first motor
Drive the anglec of rotation of the mounting seat rotation and rotary speed and direction of rotation for controlling second motor.
10. lapping device according to claim 9, it is characterised in that tactile also including what is be connected with electric cabinet communication
Screen is touched to set and show the operational factor of first motor and the second motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710405613.7A CN107116454B (en) | 2017-06-01 | 2017-06-01 | Grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710405613.7A CN107116454B (en) | 2017-06-01 | 2017-06-01 | Grinding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107116454A true CN107116454A (en) | 2017-09-01 |
| CN107116454B CN107116454B (en) | 2019-11-05 |
Family
ID=59730047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710405613.7A Active CN107116454B (en) | 2017-06-01 | 2017-06-01 | Grinding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107116454B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705440A (en) * | 2018-05-31 | 2018-10-26 | 无锡市精密钢管有限公司 | A kind of pipe fitting grinding technics |
| CN111843810A (en) * | 2020-07-16 | 2020-10-30 | 广州大学 | Bearing steel ball surface strengthening processing method |
| CN111872836A (en) * | 2020-07-16 | 2020-11-03 | 广州大学 | Bearing steel ball surface strengthening processing equipment |
| CN112643526A (en) * | 2021-01-19 | 2021-04-13 | 江苏力星通用钢球股份有限公司 | High-precision bearing steel ball polishing production process for 5G or 6G communication field |
| CN114211386A (en) * | 2021-11-15 | 2022-03-22 | 日铭电脑配件(上海)有限公司 | Grinding and polishing equipment |
| CN116945029A (en) * | 2023-09-21 | 2023-10-27 | 四川中达龙丁五金制造有限公司 | Polishing device for nail shooting processing |
| CN114211386B (en) * | 2021-11-15 | 2024-05-10 | 日铭电脑配件(上海)有限公司 | Grinding and polishing equipment |
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| CN102398205A (en) * | 2011-11-04 | 2012-04-04 | 313000浙江湖磨抛光磨具制造有限公司 | Tilting-type roller polisher machine |
| CN102909640A (en) * | 2012-11-09 | 2013-02-06 | 昆山市大金机械设备厂 | Swing-type polishing device |
| CN103144018A (en) * | 2013-04-01 | 2013-06-12 | 厦门市金泰金工贸有限公司 | Grinding machine |
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| CN205734362U (en) * | 2016-06-17 | 2016-11-30 | 昆山博通机械设备有限公司 | Octahedral ground and cleaned drum equipment |
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| CN101410223A (en) * | 2006-03-30 | 2009-04-15 | 旭技术株式会社 | Vertically shaking working device |
| CN102398205A (en) * | 2011-11-04 | 2012-04-04 | 313000浙江湖磨抛光磨具制造有限公司 | Tilting-type roller polisher machine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705440A (en) * | 2018-05-31 | 2018-10-26 | 无锡市精密钢管有限公司 | A kind of pipe fitting grinding technics |
| CN111843810A (en) * | 2020-07-16 | 2020-10-30 | 广州大学 | Bearing steel ball surface strengthening processing method |
| CN111872836A (en) * | 2020-07-16 | 2020-11-03 | 广州大学 | Bearing steel ball surface strengthening processing equipment |
| CN111843810B (en) * | 2020-07-16 | 2021-06-29 | 广州大学 | Bearing steel ball surface strengthening processing method |
| CN112643526A (en) * | 2021-01-19 | 2021-04-13 | 江苏力星通用钢球股份有限公司 | High-precision bearing steel ball polishing production process for 5G or 6G communication field |
| CN114211386A (en) * | 2021-11-15 | 2022-03-22 | 日铭电脑配件(上海)有限公司 | Grinding and polishing equipment |
| CN114211386B (en) * | 2021-11-15 | 2024-05-10 | 日铭电脑配件(上海)有限公司 | Grinding and polishing equipment |
| CN116945029A (en) * | 2023-09-21 | 2023-10-27 | 四川中达龙丁五金制造有限公司 | Polishing device for nail shooting processing |
| CN116945029B (en) * | 2023-09-21 | 2023-11-28 | 四川中达龙丁五金制造有限公司 | Polishing device for nail shooting processing |
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| Publication number | Publication date |
|---|---|
| CN107116454B (en) | 2019-11-05 |
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