CN109926873B - Grinding and polishing device and method for non-magnetic sheet parts - Google Patents
Grinding and polishing device and method for non-magnetic sheet parts Download PDFInfo
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- CN109926873B CN109926873B CN201910072778.6A CN201910072778A CN109926873B CN 109926873 B CN109926873 B CN 109926873B CN 201910072778 A CN201910072778 A CN 201910072778A CN 109926873 B CN109926873 B CN 109926873B
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Abstract
The invention relates to a grinding and polishing device and a grinding and polishing method for non-magnetic-conductive sheet parts, wherein the grinding and polishing device comprises a machine body base, a magnetic field generating device, a clamping device, a swinging and autorotation device, a revolution motor, a screw motor and a screw rod; the revolution motor is connected with the swinging rotation device through a flange coupler and drives the swinging rotation device to rotate; clamping devices are uniformly distributed and fixed on the swinging rotation device in the radial direction, and can be inserted into the container; an output shaft of the screw motor is connected with a screw arranged inside the supporting upright post, the screw is matched with a screw slide block, and the screw slide block is fixedly connected with the revolution motor seat. The advantages are that: the machining defects such as burrs and curled edges on the edges of the thin plate parts are effectively removed by combining a plurality of mechanical movements with a magnetic grinding method, and grinding and polishing of the thin plate parts can be fully completed.
Description
Technical Field
The invention belongs to the technical field of precision machining and special machining, and particularly relates to a grinding and polishing device and method for non-magnetic sheet parts.
Background
Along with the rapid development of high-precision manufacturing industries such as electronic products, precise instruments, aerospace and the like, special-shaped thin plate parts play an important role in the production and manufacturing process. Most of the defects such as scratches, spots, burrs at edges and the like on the surface of the thin plate parts are obvious due to the limitation of the processing technology. This affects not only its aesthetics but also its service life. Such as: some thin plate parts needing electroplating and spraying, the planeness of the matrix directly influences the electroplating and spraying effects;
some semicircular surfaces, complex curved surfaces and special-shaped thin plate parts with grooves or partial hollows are difficult to finish the grooves or the hollows on the parts by the traditional method, such as: the back shell of the mobile phone mostly belongs to thin plate type parts, the demand for the thin plate type parts is continuously increased along with the rapid updating of electronic products, and the traditional grinding and polishing processing method is adopted, so that the working intensity of workers is high, and the processing efficiency is low.
Chinese patent publication No. CN108311959a discloses a non-magnetic conductive plane polishing device and polishing method, chinese patent publication No. CN103273385A discloses a surface contact magnetorheological plane polishing device with uniform magnetic field. The two devices all adopt permanent magnetic pole rotation to drive the magnetic abrasive particles to grind the surface of the workpiece, the rotating speed is high, the magnetic abrasive particles are easy to splash under the action of centrifugal force, and the permanent magnetic pole is not beneficial to rolling of the abrasive particles and updating of the cutting edge.
Chinese patent publication No. CN101767307a discloses a stainless steel sheet grinder, which can implement finishing processing on the surface of a stainless steel sheet, but cannot implement finishing processing on the parts of a sheet part with grooves or hollows and the like which are not on the same plane; chinese patent publication No. CN202985324U discloses a magnetic grinder for stamping profiled sheet edge deburring, the device can realize the removal to stamping profiled sheet part edge deburring, can't realize the finishing processing to the face and the fretwork department of profiled sheet class part simultaneously.
Meanwhile, in the prior art, the grinding device cannot sufficiently and uniformly remove burrs at edges and grooves of thin plate parts in the grinding process.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a grinding and polishing device and method for non-magnetic sheet parts, which can realize polishing and deburring of large-batch special-shaped sheet parts, particularly surface treatment of edges, edges and grooves or hollowed-out parts of the sheet parts, can improve the grinding efficiency and effectively enhance the use stability and the smoothness of the parts.
In order to achieve the above purpose, the present invention is realized by the following technical scheme:
the grinding and polishing device for the non-magnetic-conductive thin plate parts comprises a machine body base, a magnetic field generating device, a clamping device, a swinging rotation device, a revolution motor seat, a screw rod sliding block, a screw rod motor, a container, a screw rod and a supporting upright post, wherein a box body is fixedly connected to the machine body base, the magnetic field generating device is fixedly arranged on the box body, the top of the magnetic field generating device is provided with the container, and a magnetic particle brush is arranged in the container; the revolution motor is fixed on the revolution motor seat and is connected with the swinging rotation device through a flange coupler, and the revolution motor drives the swinging rotation device to rotate; clamping devices are uniformly distributed and fixed on the swinging rotation device in the radial direction, and can be inserted into the container; the bottom of the supporting upright post is fixedly connected with the machine body base, the top of the supporting upright post is fixedly provided with a screw motor, an output shaft of the screw motor is connected with a screw rod arranged inside the supporting upright post, the screw rod is matched with a screw rod sliding block, and the screw rod sliding block is fixedly connected with the revolution motor base.
The swinging autorotation device comprises an air cylinder fixing frame, a connecting shaft, a coupling, an autorotation motor fixing frame, an autorotation motor and a mini air cylinder; the rotation motor fixing frame is connected with the revolution motor through a flange coupler, the rotation motor is radially and uniformly distributed and fixed on the rotation motor fixing frame, the rotation motor is connected with a connecting shaft through a coupler, the other end of the connecting shaft is connected with the center hinge of the top of the clamping device, the middle lower section of the connecting shaft is fixedly connected with the cylinder fixing frame, the mini cylinder is fixed on the cylinder fixing frame, a piston rod of the mini cylinder is connected with the top of the clamping device, and the expansion and contraction of the piston rod of the mini cylinder realizes the swinging of the clamping device.
The clamping device comprises a vacuum sucker, a spring, a clamping device connecting end, a cylinder device connecting end, a vacuum generator and an air pipe; one end of the air pipe is connected with the vacuum generator, the other end of the air pipe is connected with the vacuum chuck, a reset spring is sleeved outside the air pipe, the middle position of the top of the vacuum generator is fixedly provided with a clamping device connecting end, the clamping device connecting end is hinged with a connecting shaft of the swinging and autorotation device, the edge position of the top of the vacuum generator is fixedly provided with an air cylinder device connecting end, and the air cylinder device connecting end is hinged with a piston rod of the mini air cylinder so as to realize swinging of the clamping device when the mini air cylinder stretches; the vacuum generator is connected with the air compressor, and the air compressor provides an air source for the vacuum generator, so that the clamping device is ensured to adsorb and clamp the workpiece.
The magnetic field generating device comprises a shell, a cooling fan, an electrical plate, an electromagnet coil, an electromagnet core and a water cooling pipe; the electromagnet coil, the water cooling pipe, the electromagnet iron core and the cooling fan are all arranged in the shell, the electromagnet coil is wound outside the electromagnet iron core, the water cooling pipe is spirally wound outside the electromagnet coil, the cooling fan is arranged on two sides of the shell, the cooling fan corresponds to the water cooling pipe, and the electric plate is fixed at the top of the shell.
The grinding and polishing device is fixed on the box body through an electromagnet fixing plate.
The magnetic particle brush is formed by mixing magnetic grinding particles with water-based grinding liquid and then adsorbing the mixture by a magnetic field generating device; the magnetic abrasive particles consist of an iron-based phase and an abrasive phase.
The swinging rotation device is more than 1 piece.
The grinding and polishing method for the non-magnetic sheet parts comprises the following steps:
1) The thin plate type parts are placed below the vacuum chuck, a power source is provided through the air compressor, and the vacuum chuck adsorbs and fixes the thin plate type parts;
2) Fully and uniformly mixing magnetic grinding particles and water-based grinding liquid, pouring the mixture into a container, enabling a water cooling pipe to be electrified, enabling a cooling fan to rotate, enabling an electromagnet to be electrified, and enabling the magnetic grinding particles to form a magnetic particle brush at the bottom of the container under the action of a magnetic field generating device;
3) The screw motor runs to drive the screw sliding block to move downwards, so as to drive the clamping device to move downwards, the thin plate type part is fully contacted with the magnetic particle brush, and the screw motor stops rotating;
4) The revolution motor and the rotation motor are started simultaneously, respectively rotate forward for 360 degrees and then rotate backward for 360 degrees, and rotate reciprocally, so that the grinding phase on the magnetic grinding particles continuously rubs and scores the surface of the thin plate part, and micro grinding of the surface of the thin plate part is realized;
5) In the grinding and polishing process, the extension and retraction of the mini cylinder are controlled, so that the swing of the clamping device is realized, the edge of the thin plate part can be sufficiently ground, burrs at the edge can be removed, and the grinding and polishing are more uniform and sufficient;
6) The electromagnet is powered off, the revolution motor and the rotation motor are stopped simultaneously, the screw motor runs, the clamping device is driven to move upwards until the thin plate part is lifted to the upper part of the container, the screw motor stops rotating, the vacuum chuck is closed, the thin plate part is taken down, one surface of the thin plate part is polished, the thin plate part is turned over, the steps are repeated, the other surface of the thin plate part is polished, and the thin plate part is polished.
Compared with the prior art, the invention has the beneficial effects that:
the invention utilizes a plurality of mechanical movements combined with a magnetic grinding method to effectively remove processing defects such as burrs, curls and the like on the edges of the thin plate parts, and can fully finish grinding and polishing the thin plate parts. Under the condition of ensuring that the autorotation workpieces do not interfere, the number of autorotation motor stations can be properly increased or decreased according to the number of the processed parts, so that the grinding efficiency is improved. The container, electromagnet and magnetic grinding particle are utilized to adsorb the magnetic grinding particle, and the workpiece rotating method solves the problem that the magnetic grinding particle splashes when the magnetic grinding particle is driven by the traditional permanent magnet pole to rotate to grind and polish the workpiece. The electromagnet is powered on and off, the grinding phase is continuously updated, and the clamping device is continuously swung in the grinding and polishing process, so that the finishing processing of semicircular surfaces, complex curved surfaces and special-shaped thin plate parts with grooves or partial hollows can be realized, and the grinding and polishing are more uniform and sufficient. The invention has simple operation and saves the labor cost.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of the structure of the swing/rotation device.
Fig. 3 is a schematic structural view of the clamping device.
Fig. 4 is a schematic structural view of the magnetic field generating device.
Fig. 5 is a view showing an abrasive polishing operation.
In the figure: the magnetic field generator comprises a machine body base 2, an electric control cabinet 3, a magnetic field generating device 4, a clamping device 5, a swinging rotation device 6, a flange coupler 7, a revolution motor 8, a revolution motor base 9, a lead screw sliding block 10, a lead screw motor 11, a container 12, a container retainer ring 13, a lead screw 14, an air compressor 15, a supporting column 16, an air cylinder fixing frame 17, a connecting shaft 18, a coupler 19, a flange plate 20, a rotation motor fixing frame 21, a rotation motor 22, a mini air cylinder 23, a vacuum chuck 24, a spring 25, a clamping device connecting end 26, an air cylinder device connecting end 27, a vacuum generator 28, an air pipe 29, a cooling fan 30, an electric plate 31, an electromagnet coil 32, an electromagnet core 33, a water cooling pipe 34, an electromagnet fixing plate 35, an iron-based phase 36, a grinding phase 37, a sheet part 38, magnetic grinding particles 39, a water-based grinding liquid 40 and a magnetic particle brush.
Detailed Description
The present invention will be described in detail below with reference to the drawings of the specification, but it should be noted that the practice of the present invention is not limited to the following embodiments.
Referring to fig. 1, a grinding and polishing device for non-magnetic-conductive thin plate parts comprises a machine body base 1, a magnetic field generating device 3, a clamping device 4, a swinging and rotating device 5, a revolution motor 7 (M3), a revolution motor seat 8, a screw rod sliding block 9, a screw rod motor 10 (M1), a container 11, a screw rod 13 and a supporting upright post 15, wherein a box body is fixedly connected to the machine body base 1, the magnetic field generating device 3 is fixed on the box body, the top of the magnetic field generating device 3 is provided with the container 11, and a magnetic particle brush 40 is arranged in the container 11; the revolution motor 7 is fixed on the revolution motor seat 8, the revolution motor 7 is connected with the swinging rotation device 5 through the flange coupler 6, and the revolution motor 7 drives the swinging rotation device 5 to rotate; clamping devices 4 are uniformly distributed and fixed on the swinging rotation device 5 in the radial direction, and the clamping devices 4 can be inserted into the container 11; the bottom of the supporting upright 15 is fixedly connected with the machine body base 1, the top of the supporting upright 15 is fixedly provided with a screw motor 10, an output shaft of the screw motor 10 is connected with a screw 13 arranged inside the supporting upright 15, the screw 13 is matched with a screw slide block 9, and the screw slide block 9 is fixedly connected with the revolution motor base 8. The lapping and polishing apparatus is secured to the housing by an electromagnet securing plate 34. The swinging and rotating device 5 is more than 1 piece to improve the grinding efficiency or enhance the clamping force. An air compressor 14 and an electric control cabinet 2 are arranged in the box body, and the electric control cabinet 2 is used for controlling the operation of the motor.
Referring to fig. 2, the swing and rotation device 5 includes a cylinder fixing frame 16, a connecting shaft 17, a coupling 18, a rotation motor fixing frame 20, a rotation motor 21 (M2), and a mini cylinder 22; the rotation motor fixing frame 20 is connected with the revolution motor 7 through a flange 19 of the flange coupler 6, the rotation motor 21 is radially and uniformly fixed on the rotation motor fixing frame 20, the rotation motor 21 is connected with the connecting shaft 17 through the coupler 18, the other end of the connecting shaft 17 is connected with the center hinge of the top of the clamping device 4, the middle lower section of the connecting shaft 17 is fixedly connected with the cylinder fixing frame 16, the mini cylinder 22 is fixed on the cylinder fixing frame 16, a piston rod of the mini cylinder 22 is connected with the top of the clamping device 4, and the expansion and contraction of the piston rod of the mini cylinder 22 realize the swinging of the clamping device 4.
Referring to fig. 3, the clamping device 4 comprises a vacuum chuck 23, a spring 24, a clamping device connecting end 25, a cylinder device connecting end 26, a vacuum generator 27 and an air pipe 28; one end of an air pipe 28 is connected with a vacuum generator 27, the other end of the air pipe 28 is connected with a vacuum chuck 23, a reset spring 24 is sleeved outside the air pipe 28, a clamping device connecting end 25 is fixed in the middle of the top of the vacuum generator 27, the clamping device connecting end 25 is hinged with a connecting shaft 17 of a swinging rotation device 5, an air cylinder device connecting end 26 is fixed in the edge position of the top of the vacuum generator 27, the air cylinder device connecting end 26 is hinged with a piston rod of a mini air cylinder 22, so that the mini air cylinder 22 stretches and contracts, and the clamping device 4 swings; the vacuum generator 27 is connected with the air compressor 14, and the air compressor 14 provides an air source for the vacuum generator 27 to ensure the adsorption and clamping of the workpiece by the clamping device 4. The spring 24 is in a contracted state when the vacuum chuck 23 adsorbs the thin plate type parts 37, and the bottom of the spring 24 is abutted against the vacuum chuck 23, so that the adsorption force of the vacuum chuck 23 is increased, and the adsorption stability is improved.
Referring to fig. 4, the magnetic field generating device 3 includes a housing, a heat radiation fan 29, an electrical board 30, an electromagnet coil 31, an electromagnet core 32, and a water cooling pipe 33; the electromagnet coil 31, the water cooling pipe 33, the electromagnet core 32 and the cooling fan 29 are all arranged in the shell, the electromagnet coil 31 is wound outside the electromagnet core 32, the water cooling pipe 33 is spirally wound outside the electromagnet coil 31, the cooling fans 29 are arranged on two sides of the shell, the cooling fans 29 correspond to the water cooling pipe 33, the electric plate 30 is fixed at the top of the shell, and the container retainer ring 12 is fixed on the electric plate 30 and used for limiting the position of the container 11.
Referring to fig. 5, the magnetic particle brush 40 is formed by mixing magnetic abrasive particles 38 with a water-based abrasive liquid 39 and then adsorbing the mixture by the magnetic field generating device 3; the magnetic abrasive particles 38 are composed of an iron-based phase 35 and an abrasive phase 36.
Referring to fig. 1-5, the grinding and polishing method for the non-magnetic sheet parts comprises the following steps:
1) The thin plate type part 37 is placed below the vacuum chuck 23, a power source is provided through the air compressor 14, and the vacuum chuck 23 adsorbs and fixes the thin plate type part 37;
2) The magnetic grinding particles 38 and the water-based grinding liquid 39 are fully and uniformly mixed and poured into the container 11, the water cooling pipe 33 is electrified, the cooling fan 29 rotates, the electromagnet is electrified, and under the action of the magnetic field generating device 3, the magnetic grinding particles 38 form a magnetic particle brush 40 at the bottom of the container 11;
3) The screw motor 10 runs to drive the screw sliding block 9 to move downwards, so as to drive the clamping device 4 to move downwards, the thin plate part 37 is fully contacted with the magnetic particle brush 40, and the screw motor 10 stops rotating;
4) The revolution motor 7 and the rotation motor 21 are started simultaneously, respectively rotate forward for 360 degrees and then rotate backward for 360 degrees, and the grinding phase 36 on the magnetic grinding particles 38 rotates reciprocally in sequence to continuously slide and scratch the surface of the thin plate part 37, so that micro grinding of the surface of the thin plate part 37 is realized;
5) In the grinding and polishing process, the extension and retraction of the mini cylinder 22 are controlled, so that the swing of the clamping device 4 is realized, the edge of the sheet part 37 can be sufficiently ground, burrs at the edge can be removed, and the grinding and polishing are more uniform and sufficient;
6) The electromagnet is powered off, the revolution motor 7 and the rotation motor 21 are stopped simultaneously, the screw motor 10 runs, the clamping device 4 is driven to move upwards until the thin plate part 37 is lifted to the position above the container 11, the screw motor 10 stops rotating, the vacuum chuck 23 is closed, the thin plate part 37 is taken down, one surface of the thin plate part 37 is polished, the thin plate part 37 is turned over, the steps are repeated, the other surface of the thin plate part 37 is polished, and the thin plate part 37 is polished.
The invention utilizes a plurality of mechanical movements combined with a magnetic grinding method to effectively remove processing defects such as burrs, curls and the like on the edges of the thin plate parts 37, and can fully finish grinding and polishing the thin plate parts 37. Under the condition of ensuring that the autorotation workpieces do not interfere, the number of stations of the autorotation motor 21 can be appropriately increased or decreased according to the number of the processed parts so as to improve the grinding efficiency. The container 11 is utilized, the electromagnet adsorbs the magnetic grinding particles 38, and the workpiece rotates, so that the problem that the magnetic grinding particles 38 splash when the traditional permanent magnet pole drives the magnetic grinding particles 38 to rotate to grind and polish the workpiece is solved. The electromagnet is powered on and off, the grinding phase 36 is continuously updated, and the clamping device 4 is continuously swung in the grinding and polishing process, so that the grinding and polishing are more uniform and sufficient. The invention has simple operation and saves the labor cost.
Claims (6)
1. The grinding and polishing device for the non-magnetic-conductive thin plate parts is characterized by comprising a machine body base, a magnetic field generating device, a clamping device, a swinging and rotating device, a revolution motor seat, a screw rod sliding block, a screw rod motor, a container, a screw rod and a supporting upright post, wherein the machine body base is fixedly connected with a box body, the magnetic field generating device is fixed on the box body, the container is arranged at the top of the magnetic field generating device, and a magnetic particle brush is arranged in the container; the revolution motor is fixed on the revolution motor seat and is connected with the swinging rotation device through a flange coupler, and the revolution motor drives the swinging rotation device to rotate; clamping devices are uniformly distributed and fixed on the swinging rotation device in the radial direction, and can be inserted into the container; the bottom of the supporting upright post is fixedly connected with the machine body base, the top of the supporting upright post is fixedly provided with a screw motor, an output shaft of the screw motor is connected with a screw arranged in the supporting upright post, the screw is matched with a screw slide block, and the screw slide block is fixedly connected with the revolution motor seat;
the swinging autorotation device comprises an air cylinder fixing frame, a connecting shaft, a coupling, an autorotation motor fixing frame, an autorotation motor and a mini air cylinder; the self-rotating motor fixing frame is connected with the revolution motor through a flange coupler, the self-rotating motor is radially and uniformly fixed on the self-rotating motor fixing frame, the self-rotating motor is connected with the connecting shaft through the coupler, the other end of the connecting shaft is connected with the center hinge at the top of the clamping device, the middle lower section of the connecting shaft is fixedly connected with the cylinder fixing frame, the mini cylinder is fixed on the cylinder fixing frame, a piston rod of the mini cylinder is connected with the top of the clamping device, and the expansion and contraction of the piston rod of the mini cylinder realizes the swinging of the clamping device;
the clamping device comprises a vacuum sucker, a spring, a clamping device connecting end, a cylinder device connecting end, a vacuum generator and an air pipe; one end of the air pipe is connected with the vacuum generator, the other end of the air pipe is connected with the vacuum chuck, a reset spring is sleeved outside the air pipe, the middle position of the top of the vacuum generator is fixedly provided with a clamping device connecting end, the clamping device connecting end is hinged with a connecting shaft of the swinging and autorotation device, the edge position of the top of the vacuum generator is fixedly provided with an air cylinder device connecting end, and the air cylinder device connecting end is hinged with a piston rod of the mini air cylinder so as to realize swinging of the clamping device when the mini air cylinder stretches; the vacuum generator is connected with the air compressor, and the air compressor provides an air source for the vacuum generator, so that the clamping device is ensured to adsorb and clamp the workpiece.
2. The grinding and polishing device for non-magnetic sheet parts according to claim 1, wherein the magnetic field generating device comprises a shell, a cooling fan, an electrical plate, an electromagnet coil, an electromagnet core and a water cooling pipe; the electromagnet coil, the water cooling pipe, the electromagnet iron core and the cooling fan are all arranged in the shell, the electromagnet coil is wound outside the electromagnet iron core, the water cooling pipe is spirally wound outside the electromagnet coil, the cooling fan is arranged on two sides of the shell, the cooling fan corresponds to the water cooling pipe, and the electric plate is fixed at the top of the shell.
3. The lapping and polishing apparatus for non-magnetically conductive sheet-like parts as claimed in claim 1, wherein the lapping and polishing apparatus is fixed to the housing by an electromagnet fixing plate.
4. The polishing device for non-magnetic sheet parts according to claim 1, wherein the magnetic particle brush is formed by mixing magnetic grinding particles with water-based grinding liquid and then adsorbing the mixture by a magnetic field generating device; the magnetic abrasive particles consist of an iron-based phase and an abrasive phase.
5. The polishing device for non-magnetic sheet parts according to claim 1, wherein the number of the swinging rotation devices is more than 1.
6. The method for grinding and polishing the non-magnetic sheet parts, which is realized by the device according to any one of claims 1 to 5, is characterized by comprising the following steps:
1) The thin plate type parts are placed below the vacuum chuck, a power source is provided through the air compressor, and the vacuum chuck adsorbs and fixes the thin plate type parts;
2) Fully and uniformly mixing magnetic grinding particles and water-based grinding liquid, pouring the mixture into a container, enabling a water cooling pipe to be electrified, enabling a cooling fan to rotate, enabling an electromagnet to be electrified, and enabling the magnetic grinding particles to form a magnetic particle brush at the bottom of the container under the action of a magnetic field generating device;
3) The screw motor runs to drive the screw sliding block to move downwards, so as to drive the clamping device to move downwards, the thin plate type part is fully contacted with the magnetic particle brush, and the screw motor stops rotating;
4) The revolution motor and the rotation motor are started simultaneously, respectively rotate forward for 360 degrees and then rotate backward for 360 degrees, and rotate reciprocally, so that the grinding phase on the magnetic grinding particles continuously rubs and scores the surface of the thin plate part, and micro grinding of the surface of the thin plate part is realized;
5) In the grinding and polishing process, the extension and retraction of the mini cylinder are controlled, so that the swing of the clamping device is realized, the edge of the thin plate part can be sufficiently ground, burrs at the edge can be removed, and the grinding and polishing are more uniform and sufficient;
6) The electromagnet is powered off, the revolution motor and the rotation motor are stopped simultaneously, the screw motor runs, the clamping device is driven to move upwards until the thin plate part is lifted to the upper part of the container, the screw motor stops rotating, the vacuum chuck is closed, the thin plate part is taken down, one surface of the thin plate part is polished, the thin plate part is turned over, the steps are repeated, the other surface of the thin plate part is polished, and the thin plate part is polished.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910072778.6A CN109926873B (en) | 2019-01-25 | 2019-01-25 | Grinding and polishing device and method for non-magnetic sheet parts |
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| CN201910072778.6A CN109926873B (en) | 2019-01-25 | 2019-01-25 | Grinding and polishing device and method for non-magnetic sheet parts |
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| CN113910004A (en) * | 2021-06-16 | 2022-01-11 | 徐德富 | Novel optical pressurization polishing device without grinding tool |
| CN113305650B (en) * | 2021-06-17 | 2022-07-01 | 广东工业大学 | Ultra-smooth planarization polishing method and device |
| CN115365897B (en) * | 2022-08-31 | 2024-01-23 | 浙江安胜科技股份有限公司 | Process and device for synchronous magnetic vibration light on inner and outer surfaces of vacuum cup based on machinery |
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| CN103495909A (en) * | 2013-10-11 | 2014-01-08 | 中国科学院光电技术研究所 | High-frequency vibration conformal machining device and method for surface of optical element |
| CN108907969A (en) * | 2018-09-21 | 2018-11-30 | 芜湖成德龙过滤设备有限公司 | A kind of edger unit and its operating method of polypropylene filter core |
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| CN109926873A (en) | 2019-06-25 |
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