CN114905368B - Device and method for processing fixed abrasive particles in discontinuous areas of precision spheres - Google Patents
Device and method for processing fixed abrasive particles in discontinuous areas of precision spheres Download PDFInfo
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- CN114905368B CN114905368B CN202210619656.6A CN202210619656A CN114905368B CN 114905368 B CN114905368 B CN 114905368B CN 202210619656 A CN202210619656 A CN 202210619656A CN 114905368 B CN114905368 B CN 114905368B
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- 239000002245 particle Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000000227 grinding Methods 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 12
- 238000003754 machining Methods 0.000 claims description 11
- 239000006061 abrasive grain Substances 0.000 claims description 9
- 229910001018 Cast iron Inorganic materials 0.000 claims description 8
- 230000002572 peristaltic effect Effects 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000007767 bonding agent Substances 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 238000003756 stirring Methods 0.000 description 4
- 239000004005 microsphere Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 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
- B24B11/00—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor
- B24B11/02—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls
- B24B11/04—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls involving grinding wheels
- B24B11/06—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls involving grinding wheels acting by the front faces, e.g. of plane, grooved or bevelled shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- 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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The device and the method for processing the fixed abrasive particles in the discontinuous area of the precise sphere comprise a base station, wherein a grinder driver is arranged in the base station and drives a groove disc to rotate, a V-shaped groove is formed in the groove disc, and the processed sphere is distributed in the V-shaped groove; the two sides of the top of the base station are provided with a gantry bracket, the gantry bracket is provided with a ball screw, a pressure sensor, an elastic connecting piece and a discontinuous area fixed abrasive particle disc from top to bottom in sequence, and the lower end surface of the discontinuous area fixed abrasive particle disc is abutted against the outer surface of a processed sphere in the groove disc; the ball screw is rotated and adjusted downwards, the lower end face of the non-continuous area fixed abrasive disc applies load to the processed ball in the groove, and meanwhile, the grinder driver drives the groove disc to rotate, so that the processed ball is processed with high precision and high consistency; the invention adopts the non-continuous area fixed abrasive disc to replace the flat grinding disc on the traditional sphere processing equipment, and the non-continuous area fixed abrasive disc is matched with the groove disc, so that the invention is applicable to processing spheres with different sizes and different precision by different fixed abrasive block materials and loading pressures.
Description
Technical Field
The invention relates to the technical field of sphere precision machining, in particular to a device and a method for machining fixed abrasive particles in a discontinuous region of a precision sphere.
Background
The high-precision sphere has extremely important application in high-end equipment, instruments and meters, aerospace, national defense weapons, nuclear industry and other high-end high-precision fields. The traditional ultra-precise sphere machining mode is a machining mode of combining a flat disc and a concentric circle V-shaped groove disc, the full envelope of a sphere grinding track is realized by means of a stirring device, sphere roundness and surface roughness are improved, but the machining mode is low in machining efficiency, the stirring motion effect of the stirring device is uncontrolled, and on the basis of the probability of stirring, the precision consistency of the machined spheres is poor, and the high-precision spheres are sorted out by sorting, so that the yield is low.
The processing effect of the sphere and the like can be improved based on the eccentric circle processing mode derived from the processing mode, but the full envelope of the processing track sphere can not be realized; the full envelope of the spherical surface of the processing track can be realized by the processing mode of the sphere self-rotation angle active control, but the processing mode has high requirement on the precision of processing equipment and is not suitable for processing microspheres with small sizes.
Therefore, there is an urgent need for a processing device and a processing method for precision spheres, which can meet the requirements of spheres or even microspheres of various sizes, can realize the full envelope of the sphere of the processing track during processing, and has high precision and high consistency.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a device and a method for processing fixed abrasive particles in a discontinuous region of a precision sphere, wherein the precision of the processed sphere is high in consistency.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the device for processing the fixed abrasive particles in the discontinuous area of the precise sphere comprises a base station, wherein a grinder driver is arranged in the base station and drives a groove disc to rotate, a V-shaped groove with a curve is formed in the groove disc, and a sphere to be processed is arranged in the V-shaped groove; the two sides of the top of the base station are provided with a gantry bracket, the gantry bracket is provided with a ball screw, a pressure sensor, an elastic connecting piece and a discontinuous area fixed abrasive particle disc from top to bottom in sequence, and the lower end surface of the discontinuous area fixed abrasive particle disc is abutted to the outer surface of a processed sphere in the groove disc.
As a preferred embodiment of the present invention, the non-continuous area fixed abrasive grain disc comprises a grooved cast iron disc and a plurality of fixed abrasive grain blocks embedded on the grooved cast iron disc in a fan-shaped interval.
In a preferred embodiment of the present invention, the fixed abrasive grain block is formed by sintering abrasive grains such as alumina, carbon carbide, diamond, etc. and a binder such as ceramic, metal, resin, etc.
As a preferable scheme of the invention, a through hole is arranged in the center of the abrasive disc, an abrasive liquid conveying pipe is communicated with the through hole, and the abrasive liquid conveyed to the through hole in the abrasive liquid conveying pipe is extracted from an abrasive liquid barrel by a peristaltic pump.
As a preferable mode of the present invention, the top-view trajectory of the V-groove is a curve, and the curve is optimally designed according to the sphere processing convergence efficiency.
As a preferable scheme of the invention, the groove disc is driven by a grinder driver to rotate at a constant speed by a fixed shaft.
As a preferable scheme of the invention, a hand wheel is arranged on the ball screw, and the rotation of the hand wheel controls the ball screw to move up and down.
The method for processing the fixed abrasive particles in the discontinuous areas of the precision spheres comprises the following steps:
step A: placing the processed ball into a V-shaped groove of a groove disc, regulating the ball screw down until a pressure sensor reaches a specified parameter, fixing the abrasive disc in a discontinuous area to pressurize the processed ball, and driving the groove disc to rotate at a constant speed by a grinder driver so as to drive the processed ball to roll in the V-shaped groove;
And (B) step (B): the grinding fluid is pumped from the grinding fluid barrel by a peristaltic pump and is led between the non-continuous area fixed abrasive disc and the groove disc through the through hole in the center of the non-continuous area fixed abrasive disc;
Step C: in the rolling process of the processed sphere, the fixed abrasive particle blocks of the fixed abrasive particle disc in the discontinuous area and the grinding liquid are used for grinding and removing the surface of the processed sphere together.
In a preferred embodiment of the present invention, the abrasive slurry introduced during the machining process also sharpens the fixed abrasive grains of the fixed abrasive grain disk in the discontinuous region.
In the step C, the rotation movement posture of the processed ball body is changed aperiodically by the fixed abrasive blocks which are distributed on the fixed abrasive disc in the discontinuous area at intervals.
The beneficial effects of the invention are as follows:
1. The invention can be suitable for the ultra-precise high-consistency batch processing of various spheres with different sizes including microspheres, and has simple equipment, low cost and convenient maintenance.
2. According to the invention, the non-continuous area fixed abrasive disc is adopted to replace a flat abrasive disc on the traditional sphere processing equipment, and is matched with the groove disc, so that the non-continuous area fixed abrasive disc is suitable for processing spheres with different sizes in high precision and high consistency through different fixed abrasive block materials and loading pressures.
3. According to the invention, the fixed abrasive blocks distributed at intervals on the fixed abrasive disc in the discontinuous region enable the autorotation movement gesture of the processed sphere to be changed aperiodically, so that the grinding track of the processed sphere is diffused and fully envelops the whole sphere, and the roundness of the processed sphere is further converged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of the structure of a non-continuous area fixed abrasive disk;
FIG. 3 is a schematic view of the structure of a V-groove;
reference numerals in the drawings: 1. the grinding machine comprises a grinding machine driver 2, a base station 3, a groove disc 4, a processed sphere 5, a non-continuous area fixed abrasive particle disc 6, an elastic connecting piece 7, a pressure sensor 8, a gantry bracket 9, a ball screw 10, a hand wheel 11, a grinding fluid conveying pipe 12, a peristaltic pump 13, a grinding fluid barrel 14, a grooved cast iron disc 15, a fixed abrasive particle block 16, a through hole 17 and a V-shaped groove.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
1-3, The device for processing the fixed abrasive particles in the discontinuous area of the precision sphere comprises a base station 2, wherein a grinder driver 1 is arranged in the base station 2, the grinder driver 1 drives a groove disc 3 to rotate, a V-shaped groove 17 is formed in the top of the groove disc 3, and a sphere 4 to be processed is arranged in the V-shaped groove 17; the two sides of the top of the base station 2 are provided with a gantry bracket 8, the gantry bracket 8 is provided with a ball screw 9, a pressure sensor 7, an elastic connecting piece 6 and a discontinuous area fixed abrasive particle disc 5 from top to bottom, one end of the pressure sensor 7 is in threaded connection with the bottom of the ball screw 9, the other end of the pressure sensor 7 is in threaded connection with the top of the elastic connecting piece 6, the elastic connecting piece 6 is connected with the discontinuous area fixed abrasive particle disc 5 through a circumferentially arranged stud, a circumferentially arranged stud is sleeved with a spring, the spring ensures stable processing load, and the lower end face of the discontinuous area fixed abrasive particle disc 5 is in contact with the outer surface of a processed ball 4 in the groove disc 3 and pressurizes the processed ball 4.
The ball screw 9 is rotated and adjusted downwards, the lower end face of the non-continuous area fixed abrasive particle disc 5 applies load to the processed ball 4 in the groove disc 3, and meanwhile, the grinder driver 1 drives the groove disc 3 to rotate, so that the processed ball is processed with high precision and high consistency.
The non-continuous area fixed abrasive particle disc 5 comprises a grooved cast iron disc 14 and a plurality of fixed abrasive particle blocks 15, wherein the fixed abrasive particle blocks 15 are embedded on the grooved cast iron disc 14 at fan-shaped intervals; the fixed abrasive particle block 15 can be a grinding wheel block sintered by abrasive particles such as alumina, carbon carbide, diamond and the like and bonding agents such as ceramics, metal, resin and the like, and the fixed abrasive particle block 15 can be replaced by fixed abrasive particle blocks of different material types according to the surface quality and precision requirements of the processed sphere 4.
The center of the non-continuous area fixed abrasive particle disc 5 is provided with a through hole 16, the through hole 16 is communicated with an abrasive liquid conveying pipe 11, the abrasive liquid conveyed to the through hole 16 in the abrasive liquid conveying pipe 11 is pumped from an abrasive liquid barrel 13 by a peristaltic pump 12, and the abrasive liquid is matched with the non-continuous area fixed abrasive particle disc 5 to wash micro-cuttings on the surface of a processed sphere 4, and meanwhile, the abrasive liquid plays a role in dressing and lubricating fixed abrasive particle blocks, and the grinding efficiency is improved.
The top view track of the V-shaped groove 17 is a curve, the curve function is optimally designed according to the sphere processing convergence efficiency, in fig. 3, an eccentric circle is formed by the V-shaped groove 17 and the groove disc 3, the diameter and the eccentric distance of the V-shaped groove 17 can be adjusted according to practical situations, and of course, the top view track of the V-shaped groove 17 can be set to other specific curves.
The groove disc 3 is driven by the grinder driver 1 to rotate at constant speed with a fixed shaft, so that the processed ball 4 in the groove disc 3 is ensured to rotate stably.
The top of ball screw 9 installs hand wheel 10, the rotation of hand wheel 10 controls ball screw 9 and reciprocates, further controls the discontinuous regional fixed abrasive grain dish 5 to be processed spheroid 4 pressure, realizes the different requirement processing of lapping and lapping of spheroid 4, and this pressure numerical value is shown through pressure sensor 7, makes things convenient for user's actual regulation.
The method for processing the fixed abrasive particles in the discontinuous areas of the precision spheres comprises the following steps:
Step A: placing the processed ball 4 into a groove track 17 of the groove disc 3, regulating the ball screw 9 downwards until the pressure sensor 7 reaches a specified parameter, pressurizing the processed ball 4 by the fixed abrasive disc 5 in the discontinuous area, and driving the groove disc 3 to rotate at a constant speed by the grinder driver 1 so as to drive the processed ball 4 to roll in the groove track 17;
And (B) step (B): the grinding fluid is pumped from a grinding fluid barrel 13 by a peristaltic pump 12 and is led between the non-continuous area fixed abrasive disc 5 and the groove disc 3 through a through hole 16 in the center of the non-continuous area fixed abrasive disc 5;
Step C: during the rolling process of the processed ball 4, the fixed abrasive particle blocks 15 of the non-continuous area fixed abrasive particle disc 5 and the grinding liquid grind and remove the surface of the processed ball 4, and during the processing process, the introduced grinding liquid sharpens the fixed abrasive particle blocks of the non-continuous area fixed abrasive particle disc; in the step C, the fixed abrasive blocks 15 distributed at intervals on the fixed abrasive disc 5 in the discontinuous area cause the rotation movement of the processed sphere 4 to change aperiodically, that is, the rotation direction of the processed sphere 4 is suddenly changed due to the sudden change of the lateral friction force, so that the grinding track of the processed sphere 4 fully envelopes the whole sphere, and the roundness of the processed sphere 4 is further converged.
In this example, the material of the processed ball 4 is bearing steel, the diameter is 1.5mm, the number is 80, and the initial precision of the processed ball 4 is G10. The processing is divided into rough grinding and fine grinding, wherein the fixed abrasive particle blocks 15 on the non-continuous area fixed abrasive particle disc 5 used in rough grinding are 1000# alumina abrasive materials, the groove curves on the groove disc 3 used are eccentric circles with the diameter of 110 mm and the eccentric distance of 18 mm, and the grinding liquid adopts 15% of W5 alumina kerosene grinding liquid by mass fraction. During rough grinding, the hand wheel 10 is rotated to enable the non-continuous area fixed abrasive particle disc 5 to be pressed down to load the ball 4 to be processed, the loading pressure is 1.2N/ball, the groove disc 3 rotates at a constant speed of 50rpm during rough grinding, and after 3 hours of processing, the roundness of the ball 4 to be processed is reduced to 0.11-0.17 mu m.
The fixed abrasive particle blocks 15 on the non-continuous area fixed abrasive particle disc 5 adopted in lapping are 1500# alumina abrasive, and the grinding fluid adopts 15% of W5 alumina kerosene grinding fluid by mass fraction; the groove curve on the groove disk used was an eccentric circle with a diameter of 110 mm and an eccentricity of 18 mm. The loading pressure is 1.0N/ball, the grooved disk 3 rotates at a constant speed of 30rpm during lapping, and after 5 hours of processing, the roundness of the processed ball 4 is reduced to about 0.08 mu m and is stable.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: 1. grinder driver, 2, base station, 3, grooved disc, 4, processed sphere, 5, non-continuous area fixed abrasive disc, 6, elastic connector, 7, pressure sensor, 8, gantry bracket, 9, ball screw, 10, hand wheel, 11, grinding fluid conveying pipe, 12, peristaltic pump, 13, grinding fluid barrel, 14, grooved cast iron disc, 15, fixed abrasive particle block, 16, through hole, 17, V-shaped groove, etc., but the possibility of using other terms is not excluded; these terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (7)
1. Precise sphere's discontinuous region anchor abrasive particle processingequipment, its characterized in that: the grinding machine comprises a base station (2), wherein a grinding machine driver (1) is arranged in the base station (2), the grinding machine driver (1) drives a groove disc (3) to rotate, a V-shaped groove (17) which is curved is formed in the groove disc (3), the V-shaped groove (17) and a top view track of the groove disc (3) form an eccentric circle, and a processed ball body (4) is distributed in the V-shaped groove (17); the two sides of the top of the base station (2) are provided with a gantry bracket (8), the gantry bracket (8) is sequentially provided with a ball screw (9), a pressure sensor (7), an elastic connecting piece (6) and a discontinuous area fixed abrasive particle disc (5) from top to bottom, the top of the ball screw (9) is provided with a hand wheel (10), the rotation of the hand wheel (10) controls the ball screw (9) to move up and down, the discontinuous area fixed abrasive particle disc (5) is further controlled to apply pressure to a processed ball body (4), the rough grinding and the finish grinding of the processed ball body (4) are realized, different requirements of processing are met, and the pressure value is displayed through the pressure sensor (7); the lower end face of the discontinuous area fixed abrasive particle disc (5) is in contact with the outer surface of the processed ball body (4) in the groove disc (3), the discontinuous area fixed abrasive particle disc (5) comprises a grooved cast iron disc (14) and a plurality of fixed abrasive particle blocks (15), and the fixed abrasive particle blocks (15) are embedded in the grooved cast iron disc (14) at fan-shaped intervals.
2. The precision sphere discontinuous region fixed abrasive particle machining apparatus according to claim 1, wherein: the fixed abrasive particle blocks (15) are made of aluminum oxide or diamond abrasive particles and ceramic or metal or resin bonding agents through sintering.
3. The precision sphere discontinuous region fixed abrasive particle machining apparatus according to claim 1, wherein: a through hole (16) is arranged in the center of the non-continuous area fixed abrasive particle disc (5), the through hole (16) is communicated with an abrasive liquid conveying pipe (11), and the abrasive liquid conveyed to the through hole (16) in the abrasive liquid conveying pipe (11) is extracted from an abrasive liquid barrel (13) by a peristaltic pump (12).
4. The precision sphere discontinuous region fixed abrasive particle machining apparatus according to claim 1, wherein: the groove disc (3) is driven by the grinder driver (1) to rotate at constant speed with a fixed shaft.
5. A method of machining discrete areas of precision spheres with fixed abrasive particles using an apparatus according to any one of claims 1 to 4, comprising the steps of:
Step A: placing the processed ball body (4) into a V-shaped groove (17) of the groove disc (3), regulating the ball screw (9) downwards until a pressure sensor (7) reaches a specified parameter, pressurizing the processed ball body (4) by the non-continuous area fixed abrasive particle disc (5), and driving the groove disc (3) to rotate at a constant speed by the grinder driver (1) so as to drive the processed ball body (4) to roll in the V-shaped groove (17);
and (B) step (B): the grinding fluid is pumped from a grinding fluid barrel (13) by a peristaltic pump (12) and is led between the non-continuous area fixed abrasive disc (5) and the groove disc (3) through a through hole (16) in the center of the non-continuous area fixed abrasive disc (5);
step C: in the rolling process of the processed ball (4), the fixed abrasive particle blocks (15) of the non-continuous area fixed abrasive particle disc (5) and the grinding liquid are used for grinding and removing the surface of the processed ball (4).
6. The method for processing the fixed abrasive grains in the discontinuous region of the precision sphere according to claim 5, wherein: during the processing, the abrasive liquid is introduced to sharpen the fixed abrasive particle blocks (15) of the non-continuous area fixed abrasive particle disk (5).
7. The method for processing the fixed abrasive grains in the discontinuous region of the precision sphere according to claim 5, wherein:
In the step C, the motion of the processed ball (4) is changed aperiodically by the fixed abrasive blocks (15) which are distributed on the fixed abrasive disc (5) in the discontinuous area at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210619656.6A CN114905368B (en) | 2022-06-02 | 2022-06-02 | Device and method for processing fixed abrasive particles in discontinuous areas of precision spheres |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210619656.6A CN114905368B (en) | 2022-06-02 | 2022-06-02 | Device and method for processing fixed abrasive particles in discontinuous areas of precision spheres |
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| Publication Number | Publication Date |
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| CN114905368A CN114905368A (en) | 2022-08-16 |
| CN114905368B true CN114905368B (en) | 2024-07-23 |
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| CN117583975B (en) * | 2024-01-18 | 2024-03-19 | 山西日盛达太阳能科技股份有限公司 | Photovoltaic glass polishing device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513919A (en) * | 2011-12-12 | 2012-06-27 | 江苏智邦精工科技有限公司 | Method for grinding aluminum oxide ceramic ball based on soft grinding material fixation grinding tool |
| CN110860997A (en) * | 2019-10-22 | 2020-03-06 | 浙江工业大学 | Variable friction coefficient processing method for ultra-precise sphere |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005004041A1 (en) * | 2005-01-27 | 2006-08-03 | Guilleaume-Werk Gmbh | Ceramic balls grinding method, for use in ball grinding machine, involves grinding balls with grinding wheel having diamond abrasive grain in ceramic bond, where ceramic bond is burnt up to specific temperature, in oxygen-poor atmosphere |
| JP2011161584A (en) * | 2010-02-12 | 2011-08-25 | Shingijutsu Kaihatsu Kk | Grinding tool |
| CN102240946A (en) * | 2011-06-15 | 2011-11-16 | 大连大友高技术陶瓷有限公司 | Ball grinder |
| CN103991018A (en) * | 2014-05-21 | 2014-08-20 | 浙江工业大学 | High-accuracy sphere machining device based on eccentric variable-curvature V-shaped grooved disc |
| CN107052987A (en) * | 2017-06-05 | 2017-08-18 | 南京航空航天大学 | Applied to it is synchronous slightly grind, lappingout, the processing unit (plant) for polishing spheroid |
| CN110814929A (en) * | 2019-10-22 | 2020-02-21 | 浙江工业大学 | First-order discontinuous machining method for ultra-precise sphere |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513919A (en) * | 2011-12-12 | 2012-06-27 | 江苏智邦精工科技有限公司 | Method for grinding aluminum oxide ceramic ball based on soft grinding material fixation grinding tool |
| CN110860997A (en) * | 2019-10-22 | 2020-03-06 | 浙江工业大学 | Variable friction coefficient processing method for ultra-precise sphere |
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