CN203993505U - High-precision sphere circular grinding process equipment - Google Patents
High-precision sphere circular grinding process equipment Download PDFInfo
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- CN203993505U CN203993505U CN201420370168.7U CN201420370168U CN203993505U CN 203993505 U CN203993505 U CN 203993505U CN 201420370168 U CN201420370168 U CN 201420370168U CN 203993505 U CN203993505 U CN 203993505U
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- abrasive disk
- spheroid
- swivel mount
- conveying mechanism
- lower abrasive
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- 238000000227 grinding Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008569 process Effects 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 238000012545 processing Methods 0.000 claims abstract description 46
- 230000008676 import Effects 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 9
- 238000003754 machining Methods 0.000 abstract description 12
- 239000000919 ceramic Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 239000003082 abrasive agent Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A kind of high-precision sphere circular grinding process equipment, comprise frame, lower abrasive disk and top lap are installed in frame, the upper end of top lap is connected with pressue device, lower abrasive disk is arranged on abrasive disk main shaft, abrasive disk main shaft is connected with grinding driving mechanism, on the machined surface of lower abrasive disk, have continuous processing groove, the center of circle that the starting point of processing groove is lower abrasive disk continuously, the outward flange that the terminal of processing groove is lower abrasive disk continuously, the bottom of lower abrasive disk arranges swivel mount, one circle of swivel mount has annular groove, the opening of annular groove is positioned at the outer peripheral below of top lap, baffle plate is arranged in the bottom of swivel mount, on baffle plate, have a material-dropping hole falling for spheroid, material-dropping hole is connected with the import of spheroid conveying mechanism, the outlet of spheroid conveying mechanism is connected with the center through hole of top lap, swivel mount is connected with rotary drive mechanism.The utility model working (machining) efficiency is higher, machining path precise control better, processing uniformity is good.
Description
Technical field
The utility model relates to high-precision sphere process equipment, especially a kind of high-precision sphere circular grinding process equipment.
Background technology
High-precise ball is the critical elements in roundness measuring equipment, gyro, bearing and accurate measurement, and the benchmark of Chang Zuowei accurate measurement, has very consequence in precision equipment and Precision Machining.Particularly in ball bearing, use in a large number, it is the vital part of ball bearing, the precision of bearing ball (spherical deviation, ball diameter variation and surface roughness) directly affects the technical indicators such as kinematic accuracy, noise and life-span of ball bearing, and then affects the performance of equipment, instrument.Compare with traditional bearing steel ball material (GCrl5), wear-resisting, high temperature resistant, corrosion-resistant, nonmagnetic, low-density (for 40% left and right of bearing steel) that the advanced ceramics materials such as silicon nitride have, the series of advantages such as coefficient of thermal expansion little (be bearing steel 25%) and elastic modelling quantity large (for 1.5 times of bearing steel), are considered to manufacture the optimal material of bearing ball of working under ramjet, high speed and precision lathe, precision instrument high speed, high accuracy and particular surroundings.
For the attrition process of Ceramic Balls, have some corresponding processing methods both at home and abroad, as: V-shaped groove grinding, circle groove polishing, conical disc polishing, angle of rotation ACTIVE CONTROL polishing, magnetic suspension polishing etc.In the process such as V-shaped groove attrition process, circle groove attrition process, conical disc attrition process, ball base can only be made " constant relative bearing " and grind motion, the spin axis that is ball base is fixed the space orientation of hollow shaft, and ball base is around a fixing spin axis rotation.Practice and theory analysis all show that " constant relative bearing " grinds motion is disadvantageous to the grinding of ball, the grinding trace that the contact point of ball base and abrasive disk forms on ball base surface is one group and take the annulus that the ball base axis of rotation is axle, abrasive disk carries out " repeatability " grinding along three coaxial circles traces of three contact points to ball base, be unfavorable for that ball base surface obtains evenly and grinds rapidly, in reality processing, need to rely on ball base to skid, the phenomenons such as stirring, make the spin axis of ball base and the relative workpiece orientation of hollow shaft occur slowly to change, reach the object of even grinding, but the variation of this spin angle is very slow, random, uncontrollable, thereby sphericity and the working (machining) efficiency of processing have been limited.And angle of rotation ACTIVE CONTROL grind have can independent rotation three abrasive disks, can change to adjust by controlling lap speed the orientation of the spin axis of ball base, ball base can be made " change relative bearing " and grind motion, the grinding trace on ball base surface is to take the Spatial Sphere surface curve that the ball base axis of rotation is axle, can cover the even whole ball base of major part surface, be conducive to ball base surface and obtain evenly, grind efficiently.In above-mentioned several different methods, with regard to required device complexity, the easiest with traditional V-shaped groove processing method, magnetic suspension grinding and angle of rotation ACTIVE CONTROL processing method relative complex.
The technological deficiency existing in existing structure: there is no Ceramic Balls cyclic process function, working (machining) efficiency is lower, machining path precise control is poor, processing uniformity poor.
Summary of the invention
For overcome existing high-precision ceramic balls process equipment without Ceramic Balls cyclic process function, working (machining) efficiency is lower, machining path precise control is poor, the poor deficiency of processing uniformity, the utility model provides that a kind of working (machining) efficiency is higher, machining path precise control better, the good high-precision sphere circular grinding process equipment of processing uniformity
The utility model solves the technical scheme that its technical problem adopts:
A kind of high-precision sphere circular grinding process equipment, comprise frame, lower abrasive disk and top lap are installed in described frame, described lower abrasive disk be positioned at described top lap under, the upper end of described top lap is connected with pressue device, described lower abrasive disk is arranged on abrasive disk main shaft, described abrasive disk main shaft is connected with grinding driving mechanism, on the machined surface of described lower abrasive disk, have continuous processing groove, the starting point of described continuous processing groove is the center of circle of lower abrasive disk, the terminal of described continuous processing groove is the outward flange of lower abrasive disk, the bottom of described lower abrasive disk arranges swivel mount, one circle of described swivel mount has the annular groove falling into for spheroid, the opening of described annular groove is positioned at the outer peripheral below of described top lap, baffle plate is arranged in the bottom of described swivel mount, described baffle plate is fixedly mounted in frame, on described baffle plate, have the material-dropping hole that a described spheroid of confession falls, described material-dropping hole is connected with the import of spheroid conveying mechanism, the outlet of described spheroid conveying mechanism is connected with the center through hole of top lap, described swivel mount is connected with rotary drive mechanism.
Further, described spheroid conveying mechanism comprises free raceway, lower free raceway, outside spiral rolling track, mandrel and scraper plate, described mandrel is connected with the material loading driving mechanism for rotating with moving mandrel, described scraper plate is arranged at the circular arc intervals such as the outer ring of described mandrel, described in Gap-Ratios between described adjacent scraper plate, spheroid is large, described outside spiral rolling track is arranged from top to bottom, described outside spiral rolling track is attached to scraper plate lateral surface, the gap of described adjacent scraper plate and outside spiral rolling track form the feed station of placing for described spheroid, described outside spiral rolling track is fixed on conveying mechanism support, described free raceway, lower free raceway becomes to be in tilted layout, the upper end of described outside spiral rolling track is connected with the upper end of described free raceway, the lower end of described free raceway is the outlet of described spheroid conveying mechanism, the lower end of described outside spiral rolling track is connected with the lower end of described lower free raceway, the upper end of described lower free raceway is the import of spheroid conveying mechanism.
Described grinding driving mechanism comprises main pulley, from belt wheel and spindle motor, described rotary drive mechanism comprises driving gear, driven gear and rotary drive motor, described abrasive disk main shaft is fixedly connected with the inner ring of rolling bearing, the outer ring of described rolling bearing is fixedly connected with swivel mount, described swivel mount is fixedly connected with driven gear, described driven gear and driving gear engagement, described driving gear is arranged on the output shaft of described rotary drive motor, on described abrasive disk main shaft, main pulley is installed, described main pulley by driving-belt with from belt wheel, be connected, describedly from belt wheel, be arranged on the output shaft of spindle motor.
Further, described continuous processing groove is V-shaped groove.Certainly, can be also other forms.
The track of described continuous processing groove is variable curvature curve.Such as helix etc.
Technical conceive of the present utility model is: for the processing ball that guarantees to drop from abrasive disk edge can order constant again get back to attrition process region, employing order Chu Qiu mechanism guarantees that the processing sequence of processing spheroid is not upset.Because the processing spheroid dropping from abrasive disk edge is consistent with abrasive disk speed, and the position of dropping is with variable curvature V-shaped groove rotation and along circumferential variation.Utility model, for avoiding ball order to upset, adopts increase order ball-sending device outside lower abrasive disk, and order ball-sending device consists of swivel mount and baffle plate.Swivel mount has the through hole that coordinates processing spheroid, and through hole is pressed swivel mount circumferential arrangement.Baffle plate has the unique ball mouth that coordinates processing spheroid.Swivel mount and abrasive disk have relative velocity guaranteed the processing ball first rolling out relative after processing ball the place ahead of rolling out.The processing ball that enters swivel mount enters through hole, in via bottoms, is blocked and together rotate with swivel mount by baffle plate.Swivel mount and lower abrasive disk rotating in same direction, the processing ball that is introduced into order Chu Qiu mechanism first rolls out from the ball mouth of baffle plate, enters conveying mechanism.Conveying mechanism adopts single track, unidirectional conveying, makes to process ball and can again enter successively attrition process region, and restart next round processing.Open raceway design has facilitated the sampling of processing ball to detect simultaneously, and counting statistics etc.Meanwhile, the utility model is focused on the precedence between ball and ball in course of conveying, and few being in contact with one another and pushing of trying one's best, and has avoided the impact of processing ball between course of conveying, has guaranteed the Grinding Quality of processing ball.
The beneficial effects of the utility model are mainly manifested in: apparatus structure is simple, can reach the state of cyclic process successively, avoid the collision between ball and ball, facilitate sight control.Final processing ball high accuracy, the high conforming batch machining of realizing, significant to the Ultraprecision Machining of development bearing ball.
Accompanying drawing explanation
Fig. 1 is high-precision sphere circular grinding process equipment schematic diagram of the present utility model.
Fig. 2 is order Chu Qiu mechanism top view sketch in the utility model.
Fig. 3 is order Chu Qiu mechanism front view sketch.
Fig. 4 is the schematic three dimensional views of conveying mechanism rotation transport portion.
Fig. 5 is the top view sketch of conveying mechanism rotation transport portion.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
With reference to Fig. 1～Fig. 4, a kind of high-precision sphere circular grinding process equipment, comprise frame, lower abrasive disk 8 and top lap 9 are installed in described frame, described lower abrasive disk 8 be positioned at described top lap 9 under, the upper end of described top lap 9 and pressue device 10, 11 connect, described lower abrasive disk 8 is arranged on abrasive disk main shaft 2, described abrasive disk main shaft 2 is connected with grinding driving mechanism, on the machined surface of described lower abrasive disk 8, have continuous processing groove, the starting point of described continuous processing groove is the center of circle of lower abrasive disk 8, the terminal of described continuous processing groove is the outward flange of lower abrasive disk 8, the bottom of described lower abrasive disk 8 arranges swivel mount 7, one circle of described swivel mount 7 has the annular groove falling into for spheroid, the opening of described annular groove is positioned at the outer peripheral below of described top lap 8, baffle plate 6 is arranged in the bottom of described swivel mount 7, described baffle plate 6 is fixedly mounted in frame, on described baffle plate 6, have the material-dropping hole that a described spheroid of confession falls, described material-dropping hole is connected with the import of spheroid conveying mechanism, the outlet of described spheroid conveying mechanism is connected with the center through hole of top lap 9, described swivel mount 7 is connected with rotary drive mechanism.
Further, described spheroid conveying mechanism comprises free raceway 12, lower free raceway 15, outside spiral rolling track 13, mandrel and scraper plate 14, described mandrel is connected with the material loading driving mechanism for rotating with moving mandrel, described scraper plate is arranged at the circular arc intervals such as the outer ring of described mandrel, described in Gap-Ratios between described adjacent scraper plate, spheroid is large, described outside spiral rolling track 13 is arranged from top to bottom, described outside spiral rolling track is attached to scraper plate 14 lateral surfaces, the gap of described adjacent scraper plate and outside spiral rolling track form the feed station of placing for described spheroid, described outside spiral rolling track is independently fixed on conveying mechanism support 16, described free raceway 12, lower free raceway 15 is and is in tilted layout, the upper end of described outside spiral rolling track 13 is connected with the upper end of described free raceway 12, the lower end of described free raceway 12 is the outlet of described spheroid conveying mechanism, the lower end of described outside spiral rolling track 13 is connected with the lower end of described lower free raceway 15, the upper end of described lower free raceway 15 is the import of spheroid conveying mechanism.
Preferably, described outside spiral rolling track is supporting steel wire, certainly, can be also other support members.
Described grinding driving mechanism comprises main pulley, from belt wheel and spindle motor 1, described rotary drive mechanism comprises driving gear 4, driven gear 5 and rotary drive motor 3, described abrasive disk main shaft 2 is fixedly connected with the inner ring of rolling bearing, the outer ring of described rolling bearing is fixedly connected with swivel mount 7, described swivel mount 7 is fixedly connected with driven gear 5, described driven gear 5 and driving gear 4 engagements, described driving gear 4 is arranged on the output shaft of described rotary drive motor 3, on described abrasive disk main shaft 2, main pulley is installed, described main pulley by driving-belt with from belt wheel, be connected, describedly from belt wheel, be arranged on the output shaft of spindle motor 1.
Further, described continuous processing groove is V-shaped groove.Certainly, can be also other forms.
The track of described continuous processing groove is variable curvature curve.Such as helix etc.
Described material loading driving mechanism comprises material loading motor 18, the first drive pulley and the second drive pulley, the first drive pulley is installed on the output shaft of material loading motor 18, described the first drive pulley is connected with the second drive pulley by driving-belt 17, described the second drive pulley is arranged on the lower end of mandrel, described scraper plate is fixedly mounted on the top of described rotating shaft, and described mandrel is installed in rotation on conveying mechanism support 16.
In the present embodiment, swivel mount 7 and abrasive disk main shaft 2 reach not interfereing with each other of rotation by the rolling bearing in main shaft sleeve outside.Described abrasive disk main shaft 2 is driven by spindle motor 1 band transmission, and described swivel mount 7 is driven by rotary drive motor 3; Lower abrasive disk 8 has variable curvature V-shaped groove, and the outlet of described variable curvature groove is at abrasive disk edge; The blanking port of described baffle plate 6 is connected by lower free raceway 15 with the import of spheroid conveying mechanism; The outlet of described spheroid conveying mechanism is connected by upper free raceway 12 with top lap 9 centers; Swivel mount 7 catches with baffle plate 6 the ball base freely dropping from lower abrasive disk 8, the ball base successively dropping order in rotation retainer is not upset, when the blanking port by baffle plate 6, roll out successively, by spheroid conveying mechanism, finally get back to lower abrasive disk 8 centers, realize and successively ball base efficient circulation being processed.Described pressue device (10,11) applies the tonnage that meets processing request to top lap 9.
With reference to figure 2, be order Chu Qiu mechanism top view sketch, wherein baffle plate 6 has ball mouth (as shown in the figure) in fixed position, and the rotation that ball base is followed swivel mount 7 successively arrives ball mouth, and drops.Position relationship between processing ball and processing ball, is kept by swivel mount lead to the hole site.
With reference to figure 3, be order Chu Qiu mechanism front view sketch, swivel mount 7 has the through hole by circumference array, and baffle plate 6 stops spheroid to drop.Spheroid is followed retainer and is moved to baffle plate permanent opening place, and spheroid can freely enter raceway, via raceway, enters conveying mechanism.
With reference to figure 4, be conveying mechanism rotation transport portion schematic three dimensional views, mainly by scraper plate 14 and outside spiral rolling track 13, formed.Spheroid enters after transport portion, falls into the position between each scraper plate, and scraper plate is by rotating shaft driven rotary, and spheroid rolls forward under the promotion of scraper plate.The rolling path of spheroid is outside spiral rolling track 14, and spheroid is under scraper plate promotes, along the raceway ascending motion of spinning.Finally by conveying device bottom, arrive conveying device top, via the upper free raceway being communicated with, get back to abrasive disk, carry out cyclic process next time.
The abrasive material of processing is selected fixed abrasive material or free abrasive, and described Ceramic Balls base to be processed, at upper and lower abrasive disk working face, is evenly ground under the effect of determining load and abrasive material, and by the circulatory system, carries out many wheels and grind.
Utilize the utility model device, processing silicon nitride ceramic ball base, processing conditions is as following table 1:
Table 1
What following table 2 was listed is the testing result of ceramic ball finished product.From testing result: the precision level of the Ceramic Balls processing has reached the G3 precision of steel ball.
Table 2.
Claims (5)
1. a high-precision sphere circular grinding process equipment, comprise frame, lower abrasive disk and top lap are installed in described frame, described lower abrasive disk be positioned at described top lap under, the upper end of described top lap is connected with pressue device, described lower abrasive disk is arranged on abrasive disk main shaft, described abrasive disk main shaft is connected with grinding driving mechanism, on the machined surface of described lower abrasive disk, have continuous processing groove, the starting point of described continuous processing groove is the center of circle of lower abrasive disk, the terminal of described continuous processing groove is the outward flange of lower abrasive disk, it is characterized in that: the bottom of described lower abrasive disk arranges swivel mount, one circle of described swivel mount has the annular groove falling into for spheroid, the opening of described annular groove is positioned at the outer peripheral below of described top lap, baffle plate is arranged in the bottom of described swivel mount, described baffle plate is fixedly mounted in frame, on described baffle plate, have the material-dropping hole that a described spheroid of confession falls, described material-dropping hole is connected with the import of spheroid conveying mechanism, the outlet of described spheroid conveying mechanism is connected with the center through hole of top lap, described swivel mount is connected with rotating drive mechanism.
2. high-precision sphere circular grinding process equipment as claimed in claim 1, it is characterized in that: described spheroid conveying mechanism comprises free raceway, lower free raceway, outside spiral rolling track, mandrel and scraper plate, described mandrel is connected with the material loading driving mechanism for rotating with moving mandrel, described scraper plate is arranged at the circular arc intervals such as the outer ring of described mandrel, described in Gap-Ratios between described adjacent scraper plate, spheroid is large, described outside spiral rolling track is arranged from top to bottom, described outside spiral rolling track is attached to scraper plate lateral surface, the gap of described adjacent scraper plate and outside spiral rolling track form the feed station of placing for described spheroid, described outside spiral rolling track is fixed on conveying mechanism support, described free raceway, lower free raceway becomes to be in tilted layout, the upper end of described outside spiral rolling track is connected with the upper end of described free raceway, the lower end of described free raceway is the outlet of described spheroid conveying mechanism, the lower end of described outside spiral rolling track is connected with the lower end of described lower free raceway, the upper end of described lower free raceway is the import of spheroid conveying mechanism.
3. high-precision sphere circular grinding process equipment as claimed in claim 1 or 2, it is characterized in that: described grinding driving mechanism comprises main pulley, from belt wheel and spindle motor, described rotary drive mechanism comprises driving gear, driven gear and rotary drive motor, described abrasive disk main shaft is fixedly connected with the inner ring of rolling bearing, the outer ring of described rolling bearing is fixedly connected with swivel mount, described swivel mount is fixedly connected with driven gear, described driven gear and driving gear engagement, described driving gear is arranged on the output shaft of described rotary drive motor, described stating on abrasive disk main shaft installed main pulley, described main pulley by driving-belt with from belt wheel, be connected, describedly from belt wheel, be arranged on the output shaft of spindle motor.
4. high-precision sphere circular grinding process equipment as claimed in claim 1 or 2, is characterized in that: described continuous processing groove is V-shaped groove.
5. high-precision sphere circular grinding process equipment as claimed in claim 1 or 2, is characterized in that: the track of described continuous processing groove is variable curvature curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420370168.7U CN203993505U (en) | 2014-07-04 | 2014-07-04 | High-precision sphere circular grinding process equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420370168.7U CN203993505U (en) | 2014-07-04 | 2014-07-04 | High-precision sphere circular grinding process equipment |
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| CN203993505U true CN203993505U (en) | 2014-12-10 |
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| CN201420370168.7U Expired - Lifetime CN203993505U (en) | 2014-07-04 | 2014-07-04 | High-precision sphere circular grinding process equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128877A (en) * | 2014-07-04 | 2014-11-05 | 浙江工业大学 | Machining device for circulating grinding of high-precision sphere |
| CN105081915A (en) * | 2015-08-24 | 2015-11-25 | 莆田市清龙首饰模具有限公司 | Double-ration bead grinding machine |
| CN107186601A (en) * | 2017-07-21 | 2017-09-22 | 芜湖瑞德机械科技有限公司 | A kind of energy-saving polishing machine |
| CN108723981A (en) * | 2018-07-28 | 2018-11-02 | 天津大学 | Magnetically grinding disk, device and method for dome cone rolling surface of roller finishing |
| CN111230650A (en) * | 2018-11-27 | 2020-06-05 | 宜城市泳瑞玻璃科技有限公司 | Polishing equipment and polishing method for high-precision glass beads |
| WO2022041359A1 (en) * | 2020-08-28 | 2022-03-03 | 中材高新氮化物陶瓷有限公司 | Device for batch-processing silicon nitride ceramic microbeads |
-
2014
- 2014-07-04 CN CN201420370168.7U patent/CN203993505U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128877A (en) * | 2014-07-04 | 2014-11-05 | 浙江工业大学 | Machining device for circulating grinding of high-precision sphere |
| CN104128877B (en) * | 2014-07-04 | 2016-06-22 | 浙江工业大学 | High-precision sphere circular grinding process equipment |
| CN105081915A (en) * | 2015-08-24 | 2015-11-25 | 莆田市清龙首饰模具有限公司 | Double-ration bead grinding machine |
| CN107186601A (en) * | 2017-07-21 | 2017-09-22 | 芜湖瑞德机械科技有限公司 | A kind of energy-saving polishing machine |
| CN108723981A (en) * | 2018-07-28 | 2018-11-02 | 天津大学 | Magnetically grinding disk, device and method for dome cone rolling surface of roller finishing |
| CN108723981B (en) * | 2018-07-28 | 2023-09-15 | 天津大学 | Magnetic grinding disc, equipment and method for finishing rolling surface of convex conical roller |
| CN111230650A (en) * | 2018-11-27 | 2020-06-05 | 宜城市泳瑞玻璃科技有限公司 | Polishing equipment and polishing method for high-precision glass beads |
| CN111230650B (en) * | 2018-11-27 | 2021-05-07 | 宜城市泳瑞玻璃科技有限公司 | Polishing equipment and polishing method for high-precision glass beads |
| WO2022041359A1 (en) * | 2020-08-28 | 2022-03-03 | 中材高新氮化物陶瓷有限公司 | Device for batch-processing silicon nitride ceramic microbeads |
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