CN102218690A - Metallographic specimen grinding and polishing machine - Google Patents
Metallographic specimen grinding and polishing machine Download PDFInfo
- Publication number
- CN102218690A CN102218690A CN2011101006162A CN201110100616A CN102218690A CN 102218690 A CN102218690 A CN 102218690A CN 2011101006162 A CN2011101006162 A CN 2011101006162A CN 201110100616 A CN201110100616 A CN 201110100616A CN 102218690 A CN102218690 A CN 102218690A
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- abrasive band
- backup pad
- grinding
- upper backup
- specimen
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
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Abstract
The invention discloses a metallographic specimen grinding and polishing machine. An upper supporting plate and a lower supporting plate are arranged on a machine body; a grinding and polishing bottom plate is arranged in the middle of the upper supporting plate and is enclosed by a drainage tank; two ends of the upper supporting plate are provided with an abrasive belt driving shaft and an abrasive belt transmission shaft; a pressing plate is correspondingly arranged on the upper part of the grinding and polishing bottom plate; a screw is arranged on the pressing plate; a rotary pressing disc and a specimen fixture disc are arranged at two ends of the screw; an abrasive belt adjusting shaft is arranged in an adjusting groove on the lower part of the upper supporting plate; a water tank and a motor are arranged on the lower supporting plate; water is supplied to the grinding and polishing bottom plate through a water pump; the motor drives the abrasive belt driving shaft; and the abrasive belt is tensioned on the abrasive belt driving shaft, the abrasive belt transmission shaft, an abrasive belt supporting shaft and the abrasive belt adjusting shaft. The metallographic specimen grinding and polishing machine is simple in structure, convenient to operate and high in specimen manufacturing efficiency, and can effectively guarantee the manufacturing quality of a metallographic specimen.
Description
Technical field
The invention belongs to buck polissoir technical field, particularly relate to a kind of polisher lapper.
Background technology
In the surface integrity process in research material matrix performance and process, need treat the observation material cuts, and preparation is used for the sample of inlaying of structure observation on the metallographic specimen pointing machine, sample grinds and the metallographic observation sample is made in polishing to inlaying then, carries out performance test and observation at last.In this process, the grinding of metallographic specimen and polishing be the most important also be a step the most rambunctious, often need the preparation personnel that are ripe with experience to grind for a long time and observation repeatedly.
In the prior art, disclose special-purpose polishing machine at the preparation of metallographic specimen, it generally is made up of motor and polishing disk, and the drive polishing disk by motor rotates, thereby reaches the purpose of polishing.In use, the polishing personnel need add water polishing owing to metallographic specimen need adopt simultaneously by hand-held metallographic specimen, so this polishing machine need and need the polishing personnel that priming apparatus is set near the water source.And often need operating personnel on varigrained sand paper, to carry out grinding by hand for grinding.Because metallographic specimen is generally smaller, be difficult to the flatness and the quality of finish of its burnishing surface of control in the process of above-mentioned grinding and polishing, and it is carrying out a plurality of metallographic specimens when making, random error is apparent in view, be difficult to guarantee the uniformity of burnishing surface, the metallographic specimen make efficiency is low.
Summary of the invention
Make difficult quality guarantee in order to overcome the prior art metallographic specimen, the deficiency that efficient is not high the invention provides a kind of metallographic specimen polisher lapper, thereby efficiently solves the difficult problem in the metallographic specimen preparation process, the assurance specimen surface is smooth, and the polishing effect unanimity.
The technical scheme that the present invention adopts for achieving the above object is: comprise body and abrasive band, body is provided with upper backup pad and lower supporting plate, the middle part of upper backup pad is provided with the grinding and polishing base plate, be used for supporting the abrasive band and finish grinding and polishing, upper backup pad is provided with rhone, around the grinding and polishing base plate, the two ends of upper backup pad are separately installed with abrasive band driving shaft and abrasive band power transmission shaft, upper bracket is connected on the upper backup pad, the pressing plate correspondence is installed in grinding and polishing base plate top, one end connects upper bracket by rotating shaft, make pressing plate to rotate around rotating shaft, so that install and observe the sample in the polishing process, the other end links to each other with upper bracket by screw, pressing plate is provided with screw rod, the screw rod upper end is equipped with the rotation platen, the pressing plate of rotation platen one side is provided with scale, the screw rod lower end is equipped with the specimen holder dish, the bottom of upper backup pad is provided with lower carriage, the lower carriage bottom is provided with the adjustment groove, abrasive band adjustment axle is installed in to be adjusted in the groove, be used for realizing the tensioning degree of adjustment axle in abrasive band to the abrasive band, lower supporting plate one end is installed on the body, the other end is installed on the lower carriage, lower supporting plate is provided with water tank and motor, feed pipe one end links to each other with water tank by water pump, the other end is installed in a side of grinding and polishing base plate by the water pipe fixed mount correspondence on the upper backup pad, the water pipe fixed mount is provided with the water pipe control handle, the power output shaft of motor links to each other with the timing belt pulley of abrasive band driving shaft one end by being with synchronously, and the abrasive band is stretched in the abrasive band driving shaft, the abrasive band power transmission shaft, on the abrasive belt wheel on abrasive band back shaft and the abrasive band adjustment axle.
The corresponding setting of described specimen holder dish with the grinding and polishing base plate, specimen holder dish top is provided with the screwed hole that links to each other with screw rod, sample body is installed on the specimen holder dish by the sample installing hole of specimen holder dish bottom, the metallographic specimen piece is arranged on the sample body lower surface, be provided with elastic washer around sample body in the sample installing hole, elastic washer is provided with compress gasket near a side of specimen holder disk center, specimen holder dish middle part is provided with clamping screw, the clamping screw leading portion is provided with thread segment, the clamping screw middle part is provided with conical section, compress between the conical section and compress gasket that pin is installed in clamping screw, compress between pin and the compress gasket spring is installed, realize the location of sample body is clamped.
Described sample installing hole is single or multiple, and a plurality of sample installing holes are symmetricly set on the specimen holder dish with specimen holder disk center.
Described underpart is provided with linkage levelling screw, and the linkage levelling screw bottom is equipped with the leveling cushion block.
Described grinding and polishing base plate both sides also are provided with the abrasive band back shaft, and back shaft two ends, abrasive band are installed in the upper backup pad both sides.
Also be provided with water filter plate on the described upper backup pad, water filter plate is installed in the top, position that upper backup pad is produced in the abrasive band, with guarantee on the abrasive band, front with the grinding and polishing water filtered into rhone, the water filter plate two ends are installed in the upper backup pad both sides, corresponding abrasive band, water filter plate bottom is provided with the drainage brush.
Rhone bottom on the described upper backup pad is provided with drainpipe, drainpipe and the corresponding setting of water tank on the lower supporting plate, and water tank is for being provided with the autoprecipitation water tank with strainer of multi stage precipitation groove in water tank.
Also be provided with dial on the rotation platen on the described pressing plate, can be more accurate the decline dimensional accuracy of control rotation platen.
Adopt metallographic specimen polisher lapper proposed by the invention, have following beneficial effect: the present invention is by adopting the combination of abrasive band mechanism and metallographic specimen anchor clamps, by adjusting the performance parameter in abrasive band, the grinding and the polishing of metallographic specimen have been realized simultaneously, be provided with water tank simultaneously, it can be controlled automatically realize adding water polishing and grinding.It is simple in structure, easy to operate, sample production efficient height, can effectively guarantee the making quality of metallographic specimen.
Description of drawings
Fig. 1 surveys diagrammatic sketch for axis of no-feathering of the present invention;
Fig. 2 is a structural front view of the present invention;
Fig. 3 is the structure rearview of Fig. 2 of the present invention;
Fig. 4 is the structure vertical view of Fig. 2 of the present invention;
Fig. 5 is the structure right view of Fig. 2 of the present invention;
Fig. 6 is the topology view of the specimen holder dish 25 among Fig. 1 of the present invention;
Fig. 7 is the structure upward view of Fig. 7 of the present invention.
Among the figure: 1, the rotation platen, 2, screw rod, 3, scale, 4, pressing plate, 5, upper bracket, 6, the water pipe control handle, 7, the water pipe fixed mount, 8, feed pipe, 9, rhone, 10, upper backup pad, 11, the abrasive band driving shaft, 12, the abrasive band, 13, the abrasive band power transmission shaft, 14, body, 15, linkage levelling screw, 16, the leveling cushion block, 17, lower supporting plate, 18, motor, 19, timing belt pulley, 20, be with 21 synchronously, lower carriage, 22, adjust groove, 23, axle, 24 are adjusted in the abrasive band, water tank, 25, the specimen holder dish, 26, the grinding and polishing base plate, 27, hold-down screw, 28, rotating shaft, 29, the abrasive band back shaft, 30, water filter plate, 31, water pump, 32, drainpipe, 33, screwed hole, 34, thread segment, 35, conical section, 36, compress pin, 37, the sample installing hole, 38, elastic washer, 39, sample body, 40, the metallographic specimen piece, 41, clamping screw, 42, spring, 43, compress gasket.
The specific embodiment
Described specimen holder dish 25 and the 26 corresponding settings of grinding and polishing base plate, specimen holder dish 25 tops are provided with the screwed hole 33 that links to each other with screw rod 2, sample body 39 is installed on the specimen holder dish 25 by the sample installing hole 37 of specimen holder dish 25 bottoms, metallographic specimen piece 40 is arranged on sample body 39 lower surfaces, be provided with elastic washer 38 around sample body in the sample installing hole 37, elastic washer 38 is provided with compress gasket 43 near a side of specimen holder disk center, specimen holder dish 25 middle parts are provided with clamping screw 41, clamping screw 41 leading portions are provided with thread segment 34, clamping screw 41 middle parts are provided with conical section 35, compress between the conical section 35 and compress gasket 43 that pin 36 is installed in clamping screw 41, compress between pin 36 and the compress gasket 43 spring 42 is installed.
Described metallographic specimen polisher lapper, it in use, earlier the abrasive band that needs is installed in abrasive band driving shaft 11, abrasive band power transmission shaft 13, on the abrasive belt wheel on abrasive band back shaft 29 and the abrasive band adjustment axle 23, by abrasive band adjustment axle 23 suitable rate of tension is adjusted in the abrasive band, then, the sample body of having inlayed the metallographic specimen piece is installed in specimen holder dish bottom, realize clamping by clamping screw 41 simultaneously, and the specimen holder dish is fixedly linked by screwed hole 33 and screw rod 2, be fixedly mounted on the pressing plate 4 of installing screw rod 2 on the upper backup pad 10 by upper bracket 5 this moment, pressing plate 4 one ends and upper bracket 5 are fixedlyed connected by screw, pressing plate 4 other ends and upper bracket 5 can be realized rotation mutually by rotating shaft 28, with the inspection and convenient installation of realizing the metallographic specimen piece on the specimen holder dish; Rotation platen 1 on the screw rod 2 is by moving down the control of distance with the corresponding specimen holder dish 25 of realizing of scale 3, when being in correct position, get final product starter motor, realize rotatablely moving by the abrasive belt wheel on abrasive band driving shaft 11, abrasive band power transmission shaft 13, abrasive band back shaft 29 and the abrasive band adjustment axle 23 in abrasive band 12, by adopting different abrasive bands, thereby realize grinding and polishing to the metallographic specimen piece on the sample body.
Described sample installing hole is single or multiple, and a plurality of sample installing holes are symmetricly set on the specimen holder dish with specimen holder disk center.Thereby grind when realizing a plurality of metallographic specimen piece and polishing.Described body 14 bottoms are provided with linkage levelling screw 15, and linkage levelling screw 15 bottoms are equipped with leveling cushion block 16, can be used for body 14 is carried out leveling, to guarantee the grinding and the quality of finish of metallographic coupon.Described grinding and polishing base plate 26 both sides also are provided with abrasive band back shaft 29, and back shaft 29 two ends in abrasive band are installed in upper backup pad 10 both sides, and the top of abrasive band back shaft is consistent with the upper level of grinding and polishing base plate 26.Also be provided with water filter plate 30 on the described upper backup pad 10, water filter plate is installed in the position of producing upper backup pad near the abrasive band, with guarantee on the abrasive band, front with the grinding and polishing water filtered into rhone, water filter plate 30 two ends are installed in upper backup pad 10 both sides, corresponding abrasive band 12, water filter plate 30 bottoms is provided with the drainage brush, is used for the unnecessary water of taking away on the abrasive band is filtered into rhone.Rhone 9 bottoms on the described upper backup pad 10 are provided with drainpipe 32, the water tank 24 corresponding settings on drainpipe 32 and the lower supporting plate, and water tank 24 is the autoprecipitation water tank with strainer.Also be provided with dial on the rotation platen 1 on the described pressing plate 4, be used for accurate control specimen holder dish and abrasive band relative position.
Claims (8)
1. metallographic specimen polisher lapper, comprise body and abrasive band, it is characterized in that: body is provided with upper backup pad and lower supporting plate, the middle part of upper backup pad is provided with the grinding and polishing base plate, upper backup pad is provided with rhone, around the grinding and polishing base plate, the two ends of upper backup pad are separately installed with abrasive band driving shaft and abrasive band power transmission shaft, upper bracket is connected on the upper backup pad, the pressing plate correspondence is installed in grinding and polishing base plate top, one end connects upper bracket by rotating shaft, the other end links to each other with upper bracket by screw, pressing plate is provided with screw rod, the screw rod upper end is equipped with the rotation platen, the pressing plate of rotation platen one side is provided with scale, the screw rod lower end is equipped with the specimen holder dish, the bottom of upper backup pad is provided with lower carriage, the lower carriage bottom is provided with the adjustment groove, abrasive band adjustment axle is installed in to be adjusted in the groove, adjust the abrasive band and adjust the tensioning degree of axle the abrasive band, lower supporting plate one end is installed on the body, the other end is installed on the lower carriage, lower supporting plate is provided with water tank and motor, feed pipe one end links to each other with water tank by water pump, the other end is installed in a side of grinding and polishing base plate by the water pipe fixed mount correspondence on the upper backup pad, the water pipe fixed mount is provided with the water pipe control handle, the power output shaft of motor links to each other with the timing belt pulley of abrasive band driving shaft one end by being with synchronously, and the abrasive band is stretched in the abrasive band driving shaft, the abrasive band power transmission shaft, on the abrasive belt wheel on abrasive band back shaft and the abrasive band adjustment axle.
2. metallographic specimen polisher lapper according to claim 1, it is characterized in that: the corresponding setting of described specimen holder dish with the grinding and polishing base plate, specimen holder dish top is provided with the screwed hole that links to each other with screw rod, sample body is installed on the specimen holder dish by the sample installing hole of specimen holder dish bottom, the metallographic specimen piece is arranged on the sample body lower surface, be provided with elastic washer around sample body in the sample installing hole, elastic washer is provided with compress gasket near a side of specimen holder disk center, specimen holder dish middle part is provided with clamping screw, the clamping screw leading portion is provided with thread segment, the clamping screw middle part is provided with conical section, compress between the conical section and compress gasket that pin is installed in clamping screw, compress between pin and the compress gasket spring is installed.
3. metallographic specimen polisher lapper according to claim 1 is characterized in that: described sample installing hole is single or multiple, and a plurality of sample installing holes are symmetricly set on the specimen holder dish with specimen holder disk center.
4. metallographic specimen polisher lapper according to claim 1 is characterized in that: described underpart is provided with linkage levelling screw, and the linkage levelling screw bottom is equipped with the leveling cushion block.
5. metallographic specimen polisher lapper according to claim 1 is characterized in that: described grinding and polishing base plate both sides also are provided with the abrasive band back shaft, and back shaft two ends, abrasive band are installed in the upper backup pad both sides.
6. metallographic specimen polisher lapper according to claim 1, it is characterized in that: also be provided with water filter plate on the described upper backup pad, water filter plate is installed in the top, position that upper backup pad is produced in the abrasive band, the water filter plate two ends are installed in the upper backup pad both sides, and corresponding abrasive band, water filter plate bottom is provided with the drainage brush.
7. metallographic specimen polisher lapper according to claim 1, it is characterized in that: the rhone bottom on the described upper backup pad is provided with drainpipe, drainpipe and the corresponding setting of water tank on the lower supporting plate, water tank is for being provided with the autoprecipitation water tank with strainer of multi stage precipitation groove in water tank.
8. metallographic specimen polisher lapper according to claim 1 is characterized in that: the rotation platen on the described pressing plate is provided with dial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110100616 CN102218690B (en) | 2011-04-21 | 2011-04-21 | Metallographic specimen grinding and polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110100616 CN102218690B (en) | 2011-04-21 | 2011-04-21 | Metallographic specimen grinding and polishing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102218690A true CN102218690A (en) | 2011-10-19 |
| CN102218690B CN102218690B (en) | 2012-12-19 |
Family
ID=44775527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110100616 Expired - Fee Related CN102218690B (en) | 2011-04-21 | 2011-04-21 | Metallographic specimen grinding and polishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102218690B (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111933A (en) * | 2013-01-28 | 2013-05-22 | 河北联合大学 | Accessory of metallographic sample polishing machine |
| CN103612182A (en) * | 2013-11-27 | 2014-03-05 | 苏州道众机械制造有限公司 | Flat belt grinder |
| CN103884567A (en) * | 2014-03-25 | 2014-06-25 | 三峡大学 | Pre-milling machine for metallographic microscopic samples |
| CN104227532A (en) * | 2013-06-17 | 2014-12-24 | 苏州雅妮服务外包有限公司 | Novel abrasive belt machine |
| CN104551897A (en) * | 2015-01-04 | 2015-04-29 | 中国矿业大学 | Processing device and method adapting to batch grinding of rock samples with different contour dimensions |
| CN105067416A (en) * | 2015-09-21 | 2015-11-18 | 核工业理化工程研究院 | Metallographic cold-inlaying device capable of adjusting inlaying position and angle of sample |
| CN105252411A (en) * | 2015-10-26 | 2016-01-20 | 长安大学 | Clamp with automatically steerable clamping head |
| CN105397597A (en) * | 2015-10-26 | 2016-03-16 | 长安大学 | Full-automatic multi-stage integrated metallographical grinding and polishing machine |
| CN106965056A (en) * | 2017-04-28 | 2017-07-21 | 华南理工大学 | A kind of desktop level automatic metallic phase grinding machine |
| CN107192369A (en) * | 2017-06-08 | 2017-09-22 | 河南职业技术学院 | A kind of automation equipment |
| CN107717721A (en) * | 2017-09-29 | 2018-02-23 | 苏州能讯高能半导体有限公司 | A kind of automatic grinding sample clamp and autogenous mill |
| CN108802077A (en) * | 2018-06-15 | 2018-11-13 | 大连大学 | A kind of fixture prepared automatically for metallographic specimen |
| WO2020155428A1 (en) * | 2019-01-29 | 2020-08-06 | 福建青拓特钢技术研究有限公司 | Energy-saving metallographic sample grinding machine |
| TWI702993B (en) * | 2015-09-16 | 2020-09-01 | 大陸商泰科電子（上海）有限公司 | Wipe system |
| CN112440187A (en) * | 2020-11-24 | 2021-03-05 | 蒋俊明 | Bottom polishing equipment for large ceramic wide-mouth container |
| CN113043132A (en) * | 2021-03-31 | 2021-06-29 | 浙江沣沅生物科技有限公司 | Polisher applied to magnesium alloy diaphragm |
| CN113305695A (en) * | 2021-06-30 | 2021-08-27 | 江苏凯达新材料科技有限公司 | Intelligent polishing equipment for nano ceramics |
| CN115958494A (en) * | 2022-12-30 | 2023-04-14 | 福州大学 | Small punch rod sample polishing device |
| CN115972042A (en) * | 2022-11-30 | 2023-04-18 | 广西电网有限责任公司电力科学研究院 | Handheld metallographic grinding and polishing auxiliary tool and metallographic specimen grinding and polishing method |
| CN118061061A (en) * | 2024-04-12 | 2024-05-24 | 蓬莱品重机械有限公司 | Pin shaft surface treatment device |
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Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111933A (en) * | 2013-01-28 | 2013-05-22 | 河北联合大学 | Accessory of metallographic sample polishing machine |
| CN103111933B (en) * | 2013-01-28 | 2014-12-10 | 河北联合大学 | Accessory of metallographic sample polishing machine |
| CN104227532A (en) * | 2013-06-17 | 2014-12-24 | 苏州雅妮服务外包有限公司 | Novel abrasive belt machine |
| CN103612182A (en) * | 2013-11-27 | 2014-03-05 | 苏州道众机械制造有限公司 | Flat belt grinder |
| CN103884567B (en) * | 2014-03-25 | 2016-03-23 | 三峡大学 | A kind of metallography microscope sample pre-mill |
| CN103884567A (en) * | 2014-03-25 | 2014-06-25 | 三峡大学 | Pre-milling machine for metallographic microscopic samples |
| CN104551897A (en) * | 2015-01-04 | 2015-04-29 | 中国矿业大学 | Processing device and method adapting to batch grinding of rock samples with different contour dimensions |
| CN104551897B (en) * | 2015-01-04 | 2017-01-18 | 中国矿业大学 | Processing device and method adapting to batch grinding of rock samples with different contour dimensions |
| TWI702993B (en) * | 2015-09-16 | 2020-09-01 | 大陸商泰科電子（上海）有限公司 | Wipe system |
| CN105067416A (en) * | 2015-09-21 | 2015-11-18 | 核工业理化工程研究院 | Metallographic cold-inlaying device capable of adjusting inlaying position and angle of sample |
| CN105067416B (en) * | 2015-09-21 | 2017-08-04 | 核工业理化工程研究院 | Adjustable sample is inlayed the cold insert of the metallographic of position and angle and put |
| CN105252411A (en) * | 2015-10-26 | 2016-01-20 | 长安大学 | Clamp with automatically steerable clamping head |
| CN105397597A (en) * | 2015-10-26 | 2016-03-16 | 长安大学 | Full-automatic multi-stage integrated metallographical grinding and polishing machine |
| CN105397597B (en) * | 2015-10-26 | 2017-07-11 | 长安大学 | A kind of full-automatic metallographical polishing machine of multistage integratedization |
| CN106965056A (en) * | 2017-04-28 | 2017-07-21 | 华南理工大学 | A kind of desktop level automatic metallic phase grinding machine |
| CN107192369A (en) * | 2017-06-08 | 2017-09-22 | 河南职业技术学院 | A kind of automation equipment |
| CN107192369B (en) * | 2017-06-08 | 2020-04-10 | 河南职业技术学院 | Automatic change equipment |
| CN107717721A (en) * | 2017-09-29 | 2018-02-23 | 苏州能讯高能半导体有限公司 | A kind of automatic grinding sample clamp and autogenous mill |
| CN108802077A (en) * | 2018-06-15 | 2018-11-13 | 大连大学 | A kind of fixture prepared automatically for metallographic specimen |
| CN108802077B (en) * | 2018-06-15 | 2020-10-09 | 大连大学 | A anchor clamps for metallographic specimen automatic preparation |
| WO2020155428A1 (en) * | 2019-01-29 | 2020-08-06 | 福建青拓特钢技术研究有限公司 | Energy-saving metallographic sample grinding machine |
| CN112440187A (en) * | 2020-11-24 | 2021-03-05 | 蒋俊明 | Bottom polishing equipment for large ceramic wide-mouth container |
| CN113043132A (en) * | 2021-03-31 | 2021-06-29 | 浙江沣沅生物科技有限公司 | Polisher applied to magnesium alloy diaphragm |
| CN113043132B (en) * | 2021-03-31 | 2022-07-19 | 浙江沣沅生物科技有限公司 | Polisher applied to magnesium alloy diaphragm |
| CN113305695A (en) * | 2021-06-30 | 2021-08-27 | 江苏凯达新材料科技有限公司 | Intelligent polishing equipment for nano ceramics |
| CN115972042A (en) * | 2022-11-30 | 2023-04-18 | 广西电网有限责任公司电力科学研究院 | Handheld metallographic grinding and polishing auxiliary tool and metallographic specimen grinding and polishing method |
| CN115958494A (en) * | 2022-12-30 | 2023-04-14 | 福州大学 | Small punch rod sample polishing device |
| CN115958494B (en) * | 2022-12-30 | 2024-06-04 | 福州大学 | Small punch sample polishing device |
| CN118061061A (en) * | 2024-04-12 | 2024-05-24 | 蓬莱品重机械有限公司 | Pin shaft surface treatment device |
| CN118061061B (en) * | 2024-04-12 | 2024-07-12 | 蓬莱品重机械有限公司 | Pin shaft surface treatment device |
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