CN110340742B - Biological ceramic sphere double-polishing-head polishing device - Google Patents
Biological ceramic sphere double-polishing-head polishing device Download PDFInfo
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- CN110340742B CN110340742B CN201910648638.9A CN201910648638A CN110340742B CN 110340742 B CN110340742 B CN 110340742B CN 201910648638 A CN201910648638 A CN 201910648638A CN 110340742 B CN110340742 B CN 110340742B
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- 238000005498 polishing Methods 0.000 title claims abstract description 228
- 239000000919 ceramic Substances 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000003462 bioceramic Substances 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 210000004394 hip joint Anatomy 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 101000911772 Homo sapiens Hsc70-interacting protein Proteins 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 210000000588 acetabulum Anatomy 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/005—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes using a magnetic polishing agent
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a polishing device for a biological ceramic spherical surface double polishing head, wherein a fixed polishing disk is fixed on an operation table, a left spiral polishing component and a right spiral polishing component are symmetrically arranged on the operation table relative to the fixed polishing disk, single spiral grooves are respectively arranged between the left end surface of the left spiral polishing component and the left end surface of the fixed polishing disk and between the right end surface of the right spiral polishing component and the right end surface of the fixed polishing disk, the starting points of the single spiral grooves are arranged in the center of the fixed polishing disk, the starting points of the single spiral grooves on the left side and the right side of the fixed polishing disk are communicated, magnetorheological polishing liquid is filled in the single spiral grooves, and magnetic field generators are respectively arranged in the left spiral polishing component and the right spiral polishing component. The advantages are that: the magnetorheological polishing solution changed into a solid-like state under the influence of a magnetic field is used for polishing, and the rotation of the left spiral polishing component and the right spiral polishing component can control the polishing time of a workpiece to be polished, so that the polishing degree can be controlled more accurately, higher polishing precision can be realized, and the requirement on the polishing degree of the biological ceramic spherical surface is completely met.
Description
Technical Field
The invention relates to a polishing device with double polishing heads for a biological ceramic spherical surface.
Background
Joint damage caused by joint pathological changes or accidents caused by human diseases destroys the normal functions of human joints, and brings great inconvenience to the life and work of patients. Statistically, about 10% of the world population is replacing natural hip joints with artificial hip joints. The human hip joint is a spherical joint comprising a spherical femoral head and a bowl-like acetabulum. The substitute material has the properties of light weight, high strength, good biocompatibility, strong corrosion resistance, small fatigue caused by repeated stress, wear resistance and the like. The materials used for the joint replacement implant mainly comprise metal, ceramic, high polymer and composite materials. Because of the biological inertia, the ceramic has the advantages of stability, high hardness, almost no abrasion and the like in a human body and is widely applied. But the ceramic material has the characteristics of high hardness, high strength, large brittleness and the like and is difficult to process; and the ceramic implant has more burrs and thicker oxide film after being processed, is implanted into a human body as a medical interventional instrument, has higher surface roughness of materials, and is easy to cause the formation of thrombus. Therefore, higher requirements are put on the surface and the micro-rough surface of the biological ceramic artificial joint ball head.
Disclosure of Invention
The invention aims to provide a polishing device with double polishing heads for a biological ceramic spherical surface, which can effectively solve the problem that the polishing degree of the existing biological ceramic spherical surface can not meet the requirements of implantation on the surface of a human body and the microroughness.
In order to solve the technical problems, the invention is realized by the following technical scheme: a polishing device with double polishing heads for biological ceramic spherical surfaces comprises an operation table, a left spiral polishing component, a right spiral polishing component, a fixed polishing disk and magnetorheological polishing liquid, the fixed polishing disk is fixed on the operation table, the left spiral polishing component and the right spiral polishing component are symmetrically arranged on the operation table relative to the fixed polishing disk, the top of the left spiral polishing component is provided with a feed inlet, the top of the right spiral polishing component is provided with a discharge outlet, single spiral grooves are respectively arranged between the left spiral polishing component and the left end face of the fixed polishing disk and between the right spiral polishing component and the right end face of the fixed polishing disk, the starting point of the single spiral groove is positioned at the center of the fixed polishing disk, the starting points of the single spiral grooves on the left side and the right side of the fixed polishing disk are communicated, the single spiral groove is filled with magnetorheological polishing liquid, and the left spiral polishing assembly and the right spiral polishing assembly are both internally provided with magnetic field generators.
Preferably, left side spiral polishing subassembly includes drive arrangement, rotatory polishing dish and spiral polishing head, drive arrangement fixes on the operation panel, drive arrangement drive rotatory polishing dish rotates, spiral polishing head be located between rotatory polishing dish and fixed polishing dish and with fixed polishing dish fixed connection, rotatory polishing dish is opened towards the terminal surface of fixed polishing dish has first helicla flute, it has the second helicla flute to open on the spiral polishing head, it has the third helicla flute to open on the fixed polishing dish and the relative face of rotatory polishing dish, single helicla flute is constituteed to first helicla flute, second helicla flute and third helicla flute, still be fixed with on the rotatory polishing dish magnetic field generator.
Preferably, the cross section of the first spiral groove is rectangular, and the magnetic field generator is fixed in the first spiral groove.
Preferably, the cross section of the second spiral grooves is in the shape of a double circular arc.
Preferably, the cross section of the third spiral groove is circular arc.
Preferably, the driving device drives the rotary polishing disk to rotate through the coupling.
Preferably, the rotating polishing disk of the left-screw polishing assembly and the rotating polishing disk of the right-screw polishing assembly rotate in opposite directions during polishing.
Preferably, the top end of the fixed polishing disc is provided with a guide chute communicated with the discharge hole.
Compared with the prior art, the invention has the advantages that: through the cooperation of left spiral polishing subassembly and right spiral polishing subassembly and fixed polishing dish, let treat that the polishing work piece moves to the single helicla flute on right side in the single helicla flute on left side, it polishes to become solid-like magnetorheological polishing fluid through being influenced by the magnetic field, can control the polishing time of treating the polishing work piece through the rotation of left spiral polishing subassembly and right spiral polishing subassembly, thereby can comparatively accurate control polishing degree, and magnetorheological polishing fluid is liquid when not receiving the magnetism, can be better with treat that the polishing work piece adaptation, trun into solid-like for traditional polishing after receiving the magnetic field, can realize higher polishing precision, satisfy the polishing degree requirement of biological ceramic sphere completely.
The left-hand spiral polishing assembly comprises a driving device, a rotary polishing disk and a spiral polishing head, the driving device is fixed on an operation table, the driving device drives the rotary polishing disk to rotate, the spiral polishing head is located between the rotary polishing disk and the fixed polishing disk and fixedly connected with the fixed polishing disk, a first spiral groove is formed in the end face, facing the fixed polishing disk, of the rotary polishing disk, a second spiral groove is formed in the spiral polishing head, a third spiral groove is formed in the face, opposite to the fixed polishing disk and the rotary polishing disk, of the fixed polishing disk, a single spiral groove is formed by the first spiral groove, the second spiral groove and the third spiral groove, and the magnetic field generator is further fixed on the rotary polishing disk. The single spiral groove is formed by combining three spiral grooves, so that the processing is more facilitated, and the workpiece to be processed is driven to move in the single spiral groove through the rotation of the rotary polishing disc.
The cross section of the first spiral groove is rectangular, and the magnetic field generator is fixed in the first spiral groove. The cross section is rectangular, so that the magnetic field generator can be better placed, the distance between the magnetic field generator and the magnetorheological polishing solution is shortened, and a better effect is achieved on the magnetorheological polishing solution.
The cross section of the second spiral grooves is in the shape of a double circular arc. The double circular arcs are upper and lower circular arcs, and the left and right sides of the double circular arcs are provided with openings, so that the double circular arcs can be conveniently matched with the left polishing disk and the right polishing disk and can be matched with the structure of a biological ceramic spherical surface.
The cross section of the third spiral groove is arc-shaped. The shape of the biological ceramic spherical surface is better adapted, and one side of the single spiral groove is blocked.
The rotating polishing disk of the left spiral polishing assembly and the rotating polishing disk of the right spiral polishing assembly rotate in opposite directions during polishing. The part to be machined can enter from the polishing assembly on one side and exit from the polishing assembly on the other side without stopping to place and take the part.
And a guide chute communicated with the discharge hole is arranged at the top end of the fixed polishing disk. The processed parts enter the material guide groove from the material outlet and are convenient to take out.
Drawings
FIG. 1 is a schematic structural diagram of a polishing device with two polishing heads for spherical surface of bio-ceramic according to the present invention;
FIG. 2 is a front view of a fixed polishing disk of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a front view of a rotary polishing disk of the present invention;
fig. 5 is a sectional view taken along line B-B in fig. 4.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 5, an embodiment of a polishing device with two polishing heads for a bio-ceramic spherical surface according to the present invention is a polishing device with two polishing heads for a bio-ceramic spherical surface, which includes an operation table 5, a left spiral polishing assembly 3, a right spiral polishing assembly 4, a fixed polishing disk 2 and a magnetorheological polishing solution 6, wherein the fixed polishing disk 2 is fixed on the operation table 5, the left spiral polishing assembly 3 and the right spiral polishing assembly 4 are symmetrically disposed on the operation table 5 with respect to the fixed polishing disk 2, that is, as shown in the position of fig. 1, the left spiral polishing assembly 3 is located on the left side of the fixed polishing disk 2, the right spiral polishing assembly 4 is located on the right side of the fixed polishing disk 2, a feeding port is formed at the top of the left spiral polishing assembly 3, a discharging port is formed at the top of the right spiral polishing assembly 4, and a gap is formed between the left end face of the left spiral polishing assembly 3 and the left end face of the fixed polishing disk 2, A single spiral groove is formed between the right end face of the right spiral polishing component 4 and the right end face of the fixed polishing disk 2, the starting point of the single spiral groove is located in the center of the fixed polishing disk 2, the starting points of the single spiral grooves on the left side and the right side of the fixed polishing disk 2 are communicated, magnetorheological polishing liquid 6 is filled in the single spiral groove, and magnetic field generators 8 are arranged in the left spiral polishing component 3 and the right spiral polishing component 4.
For a specific left-spiral polishing assembly 3 structure, the left-spiral polishing assembly 3 comprises a driving device 11, a rotary polishing disk 9 and a spiral polishing head 7, the driving device 11 is fixed on an operation table 5, the driving device 11 drives the rotary polishing disk 9 to rotate, the spiral polishing head 7 is located between the rotary polishing disk 9 and the fixed polishing disk 2 and fixedly connected with the fixed polishing disk 2, a first spiral groove 91 is formed in the end face, facing the fixed polishing disk 2, of the rotary polishing disk 9, a second spiral groove is formed in the spiral polishing head 7, a third spiral groove 21 is formed in the face, opposite to the fixed polishing disk 2 and the rotary polishing disk 9, of the fixed polishing disk 2, the first spiral groove 91, the second spiral groove and the third spiral groove 21 form a single spiral groove, and the magnetic field generator 8 is further fixed on the rotary polishing disk 9.
Generally, the cross section of the first spiral groove 91 is rectangular, the magnetic field generator 8 is fixed in the first spiral groove 91, the cross section of the second spiral groove is double arc-shaped, the cross section of the third spiral groove 21 is arc-shaped, and the first spiral groove 91 and the third spiral groove 21 are respectively positioned at two sides of the second spiral groove to form a complete single spiral groove, so that the processing is convenient.
The driving device 11 generally adopts a motor, the rotating polishing disk 9 is driven to rotate by the coupler 10, and the rotating direction of the rotating polishing disk 9 of the left spiral polishing assembly 3 is opposite to that of the rotating polishing disk 9 of the right spiral polishing assembly 4 during polishing, so that a polishing piece to be processed can enter from one side and exit from the other side.
The structure of the right-handed screw polishing assembly 4 is identical to that of the left-handed screw polishing assembly 3 except that it is mounted in a mirror image with respect to the fixed polishing disc 2.
During specific processing, the top of the left spiral polishing component 3 is selected as a feeding hole or a discharging hole, the top of the right spiral polishing component 4 is selected as a discharging hole or a feeding hole, the discharging hole is communicated with a guide chute 22 at the top of the fixed polishing disk 2, liquid magnetorheological polishing liquid 6 is injected into the single spiral groove through the feeding hole, a magnetic field generator 8 is started to generate a magnetic field, the liquid magnetorheological polishing liquid 6 is changed into a solid-like chain-shaped magnetorheological brush from liquid under the action of the magnetic field, the magnetorheological brush with the circular spiral track cross section is formed in the single spiral groove, the element 100 to be processed is placed into a cavity through the feeding hole, the left and the right driving devices 11 are started to rotate, one of the two driving devices rotates forwards and backwards, the polishing disks 9 on the two sides are driven to rotate forwards and backwards, the element 100 to be processed is driven to move along the cavity of the spiral track through the rotation of the polishing disks, and the element 100 to be processed is polished by the magnetorheological brush, the left single spiral groove and the right single spiral groove are communicated through a through hole arranged in the center of the fixed polishing disc 2, so that the element 100 to be processed is circularly polished in the cavity, discharged from the discharge hole and taken out through the guide chute 22 until the polishing precision meets the requirement.
The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.
Claims (3)
1. The utility model provides a two rubbing heads of biological ceramic sphere polishing processingequipment which characterized in that: the magnetorheological polishing slurry polishing device comprises an operating table (5), a left spiral polishing component (3), a right spiral polishing component (4), a fixed polishing disc (2) and magnetorheological polishing liquid (6), wherein the fixed polishing disc (2) is fixed on the operating table (5), the left spiral polishing component (3) and the right spiral polishing component (4) are symmetrically arranged on the operating table (5) relative to the fixed polishing disc (2), a feed inlet is formed in the top of the left spiral polishing component (3), a discharge outlet is formed in the top of the right spiral polishing component (4), single spiral grooves are formed between the left end faces of the left spiral polishing component (3) and the fixed polishing disc (2) and between the right end faces of the right spiral polishing component (4) and the fixed polishing disc (2), the starting point of each single spiral groove is arranged in the center of the fixed polishing disc (2), and the single starting points on the left side and the right side of the fixed polishing disc (2) are communicated with each other, the single spiral groove is filled with magnetorheological polishing liquid (6), and magnetic field generators (8) are arranged in the left spiral polishing assembly (3) and the right spiral polishing assembly (4);
the left spiral polishing component (3) comprises a driving device (11), a rotary polishing disk (9) and a spiral polishing head (7), the driving device (11) is fixed on the operating platform (5), the driving device (11) drives the rotary polishing disk (9) to rotate, the spiral polishing head (7) is positioned between the rotary polishing disk (9) and the fixed polishing disk (2) and is fixedly connected with the fixed polishing disk (2), the end surface of the rotary polishing disk (9) facing the fixed polishing disk (2) is provided with a first spiral groove (91), a second spiral groove is formed on the spiral polishing head (7), a third spiral groove (21) is formed on the surface of the fixed polishing disk (2) opposite to the rotary polishing disk (9), the first spiral groove (91), the second spiral groove and the third spiral groove (21) form a single spiral groove, the rotary polishing disk (9) is also fixed with the magnetic field generator (8);
the cross section of the first spiral groove (91) is rectangular, and the magnetic field generator (8) is fixed in the first spiral groove (91);
the cross section of the second spiral groove is in a double-arc shape, namely an upper arc and a lower arc, and the left side and the right side of the second spiral groove are provided with openings, so that the second spiral groove can be conveniently matched with a left polishing disc and a right polishing disc and is matched with the structure of a biological ceramic spherical surface;
the cross section of the third spiral groove (21) is arc-shaped, so that the shape of the biological ceramic spherical surface is better adapted, and one side of the single spiral groove is blocked;
the driving device (11) drives the rotary polishing disk (9) to rotate through the coupler (10).
2. The bio-ceramic spherical surface double-polishing-head polishing device as claimed in claim 1, wherein: the rotating polishing disk (9) of the left spiral polishing assembly (3) and the rotating polishing disk (9) of the right spiral polishing assembly (4) rotate in opposite directions during polishing.
3. The bio-ceramic spherical surface double-polishing-head polishing device as claimed in claim 1, wherein: a guide chute (22) communicated with the discharge hole is arranged at the top end of the fixed polishing disk (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648638.9A CN110340742B (en) | 2019-07-18 | 2019-07-18 | Biological ceramic sphere double-polishing-head polishing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648638.9A CN110340742B (en) | 2019-07-18 | 2019-07-18 | Biological ceramic sphere double-polishing-head polishing device |
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| CN110340742A CN110340742A (en) | 2019-10-18 |
| CN110340742B true CN110340742B (en) | 2021-08-27 |
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| CN201910648638.9A Active CN110340742B (en) | 2019-07-18 | 2019-07-18 | Biological ceramic sphere double-polishing-head polishing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113635169A (en) * | 2021-08-10 | 2021-11-12 | 江苏吉星新材料有限公司 | Burr trimming mechanism and polishing device |
| CN113732874B (en) * | 2021-11-02 | 2022-02-11 | 杭州高卡机械有限公司 | Device for manufacturing fine beads |
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| JP2002205252A (en) * | 2001-01-09 | 2002-07-23 | Advantest Corp | Working method for sphere and jig therefor |
| CN207900812U (en) * | 2017-12-24 | 2018-09-25 | 广东工业大学 | A kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU522949A1 (en) * | 1974-09-17 | 1976-07-30 | Витебский Станкостроительный Завод Им.С.М.Кирова | Ball Finishing Device |
| SU757300A1 (en) * | 1974-09-27 | 1980-08-23 | Vitebskij Sp K B Zuboobrabat | Apparatus for working balls |
| JPH0584656A (en) * | 1991-09-27 | 1993-04-06 | Matsushita Electric Ind Co Ltd | Magnetic fluid polishing method |
| JP2001341065A (en) * | 2000-06-02 | 2001-12-11 | Ntn Corp | Method and device for machining ball |
| KR100864149B1 (en) * | 2007-04-05 | 2008-10-16 | 이원근 | Spherical ball polishing method and spherical ball polishing apparatus |
| KR100864150B1 (en) * | 2007-04-12 | 2008-10-16 | 이원근 | Polishing method and polishing apparatus of the ball using the plural plate |
| CN103991017A (en) * | 2014-05-21 | 2014-08-20 | 浙江工业大学 | Device for machining high-precision sphere through shaft eccentric type curvature-variable groove |
| CN204565867U (en) * | 2015-03-30 | 2015-08-19 | 浙江工业大学 | A kind of circulation feeding device being applied to the processing of sphere |
| CN108544305A (en) * | 2018-04-24 | 2018-09-18 | 广东工业大学 | A kind of device of the magnetorheological auxiliary V-groove high-efficiency high-accuracy polishing Ceramic Balls of cluster |
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2019
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002205252A (en) * | 2001-01-09 | 2002-07-23 | Advantest Corp | Working method for sphere and jig therefor |
| CN207900812U (en) * | 2017-12-24 | 2018-09-25 | 广东工业大学 | A kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls |
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Denomination of invention: A polishing device for bioceramic spherical surface with double polishing heads Effective date of registration: 20221205 Granted publication date: 20210827 Pledgee: Industrial and Commercial Bank of China Limited Jinhua Branch Pledgor: CANWELL MEDICAL Co.,Ltd. Registration number: Y2022330003493 |
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Denomination of invention: A Bioceramic Spherical Double Polishing Head Polishing Device Granted publication date: 20210827 Pledgee: Industrial and Commercial Bank of China Limited Jinhua Branch Pledgor: CANWELL MEDICAL Co.,Ltd. Registration number: Y2024980000673 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |