CN103465151A - Tool for processing brittle material at high speed and processing method of tool - Google Patents
Tool for processing brittle material at high speed and processing method of tool Download PDFInfo
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- CN103465151A CN103465151A CN2012101869513A CN201210186951A CN103465151A CN 103465151 A CN103465151 A CN 103465151A CN 2012101869513 A CN2012101869513 A CN 2012101869513A CN 201210186951 A CN201210186951 A CN 201210186951A CN 103465151 A CN103465151 A CN 103465151A
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Abstract
The invention provides a tool for processing a brittle material at high speed and a processing method of the tool. The tool comprises a fixing component and a handle-free grinding wheel, wherein the fixing component is fixedly arranged on a high-frequency high-speed rotating shaft, the handle-free grinding wheel is fixedly arranged on the fixing component, and the high-frequency high-speed rotating shaft drives the fixing component to rotate so that the handle-free grinding wheel can be used for processing the brittle material.
Description
Technical field
The invention relates to a kind of fragile material machining tool, particularly about a kind of machining tool of speed lapping processed glass.
Background technology
Because prosperity, the running gear of network meets light demand, therefore the consumer turns to running gear gradually to the demand of personal computer or mobile computer, for example mobile phone, personal digital assistant (PDA), these running gears need be used Touch Screen, and Touch Screen comprises touch-control circuit and transparent cover glass.On manufacturing, this cover glass is made as follows: after the whole piece glass-cutting is become to meet the glass of size requirements, again the part of its clear-cut margin is ground, to reach level and smooth purpose, grinding steps can be avoided glass to be subject to stress when assembling and burst apart, cause the decline of yield, also can avoid assembler to be hurt by sharp keen glass burr when assembling.
The mode of abrading glass is nothing more than grinding with manual type or automation equipment.Underhand polish is in the majority in the mode of chamfering, but the bad control of overall dimensions.The automation equipment lapping mode comprises with computer numerical controls (CNC) processing, has mentioned a kind of automation CNC glass processing lapping device in the patent No. M328344 of Taiwan.
Refer to Fig. 1 (a), the schematic diagram that this figure is existing glass processing lapping device 10, existing glass processing lapping device 10 comprises spindle drum 103, main shaft 104 and existing machining tool 101, and this existing machining tool 101 comprises assembling parts 105 and emery wheel 106.Main shaft 104 and the assembling parts 105 that can do high-speed motion are housed on spindle drum 103, on assembling parts 105, join with emery wheel 106, main shaft 104 drives assembling parts 105 and rotates so that glass material 102 is processed with emery wheel 106, and this emery wheel 106 can be installed carse, medium and small three kinds of emery wheels according to the glass grinding demand.
Refer to Fig. 1 (b), the schematic diagram that this figure is existing machining tool 101.Assembling parts 105 comprises fixed part 107, collet chuck 108, annulus nut 109 and handle of a knife 111.Fixed part 107 has ring screw face 110, and have be positioned at these ring screw face 110 inside hollow open 112 to hold this collet chuck 108, this collet chuck 108 can fully closely be inserted among the hollow open 112 of this fixed part 107.Handle of a knife 111 and the common integrally welded assembly of emery wheel 106, modal for example T-shaped emery wheel, it comprises emery wheel 106 and handle of a knife 111.The inner surface of this annulus 109 also has screw thread, and after this handle of a knife 111 inserts this collet chuck 108, when ring screw face 110 is locked in these annulus 109 rotations, this collet chuck 108 just can clamp this handle of a knife 111, therefore can make T-shaped emery wheel be fixed in this fixed part 107.
Yet usually when existing machining tool 101 when side direction is applied in external force and is ground, assembling parts 105 or handle of a knife 111 be subject to lateral stress to affect meeting very large, the rotation that causes emery wheel 106 is not to rotate with one heart with axle center and existing machining tool 101 is shaken tempestuously, especially heal when large when the diameter ratio of handle of a knife 111 and emery wheel 106, lateral stress is easy to cause the bending of assembling parts 105 or handle of a knife 111, under this situation, the expensive main shaft 104 of high-speed rotary change of team injury, and the glass material that also can easily make attrition process causes cracked (chipping), this is quite large on the processing impact.On the other hand, owing to by means of collet chuck 108 and sleeve, fixing emery wheel 106 and handle of a knife 111, when rotating speed, to heal when high, the vibrations meeting of collet chuck 108 is more violent, the mode that clamps handle of a knife 111 with collet chuck 108 will heal built on the sand, and therefore expecting to have another kind of machining tool can overcome these problems.
Summary of the invention
Stability in order can to take into account the convenience of automatically changing this fixed part and to increase this and rotate without the handle of a knife emery wheel time, the structure of inventor's combination between the two to this is improved.
In view of this, propose a kind of instrument for High-speed machining glass, it comprises fixed part and without the handle of a knife emery wheel.This fixed part is fixed in the high-frequency high-speed rotating shaft, and this is fixed in this fixed part without the handle of a knife emery wheel, and this high-frequency high-speed rotating shaft drives this fixed part rotation so that this is processed this glass without the handle of a knife emery wheel.
According to above-mentioned conception, a kind of instrument for the High-speed machining fragile material is proposed, it comprises fixed part and without the handle of a knife emery wheel.This fixed part is fixed in the high-frequency high-speed rotating shaft, and this is fixed in this fixed part without the handle of a knife emery wheel, and this high-frequency high-speed rotating shaft drives this fixed part rotation so that this is processed this fragile material without the handle of a knife emery wheel.
According to above-mentioned conception, a kind of method of High-speed machining fragile material is proposed, the method comprises the following steps: to provide this fragile material.Provide without the handle of a knife emery wheel so that this fragile material is processed.
According to above-mentioned conception, a kind of instrument of High-speed machining Touch Screen is proposed, it comprises emery wheel, wherein this emery wheel comprises discoid abrasive wheel body, upper surface and lower surface.It is first plane that this upper surface becomes substantially, and it is second plane that this lower surface becomes substantially, and wherein whole discoid abrasive wheel body is all between this upper surface and this lower surface.
The vibrations that the machining tool that the application carries and processing method thereof produce in the time of can effectively reducing high-frequency high-speed rotating shaft rotation, and the life-span of prolongation machining tool.
The accompanying drawing explanation
Fig. 1 (a): the schematic diagram of existing glass processing lapping device;
Fig. 1 (b): the schematic diagram of existing machining tool;
Fig. 2 (a): the schematic diagram of the application's the first preferred embodiment machining tool;
Fig. 2 (b): the schematic diagram of the application's the second preferred embodiment machining tool;
Fig. 3: the schematic diagram of the application's the 3rd preferred embodiment processing unit (plant); And
Fig. 4: the schematic diagram of the application's the 4th preferred embodiment processing unit (plant).
The specific embodiment
Refer to Fig. 2 (a), the schematic diagram that this figure is the application's the first preferred embodiment machining tool 22.Machining tool 22 comprises fixed part 221 and without handle of a knife emery wheel 222.This fixed part 221 is fixed in the rotating shaft (not shown).This is fixed in this fixed part 221 without handle of a knife emery wheel 222, and this rotating shaft has axial line and drives these fixed part 221 rotations so that this is processed without 222 pairs of materials of handle of a knife emery wheel.Because emery wheel 222 can adopt diamond wheel, therefore the material of processing can be fragile material, jade, metal or the hardness material lower than diamond.Fragile material can comprise glass, pottery, sapphire or ruby.
This fixed part 221 (or being called hilt (tool holder)) has pyramidal shape, and has at least one screw hole 223, and this at least one screw hole 223 is in order to fix this without handle of a knife emery wheel 222.This fixed part 221 has standard tool changing groove 230, and this standard tool changing groove 230 is changed this fixed part 221 for the mode with automation.This fixed part 221 comprises standard couplings 224 and protuberance 225, and its Plays couplings 224 lays respectively at the first end of this fixed part 221 and second end contrary with this first end with protuberance 225.This standard couplings 224 is coupled to this rotating shaft, and this protuberance 225 is positioned at the shaft core position CL 1 on this axial line and is coupled to this without handle of a knife emery wheel 222.In this application, machining tool 22 also comprises normal structure 229, and this normal structure 229 comprises the structure from standard couplings 224 to standard tool changing groove 230, is beneficial to the replacing of this fixed part 221.
This comprises annular contact surface 226 and axle center hole (not shown) without handle of a knife emery wheel 222.This axle center hole is coupled to this protuberance 225.This annular contact surface 226 has a plurality of diamond particle 2261.This annular contact surface 226 is the contact-making surface identical with processed fragile material section configuration, and in a preferred embodiment, this annular contact surface 226 can have the arcuation of the section that substantially is in depression, and this shape can adapt to the demand of grinding R angle or fillet.This also comprises that without handle of a knife emery wheel 222 at least one through hole (not shown) is in order to allow at least one screw 227 through this at least one through hole (not shown), and can make at least one screw 227 lock corresponding at least one screw hole 223, the mode of this combination can will be firmly fixed at this fixed part 221 without handle of a knife emery wheel 222, turn above processing also and can not cause the high-frequency high-speed main shaft to damage because vibrations make machining tool 22 flexural deformations even if the rotating speed of high frequency standard high speed rotating shaft reaches per minute 10000, therefore extend the life-span of main shaft.In one embodiment, this at least one screw 227 comprises 3 screws, this at least one screw hole 223 is included in 3 relevant positions and corresponding 3 screw holes of described 3 screws difference, formed three fixing points of these 3 screw holes take shaft core position CL1 as the center of circle, respectively differ 120 degree with same radius and angle and configure, this can obtain economy and again than prior art structure more firmly.
With existing machining tool 101, compare, the machining tool 22 that the application proposes fixes without handle of a knife emery wheel 222 by means of protuberance 225 and at least one screw 227, a plurality of fixing points more can be by fixing securely without handle of a knife emery wheel 222 than single collet chuck, and because lack handle of a knife 111, the energy rotated can more directly be sent to without handle of a knife emery wheel 222, under high rotating speed, the vibrations of machining tool 22 are less, therefore with existing machining tool 101, use collet chucks 108 and sleeve 109 to fix emery wheel 106 and compare and seem more excellent.The structure of the application's machining tool 22 can make structurally to break prior art restriction structurally without handle of a knife emery wheel 222, for example the large I of each diamond particle 2261 is at diameter below 15 microns, 75 more than diamond particle per square inch of the density reachables of a plurality of diamond particle 2261.Also can break through this mode without handle of a knife emery wheel 222 of operation, for example this rotating speed without handle of a knife emery wheel 222 at least can reach per minute 10000 and turns above.This diameter without handle of a knife emery wheel 222 can coordinate the density of the rotating speed of rotating shaft and a plurality of diamond particle 2261 and be designed in suitable scope.
Refer to Fig. 2 (b), the schematic diagram that this figure is the application's the second preferred embodiment machining tool 24.Machining tool 24 is structurally roughly the same with machining tool 22, the shape difference of only having protuberance 228, protuberance 225 has cylindrical shape, and protuberance 228 has the slightly shape of cone, and protuberance 228 and the coupling of axle center hole without handle of a knife emery wheel 222 can reach the effect of concentric damping.Protuberance 225 or 228 shape can be designed to other shape, for example can be triangle cone, regular cube, tetrahedron, hexahedron, octahedron ... Deng, the shape that can reach in design concentric damping effect all can be used.
Refer to Fig. 3, the schematic diagram that this figure is the application's the 3rd preferred embodiment processing unit (plant) 26.Processing unit (plant) 26 comprises without handle of a knife emery wheel 262 and main shaft 261, without handle of a knife emery wheel 262, is coupled to main shaft 261.Generally speaking, machining tool 22 or 24 can be changed automatically with the demand because adapting to different cuttings, engraving or grinding, but more firm in order to allow without handle of a knife emery wheel 222, without handle of a knife emery wheel 262, can not need by fixed part 221 directly and main shaft 261 couples, yet main shaft 261 is nonstandard product in the case, must have made to order according to demand.
In Fig. 3, main shaft 261 can be designed to have axial line and at least one screw hole 263, and comprises protuberance 265, and this screw hole 263 is the center of circle with the shaft core position CL2 that this protuberance 265 all be take on this axial line.This comprises annular contact surface 266 and axle center hole (not shown) without handle of a knife emery wheel 262.This axle center hole is coupled to the protuberance 265 of this main shaft 261.This annular contact surface 266 has a plurality of diamond particle 2661.This annular contact surface 266 is the contact-making surface identical with processed fragile material section configuration, and in a preferred embodiment, this annular contact surface 266 can have the arcuation of the section that substantially is in depression, and this shape can adapt to the demand of grinding R angle or fillet.This also comprises that without handle of a knife emery wheel 262 at least one fixed mediums (not showing, for example through hole) is in order to allow at least one screw 267 through this at least one fixed mediums, and can make at least one screw 267 lock corresponding this at least one screw hole 263.Main shaft 261 can comprise that a built-in motor (not shown) is to drive this without 262 rotations of handle of a knife emery wheel.
Refer to Fig. 4, the schematic diagram that this figure is the application's the 4th preferred embodiment processing unit (plant) 28.Processing unit (plant) 28 comprises without handle of a knife emery wheel 282 and main shaft 281, without handle of a knife emery wheel 282, is coupled to main shaft 281.The shape that can have flying saucer without handle of a knife emery wheel 282, this comprises discoid abrasive wheel body 2821, upper surface 2822 and lower surface 2823 without handle of a knife emery wheel 282.It is first plane that upper surface 2822 becomes substantially, in Fig. 4, is for example the arc surfaced of projection, can be in another preferred embodiment the shape of cone with in the main shaft that embeds particular design.It is second plane that lower surface 2823 becomes substantially, in Fig. 4, is for example the arc surfaced of projection, and wherein whole discoid abrasive wheel body 2821 is all between this upper surface 2822 and this lower surface 2823.This discoid abrasive wheel body 2821 has axle center hole (not shown) and annular contact surface 286, has a plurality of diamond particle 2861 on this annular contact surface 286.Similarly, the contact-making surface that this annular contact surface 286 is general plane, in a preferred embodiment, this annular contact surface 286 can have the arcuation of the section that substantially is in depression, and this shape can adapt to the demand of grinding R angle or fillet.Main shaft 281 has axial line and screw hole 283, and the shaft core position CL2 that this screw hole 283 be take on this axial line is as the center of circle and contain this shaft core position CL2.Screw 287 is locked this screw hole 283 through this axle center hole, and will be fixed in main shaft 281 without handle of a knife emery wheel 282.
Processing method without handle of a knife emery wheel 222,262,282 can be by means of auxiliary processing of image sensor (Image sensor apparatus).During due to the work brittleness material, the backstay used during location can have stress to fragile material, easily cause fragile material cracked, and can first at least one Working position accurately be recorded by image sensor, then this fragile material is placed in to the initial point of machining area, fix this fragile material in this initial point in the vacuum suction mode again, finally can control this without handle of a knife emery wheel 222 according to this at least one Working position, 262,282 move to preset track, so that fragile material is cut, carves, grinds or polishing.
Image sensor apparatus can be arranged in processing unit (plant) 26,28 or with it and separate, in the situation that separate the fragment that Image sensor apparatus produces in the time of more can not being subject to processing or the impact of liquid.
Embodiment
1. the instrument for High-speed machining glass, comprise fixed part and without the handle of a knife emery wheel.This fixed part is fixed in the high-frequency high-speed rotating shaft, and this is fixed in this fixed part without the handle of a knife emery wheel, and this high-frequency high-speed rotating shaft drives this fixed part rotation so that this is processed this glass without the handle of a knife emery wheel.
2. instrument as described in Example 1, wherein this step of this glass being processed without the handle of a knife emery wheel comprises at least one step that is selected from following group, and this group comprises edge chamfer to this glass, to this glass-engraving shape and to the machined surface of this glass, carries out polishing.This fixed part has pyramidal shape.This fixed part has at least one screw hole, and this at least one screw hole is in order to fix this without the handle of a knife emery wheel.This fixed part comprises standard couplings and protuberance.This standard couplings is coupled to this high-frequency high-speed rotating shaft, and this protuberance is positioned at the shaft core position of this rotating shaft and is coupled to this without the handle of a knife emery wheel.This is diamond wheel without the handle of a knife emery wheel, and this has discoid without the handle of a knife emery wheel, and this comprises annular contact surface and axle center hole without the handle of a knife emery wheel.This annular contact surface has a plurality of diamond particle, and this axle center hole is coupled to this protuberance.
3. instrument as described as embodiment 1 ~ 2, wherein this rotating speed without the handle of a knife emery wheel at least reaches per minute 10000 and turns above, and the size of each diamond particle is at diameter below 15 microns, and the density of a plurality of diamond particle reaches per square inch 75 more than diamond particle.
4. the instrument for the High-speed machining fragile material, comprise fixed part and without the handle of a knife emery wheel.This fixed part is fixed in the high-frequency high-speed rotating shaft, and this is fixed in this fixed part without the handle of a knife emery wheel, and this high-frequency high-speed rotating shaft drives this fixed part rotation so that this is processed this fragile material without the handle of a knife emery wheel.
5. instrument as described in Example 4, wherein this step of this fragile material being processed without the handle of a knife emery wheel comprises at least one step that is selected from following group, and this group comprises: to the edge chamfer of this fragile material, to this fragile material engraving shape and to the finished surface of this fragile material, carry out polishing.This fragile material is glass or sapphire.This fixed part has pyramidal shape, and this fixed part has at least one screw hole, and this at least one screw hole is in order to fix this without the handle of a knife emery wheel.This fixed part comprises standard couplings and protuberance.This standard couplings is coupled to this high-frequency high-speed rotating shaft, and this protuberance is positioned at the shaft core position of this rotating shaft and is coupled to this without the handle of a knife emery wheel.This is diamond wheel without the handle of a knife emery wheel, and this has discoid without the handle of a knife emery wheel.This comprises annular contact surface and axle center hole without the handle of a knife emery wheel.This annular contact surface has a plurality of diamond particle, and this axle center hole is coupled to this protuberance.
6. instrument as described as embodiment 4 ~ 5, wherein this rotating speed without the handle of a knife emery wheel at least reaches per minute 10000 and turns above, and the size of each diamond particle is at diameter below 15 microns, and the density of a plurality of diamond particle reaches per square inch 75 more than diamond particle.
7. the method for a High-speed machining fragile material, comprise the following steps: to provide this fragile material.Provide without the handle of a knife emery wheel so that this fragile material is processed.
8. method as described in Example 7, also comprise the following steps: to provide image sensor to record at least one ad-hoc location of this fragile material with shooting.This fragile material is placed in to initial point, and wherein this initial point is positioned at machining area.Fix this fragile material in this initial point in the vacuum suction mode.Controlling this according to this at least one ad-hoc location moves to preset track without the handle of a knife emery wheel.
9. the instrument of a High-speed machining Touch Screen, comprise emery wheel, and wherein this emery wheel comprises discoid abrasive wheel body, upper surface and lower surface.It is first plane that this upper surface becomes substantially, and it is second plane that this lower surface becomes substantially, and wherein whole discoid abrasive wheel body is all between this upper surface and this lower surface.
10. instrument as described in Example 9, wherein this Touch Screen comprises cover glass.This discoid abrasive wheel body is to the edge chamfer of this cover glass, carry out polishing to this cover glass engraving shape or to the machined surface of this cover glass.This emery wheel is diamond wheel.This emery wheel comprises axle center hole, in order to fix this emery wheel.This discoid abrasive wheel body has at least one fixed mediums.This discoid abrasive wheel body comprises annular contact surface, and this annular contact surface has a plurality of diamond particle.
Explanation of the present invention and embodiment have more than been disclosed, yet above disclosure not is used for limiting the present invention, and all those skilled in the art, do not breaking away under spirit of the present invention and scope, all can make various changes and modification, within this change still belongs to the covering scope of patent of the present invention with modification.
Claims (10)
1. the instrument for High-speed machining glass comprises:
Fixed part, it is fixed in the high-frequency high-speed rotating shaft; And
Without the handle of a knife emery wheel, it is fixed in this fixed part, and this high-frequency high-speed rotating shaft drives this fixed part rotation so that this is processed this glass without the handle of a knife emery wheel.
2. instrument as claimed in claim 1, wherein,
This step of this glass being processed without the handle of a knife emery wheel comprises at least one step that is selected from following group, and this group comprises edge chamfer to this glass, to this glass-engraving shape and to the finished surface of this glass, carries out polishing;
This fixed part has pyramidal shape;
This fixed part has at least one screw hole, and this at least one screw hole is in order to fix this without the handle of a knife emery wheel;
This fixed part comprises:
The standard couplings, it is coupled to this high-frequency high-speed rotating shaft; And
Protuberance, it is positioned at the shaft core position of this rotating shaft and is coupled to this without the handle of a knife emery wheel;
This is diamond wheel without the handle of a knife emery wheel;
This has discoid without the handle of a knife emery wheel; And
This comprises without the handle of a knife emery wheel:
Annular contact surface, it has a plurality of diamond particle; And
Axle center hole, it is coupled to this protuberance.
3. instrument as claimed in claim 2, wherein,
This rotating speed without the handle of a knife emery wheel at least reaches per minute 10000 and turns above;
The size of each diamond particle is at diameter below 15 microns; And
The density of a plurality of diamond particle reaches per square inch 75 more than diamond particle.
4. the instrument for the High-speed machining fragile material comprises:
Fixed part, it is fixed in the high-frequency high-speed rotating shaft; And
Without the handle of a knife emery wheel, it is fixed in this fixed part, and this high-frequency high-speed rotating shaft drives this fixed part rotation so that this is processed this fragile material without the handle of a knife emery wheel.
5. instrument as claimed in claim 4, wherein,
This step of this fragile material being processed without the handle of a knife emery wheel comprises at least one step that is selected from following group, and this group comprises edge chamfer to this fragile material, to this fragile material engraving shape and to the finished surface of this fragile material, carries out polishing;
This fragile material is glass or sapphire;
This fixed part has pyramidal shape;
This fixed part has at least one screw hole, and this at least one screw hole is in order to fix this without the handle of a knife emery wheel;
This fixed part comprises:
The standard couplings, it is coupled to this high-frequency high-speed rotating shaft; And
Protuberance, it is positioned at the shaft core position of this rotating shaft and is coupled to this without the handle of a knife emery wheel;
This is diamond wheel without the handle of a knife emery wheel;
This has discoid without the handle of a knife emery wheel; And
This comprises without the handle of a knife emery wheel:
Annular contact surface, it has a plurality of diamond particle; And
Axle center hole, it is coupled to this protuberance.
6. instrument as claimed in claim 5, wherein,
This rotating speed without the handle of a knife emery wheel at least reaches per minute 10000 and turns above;
The size of each diamond particle is at diameter below 15 microns; And
The density of a plurality of diamond particle reaches per square inch 75 more than diamond particle.
7. the method for a High-speed machining fragile material, comprise the following steps:
This fragile material is provided; And
Provide without the handle of a knife emery wheel so that this fragile material is processed.
8. method as claimed in claim 7, also comprise the following steps:
Provide image sensor to record at least one ad-hoc location of this fragile material with shooting;
This fragile material is placed in to initial point, and wherein this initial point is positioned at machining area;
Fix this fragile material in this initial point in the vacuum suction mode;
Controlling this according to this at least one ad-hoc location moves to preset track without the handle of a knife emery wheel.
9. the instrument of a High-speed machining Touch Screen, comprise emery wheel, and wherein this emery wheel comprises:
Discoid abrasive wheel body;
Upper surface, it becomes first plane substantially; And
Lower surface, it becomes second plane substantially, and wherein whole discoid abrasive wheel body is all between this upper surface and this lower surface.
10. instrument as claimed in claim 9, wherein,
This Touch Screen comprises cover glass;
This discoid abrasive wheel body is to the edge chamfer of this cover glass, carry out polishing to this cover glass engraving shape or to the machined surface of this cover glass;
This emery wheel is diamond wheel;
This emery wheel comprises axle center hole, and this axle center hole is in order to fix this emery wheel;
This discoid abrasive wheel body has at least one fixed mediums; And
This discoid abrasive wheel body comprises:
Annular contact surface, it has a plurality of diamond particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101869513A CN103465151A (en) | 2012-06-07 | 2012-06-07 | Tool for processing brittle material at high speed and processing method of tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101869513A CN103465151A (en) | 2012-06-07 | 2012-06-07 | Tool for processing brittle material at high speed and processing method of tool |
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| CN103465151A true CN103465151A (en) | 2013-12-25 |
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| CN2012101869513A Pending CN103465151A (en) | 2012-06-07 | 2012-06-07 | Tool for processing brittle material at high speed and processing method of tool |
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| CN106392817A (en) * | 2016-09-07 | 2017-02-15 | 东旭科技集团有限公司 | Grinding method and device for edge of plate |
| CN107657661A (en) * | 2017-10-10 | 2018-02-02 | 湖南科技大学 | A kind of three-dimensional modeling method of parallel skive surface topography |
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Application publication date: 20131225 |