CN109093866B - Using method of bar drawing knife - Google Patents
Using method of bar drawing knife Download PDFInfo
- Publication number
- CN109093866B CN109093866B CN201811093966.9A CN201811093966A CN109093866B CN 109093866 B CN109093866 B CN 109093866B CN 201811093966 A CN201811093966 A CN 201811093966A CN 109093866 B CN109093866 B CN 109093866B
- Authority
- CN
- China
- Prior art keywords
- cutter
- bar
- picking
- rod
- greening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000010621 bar drawing Methods 0.000 title claims abstract description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000013078 crystal Substances 0.000 claims abstract description 41
- 238000005520 cutting process Methods 0.000 claims abstract description 27
- 238000009966 trimming Methods 0.000 claims abstract description 22
- 230000000712 assembly Effects 0.000 claims abstract description 19
- 238000000429 assembly Methods 0.000 claims abstract description 19
- 238000005498 polishing Methods 0.000 claims abstract description 15
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 15
- 239000004576 sand Substances 0.000 claims abstract description 11
- 230000007547 defect Effects 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000000227 grinding Methods 0.000 claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000007605 air drying Methods 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000012797 qualification Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 229910052594 sapphire Inorganic materials 0.000 description 14
- 239000010980 sapphire Substances 0.000 description 14
- 239000007788 liquid Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/02—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a using method of a bar drawing knife, which comprises the following steps: the method comprises the following steps of firstly, preparing cutters, preparing at least two groups of bar drawing cutter assemblies, secondly, trimming before drawing bars, thirdly, drawing bars by grouping cutters, fourthly, changing cutters and drawing bars, fifthly, changing the cutters and trimming the cutters, trimming the replaced bar drawing cutters, directly and comprehensively polishing the cutting edges of the bar drawing cutters through a greening silica sand wheel during trimming, washing with water and drying with a fan after polishing, sending the bar drawing cutters to a cutting edge observation point for local amplification observation, marking local defect points during observation, and performing fixed-area polishing trimming by using a greening silica sand head; and waiting for next bar picking until the blade observation point determines that the blade is smooth. The invention provides a using method of a bar drawing knife, which adopts a plurality of knife repairing and detecting procedures, can improve the processing efficiency, prolong the service life of the bar drawing knife, and has no damage to the surface of a crystal bar, thereby saving raw materials, reducing the cost and increasing the qualification rate.
Description
Technical Field
The invention relates to a sapphire processing method, in particular to a using method of a bar drawing knife, and belongs to the technical field of sapphire processing.
Background
Sapphire single crystal has excellent optical, mechanical, chemical and electrical properties, is widely used in fields with high requirements on wear resistance, corrosion resistance, high temperature resistance, insulation and the like, and particularly, sapphire has excellent optical transmittance so that the sapphire single crystal can be used as various special optical windows. In addition, the sapphire has excellent comprehensive performance, so that the sapphire becomes a GaN-based blue-white LED semiconductor substrate material with the best comprehensive performance; the existing sapphire single crystal preparation technology comprises a flame melting method, a pulling method, a kyropoulos method, a crucible descending method, a mold guiding method, a heat exchange method, a temperature gradient method, a horizontal directional solidification method and the like, wherein the kyropoulos method is proved to be the method most suitable for growing large-size high-quality sapphire single crystals through industrialization; the sapphire crystal grown by the kyropoulos method is a cylinder, and in the using process, a bar drawing process is often needed, for example, the part used as the LED substrate needs to be drawn in a direction perpendicular to the cylindrical surface of the cylinder, so that the bar drawing process also needs to be carried out in a direction perpendicular to the cylindrical surface of the cylinder; the crystal bar drawing knife is an annular cutter, and cuts the sapphire crystal at a certain rotating speed when the sapphire crystal bar is drawn; the existing sapphire bar drawing knife has various types, such as Chinese patent application numbers: 201720039015.8 discloses a sapphire crystal bar drawing cutter, which comprises a cylindrical cutter handle, a cylindrical bar drawing cutter body with a cavity and an annular cutter head, wherein the cutter handle is fixedly arranged at the tail end of the bar drawing cutter body, and the tail part of the knife handle is provided with a positioning shaft hole, the annular knife head is fixedly arranged at the head end of the rod drawing knife body, four cutting edges are uniformly distributed at the head end of the annular knife head, the inner wall of the rod drawing cutter body is uniformly provided with four liquid injection channels for cooling liquid to flow in, the liquid injection channels are arranged along the axial direction of the rod drawing cutter body, the outlet end of the liquid injection channel is positioned between two adjacent cutting edges, the inlet end of the liquid injection channel is positioned at the tail part of the bar drawing cutter body, draw excellent cutter body lateral wall to have four chip grooves of seting up along the bottom, the chip groove sets up and its length is for drawing the half of excellent cutter body length along drawing the axial of excellent cutter body, annotate liquid passageway and chip groove interval setting in the circumferencial direction. The utility model has simple structure and low production cost, the inner wall of the cutter is also provided with a liquid injection channel which can wash away the cutting scraps, thereby reducing the abrasion of the cutting scraps to the cutter and prolonging the service life of the cutter; but it is drawing the excellent in-process, easily to blade wearing and tearing or produce the opening, lead to machining efficiency low, extravagant raw and other materials, simultaneously, scrapes colored crystal bar surface easily.
Disclosure of Invention
In order to solve the problems, the invention provides a using method of the bar drawing knife, which adopts a plurality of knife repairing and detecting procedures, can improve the processing efficiency, prolong the service life of the bar drawing knife, and has no damage to the surface of a crystal bar, thereby saving raw materials, reducing the cost and increasing the qualification rate.
The invention discloses a using method of a bar drawing knife, which comprises the following specific steps:
preparing a cutter, namely preparing at least two groups of rod drawing cutter assemblies, wherein the two groups of rod drawing cutter assemblies have the same model;
secondly, trimming a cutter before picking the rod, trimming the cutter for preparation and standby picking cutters, fully polishing the cutting edge of the picking cutter through a greening silica sand wheel during trimming, and washing with water and drying with a fan after polishing;
thirdly, combining the cutters and picking the rods, namely assembling the two groups of rod picking cutter assemblies and the rod picking power member, and picking the rods by one group of rod picking cutter assemblies; another group of rod drawing cutter assemblies waits; when the bar picking cutter picks up a crystal bar, carrying out on-line trimming through a handheld greening silicon grinding wheel, and after trimming is finished, carrying out secondary bar picking;
fourthly, changing the cutter and drawing the rods, wherein when one group of rod drawing cutter assemblies draw the rods to a preset number, changing the cutter and drawing the rods; observing whether the surface of the crystal bar is damaged or not after each crystal bar is picked, changing the tool and picking the bar after the surface is abraded, and conveying the bar picking tool assembly which finishes tool repairing and is assembled before to a bar picking position to pick the bar; whether the surface of the crystal bar is damaged or not is observed specifically as follows: feeding the crystal bar to a rubber roller pair; the CCD industrial camera above the rubber pair roller is used for collecting images, the rubber pair roller is driven by a motor to complete the rotation of the crystal bar for one circle, the CCD industrial camera is used for collecting one circle of the crystal bar images and sending the crystal bar images to a processor for image processing, whether the crystal bar images have defects or not is judged, manual or automatic measurement is carried out, and when the defects are larger than a certain threshold value, the replacement of the bar picking cutter can be reminded;
fifthly, changing the cutter and repairing the cutter, taking out the rod cutter to the replaced work and repairing the cutter, directly taking out the cutting edge of the rod cutter through a greening silica sand wheel to comprehensively polish during cutter repairing, washing and air-drying a fan after polishing, sending the cutting edge to a cutting edge observation point to locally amplify and observe, marking a local defect point during observation, polishing the cutter in a fixed area by a greening silica sand head, and waiting for next rod taking out until the cutting edge observation point determines that the cutting edge is smooth.
In a preferred embodiment, the viewing point of the blade is formed by a CCD camera connected to a computer.
In a preferred embodiment, when the cutter is changed and repaired, the assembled rod drawing cutter assembly is directly subjected to cutting edge correction or is disassembled and then repaired.
In a preferred embodiment, the rod drawing knife is protected by a protective sleeve after the spare rod drawing knife is repaired in the second step and after the spare rod drawing knife is replaced and repaired in the fifth step.
As a preferred embodiment, the greening silica grinding wheel in the second step and the greening silica grinding wheel in the fifth step are both 60 #; and the handheld greening silicon grinding wheel in the third step and the greening silicon grinding head in the fifth step are both 80 #.
Compared with the prior art, the using method of the rod picking cutter is provided; before the crystal bar is processed, the greening silicon grinding wheel is used for trimming the bar drawing knife, and when the bar drawing is switched, the temporary trimming knife can increase the sharpness and linearity of the bar drawing knife; and surface smoothness; can improve the processing efficiency, prolong the service life of the bar drawing knife, and has no damage to the surface of the crystal bar, thereby saving raw materials, reducing the cost and increasing the qualification rate.
Detailed Description
The invention discloses a using method of a bar drawing knife, which comprises the following specific steps:
preparing a cutter, namely preparing at least two groups of rod drawing cutter assemblies, wherein the two groups of rod drawing cutter assemblies have the same model;
secondly, trimming a cutter before picking the rod, trimming the cutter for preparation and standby picking cutters, fully polishing the cutting edge of the picking cutter through a greening silica sand wheel during trimming, and washing with water and drying with a fan after polishing;
thirdly, combining the cutters and picking the rods, namely assembling the two groups of rod picking cutter assemblies and the rod picking power member, and picking the rods by one group of rod picking cutter assemblies; another group of rod drawing cutter assemblies waits; when the bar picking cutter picks up a crystal bar, carrying out on-line trimming through a handheld greening silicon grinding wheel, and after trimming is finished, carrying out secondary bar picking;
fourthly, changing the cutter and drawing the rods, wherein when one group of rod drawing cutter assemblies draw the rods to a preset number, changing the cutter and drawing the rods; observing whether the surface of the crystal bar is damaged or not after each crystal bar is picked, changing the tool and picking the bar after the surface is abraded, and conveying the bar picking tool assembly which finishes tool repairing and is assembled before to a bar picking position to pick the bar; whether the surface of the crystal bar is damaged or not is observed specifically as follows: feeding the crystal bar to a rubber roller pair; the CCD industrial camera above the rubber pair roller is used for collecting images, the rubber pair roller is driven by a motor to complete the rotation of the crystal bar for one circle, the CCD industrial camera is used for collecting one circle of the crystal bar images and sending the crystal bar images to a processor for image processing, whether the crystal bar images have defects or not is judged, manual or automatic measurement is carried out, and when the defects are larger than a certain threshold value, the replacement of the bar picking cutter can be reminded;
fifthly, changing the cutter and repairing the cutter, taking out the rod cutter to the replaced work and repairing the cutter, directly taking out the cutting edge of the rod cutter through a greening silica sand wheel to comprehensively polish during cutter repairing, washing and air-drying a fan after polishing, sending the cutting edge to a cutting edge observation point to locally amplify and observe, marking a local defect point during observation, polishing the cutter in a fixed area by a greening silica sand head, and waiting for next rod taking out until the cutting edge observation point determines that the cutting edge is smooth.
In still another embodiment, the blade observation point is formed by connecting a CCD camera with a computer.
In another embodiment, when the cutter is changed or repaired, the assembled rod drawing cutter assembly is directly subjected to cutting edge correction or is disassembled for repairing.
In another embodiment, the spare bar drawing knife in the second step is protected by a protective sleeve after being repaired, and the spare bar drawing knife in the fifth step is protected by a protective sleeve after being replaced and repaired.
In another embodiment, the greening silica grinding wheel in the second step and the greening silica grinding wheel in the fifth step are both 60 #; and the handheld greening silicon grinding wheel in the third step and the greening silicon grinding head in the fifth step are both 80 #.
The above-described embodiments are merely preferred embodiments of the present invention, and all equivalent changes or modifications of the structures, features and principles described in the claims of the present invention are included in the scope of the present invention.
Claims (5)
1. A method for using a bar drawing knife is characterized in that: the method specifically comprises the following steps:
firstly, preparing a cutter, namely preparing two groups of rod drawing cutter assemblies, wherein the two groups of rod drawing cutter assemblies have the same model;
secondly, trimming a cutter before picking the rod, trimming the cutter for preparation and standby picking cutters, fully polishing the cutting edge of the picking cutter through a greening silica sand wheel during trimming, and washing with water and drying with a fan after polishing;
thirdly, combining the cutters and picking the rods, namely assembling the two groups of rod picking cutter assemblies and the rod picking power member, and picking the rods by one group of rod picking cutter assemblies; another group of rod drawing cutter assemblies waits; when the bar picking cutter picks up a crystal bar, carrying out on-line trimming through a handheld greening silicon grinding wheel, and after trimming is finished, carrying out secondary bar picking;
fourthly, changing the cutter and drawing the rods, wherein when one group of rod drawing cutter assemblies draw the rods to a preset number, changing the cutter and drawing the rods; observing whether the surface of the crystal bar is damaged or not after each crystal bar is picked, changing the tool and picking the bar after the surface is abraded, and conveying the bar picking tool assembly which finishes tool repairing and is assembled before to a bar picking position to pick the bar; whether the surface of the crystal bar is damaged or not is observed specifically as follows: feeding the crystal bar to a rubber roller pair; the CCD industrial camera above the rubber pair roller is used for collecting images, the rubber pair roller is driven by a motor to complete the rotation of the crystal bar for one circle, the CCD industrial camera is used for collecting one circle of the crystal bar images and sending the crystal bar images to a processor for image processing, whether the crystal bar images have defects or not is judged, manual or automatic measurement is carried out, and when the defects are larger than a certain threshold value, the replacement of the bar picking cutter can be reminded;
fifthly, changing the cutter and repairing the cutter, taking out the rod cutter to the replaced work and repairing the cutter, directly taking out the cutting edge of the rod cutter through a greening silica sand wheel to comprehensively polish during cutter repairing, washing and air-drying a fan after polishing, sending the cutting edge to a cutting edge observation point to locally amplify and observe, marking a local defect point during observation, polishing the cutter in a fixed area by a greening silica sand head, and waiting for next rod taking out until the cutting edge observation point determines that the cutting edge is smooth.
2. The method for using the rod drawing knife according to claim 1, wherein: the blade observation point is formed by connecting a CCD camera with a computer.
3. The method for using the rod drawing knife according to claim 1, wherein: when the cutter is changed and repaired, the assembled rod drawing cutter assembly is directly subjected to cutting edge correction or repaired after being disassembled.
4. The method for using the rod drawing knife according to claim 1, wherein: and after the spare bar drawing cutter is used for repairing the cutter in the second step and after the spare bar drawing cutter is used for repairing the cutter in the fifth step, the bar drawing cutter is protected through a protective sleeve.
5. The method for using the rod drawing knife according to claim 1, wherein: the greening silicon grinding wheel in the second step and the greening silicon grinding wheel in the fifth step are both 60 #; and the handheld greening silicon grinding wheel in the third step and the greening silicon grinding head in the fifth step are both 80 #.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811093966.9A CN109093866B (en) | 2018-09-19 | 2018-09-19 | Using method of bar drawing knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811093966.9A CN109093866B (en) | 2018-09-19 | 2018-09-19 | Using method of bar drawing knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109093866A CN109093866A (en) | 2018-12-28 |
| CN109093866B true CN109093866B (en) | 2021-03-23 |
Family
ID=64866729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811093966.9A Active CN109093866B (en) | 2018-09-19 | 2018-09-19 | Using method of bar drawing knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109093866B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111070449A (en) * | 2020-01-06 | 2020-04-28 | 福建晶安光电有限公司 | Crystal processing technology |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202606891U (en) * | 2012-05-03 | 2012-12-19 | 长沙理工大学 | Tool wear monitor and alarm device of numerically controlled lathe |
| CN104741983A (en) * | 2015-03-31 | 2015-07-01 | 湖北远蓝机器有限公司 | Grinding miller |
| CN206382954U (en) * | 2016-11-02 | 2017-08-08 | 哈尔滨理工大学 | Tool wear monitoring special image acquisition system |
| CN107234488A (en) * | 2017-06-14 | 2017-10-10 | 沈阳机床（东莞）智能装备有限公司 | A kind of tool failure degree detection method based on Digit Control Machine Tool vision-based detection |
| CN206765119U (en) * | 2017-04-14 | 2017-12-19 | 浙江晶瑞电子材料有限公司 | One kind energy-conservation sapphire crystal ingot draws rod machine |
| CN207415460U (en) * | 2017-11-07 | 2018-05-29 | 苏州顺创新能源科技有限公司 | A kind of solar energy backboard film rapid changing knife cutoff device |
| CN108296880A (en) * | 2018-03-22 | 2018-07-20 | 山东大学 | Cutter based on CCD galls damage on-line measuring device and its detection method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10019601B4 (en) * | 2000-04-20 | 2006-09-14 | Wacker Chemie Ag | Layer composite material for sliding elements and for plain bearings, particularly crankshaft bearing, camshaft bearings or connecting rod bearings, comprises primary layer made from copper alloy or aluminum alloy |
-
2018
- 2018-09-19 CN CN201811093966.9A patent/CN109093866B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202606891U (en) * | 2012-05-03 | 2012-12-19 | 长沙理工大学 | Tool wear monitor and alarm device of numerically controlled lathe |
| CN104741983A (en) * | 2015-03-31 | 2015-07-01 | 湖北远蓝机器有限公司 | Grinding miller |
| CN206382954U (en) * | 2016-11-02 | 2017-08-08 | 哈尔滨理工大学 | Tool wear monitoring special image acquisition system |
| CN206765119U (en) * | 2017-04-14 | 2017-12-19 | 浙江晶瑞电子材料有限公司 | One kind energy-conservation sapphire crystal ingot draws rod machine |
| CN107234488A (en) * | 2017-06-14 | 2017-10-10 | 沈阳机床（东莞）智能装备有限公司 | A kind of tool failure degree detection method based on Digit Control Machine Tool vision-based detection |
| CN207415460U (en) * | 2017-11-07 | 2018-05-29 | 苏州顺创新能源科技有限公司 | A kind of solar energy backboard film rapid changing knife cutoff device |
| CN108296880A (en) * | 2018-03-22 | 2018-07-20 | 山东大学 | Cutter based on CCD galls damage on-line measuring device and its detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109093866A (en) | 2018-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109093866B (en) | Using method of bar drawing knife | |
| CN105598783B (en) | Grinder abrasive wheel abrasion correction control method, device, system | |
| CN101433981A (en) | Machine for finishing pipe end | |
| KR20140107136A (en) | Scribing wheel, holder unit, scribing apparatus and method for manufacturing the scribing wheel | |
| CN107617752A (en) | A kind of numerical control turning automatic chip breaking method based on high pressure cooling system | |
| CN114161245A (en) | Silicon wafer thinning device and thinning processing technology for monocrystalline silicon wafer | |
| CN106079126A (en) | A kind of single crystal silicon semiconductor multi-wire saw clamping device and method | |
| CN204640565U (en) | Optical glass bar groover | |
| CN104502826A (en) | Polycrystalline silicon ingot casting rapid test method | |
| WO2012050307A2 (en) | Apparatus and method for sawing single crystal ingot | |
| CN110026743A (en) | A kind of aluminum pipe milling process | |
| CN201132864Y (en) | Electrode of electro-polishing tool | |
| CN204545598U (en) | Pipe end trimming device | |
| CN111516161A (en) | Preparation method of pulley sheet of diamond wire cutting machine | |
| CN114603729B (en) | Polycrystalline silicon block visual discrimination zone-matched knife and dividing area multi-line cutting method | |
| CN104647616B (en) | A kind of sandbox cooled multi-line cutting machine | |
| CN204382057U (en) | Polishing silicon single crystal sheet equipment | |
| CN210393747U (en) | Device for removing graphite on end face of primary polycrystalline silicon rod | |
| CN102225592B (en) | Method for improving sapphire crystal ingot bar taking yield | |
| CN101310951A (en) | Silicon slice cutting edge collapse control method | |
| CN212143710U (en) | Tool for screening quartz crystal wafers | |
| CN218016241U (en) | Taper thread milling cutter with internal cooling structure | |
| CN209954371U (en) | Chamfering device on glass bar milling machine | |
| CN205363601U (en) | Cut but system of work intercooling of polishing | |
| JP5430143B2 (en) | Substrate manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240117 Address after: 250200 north head of Bu Cun Jie Dao Bu Dong Cun, Zhangqiu District, Jinan City, Shandong Province Patentee after: SHANDONG XINSHENG INDUSTRIAL DEVELOPMENT LLC Address before: 250204 building 89, well 3, north, Bucun street, Zhangqiu District, Jinan City, Shandong Province Patentee before: SHANDONG XINSHENG OPTOELECTRONIC TECHNOLOG CO.,LTD. |