CN108044809B - Numerical control milling center for rectangular graphite crucible - Google Patents
Numerical control milling center for rectangular graphite crucible Download PDFInfo
- Publication number
- CN108044809B CN108044809B CN201711258428.6A CN201711258428A CN108044809B CN 108044809 B CN108044809 B CN 108044809B CN 201711258428 A CN201711258428 A CN 201711258428A CN 108044809 B CN108044809 B CN 108044809B
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- China
- Prior art keywords
- graphite crucible
- numerical control
- milling
- machining system
- outer contour
- Prior art date
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 62
- 239000010439 graphite Substances 0.000 title claims abstract description 62
- 238000003801 milling Methods 0.000 claims abstract description 55
- 238000003754 machining Methods 0.000 claims abstract description 39
- 239000000725 suspension Substances 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 34
- 230000006872 improvement Effects 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a numerical control milling center of a rectangular graphite crucible, which comprises a frame, wherein a bottom surface processing system, an inner contour processing system and an outer contour processing system are arranged on the frame, and the bottom surface processing system comprises a workbench, a clamping device and an end surface milling device; the inner contour machining system comprises a horizontal numerical control milling device, wherein the horizontal numerical control milling device comprises a cantilever, a main shaft and a cylindrical milling cutter, the cylindrical milling cutter comprises a front blade and a side blade, and the front blade and the side blade are mutually perpendicular; the outer contour machining system comprises a suspension clamp and a profiling cutter group, wherein the suspension clamp comprises a supporting arm, and a tensioning mechanism is arranged at the front end of the supporting arm. According to the invention, the bottom surface processing of the crucible is finished by utilizing the bottom surface processing system, the inner contour processing system is used for processing the inner contour surface of the crucible, and the outer contour processing system is used for finishing the outer contour of the crucible, so that the processing efficiency of the rectangular graphite crucible is greatly improved. The invention is used for automatic processing of the rectangular graphite crucible.
Description
Technical Field
The invention relates to a processing device of a graphite crucible, in particular to a processing device of a rectangular graphite crucible.
Background
The graphite crucible is made of natural crystalline flake graphite and silicon carbide as main components. The heat-resistant alloy has good heat conductivity and high temperature resistance, and has small thermal expansion coefficient and certain anti-strain performance for rapid heating and quenching in the high-temperature use process. The alkaline solution has strong corrosion resistance to acid and has excellent chemical stability. The alloy has the excellent performance, so that the alloy is widely used for smelting alloy tool steel and nonferrous metals and alloys thereof in the industries of metallurgy, casting, machinery, chemical industry and the like, and has better technical and economic effects. The production requirements for graphite crucibles are therefore also relatively strict. The crucible is mainly formed by isostatic pressing, and the mouth of the crucible is mostly protruded to the outside after the forming and the size is uneven. For the size and aesthetic appeal of the crucible, the crucible must be sized and the protruding portion trimmed after molding.
The graphite crucible which is commonly used at present is cylindrical, but with the development of society, a rectangular graphite crucible with high capacity gradually replaces the cylindrical graphite crucible to become the mainstream of industry development. The trimming mode of the rectangular graphite crucible is completely different from that of the cylindrical graphite crucible, the cylindrical graphite crucible can be subjected to turning, and the mode cannot be applied to the rectangular graphite crucible, wherein in the prior art, the rectangular graphite crucible is finished based on numerical control milling. The traditional numerical control milling is almost impossible to complete a graphite crucible with a large volume and a deep cavity, the efficiency is low, the machining of all surfaces can be completed only by clamping for many times, and the requirement adapting to an automatic crucible production line cannot be met at all.
Disclosure of Invention
The invention aims to solve the technical problems that: the processing equipment can efficiently finish processing of the rectangular graphite crucible.
The invention solves the technical problems as follows: the rectangular graphite crucible numerical control milling center comprises a frame, wherein a bottom surface machining system, an inner contour machining system and an outer contour machining system are arranged on the frame, the bottom surface machining system comprises a workbench, a clamping device is arranged on the workbench, and an end surface milling device is arranged on the back surface of the workbench; the inner contour machining system comprises a horizontal numerical control milling device, wherein the horizontal numerical control milling device comprises a cantilever, a main shaft is arranged in the cantilever, a cylindrical milling cutter is fixed at the front end of the main shaft, the cylindrical milling cutter comprises a front edge and a side edge, and the front edge is mutually perpendicular to the side edge; the outer contour machining system comprises a suspension clamp and a profiling cutter group, wherein the suspension clamp comprises a supporting arm, and a tensioning mechanism is arranged at the front end of the supporting arm.
As a further improvement of the technical scheme, the bottom surface machining system further comprises a sliding rail, the workbench is in sliding connection with the sliding rail, the end face milling device is located at the front end of the sliding rail, and the horizontal numerical control milling device is located at the rear end of the sliding rail.
As a further improvement of the technical scheme, the outer contour machining system is positioned behind the horizontal numerical control milling device.
As a further improvement of the technical scheme, the outer contour machining system further comprises a driving device, and the driving device drives the suspension clamp to move towards the profiling cutter group.
As a further improvement of the above-mentioned solution, the end milling device comprises a disc milling cutter.
As a further improvement of the technical scheme, the profiling cutter group comprises four end face cutters and four chamfering cutters, the four end face cutters mutually enclose a rectangle, and the four chamfering cutters are positioned beside the four end face cutters.
As a further improvement of the technical scheme, the machine frame is also provided with a powder protection device.
As a further improvement of the technical scheme, the machine frame is also provided with an automatic feeding device and an automatic discharging device.
As a further improvement of the technical scheme, the clamping device comprises a base, a support bracket is arranged on the base, clamping plates are arranged at the front end and the rear end of the support bracket, and the clamping plates are movably connected with the support bracket.
The beneficial effects of the invention are as follows: according to the invention, the bottom surface processing of the crucible is finished by utilizing the bottom surface processing system, the inner contour processing system is used for processing the inner contour surface of the crucible, and the outer contour processing system is used for finishing the outer contour of the crucible, so that the processing efficiency of the rectangular graphite crucible is greatly improved. The invention is used for automatic processing of the rectangular graphite crucible.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is another perspective view of the present invention;
fig. 3 is a perspective view of a rectangular graphite crucible.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation. The technical features in the invention can be interactively combined on the premise of no contradiction and conflict.
Referring to fig. 1-2, a rectangular graphite crucible numerical control milling center comprises a rack, wherein a bottom surface machining system 1, an inner contour machining system 2 and an outer contour machining system 3 are arranged on the rack, the bottom surface machining system 1 comprises a workbench 11, a clamping device 12 is arranged on the workbench 11, and a milling end surface device 13 is arranged on the back surface of the workbench 11; after the rectangular graphite crucible is placed on the workbench, the outer surface of the rectangular graphite crucible is clamped by the clamping device, and then the end face milling device 13 finishes the machining of the bottom face of the graphite crucible according to the machining requirement. The inner contour machining system 2 comprises a horizontal numerical control milling device 21, the horizontal numerical control milling device 21 comprises a cantilever 211, a main shaft 212 is arranged in the cantilever 211, a cylindrical milling cutter 213 is fixed at the front end of the main shaft 212, the cylindrical milling cutter 213 comprises a front edge and a side edge, the front edge is perpendicular to the side edge, when the graphite crucible is sent to the inner contour machining system, the horizontal numerical control milling device drives the main shaft 212 to perform triaxial linkage, so that the cylindrical milling cutter can machine the inner contour of the graphite crucible, and the front edge and the side edge are perpendicular to each other due to the fact that the cylindrical milling cutter can machine the inner contour of the graphite crucible in one clamping process; the outer contour machining system 3 comprises a suspension clamp 31 and a profiling cutter group 32, wherein the suspension clamp 31 comprises a supporting arm 311, and a tensioning mechanism 312 is arranged at the front end of the supporting arm 311. When the outer contour of the graphite crucible needs to be machined, the suspended clamp clamps and fixes the graphite crucible from the inner end of the graphite crucible, and then the profiling cutter group synchronously machines the outer contour of the graphite crucible, so that one-step forming of the outer contour is ensured, and the machining efficiency of the rectangular graphite crucible is greatly improved.
Further as a preferred embodiment, the bottom surface machining system 1 further includes a sliding rail 14, the working table 11 is slidably connected with the sliding rail 14, the end surface milling device 13 is located at the front end of the sliding rail 14, and the horizontal numerically controlled milling device 21 is located at the rear end of the sliding rail 14. The end face milling device and the horizontal numerical control milling device are communicated through the sliding rail, so that the machining of the bottom face and the inner contour face of the graphite crucible can be finished through one-time clamping, and the machining efficiency of the graphite crucible is further improved.
Further as a preferred embodiment, the outer contour machining system 3 is located behind the horizontal numerically controlled milling device 21. In order to improve the processing quality of the graphite crucible, the inner contour of the graphite crucible is generally required to be processed first, and then the outer contour of the graphite crucible is required to be processed. Of course, this sequencing has little effect on improving the processing efficiency of the graphite crucible. The mounting position of each processing system can be adaptively adjusted by a person skilled in the art according to actual processing requirements, such as space of a site, processing habit, etc.
Further as a preferred embodiment, the outer contour machining system 3 further includes a driving device 33, and the driving device 33 drives the suspended clamp 31 to move towards the profiling tool group 32. Of course, the driving device can drive the copying tool set to move in addition to the suspended clamp, so long as the driving device can enable the suspended clamp and the copying tool set to move relatively. The driving mode is various, and the driving mode can be driven by a gear rack, or driven by an air cylinder and an oil cylinder, or driven by a private motor to drive a screw nut to move.
Further as a preferred embodiment, the end milling device 13 comprises a disc milling cutter. The end face washing device may be provided with two or more cylindrical milling cutters other than the disc milling cutter, and any conventional end face milling cutter in the art may be used.
Further as a preferred embodiment, the profiling cutter group 32 comprises four end cutters and four chamfering cutters, wherein the four end cutters are mutually enclosed into a rectangle, and the four chamfering cutters are positioned beside the four end cutters.
Further as a preferred embodiment, the frame is further provided with a powder protection device, an automatic feeding device and an automatic discharging device (not shown). Because graphite processing can, can produce great dust, consequently a powder protector is overcoat in the frame, can reduce the influence of graphite processing to workshop environment, also can increase the dust catcher in dust protector when necessary, retrieves graphite powder. In order to improve the automation of the graphite crucible processing center, an automatic feeding device and an automatic discharging device can be introduced for further reducing the labor cost and improving the economic benefit.
Further as a preferred embodiment, the clamping device 12 includes a base 121, a support bracket 122 is disposed on the base 121, two clamping plates 123 are disposed at front and rear ends of the support bracket 122, and the clamping plates 123 are movably connected with the support bracket 122. Of course, the processing forms of the clamping device can be various, and the mode of the structure is adopted to enable the clamping device to be connected with the suspension clamp except for being applied to end face milling devices and inner contour processing, so that the clamping continuity of the graphite crucible is guaranteed.
Referring to fig. 3, a schematic perspective view of a rectangular graphite crucible is shown, and it is known that in the process of the graphite crucible, the bottom surface a, the annular end surface b, the inner surface c, and the outer contour d need to be processed. The bottom surface a is a flat surface, the machining is relatively simple, and the end face milling device is directly used for machining the bottom surface a after clamping. The annular end face b and the inner surface c are difficult to process, the inner surface c comprises four inner walls c 1and an inner bottom surface c2, the inner walls c1 are vertical to the inner bottom surface c2, the annular end face b is vertical to the inner bottom surface c1, and the depth of the inner wall c1 is larger, so that when the annular end face c and the inner bottom surface c are processed, the horizontal numerical control milling device is matched with a cylindrical milling cutter by using an extended processing arm, the milling processing of the annular end face and the inner surface can be completed by one-time operation under the driving of a numerical control system by using the cylindrical milling cutter, the suspended extension length of a general main shaft is required to be larger than the depth of a graphite crucible, and the main shaft is wrapped by the cantilever, so that the main shaft can be protected from being influenced by graphite powder. After the annular end face and the inner surface of the graphite crucible are machined, the inner surface can be used as a clamping reference surface, the suspended clamp is sleeved into the rectangular graphite crucible, then the graphite crucible and the suspended clamp are fixed by the tensioning mechanism, and then the profile modeling cutter cuts the outer profile of the graphite crucible to finish machining of the outer profile of the graphite crucible. Generally, the whole outer wheel of the graphite crucible is rectangular, but the round corners are rounded, so that the profiling cutter is also arranged into a rectangular package with chamfer angles, and the whole outer contour can be machined by one-time feeding, and the efficiency is quite high. Because the graphite material is softer, the profiling cutter can easily realize the rapid and accurate processing of the outer contour surface.
While the preferred embodiment of the present application has been described in detail, the application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the application, and these modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (6)
1. Rectangular graphite crucible numerical control mills machining center, including the frame, its characterized in that: the machine frame is provided with a bottom surface machining system (1), an inner contour machining system (2) and an outer contour machining system (3), the bottom surface machining system (1) comprises a workbench (11), the workbench (11) is provided with a clamping device (12), and the back surface of the workbench (11) is provided with an end surface milling device (13); the inner contour machining system (2) comprises a horizontal numerical control milling device (21), the horizontal numerical control milling device (21) comprises a cantilever (211), a main shaft (212) is arranged in the cantilever (211), a cylindrical milling cutter (213) is fixed at the front end of the main shaft (212), the cylindrical milling cutter (213) comprises a front edge and a side edge, and the front edge and the side edge are mutually perpendicular; the outer contour machining system (3) comprises a suspension clamp (31) and a profiling cutter group (32), wherein the suspension clamp (31) comprises a supporting arm (311), and a tensioning mechanism (312) is arranged at the front end of the supporting arm (311); the bottom surface machining system (1) further comprises a sliding rail (14), the workbench (11) is in sliding connection with the sliding rail (14), the end surface milling device (13) is located at the front end of the sliding rail (14), the horizontal numerical control milling device (21) is located at the rear end of the sliding rail (14), and the end surface milling device and the horizontal numerical control milling device are communicated through the sliding rail (14), so that the bottom surface and the inner contour surface of the graphite crucible can be machined through one-time clamping; the outer contour machining system (3) is positioned behind the horizontal numerical control milling device (21); the horizontal numerical control milling device (21) drives the main shaft (212) to perform three-axis linkage; the outer contour machining system (3) further comprises a driving device (33), and the driving device (33) drives the suspension clamp (31) to move towards the profiling cutter group (32).
2. The rectangular graphite crucible numerically controlled milling center as in claim 1, wherein: the end face milling device (13) comprises a disc milling cutter.
3. The rectangular graphite crucible numerically controlled milling center as in claim 1, wherein: the profiling cutter group (32) comprises four end face cutters and four chamfering cutters, the four end face cutters mutually enclose a rectangle, and the four chamfering cutters are positioned beside the four end face cutters.
4. The rectangular graphite crucible numerically controlled milling center as in claim 1, wherein: and a powder protection device is also arranged on the frame.
5. The rectangular graphite crucible numerically controlled milling center as in claim 1, wherein: the machine frame is also provided with an automatic feeding device and an automatic discharging device.
6. The numerically controlled milling center for rectangular graphite crucibles according to any one of claims 1 to 5, wherein: clamping device (12) are including base (121), be equipped with support bracket (122) on base (121), both ends all are equipped with splint (123) around support bracket (122), splint (123) and support bracket (122) swing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258428.6A CN108044809B (en) | 2017-12-04 | 2017-12-04 | Numerical control milling center for rectangular graphite crucible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258428.6A CN108044809B (en) | 2017-12-04 | 2017-12-04 | Numerical control milling center for rectangular graphite crucible |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108044809A CN108044809A (en) | 2018-05-18 |
| CN108044809B true CN108044809B (en) | 2024-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711258428.6A Active CN108044809B (en) | 2017-12-04 | 2017-12-04 | Numerical control milling center for rectangular graphite crucible |
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| Country | Link |
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| CN (1) | CN108044809B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1190807A (en) * | 1997-09-22 | 1999-04-06 | Toshiba Ceramics Co Ltd | Copy polishing device for container or the like |
| WO2009116476A1 (en) * | 2008-03-19 | 2009-09-24 | ジャパンスーパークォーツ株式会社 | Method and apparatus for cutting glass crucible |
| CN201735802U (en) * | 2010-06-28 | 2011-02-09 | 濮阳泓天威药业有限公司 | Special lathe face milling device |
| CN103143785A (en) * | 2013-03-12 | 2013-06-12 | 盛焕君 | Vertical three-shaft drilling machine tool |
| KR101343970B1 (en) * | 2013-07-02 | 2013-12-20 | 주식회사 이룸코리아 | System for cutting quartz crucible |
| CN205058315U (en) * | 2015-03-27 | 2016-03-02 | 江苏晨光数控机床有限公司 | Crucible centre bore processingequipment |
| CN205130144U (en) * | 2015-03-27 | 2016-04-06 | 江苏晨光数控机床有限公司 | Crucible hole processing equipment |
| KR101660449B1 (en) * | 2015-08-25 | 2016-09-27 | (주)코멕스카본 | Method for manufacturing of graphite workpiece |
| CN107336368A (en) * | 2017-07-12 | 2017-11-10 | 南通扬子碳素股份有限公司 | Graphite crucible produces lathes |
| CN207789355U (en) * | 2017-12-04 | 2018-08-31 | 佛山市南海区精鹰机械有限公司 | Rectangle graphite crucible NC Milling center |
-
2017
- 2017-12-04 CN CN201711258428.6A patent/CN108044809B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1190807A (en) * | 1997-09-22 | 1999-04-06 | Toshiba Ceramics Co Ltd | Copy polishing device for container or the like |
| WO2009116476A1 (en) * | 2008-03-19 | 2009-09-24 | ジャパンスーパークォーツ株式会社 | Method and apparatus for cutting glass crucible |
| CN201735802U (en) * | 2010-06-28 | 2011-02-09 | 濮阳泓天威药业有限公司 | Special lathe face milling device |
| CN103143785A (en) * | 2013-03-12 | 2013-06-12 | 盛焕君 | Vertical three-shaft drilling machine tool |
| KR101343970B1 (en) * | 2013-07-02 | 2013-12-20 | 주식회사 이룸코리아 | System for cutting quartz crucible |
| CN205058315U (en) * | 2015-03-27 | 2016-03-02 | 江苏晨光数控机床有限公司 | Crucible centre bore processingequipment |
| CN205130144U (en) * | 2015-03-27 | 2016-04-06 | 江苏晨光数控机床有限公司 | Crucible hole processing equipment |
| KR101660449B1 (en) * | 2015-08-25 | 2016-09-27 | (주)코멕스카본 | Method for manufacturing of graphite workpiece |
| CN107336368A (en) * | 2017-07-12 | 2017-11-10 | 南通扬子碳素股份有限公司 | Graphite crucible produces lathes |
| CN207789355U (en) * | 2017-12-04 | 2018-08-31 | 佛山市南海区精鹰机械有限公司 | Rectangle graphite crucible NC Milling center |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108044809A (en) | 2018-05-18 |
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