CN109400162B - Graphite for electric spark machining and preparation method thereof - Google Patents
Graphite for electric spark machining and preparation method thereof Download PDFInfo
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- CN109400162B CN109400162B CN201811523024.XA CN201811523024A CN109400162B CN 109400162 B CN109400162 B CN 109400162B CN 201811523024 A CN201811523024 A CN 201811523024A CN 109400162 B CN109400162 B CN 109400162B
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- petroleum coke
- electric spark
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000010439 graphite Substances 0.000 title claims abstract description 34
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 34
- 238000003754 machining Methods 0.000 title claims abstract description 31
- 238000010892 electric spark Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000002006 petroleum coke Substances 0.000 claims abstract description 32
- 238000005470 impregnation Methods 0.000 claims abstract description 14
- 239000010426 asphalt Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000005087 graphitization Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 238000007580 dry-mixing Methods 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000000462 isostatic pressing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 2
- 239000003039 volatile agent Substances 0.000 claims 1
- 239000007770 graphite material Substances 0.000 abstract description 7
- 239000011329 calcined coke Substances 0.000 abstract description 4
- 229910021383 artificial graphite Inorganic materials 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 239000004005 microsphere Substances 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000005245 sintering Methods 0.000 description 4
- 239000002931 mesocarbon microbead Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000002008 calcined petroleum coke Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000006253 pitch coke Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010902 jet-milling Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/522—Graphite
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/528—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components
- C04B35/532—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components containing a carbonisable binder
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- Engineering & Computer Science (AREA)
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- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Ceramic Products (AREA)
Abstract
Description
This period of time | Set temperature (. degree. C.) | ℃/h |
0 | 30 | - |
34 | 200 | 5 |
20 | 250 | 2.5 |
50 | 300 | 1 |
80 | 350 | 0.625 |
300 | 500 | 0.5 |
80 | 550 | 0.625 |
60 | 600 | 0.833333 |
100 | 700 | 1 |
66 | 800 | 1.51515 |
50 | 900 | 2 |
48 | 900 | 0 |
24 | 900 | 0 |
50 | 800 | -2 |
50 | 700 | -2 |
50 | 600 | -2 |
50 | 500 | -2 |
50 | 400 | -2 |
50 | 300 | -2 |
50 | 200 | -2 |
50 | 100 | -2 |
200 | 50 | -0.25 |
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811523024.XA CN109400162B (en) | 2018-12-13 | 2018-12-13 | Graphite for electric spark machining and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811523024.XA CN109400162B (en) | 2018-12-13 | 2018-12-13 | Graphite for electric spark machining and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
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CN109400162A CN109400162A (en) | 2019-03-01 |
CN109400162B true CN109400162B (en) | 2021-08-03 |
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CN201811523024.XA Active CN109400162B (en) | 2018-12-13 | 2018-12-13 | Graphite for electric spark machining and preparation method thereof |
Country Status (1)
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CN (1) | CN109400162B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111925212B (en) * | 2020-07-03 | 2023-04-11 | 韶关赛普超硬材料科技有限公司 | Preparation method and application of special carbon material for electric spark machining |
CN116082041B (en) * | 2023-02-20 | 2024-06-25 | 平顶山东方碳素股份有限公司 | Graphite material with low thermal expansion coefficient and production method thereof |
CN118164760B (en) * | 2024-02-23 | 2024-09-24 | 河南碳路者新材料科技有限公司 | Preparation method of graphite material for electric spark machining |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5753305B2 (en) * | 1977-04-16 | 1982-11-12 | ||
JPS6220153B2 (en) * | 1983-10-17 | 1987-05-06 | Shinagawa Refractories Co | |
CN101760279A (en) * | 2008-12-23 | 2010-06-30 | 贵阳铝镁设计研究院 | Method for desulfurizing petroleum coke |
CN102060293A (en) * | 2010-11-16 | 2011-05-18 | 中钢集团吉林炭素股份有限公司 | Method for preparing binder-free graphite product |
CN102898142A (en) * | 2012-09-04 | 2013-01-30 | 天津锦美碳材科技发展有限公司 | Preparation method for die graphite material used for electrical discharge machining |
CN107673759A (en) * | 2017-11-07 | 2018-02-09 | 大同新成新材料股份有限公司 | A kind of preparation method of novel solar generating graphite heat accumulating |
-
2018
- 2018-12-13 CN CN201811523024.XA patent/CN109400162B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5753305B2 (en) * | 1977-04-16 | 1982-11-12 | ||
JPS6220153B2 (en) * | 1983-10-17 | 1987-05-06 | Shinagawa Refractories Co | |
CN101760279A (en) * | 2008-12-23 | 2010-06-30 | 贵阳铝镁设计研究院 | Method for desulfurizing petroleum coke |
CN102060293A (en) * | 2010-11-16 | 2011-05-18 | 中钢集团吉林炭素股份有限公司 | Method for preparing binder-free graphite product |
CN102898142A (en) * | 2012-09-04 | 2013-01-30 | 天津锦美碳材科技发展有限公司 | Preparation method for die graphite material used for electrical discharge machining |
CN107673759A (en) * | 2017-11-07 | 2018-02-09 | 大同新成新材料股份有限公司 | A kind of preparation method of novel solar generating graphite heat accumulating |
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CN109400162A (en) | 2019-03-01 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Graphite for EDM and its preparation method Effective date of registration: 20220928 Granted publication date: 20210803 Pledgee: Ningxiang sub branch of Bank of Changsha Co.,Ltd. Pledgor: HUNAN CHANGYU SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2022980016842 |
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Granted publication date: 20210803 Pledgee: Ningxiang sub branch of Bank of Changsha Co.,Ltd. Pledgor: HUNAN CHANGYU SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2022980016842 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A graphite for electrical discharge machining and its preparation method Granted publication date: 20210803 Pledgee: Ningxiang sub branch of Bank of Changsha Co.,Ltd. Pledgor: HUNAN CHANGYU SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2024980038739 |