DE69200070T2 - Verfahren zur Herstellung von magnetischen Formkörpern durch ein geschmierte Kaltpresse. - Google Patents
Verfahren zur Herstellung von magnetischen Formkörpern durch ein geschmierte Kaltpresse.Info
- Publication number
- DE69200070T2 DE69200070T2 DE69200070T DE69200070T DE69200070T2 DE 69200070 T2 DE69200070 T2 DE 69200070T2 DE 69200070 T DE69200070 T DE 69200070T DE 69200070 T DE69200070 T DE 69200070T DE 69200070 T2 DE69200070 T2 DE 69200070T2
- Authority
- DE
- Germany
- Prior art keywords
- die
- solid lubricant
- powder
- mold
- cavity
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title description 4
- 238000000465 moulding Methods 0.000 title 1
- 239000000843 powder Substances 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 30
- 239000000314 lubricant Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 25
- 238000003825 pressing Methods 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 17
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 14
- 239000000725 suspension Substances 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000004812 Fluorinated ethylene propylene Substances 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 229920009441 perflouroethylene propylene Polymers 0.000 claims description 3
- 229910001092 metal group alloy Inorganic materials 0.000 claims 1
- 239000002243 precursor Substances 0.000 claims 1
- 239000004809 Teflon Substances 0.000 description 15
- 229920006362 Teflon® Polymers 0.000 description 15
- 238000007731 hot pressing Methods 0.000 description 11
- 238000005056 compaction Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical class CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 239000012254 powdered material Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- OMRRUNXAWXNVFW-UHFFFAOYSA-N fluoridochlorine Chemical compound ClF OMRRUNXAWXNVFW-UHFFFAOYSA-N 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- ZWKKPKNPCSTXGA-UHFFFAOYSA-N iron neodymium Chemical compound [Fe].[Fe].[Nd] ZWKKPKNPCSTXGA-UHFFFAOYSA-N 0.000 description 1
- 239000006194 liquid suspension Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0576—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together pressed, e.g. hot working
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0005—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for briquetting presses
- B30B15/0011—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for briquetting presses lubricating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F2003/026—Mold wall lubrication or article surface lubrication
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/700,744 US5085828A (en) | 1991-05-15 | 1991-05-15 | Cold press die lubrication method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69200070D1 DE69200070D1 (de) | 1994-04-21 |
| DE69200070T2 true DE69200070T2 (de) | 1994-07-07 |
Family
ID=24814701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69200070T Expired - Fee Related DE69200070T2 (de) | 1991-05-15 | 1992-04-29 | Verfahren zur Herstellung von magnetischen Formkörpern durch ein geschmierte Kaltpresse. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5085828A (enExample) |
| EP (1) | EP0513890B1 (enExample) |
| JP (1) | JPH0660322B2 (enExample) |
| CN (1) | CN1025827C (enExample) |
| DE (1) | DE69200070T2 (enExample) |
| TW (1) | TW197969B (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5490969A (en) * | 1994-06-30 | 1996-02-13 | General Electric Company | Mould for isostatic pressing |
| US5682591A (en) * | 1994-08-24 | 1997-10-28 | Quebec Metal Powders Limited | Powder metallurgy apparatus and process using electrostatic die wall lubrication |
| US5676005A (en) * | 1995-05-12 | 1997-10-14 | H. C. Starck, Inc. | Wire-drawing lubricant and method of use |
| EP0973624B1 (en) * | 1997-04-09 | 2003-01-22 | GKN Sinter Metals Inc. | Dry die wall lubrication |
| US6482349B1 (en) | 1998-11-02 | 2002-11-19 | Sumitomo Special Metals Co., Ltd. | Powder pressing apparatus and powder pressing method |
| JP4709340B2 (ja) * | 1999-05-19 | 2011-06-22 | 株式会社東芝 | ボンド磁石の製造方法、およびアクチュエータ |
| US6365094B1 (en) * | 2000-01-31 | 2002-04-02 | Stackpole Limited | Lubricated die |
| JP3233359B2 (ja) * | 2000-03-08 | 2001-11-26 | 住友特殊金属株式会社 | 希土類合金磁性粉末成形体の作製方法および希土類磁石の製造方法 |
| EP1660313A1 (en) * | 2003-08-25 | 2006-05-31 | Alpex Pharma SA | Tablet punches and method for tableting |
| US7858023B2 (en) * | 2004-06-30 | 2010-12-28 | Tdk Corporation | Method for producing raw material powder for rare earth sintered magnet, method for producing rare earth sintered magnet, granule and sintered body |
| WO2008061342A1 (en) * | 2006-11-20 | 2008-05-29 | Stackpole Limited | Method and apparatus for die wall lubrication |
| JP5906054B2 (ja) * | 2011-10-14 | 2016-04-20 | 住友電気工業株式会社 | 圧粉成形体の成形方法 |
| CN105537887A (zh) * | 2015-12-25 | 2016-05-04 | 张理够 | 传动轴的生产方法 |
| CN106216969A (zh) * | 2016-07-26 | 2016-12-14 | 路望培 | 一种机械传动轴及其制备方法 |
| FR3073227B1 (fr) * | 2017-11-03 | 2020-01-10 | Medelpharm | Composition lubrifiante pour presse a comprimer |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5729769B2 (enExample) * | 1974-02-15 | 1982-06-24 | ||
| US4616796A (en) * | 1981-07-23 | 1986-10-14 | Inoue-Japax Research Incorporated | Magnetic retainer assembly |
| DE3379131D1 (en) * | 1982-09-03 | 1989-03-09 | Gen Motors Corp | Re-tm-b alloys, method for their production and permanent magnets containing such alloys |
| US4851058A (en) * | 1982-09-03 | 1989-07-25 | General Motors Corporation | High energy product rare earth-iron magnet alloys |
| ZA84247B (en) * | 1983-02-18 | 1984-09-26 | Lonza Ag | Parting and lubricating agent in solid form |
| US4902361A (en) * | 1983-05-09 | 1990-02-20 | General Motors Corporation | Bonded rare earth-iron magnets |
| US4792367A (en) * | 1983-08-04 | 1988-12-20 | General Motors Corporation | Iron-rare earth-boron permanent |
| US4844754A (en) * | 1983-08-04 | 1989-07-04 | General Motors Corporation | Iron-rare earth-boron permanent magnets by hot working |
| US4780226A (en) * | 1987-08-03 | 1988-10-25 | General Motors Corporation | Lubrication for hot working rare earth-transition metal alloys |
| US4881985A (en) * | 1988-08-05 | 1989-11-21 | General Motors Corporation | Method for producing anisotropic RE-FE-B type magnetically aligned material |
| JP3037699B2 (ja) * | 1988-09-30 | 2000-04-24 | 日立金属株式会社 | 耐割れ性及び配向性を改善した温間加工磁石ならびにその製造方法 |
| GB8918915D0 (en) * | 1989-08-18 | 1989-09-27 | Micanite & Insulators Co Ltd | Hot pressing of metal alloy |
-
1991
- 1991-05-15 US US07/700,744 patent/US5085828A/en not_active Expired - Fee Related
-
1992
- 1992-04-29 DE DE69200070T patent/DE69200070T2/de not_active Expired - Fee Related
- 1992-04-29 EP EP92201202A patent/EP0513890B1/en not_active Expired - Lifetime
- 1992-05-15 CN CN92103557.8A patent/CN1025827C/zh not_active Expired - Fee Related
- 1992-05-15 JP JP4148017A patent/JPH0660322B2/ja not_active Expired - Lifetime
- 1992-06-11 TW TW081104550A patent/TW197969B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0660322B2 (ja) | 1994-08-10 |
| TW197969B (enExample) | 1993-01-11 |
| CN1066807A (zh) | 1992-12-09 |
| DE69200070D1 (de) | 1994-04-21 |
| CN1025827C (zh) | 1994-09-07 |
| JPH05156307A (ja) | 1993-06-22 |
| EP0513890A1 (en) | 1992-11-19 |
| US5085828A (en) | 1992-02-04 |
| EP0513890B1 (en) | 1994-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |