DE632946C - Verfahren zur Herstellung von Polschuhen fuer permanente Magnete - Google Patents
Verfahren zur Herstellung von Polschuhen fuer permanente MagneteInfo
- Publication number
- DE632946C DE632946C DED62117D DED0062117D DE632946C DE 632946 C DE632946 C DE 632946C DE D62117 D DED62117 D DE D62117D DE D0062117 D DED0062117 D DE D0062117D DE 632946 C DE632946 C DE 632946C
- Authority
- DE
- Germany
- Prior art keywords
- pole
- pole pieces
- sintering
- permanent magnets
- sintered
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 title claims description 8
- 238000005245 sintering Methods 0.000 claims description 11
- 239000011230 binding agent Substances 0.000 claims description 2
- 229940011182 cobalt acetate Drugs 0.000 claims description 2
- MULYSYXKGICWJF-UHFFFAOYSA-L cobalt(2+);oxalate Chemical compound [Co+2].[O-]C(=O)C([O-])=O MULYSYXKGICWJF-UHFFFAOYSA-L 0.000 claims description 2
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 238000003825 pressing Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 230000006698 induction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
-
- 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
- H01F1/06—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 in the form of particles, e.g. powder
- H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/086—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 in the form of particles, e.g. powder pressed, sintered, or bound together sintered
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Powder Metallurgy (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR743807D FR743807A (enrdf_load_stackoverflow) | 1931-10-14 | ||
DED62117D DE632946C (de) | 1931-10-14 | 1931-10-14 | Verfahren zur Herstellung von Polschuhen fuer permanente Magnete |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED62117D DE632946C (de) | 1931-10-14 | 1931-10-14 | Verfahren zur Herstellung von Polschuhen fuer permanente Magnete |
Publications (1)
Publication Number | Publication Date |
---|---|
DE632946C true DE632946C (de) | 1936-09-07 |
Family
ID=7058370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DED62117D Expired DE632946C (de) | 1931-10-14 | 1931-10-14 | Verfahren zur Herstellung von Polschuhen fuer permanente Magnete |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE632946C (enrdf_load_stackoverflow) |
FR (1) | FR743807A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE903217C (de) * | 1939-05-07 | 1954-02-04 | Degussa | Verwendung von Metallpulvern der Eisengruppe zum Herstellen von Formkoerpern durch Pressen bzw. Pressen und Erhitzen |
DE906001C (de) * | 1943-09-17 | 1954-03-08 | Deutsche Edelstahlwerke Ag | Dauermagnetkoerper fuer magnetelektrische Maschinen |
DE1213123B (de) * | 1954-07-02 | 1966-03-24 | Gert Deventer | Verfahren zur Herstellung selbstschmierender graphithaltiger, metallkeramischer Metallform-linge |
-
0
- FR FR743807D patent/FR743807A/fr not_active Expired
-
1931
- 1931-10-14 DE DED62117D patent/DE632946C/de not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE903217C (de) * | 1939-05-07 | 1954-02-04 | Degussa | Verwendung von Metallpulvern der Eisengruppe zum Herstellen von Formkoerpern durch Pressen bzw. Pressen und Erhitzen |
DE906001C (de) * | 1943-09-17 | 1954-03-08 | Deutsche Edelstahlwerke Ag | Dauermagnetkoerper fuer magnetelektrische Maschinen |
DE1213123B (de) * | 1954-07-02 | 1966-03-24 | Gert Deventer | Verfahren zur Herstellung selbstschmierender graphithaltiger, metallkeramischer Metallform-linge |
Also Published As
Publication number | Publication date |
---|---|
FR743807A (enrdf_load_stackoverflow) | 1933-04-07 |
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