JPS57124599A - Powder molding method for magnetic material - Google Patents

Powder molding method for magnetic material

Info

Publication number
JPS57124599A
JPS57124599A JP56009196A JP919681A JPS57124599A JP S57124599 A JPS57124599 A JP S57124599A JP 56009196 A JP56009196 A JP 56009196A JP 919681 A JP919681 A JP 919681A JP S57124599 A JPS57124599 A JP S57124599A
Authority
JP
Japan
Prior art keywords
powder
dies
parts
box
packing
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.)
Granted
Application number
JP56009196A
Other languages
Japanese (ja)
Other versions
JPS5940560B2 (en
Inventor
Taku Osada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokin Corp
Original Assignee
Tohoku Metal Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tohoku Metal Industries Ltd filed Critical Tohoku Metal Industries Ltd
Priority to JP56009196A priority Critical patent/JPS5940560B2/en
Publication of JPS57124599A publication Critical patent/JPS57124599A/en
Publication of JPS5940560B2 publication Critical patent/JPS5940560B2/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/022—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space whereby the material is subjected to vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/008—Applying a magnetic field to the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30—Feeding material to presses
    • B30B15/302—Feeding material in particulate or plastic state to moulding presses
    • B30B15/304—Feeding material in particulate or plastic state to moulding presses by using feed frames or shoes with relative movement with regard to the mould or moulds

Abstract

PURPOSE:To facilitate packing of magnetic powder into dies and to make compact molding possible by breaking the bridges formed in the opening parts of dies with rotating mechanisms, and applying mechanical oscillations to the dies and alternating fields to the packed magnetic powder simultaneously. CONSTITUTION:A feeder box 3 is slid to arrive at the upper part of the packing parts 1a of metallic dies 1, and elastic vanes 6 are rotated. By the revolutions thereof, the magnetic powder 4 in the box 3 is broken, and falls through opening parts 3a into the packing parts 1a. At this time, the powder bridges in the parts 1a are also broken by the vanes 6. The powder 4 dropped into the parts la is applied with alternating fields by an electromagnetic device 7; at the same time, the dies 1 are oscillated by a mechanical oscillation generator 8 and therefore the powder is packed compact in a short time. Next, the driving of the devices 7, 8 is stopped and the box 3 is slid to the right side. Thence, the upper punches located above are lowered to mold the powder 4 by compression.
JP56009196A 1981-01-25 1981-01-25 Magnetic powder molding method Expired JPS5940560B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56009196A JPS5940560B2 (en) 1981-01-25 1981-01-25 Magnetic powder molding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56009196A JPS5940560B2 (en) 1981-01-25 1981-01-25 Magnetic powder molding method

Publications (2)

Publication Number Publication Date
JPS57124599A true JPS57124599A (en) 1982-08-03
JPS5940560B2 JPS5940560B2 (en) 1984-10-01

Family

ID=11713748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56009196A Expired JPS5940560B2 (en) 1981-01-25 1981-01-25 Magnetic powder molding method

Country Status (1)

Country Link
JP (1) JPS5940560B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5933084A (en) * 1982-08-18 1984-02-22 Meidensha Electric Mfg Co Ltd Production of polygonal pipe
US6511631B2 (en) 2000-04-21 2003-01-28 Sumitomo Special Metals Co., Ltd. Powder compacting apparatus and method of producing a rare-earth magnet using the same
US7037465B2 (en) 2000-11-06 2006-05-02 Neomax Co., Ltd. Powder compacting method, powder compacting apparatus and method for producing rare earth magnet
US7214343B2 (en) 2001-03-29 2007-05-08 Neomax Co., Ltd. Method for producing granulated powder of R—FE—B type alloy and method for producing R—FE—B type alloy sintered compact
US7622010B2 (en) 2001-11-28 2009-11-24 Hitachi Metals, Ltd. Method and apparatus for producing granulated powder of rare earth alloy and method for producing rare earth alloy sintered compact
JP2015221458A (en) * 2015-08-07 2015-12-10 株式会社菊水製作所 Stirring feed shoe and powder compression molding machine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102555263B (en) * 2011-12-29 2015-06-03 南通天王液压机有限公司 Charging mechanism for powder forming and pressing machine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5933084A (en) * 1982-08-18 1984-02-22 Meidensha Electric Mfg Co Ltd Production of polygonal pipe
US6511631B2 (en) 2000-04-21 2003-01-28 Sumitomo Special Metals Co., Ltd. Powder compacting apparatus and method of producing a rare-earth magnet using the same
US7037465B2 (en) 2000-11-06 2006-05-02 Neomax Co., Ltd. Powder compacting method, powder compacting apparatus and method for producing rare earth magnet
US7214343B2 (en) 2001-03-29 2007-05-08 Neomax Co., Ltd. Method for producing granulated powder of R—FE—B type alloy and method for producing R—FE—B type alloy sintered compact
US7622010B2 (en) 2001-11-28 2009-11-24 Hitachi Metals, Ltd. Method and apparatus for producing granulated powder of rare earth alloy and method for producing rare earth alloy sintered compact
US7931756B2 (en) 2001-11-28 2011-04-26 Hitachi Metals, Ltd. Method and machine of making rare-earth alloy granulated powder and method of making rare-earth alloy sintered body
JP2015221458A (en) * 2015-08-07 2015-12-10 株式会社菊水製作所 Stirring feed shoe and powder compression molding machine

Also Published As

Publication number Publication date
JPS5940560B2 (en) 1984-10-01

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