JP2008258235A5 - - Google Patents

Download PDF

Info

Publication number
JP2008258235A5
JP2008258235A5 JP2007095964A JP2007095964A JP2008258235A5 JP 2008258235 A5 JP2008258235 A5 JP 2008258235A5 JP 2007095964 A JP2007095964 A JP 2007095964A JP 2007095964 A JP2007095964 A JP 2007095964A JP 2008258235 A5 JP2008258235 A5 JP 2008258235A5
Authority
JP
Japan
Prior art keywords
powder
cavity
molded
magnetic
composition
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
JP2007095964A
Other languages
Japanese (ja)
Other versions
JP2008258235A (en
JP4882834B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2007095964A priority Critical patent/JP4882834B2/en
Priority claimed from JP2007095964A external-priority patent/JP4882834B2/en
Publication of JP2008258235A publication Critical patent/JP2008258235A/en
Publication of JP2008258235A5 publication Critical patent/JP2008258235A5/ja
Application granted granted Critical
Publication of JP4882834B2 publication Critical patent/JP4882834B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (7)

  1. 成形型のキャビティ内に、第1の粉末とバインダとを含む第1の組成物を供給するとともに、前記第1の組成物を前記キャビティの内壁面に沿って配置する第1の工程と、
    前記内壁面に沿って配置した前記第1の組成物の内側のキャビティ内に、前記第1の粉末と異なる第2の粉末とバインダとを含む第2の組成物を供給する第2の工程と、
    前記キャビティ内に供給した前記第1の組成物と前記第2の組成物とを同時に加圧成形する第3の工程とを有し、
    前記第2の粉末の加圧成形体で構成された本体部と、該本体部の外表面を覆うように形成され、前記第1の粉末の加圧成形体で構成された被覆層とを有する複合成形体を製造することを特徴とする成形体の製造方法。
    Supplying a first composition containing a first powder and a binder into a cavity of a mold, and disposing the first composition along an inner wall surface of the cavity;
    The inner cavity of the first composition which is disposed along the inner wall surface, a second step of supplying a second composition comprising the first powder and the second powder and a binder Naru different When,
    A third step of simultaneously press-molding the first composition and the second composition supplied into the cavity;
    A main body portion formed of a pressure-molded body of the second powder, and a coating layer formed to cover the outer surface of the main body portion and formed of the pressure-molded body of the first powder. A method for producing a molded body, comprising producing a composite molded body.
  2. 前記第1の粉末は、磁性材料で構成されており、前記キャビティに磁界を付与することによって、前記第1の組成物を前記キャビティの内壁面に沿って配置する請求項1に記載の成形体の製造方法。 The molded body according to claim 1, wherein the first powder is made of a magnetic material, and the first composition is disposed along an inner wall surface of the cavity by applying a magnetic field to the cavity. Manufacturing method.
  3. 前記第1の粉末は、前記第2の粉末よりも耐食性に優れたものである請求項1または2に記載の成形体の製造方法。   The method for producing a molded body according to claim 1 or 2, wherein the first powder is superior in corrosion resistance to the second powder.
  4. 前記バインダとして、熱硬化性のバインダを用い、
    前記第3の工程の後、さらに、前記バインダを固化する工程を有する請求項1ないしのいずれかに記載の成形体の製造方法。
    As the binder, a thermosetting binder is used,
    The method for producing a molded body according to any one of claims 1 to 3 , further comprising a step of solidifying the binder after the third step.
  5. キャビティを有する成形型と、
    前記キャビティ内に、磁性材料で構成された第1の粉末と、該第1の粉末と異なる第2の粉末とを供給する粉末供給手段と、
    前記キャビティ内に供給された前記第1の粉末が、前記キャビティの内壁面に吸着するように、前記キャビティに磁界を付与する磁界付与手段とを有し、
    前記キャビティ内に前記第1の粉末を供給するとともに、前記キャビティに磁界を付与して前記内壁面に前記第1の粉末を吸着させた後、前記キャビティ内に前記第2の粉末を供給して成形することにより、前記第2の粉末の成形体で構成された本体部と、該本体部の外表面を覆うように形成され、前記第1の粉末の成形体で構成された被覆層とを有する複合成形体を製造するよう構成されたことを特徴とする成形装置。
    A mold having a cavity;
    In said cavity, a first powder of a magnetic material, a powder supply means for supplying a second powder Naru different and the first powder,
    Magnetic field applying means for applying a magnetic field to the cavity so that the first powder supplied into the cavity is adsorbed on the inner wall surface of the cavity;
    The first powder is supplied into the cavity, and a magnetic field is applied to the cavity to adsorb the first powder to the inner wall surface, and then the second powder is supplied into the cavity. By molding, a main body portion formed of the second powder molded body, and a coating layer formed to cover the outer surface of the main body portion and configured of the first powder molded body. A molding apparatus configured to produce a composite molded body having the same.
  6. 前記磁界付与手段は、前記キャビティの近傍に設けられたコイルと、該コイルに電圧を印加する電源回路とを有し、
    前記成形型は、前記キャビティの側面を構成するダイと、前記キャビティの下面を構成し、前記ダイに対して相対的に移動可能である下パンチと、前記キャビティの上面を構成し、前記ダイに対して相対的に移動可能である上パンチとを有し、
    前記コイルは、前記ダイ、前記下パンチおよび前記上パンチをそれぞれ囲うように設けられている請求項に記載の成形装置。
    Said magnetic field applying means, possess a coil provided in the vicinity of the cavity, and a power supply circuit for applying a voltage to said coil,
    The mold comprises a die that constitutes the side surface of the cavity, a lower punch that constitutes the lower surface of the cavity, a lower punch that is movable relative to the die, an upper surface of the cavity, and the die An upper punch that is relatively movable with respect to the
    The molding apparatus according to claim 5 , wherein the coil is provided so as to surround the die, the lower punch, and the upper punch .
  7. 請求項1ないしのいずれかに記載の成形体の製造方法で製造された成形体を、焼成する工程を有し、
    前記第2の粉末の焼結体で構成された本体部と、該本体部の外表面を覆うように形成され、前記第1の粉末の焼結体で構成された被覆層とを有する複合焼結体を製造することを特徴とする焼結体の製造方法。
    A step of firing the molded body manufactured by the method for manufacturing a molded body according to any one of claims 1 to 4 ,
    Composite firing comprising a main body portion made of a sintered body of the second powder and a coating layer formed to cover the outer surface of the main body portion and made of the sintered body of the first powder. A method for producing a sintered body, which comprises producing a bonded body.
JP2007095964A 2007-04-02 2007-04-02 Method for manufacturing molded body, molding apparatus, and method for manufacturing sintered body Active JP4882834B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007095964A JP4882834B2 (en) 2007-04-02 2007-04-02 Method for manufacturing molded body, molding apparatus, and method for manufacturing sintered body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007095964A JP4882834B2 (en) 2007-04-02 2007-04-02 Method for manufacturing molded body, molding apparatus, and method for manufacturing sintered body

Publications (3)

Publication Number Publication Date
JP2008258235A JP2008258235A (en) 2008-10-23
JP2008258235A5 true JP2008258235A5 (en) 2010-05-20
JP4882834B2 JP4882834B2 (en) 2012-02-22

Family

ID=39981542

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007095964A Active JP4882834B2 (en) 2007-04-02 2007-04-02 Method for manufacturing molded body, molding apparatus, and method for manufacturing sintered body

Country Status (1)

Country Link
JP (1) JP4882834B2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5642029B2 (en) * 2011-07-07 2014-12-17 三菱電機株式会社 Rare earth magnet separation and recovery method, rare earth magnet manufacturing method, and rotating electrical machine manufacturing method
CN103158197B (en) * 2011-12-27 2015-09-16 北京仁创科技集团有限公司 A kind of formation system of composite structural brick
CN103171045B (en) * 2011-12-27 2015-09-16 北京仁创科技集团有限公司 A kind of moulding process of composite structural brick
CN103660012B (en) * 2013-11-18 2015-12-23 宜兴市明月建陶有限公司 A kind of dry powder tile system and system watt method thereof
JP6213402B2 (en) * 2014-07-08 2017-10-18 トヨタ自動車株式会社 Method for manufacturing sintered body
CN106696068B (en) * 2015-07-23 2019-01-04 佛山市东鹏陶瓷有限公司 A kind of cloth system and its distributing method with surrounding edge structural ceramics brick
CN105082344A (en) * 2015-09-10 2015-11-25 贵州友仁建材科技开发有限公司 Manufacturing method and device for improving surface quality of brick

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220903A (en) * 1975-08-11 1977-02-17 Akitoshi Furuhata Process and apparatus for molding of metal powder for two-layered meta l
JPH0897028A (en) * 1994-09-29 1996-04-12 Taiyo Yuden Co Ltd Manufacture of ceramic material molded body for electronic part
JP2004014773A (en) * 2002-06-06 2004-01-15 Matsushita Electric Ind Co Ltd Ferrite core, magnetic field producing device using the same, and method of manufacturing magnetic field producing device
JP2004319749A (en) * 2003-04-16 2004-11-11 Kobe Steel Ltd Metal powder for pressed powder magnetic core, method for manufacturing the same and method for manufacturing the same

Similar Documents

Publication Publication Date Title
JP2008258235A5 (en)
CN106984805B (en) Feed for 3D printing and preparation method and application thereof
WO2010063439A3 (en) Method for providing an identifiable powder volume and method for producing an object
WO2011071908A3 (en) Method of making a nanomatrix powder metal compact
WO2008081784A1 (en) Method for manufacture of three-dimensionally shaped article
CN106862570A (en) A kind of many shower nozzle Collaborative Control metal dust 3D forming methods
WO2004110719A3 (en) Improved methods and systems for manufacture of layered three-dimensional forms
JP2017507807A (en) Method of manufacturing composite part and composite part
JP2009049202A5 (en)
BRPI0700444A (en) injection molded metal article and method for fabricating an injection molded metal article
WO2011044059A3 (en) An insulated mold cavity assembly and method for golf ball manufacturing
JP2009303485A5 (en)
JP2010010426A (en) Inductor and method of manufacturing the same
KR101044607B1 (en) Method of the preparation of surface molded inductors
IN2012DN03175A (en)
CN103334021B (en) Manufacturing process of micro-channel core body
WO2009035010A1 (en) Powder compact, sintered bearing, and process for producing the same
JP2013139125A5 (en)
JP2013067862A (en) Method for integrally molding composite metal
CN104741884A (en) Die internally provided with free-shaped water way and manufacturing method of die
CN104439997A (en) Method for quickly manufacturing metal mold
WO2008153336A3 (en) Case for electronic apparatus and method of manufacturing case for electronic apparatus
US8206526B2 (en) Process for reducing wrinkles in composite laminated structures
JP2007134680A5 (en)
CN205871233U (en) Magnetic control sintering forming device