DE3740547C2 - Verfahren zum Herstellen von Extruderschnecken und damit hergestellte Extruderschnecken - Google Patents

Verfahren zum Herstellen von Extruderschnecken und damit hergestellte Extruderschnecken

Info

Publication number
DE3740547C2
DE3740547C2 DE3740547A DE3740547A DE3740547C2 DE 3740547 C2 DE3740547 C2 DE 3740547C2 DE 3740547 A DE3740547 A DE 3740547A DE 3740547 A DE3740547 A DE 3740547A DE 3740547 C2 DE3740547 C2 DE 3740547C2
Authority
DE
Germany
Prior art keywords
sintered body
green compact
metal core
characterized records
compressible
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
Application number
DE3740547A
Other languages
German (de)
English (en)
Other versions
DE3740547A1 (de
Inventor
Tsuneyuki Ide
Kazunori Nakao
Masaru Inoue
Yoshikazu Kondo
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.)
Toyo Kohan Co Ltd
Original Assignee
Toyo Kohan Co 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 Toyo Kohan Co Ltd filed Critical Toyo Kohan Co Ltd
Publication of DE3740547A1 publication Critical patent/DE3740547A1/de
Application granted granted Critical
Publication of DE3740547C2 publication Critical patent/DE3740547C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0207—Using a mixture of prealloyed powders or a master alloy
    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/507—Screws characterised by the material or their manufacturing process
    • B29C48/509—Materials, coating or lining therefor
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Powder Metallurgy (AREA)
DE3740547A 1986-12-26 1987-11-30 Verfahren zum Herstellen von Extruderschnecken und damit hergestellte Extruderschnecken Expired - Fee Related DE3740547C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61308920A JPS63162801A (ja) 1986-12-26 1986-12-26 樹脂加工機械用スクリユ−の製造法

Publications (2)

Publication Number Publication Date
DE3740547A1 DE3740547A1 (de) 1988-07-07
DE3740547C2 true DE3740547C2 (de) 1996-10-17

Family

ID=17986867

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3740547A Expired - Fee Related DE3740547C2 (de) 1986-12-26 1987-11-30 Verfahren zum Herstellen von Extruderschnecken und damit hergestellte Extruderschnecken

Country Status (5)

Country Link
US (1) US4729789A (cg-RX-API-DMAC7.html)
JP (1) JPS63162801A (cg-RX-API-DMAC7.html)
DE (1) DE3740547C2 (cg-RX-API-DMAC7.html)
FR (1) FR2609049B1 (cg-RX-API-DMAC7.html)
GB (1) GB2201970B (cg-RX-API-DMAC7.html)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE456322B (sv) * 1986-03-04 1988-09-26 Asea Stal Ab Sett vid tillverkning av metallprodukter genom hetisostatpressning av pulver med anvendande av kernor
US4961781A (en) * 1987-09-30 1990-10-09 Kabushiki Kaisha Kobe Seiko Sho High corrosion-and wear resistant-powder sintered alloy and composite products
US5047205A (en) * 1987-11-18 1991-09-10 Crucible Materials Corporation Method and assembly for producing extruded permanent magnet articles
CA2007683A1 (en) * 1989-02-03 1990-08-03 James C. Danly, Sr. Composite and self-lubricating bushing and method for making same
GB9015381D0 (en) * 1990-07-12 1990-08-29 Lucas Ind Plc Article and method of production thereof
US5227576A (en) * 1991-03-14 1993-07-13 Industrial Materials Technology Method for forming complex patterns in the interior of a pressed part formed of compacted particulate material, and apparatus
DE4332971A1 (de) * 1993-09-28 1995-03-30 Fischer Artur Werke Gmbh Verfahren zur Herstellung von ineinandergreifenden Teilen
US5445787A (en) * 1993-11-02 1995-08-29 Friedman; Ira Method of extruding refractory metals and alloys and an extruded product made thereby
US5722306A (en) * 1995-06-07 1998-03-03 Alloy Technology International Inc. Method for making a pelletizer knife and blank
US5641920A (en) * 1995-09-07 1997-06-24 Thermat Precision Technology, Inc. Powder and binder systems for use in powder molding
US5710969A (en) * 1996-03-08 1998-01-20 Camax Tool Co. Insert sintering
US6634781B2 (en) 2001-01-10 2003-10-21 Saint Gobain Industrial Ceramics, Inc. Wear resistant extruder screw
US6838046B2 (en) * 2001-05-14 2005-01-04 Honeywell International Inc. Sintering process and tools for use in metal injection molding of large parts
US6770114B2 (en) 2001-12-19 2004-08-03 Honeywell International Inc. Densified sintered powder and method
JP2004359998A (ja) * 2003-06-04 2004-12-24 Hitachi Ltd 化合物粒子分散合金層を有する金属部材の製造方法及び摺動部材
US20060024140A1 (en) * 2004-07-30 2006-02-02 Wolff Edward C Removable tap chasers and tap systems including the same
US7513320B2 (en) * 2004-12-16 2009-04-07 Tdy Industries, Inc. Cemented carbide inserts for earth-boring bits
DE102004063203B4 (de) * 2004-12-23 2010-07-22 Danaher Linear Gmbh Verfahren zur Herstellung eines Kugelgewindetriebs und Kugelgewindetrieb
US8637127B2 (en) 2005-06-27 2014-01-28 Kennametal Inc. Composite article with coolant channels and tool fabrication method
US7687156B2 (en) 2005-08-18 2010-03-30 Tdy Industries, Inc. Composite cutting inserts and methods of making the same
RU2432445C2 (ru) * 2006-04-27 2011-10-27 Ти Ди Уай Индастриз, Инк. Модульное буровое долото с неподвижными режущими элементами, корпус данного модульного бурового долота и способы их изготовления
CN102764893B (zh) * 2006-10-25 2015-06-17 肯纳金属公司 具有改进的抗热开裂性的制品
US8512882B2 (en) * 2007-02-19 2013-08-20 TDY Industries, LLC Carbide cutting insert
US7846551B2 (en) 2007-03-16 2010-12-07 Tdy Industries, Inc. Composite articles
CA2672880C (en) * 2007-03-16 2012-12-18 Wan Young Jang Dental prosthesis and manufacturing method thereof
JP5122904B2 (ja) * 2007-10-05 2013-01-16 日立粉末冶金株式会社 焼結複合摺動部品の製造方法
US8790439B2 (en) 2008-06-02 2014-07-29 Kennametal Inc. Composite sintered powder metal articles
JP2011523681A (ja) * 2008-06-02 2011-08-18 ティーディーワイ・インダストリーズ・インコーポレーテッド 超硬合金−金属合金複合体
US8025112B2 (en) 2008-08-22 2011-09-27 Tdy Industries, Inc. Earth-boring bits and other parts including cemented carbide
US8322465B2 (en) 2008-08-22 2012-12-04 TDY Industries, LLC Earth-boring bit parts including hybrid cemented carbides and methods of making the same
US8272816B2 (en) 2009-05-12 2012-09-25 TDY Industries, LLC Composite cemented carbide rotary cutting tools and rotary cutting tool blanks
US8308096B2 (en) 2009-07-14 2012-11-13 TDY Industries, LLC Reinforced roll and method of making same
US8440314B2 (en) * 2009-08-25 2013-05-14 TDY Industries, LLC Coated cutting tools having a platinum group metal concentration gradient and related processes
US9643236B2 (en) * 2009-11-11 2017-05-09 Landis Solutions Llc Thread rolling die and method of making same
US8800848B2 (en) 2011-08-31 2014-08-12 Kennametal Inc. Methods of forming wear resistant layers on metallic surfaces
US9016406B2 (en) 2011-09-22 2015-04-28 Kennametal Inc. Cutting inserts for earth-boring bits
US9194258B2 (en) 2012-02-27 2015-11-24 Pratt & Whitney Canada Corp. Gas turbine engine case bosses
US10888928B2 (en) * 2015-01-16 2021-01-12 Gkn Sinter Metals, Llc Method of producing composite components using sinter fit
CN106001553B (zh) * 2016-06-01 2018-07-17 李庆 一种高温合金单晶叶片精铸用合金模芯的制备工艺
CN110961637A (zh) * 2019-12-30 2020-04-07 广州赛隆增材制造有限责任公司 霍尔效应推力器流量控制器芯体的制作方法
CN112676771A (zh) * 2020-11-24 2021-04-20 瑞安市遵盛汽车零部件有限公司 高强度大六角螺栓的加工工艺
CN113909824B (zh) * 2021-11-09 2022-10-28 深圳市长盈精密技术股份有限公司 散热部件的制造方法

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2652520A (en) * 1949-12-24 1953-09-15 Gen Electric Composite sintered metal powder article
US3576050A (en) * 1968-09-23 1971-04-27 Atomic Energy Commission Apparatus for making pressed powder sleeves
SE343225B (cg-RX-API-DMAC7.html) * 1970-07-13 1972-03-06 Asea Ab
JPS50106844A (cg-RX-API-DMAC7.html) * 1974-01-31 1975-08-22
US3992202A (en) * 1974-10-11 1976-11-16 Crucible Inc. Method for producing aperture-containing powder-metallurgy article
JPS5757525B2 (cg-RX-API-DMAC7.html) * 1975-01-23 1982-12-04 Sumitomo Electric Industries
DE2508851A1 (de) * 1975-02-28 1976-09-09 Toyo Kohan Co Ltd Sinterhartmetallegierung aus eisenhaltigem borid und verfahren zu ihrer herstellung
US4000235A (en) * 1975-05-13 1976-12-28 National Forge Company Method for molding particulate material into rods
US4137106A (en) * 1976-07-26 1979-01-30 Sumitomo Electric Industries, Ltd. Super hard metal roll assembly and production thereof
JPS5328505A (en) * 1976-08-31 1978-03-16 Fuji Dies Kk Superhard alloy product and process for production thereof
GB1588920A (en) * 1977-08-11 1981-04-29 British Ceramic Res Ass Joining of metals to ceramics
JPS5813603B2 (ja) * 1978-01-31 1983-03-15 トヨタ自動車株式会社 軸部材とその嵌合部材の接合法
DE2810746A1 (de) * 1978-03-13 1979-09-20 Krupp Gmbh Verfahren zur herstellung von verbundhartmetallen
JPS556907A (en) * 1978-06-30 1980-01-18 Fujitsu Ltd Nonsynchronous 4-phase modulation system
DE2846889C2 (de) * 1978-10-27 1985-07-18 Toyo Kohan Co., Ltd., Tokio/Tokyo Legierungspulver, Verfahren zu seiner Herstellung und seine Verwendung zur Herstellung von gesinterten Formteilen
GB2032457B (en) * 1978-10-27 1983-05-11 Toyo Kohan Co Ltd Hard alloy powder
JPS55145152A (en) * 1979-04-26 1980-11-12 Nippon Piston Ring Co Ltd Sintered alloy material for internal combustion engine
JPS55145151A (en) * 1979-04-26 1980-11-12 Nippon Piston Ring Co Ltd Wear resistant sintered alloy material for internal combustion engine
US4297135A (en) * 1979-11-19 1981-10-27 Marko Materials, Inc. High strength iron, nickel and cobalt base crystalline alloys with ultrafine dispersion of borides and carbides
DE3006101A1 (de) * 1980-02-19 1981-08-27 Metallgesellschaft Ag, 6000 Frankfurt Werkstuecke mit gepanzerten kanten und/oder flaechen
AU6968081A (en) * 1980-05-07 1981-11-12 Imperial Clevite Inc. Shrink fitting of powder met articles
US4385944A (en) * 1980-05-29 1983-05-31 Allied Corporation Magnetic implements from glassy alloys
DE3120168C2 (de) * 1980-05-29 1984-09-13 Allied Corp., Morris Township, N.J. Verwendung eines Metallkörpers als Elektromagnetkern
JPS6057499B2 (ja) * 1981-10-19 1985-12-16 東洋鋼鈑株式会社 硬質焼結合金
US4526747A (en) * 1982-03-18 1985-07-02 Williams International Corporation Process for fabricating parts such as gas turbine compressors
JPS60149703A (ja) * 1984-01-12 1985-08-07 Nippon Piston Ring Co Ltd カムシヤフトの製造方法
GB2153850B (en) * 1984-02-07 1987-08-12 Nippon Piston Ring Co Ltd Method of manufacturing a camshaft
GB8409771D0 (en) * 1984-04-14 1984-05-23 Ae Plc Manufacture of camshafts
JPH0680163B2 (ja) * 1985-02-07 1994-10-12 株式会社クボタ 耐摩耗性および耐食性にすぐれた射出成形機用スクリューの製造方法

Also Published As

Publication number Publication date
DE3740547A1 (de) 1988-07-07
JPS63162801A (ja) 1988-07-06
US4729789A (en) 1988-03-08
GB2201970A (en) 1988-09-14
FR2609049B1 (fr) 1993-06-04
GB2201970B (en) 1991-03-27
JPH0359121B2 (cg-RX-API-DMAC7.html) 1991-09-09
GB8717327D0 (en) 1987-08-26
FR2609049A1 (fr) 1988-07-01

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Legal Events

Date Code Title Description
OR8 Request for search as to paragraph 43 lit. 1 sentence 1 patent law
8105 Search report available
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: VOSSIUS, V., DIPL.-CHEM. DR.RER.NAT. TAUCHNER, P.,

8128 New person/name/address of the agent

Representative=s name: TAUCHNER, P., DIPL.-CHEM. DR.RER.NAT. HEUNEMANN, D

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee