IT976216B - Dispositivo di formatura di pezzi elicoidali mediante compattazione di materiali in polvere - Google Patents

Dispositivo di formatura di pezzi elicoidali mediante compattazione di materiali in polvere

Info

Publication number
IT976216B
IT976216B IT71122/72A IT7112272A IT976216B IT 976216 B IT976216 B IT 976216B IT 71122/72 A IT71122/72 A IT 71122/72A IT 7112272 A IT7112272 A IT 7112272A IT 976216 B IT976216 B IT 976216B
Authority
IT
Italy
Prior art keywords
compaction
powder materials
forming helical
helical pieces
pieces
Prior art date
Application number
IT71122/72A
Other languages
English (en)
Original Assignee
Olivetti & Co Spa
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 Olivetti & Co Spa filed Critical Olivetti & Co Spa
Priority to IT71122/72A priority Critical patent/IT976216B/it
Priority to US424700A priority patent/US3909167A/en
Priority to GB5809473A priority patent/GB1394300A/en
Priority to CA188,571A priority patent/CA1016317A/en
Priority to DE2363948A priority patent/DE2363948C2/de
Priority to JP14387073A priority patent/JPS5716161B2/ja
Priority to FR7347043A priority patent/FR2212199B1/fr
Priority to SU731981236A priority patent/SU656489A3/ru
Application granted granted Critical
Publication of IT976216B publication Critical patent/IT976216B/it

Links

Classifications

    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
    • B22F5/085—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs with helical contours
    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49462—Gear making
    • Y10T29/49467—Gear shaping

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
IT71122/72A 1972-12-29 1972-12-29 Dispositivo di formatura di pezzi elicoidali mediante compattazione di materiali in polvere IT976216B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT71122/72A IT976216B (it) 1972-12-29 1972-12-29 Dispositivo di formatura di pezzi elicoidali mediante compattazione di materiali in polvere
US424700A US3909167A (en) 1972-12-29 1973-12-14 Apparatus for moulding helical parts by compacting powdered materials
GB5809473A GB1394300A (en) 1972-12-29 1973-12-14 Apparatus for moulding helical parts by compacting powdered materials
CA188,571A CA1016317A (en) 1972-12-29 1973-12-18 Apparatus for moulding helical parts by compacting powdered materials
DE2363948A DE2363948C2 (de) 1972-12-29 1973-12-20 Vorrichtung zum Formpressen schraubenförmiger bzw. schrägverzahnter Zahnräder mit verschiedenen Zahnungen
JP14387073A JPS5716161B2 (it) 1972-12-29 1973-12-25
FR7347043A FR2212199B1 (it) 1972-12-29 1973-12-28
SU731981236A SU656489A3 (ru) 1972-12-29 1973-12-28 Устройство дл формировани винтовых деталей из металлических порошков

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT71122/72A IT976216B (it) 1972-12-29 1972-12-29 Dispositivo di formatura di pezzi elicoidali mediante compattazione di materiali in polvere

Publications (1)

Publication Number Publication Date
IT976216B true IT976216B (it) 1974-08-20

Family

ID=11314655

Family Applications (1)

Application Number Title Priority Date Filing Date
IT71122/72A IT976216B (it) 1972-12-29 1972-12-29 Dispositivo di formatura di pezzi elicoidali mediante compattazione di materiali in polvere

Country Status (8)

Country Link
US (1) US3909167A (it)
JP (1) JPS5716161B2 (it)
CA (1) CA1016317A (it)
DE (1) DE2363948C2 (it)
FR (1) FR2212199B1 (it)
GB (1) GB1394300A (it)
IT (1) IT976216B (it)
SU (1) SU656489A3 (it)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352648A (en) * 1980-12-22 1982-10-05 Toolmakers, Incorporated Powdered metal press and tooling therefor
JPS57141004A (en) * 1981-02-23 1982-09-01 Hitachi Ltd Recording system for multichannel sound signal
JPH0224167Y2 (it) * 1986-02-24 1990-07-03
IT1221597B (it) * 1987-07-24 1990-07-12 Ugo Giannelli Apprecchiatura di stampaggio e sformatura di manufatti in cemento prodotti dalle presse
JPH04136107A (ja) * 1990-09-25 1992-05-11 Sumitomo Electric Ind Ltd 焼結斜歯歯車の成形装置
JPH05195011A (ja) * 1991-08-17 1993-08-03 Werkzeugbau Alvier Ag 螺旋形状の輪郭を有する工作物をプレス成形するモジュラー装置
US5390414A (en) * 1993-04-06 1995-02-21 Eaton Corporation Gear making process
AU5556894A (en) * 1993-11-24 1995-06-13 Stackpole Limited Undercut split die
JP3585495B2 (ja) * 1993-11-24 2004-11-04 スタックポール リミテッド 位相がずらされた割り形ダイ
DE4428842C1 (de) * 1994-08-02 1996-01-18 Mannesmann Ag Vorrichtung zur Herstellung von Preßkörpern
JPH08294798A (ja) * 1995-04-26 1996-11-12 Tamagawa Mach Kk 給粉装置及びその制御方法
US6440357B1 (en) 1996-05-09 2002-08-27 Stackpole Limited Compacted-powder opposed twin-helical gears and method
US6165400A (en) * 1996-05-09 2000-12-26 Stackpole Limited Compacted-powder opposed twin-helical gears and method
AT406240B (de) * 1996-06-20 2000-03-27 Miba Sintermetall Ag Formwerkzeug zum pressen eines formkörpers aus einem sinterpulver
US6156265A (en) * 1996-08-19 2000-12-05 Sumitomo Electric Industries, Ltd. Powder compacting apparatus and method of forming helical gear wheel using said powder compacting apparatus
US6558594B2 (en) 1996-11-14 2003-05-06 Matsushita Electric Industrial Co., Ltd. Powder compression molding method for producing cathode pellets for dry cells
US5865239A (en) * 1997-02-05 1999-02-02 Micropump, Inc. Method for making herringbone gears
JP3341981B2 (ja) * 1997-08-27 2002-11-05 本田技研工業株式会社 はすば歯車のサイジング装置及びサイジング方法
JP3414215B2 (ja) 1997-08-28 2003-06-09 住友電気工業株式会社 曲り歯傘歯車の成形方法及び粉末成形装置
US6338289B1 (en) * 1998-06-02 2002-01-15 New Bright Industrial Co., Ltd. Gear box having plastic helical gears and L-shaped axles
GB2360825B (en) * 2000-03-30 2004-11-17 Formflo Ltd Gear wheels roll formed from powder metal blanks
DE10222132B4 (de) * 2002-05-17 2006-04-20 SCHWäBISCHE HüTTENWERKE GMBH Mehrfach schrägverzahntes, einteilig gepresstes Zahnrad sowie Verfahren und Vorrichtung zu seiner Herstellung
EP2033722B1 (en) * 2007-09-06 2011-03-02 System 3R International AB Die press assembly for powder pressing
AT505947B1 (de) * 2007-11-14 2016-04-15 Miba Sinter Austria Gmbh Verdichtungswerkzeug
US8033805B2 (en) 2007-11-27 2011-10-11 Kennametal Inc. Method and apparatus for cross-passageway pressing to produce cutting inserts
CN101456260B (zh) * 2008-12-19 2011-05-18 宁波市北仑新港冶金机械有限公司 用以驱动阴模挡块及调整下压杆的动力装置
US8246415B2 (en) * 2009-11-18 2012-08-21 New Bright Industrial Co., Ltd. Gear box for use in toy vehicles
BR112015000346A2 (pt) * 2012-07-06 2017-06-27 Yield Force S L prensa de estamparia
CN103057149B (zh) * 2013-01-02 2015-08-19 无锡隆盛科技股份有限公司 粉制块装置
EP2853322A1 (en) * 2013-09-30 2015-04-01 Seco Tools AB Press for making a tool green body having a helical flute, method for making a tool green body having a helical flute, and tool green body having a helical flute
GB2572775A (en) * 2018-04-10 2019-10-16 Rolls Royce Plc Methods of Manufacture
CN113234506B (zh) * 2021-05-13 2022-07-12 陕西昭德环保型煤有限公司 一种型煤成型加工机械及成型加工方法
CN117259751B (zh) * 2023-11-22 2024-02-06 烟台东星大韩粉末冶金有限公司 一种粉末冶金成型加工设备及方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767428A (en) * 1952-04-12 1956-10-23 Borg Warner Apparatus for making torquetransmitting elements
US2767438A (en) * 1952-04-14 1956-10-23 Borg Warner Method and apparatus for making torque-transmitting elements
NL253507A (it) * 1960-07-28
US3118183A (en) * 1961-05-05 1964-01-21 Procter & Gamble Rotary tablet press having means to rotate the plungers
GB1091321A (en) * 1963-12-18 1967-11-15 R Laurent Sa Atel Apparatus for the production of helically toothed mechanical parts from sintered metals
GB1226889A (it) * 1969-02-01 1971-03-31
BE759661A (fr) * 1969-12-01 1971-04-30 Hitachi Powdered Metals Cy Ltd Dispositif de compression de poudre pour former un engrenage helicoidalcomprime
US3677672A (en) * 1970-03-12 1972-07-18 Chrysler Corp Apparatus for the manufacture of powder metal helical gears
ZA715429B (en) * 1970-09-10 1972-04-26 Olivetti & Co Spa A device for moulding parts to be sintered

Also Published As

Publication number Publication date
JPS4998306A (it) 1974-09-18
JPS5716161B2 (it) 1982-04-03
GB1394300A (en) 1975-05-14
DE2363948A1 (de) 1974-07-04
DE2363948C2 (de) 1984-05-24
FR2212199B1 (it) 1977-06-10
FR2212199A1 (it) 1974-07-26
US3909167A (en) 1975-09-30
SU656489A3 (ru) 1979-04-05
CA1016317A (en) 1977-08-30

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