IT940787B - PROCEDURE FOR THE MANUFACTURE OF BLANKS OF HELICAL GEARS LI BY COLD EXTRUSION - Google Patents

PROCEDURE FOR THE MANUFACTURE OF BLANKS OF HELICAL GEARS LI BY COLD EXTRUSION

Info

Publication number
IT940787B
IT940787B IT3148271A IT3148271A IT940787B IT 940787 B IT940787 B IT 940787B IT 3148271 A IT3148271 A IT 3148271A IT 3148271 A IT3148271 A IT 3148271A IT 940787 B IT940787 B IT 940787B
Authority
IT
Italy
Prior art keywords
blanks
procedure
manufacture
helical gears
cold extrusion
Prior art date
Application number
IT3148271A
Other languages
Italian (it)
Original Assignee
Renault
Peugeot
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
Priority claimed from FR7042073A external-priority patent/FR2115533A5/fr
Priority claimed from FR7139420A external-priority patent/FR2159569A6/fr
Application filed by Renault, Peugeot filed Critical Renault
Application granted granted Critical
Publication of IT940787B publication Critical patent/IT940787B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/28—Making machine elements wheels; discs
    • B21K1/30—Making machine elements wheels; discs with gear-teeth
    • B21K1/305—Making machine elements wheels; discs with gear-teeth helical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, rods or tubes
    • B21C23/10—Making finned tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00—Profiling tools for metal extruding
    • B21C25/10—Making tools by operations not covered by a single other subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/28—Making machine elements wheels; discs
    • B21K1/30—Making machine elements wheels; discs with gear-teeth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K5/00—Making tools or tool parts, e.g. pliers
    • B21K5/20—Making working faces of dies, either recessed or outstanding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Extrusion Of Metal (AREA)
IT3148271A 1970-11-24 1971-11-23 PROCEDURE FOR THE MANUFACTURE OF BLANKS OF HELICAL GEARS LI BY COLD EXTRUSION IT940787B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7042073A FR2115533A5 (en) 1970-11-24 1970-11-24
FR7139420A FR2159569A6 (en) 1971-11-03 1971-11-03

Publications (1)

Publication Number Publication Date
IT940787B true IT940787B (en) 1973-02-20

Family

ID=26216068

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3148271A IT940787B (en) 1970-11-24 1971-11-23 PROCEDURE FOR THE MANUFACTURE OF BLANKS OF HELICAL GEARS LI BY COLD EXTRUSION

Country Status (4)

Country Link
JP (1) JPS544505Y2 (en)
DE (1) DE2157874B2 (en)
GB (1) GB1373547A (en)
IT (1) IT940787B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58157521A (en) * 1982-03-16 1983-09-19 Nissan Motor Co Ltd Method and apparatus for manufacturing gear
DE3718884C2 (en) * 1987-06-05 1994-05-11 Forschungsges Umformtechnik Device for producing helical workpieces made of metal, preferably steel
DE10054399A1 (en) * 2000-11-02 2002-06-27 Forschungsges Umformtechnik Method and device for producing a workpiece with internal teeth, in particular a ring gear
JP7099253B2 (en) 2018-10-31 2022-07-12 トヨタ自動車株式会社 Gear forging method and forging equipment
CN114798782B (en) * 2022-05-25 2023-10-20 中北大学 Rotary extrusion forming method for magnesium alloy sheet with weak anisotropy and high strength and toughness
CN116689620B (en) * 2023-06-21 2026-04-03 联德精密材料（中国）股份有限公司 A die for forming aluminum casing teeth
CN118699251B (en) * 2024-08-27 2024-12-13 万向钱潮股份公司 Cold extrusion precision forming die for universal joint sleeve

Also Published As

Publication number Publication date
GB1373547A (en) 1974-11-13
JPS52170834U (en) 1977-12-26
DE2157874B2 (en) 1975-04-24
JPS544505Y2 (en) 1979-02-27
DE2157874A1 (en) 1972-07-13

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