IT1244175B - PROCEDURE FOR MAKING A POWER STEERING TORSION BAR. - Google Patents

PROCEDURE FOR MAKING A POWER STEERING TORSION BAR.

Info

Publication number
IT1244175B
IT1244175B IT02232890A IT2232890A IT1244175B IT 1244175 B IT1244175 B IT 1244175B IT 02232890 A IT02232890 A IT 02232890A IT 2232890 A IT2232890 A IT 2232890A IT 1244175 B IT1244175 B IT 1244175B
Authority
IT
Italy
Prior art keywords
procedure
making
power steering
torsion bar
steering torsion
Prior art date
Application number
IT02232890A
Other languages
Italian (it)
Other versions
IT9022328A1 (en
IT9022328A0 (en
Inventor
Yoshihito Imura
Toshio Takagi
Original Assignee
Trw Steering & Ind Prod Japan
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 Trw Steering & Ind Prod Japan filed Critical Trw Steering & Ind Prod Japan
Publication of IT9022328A0 publication Critical patent/IT9022328A0/en
Publication of IT9022328A1 publication Critical patent/IT9022328A1/en
Application granted granted Critical
Publication of IT1244175B publication Critical patent/IT1244175B/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
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
    • B21C1/18—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes from stock of limited length
    • 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
    • B21K1/06—Making machine elements axles or shafts
    • B21K1/10—Making machine elements axles or shafts of cylindrical form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Springs (AREA)
IT02232890A 1989-12-18 1990-12-10 PROCEDURE FOR MAKING A POWER STEERING TORSION BAR. IT1244175B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1329071A JPH03189043A (en) 1989-12-18 1989-12-18 Manufacture of torsion bar for power steering device

Publications (3)

Publication Number Publication Date
IT9022328A0 IT9022328A0 (en) 1990-12-10
IT9022328A1 IT9022328A1 (en) 1991-06-19
IT1244175B true IT1244175B (en) 1994-07-08

Family

ID=18217292

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02232890A IT1244175B (en) 1989-12-18 1990-12-10 PROCEDURE FOR MAKING A POWER STEERING TORSION BAR.

Country Status (6)

Country Link
JP (1) JPH03189043A (en)
KR (1) KR910011359A (en)
AU (1) AU6473490A (en)
DE (1) DE4040497A1 (en)
GB (1) GB2240059B (en)
IT (1) IT1244175B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3994763B2 (en) 2002-03-14 2007-10-24 株式会社ジェイテクト Torsion bar manufacturing method and torsion bar
CN103009017A (en) * 2013-01-21 2013-04-03 江苏省宿迁市方圆机械有限公司 Automotive torsion rod spring pre-torsion process
CN110650883B (en) * 2017-06-22 2022-07-01 日本精工株式会社 Shaft for steering device, method for manufacturing shaft for steering device, and electric power steering device
CN112589391A (en) * 2020-12-08 2021-04-02 北京星航机电装备有限公司 Method for manufacturing slender torsion bar spring

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59174224A (en) * 1983-03-25 1984-10-02 Japan Royal Seiki:Kk Working device for wire rod or the like
JPS59178146A (en) * 1983-03-25 1984-10-09 Japan Royal Seiki:Kk Swaging method
JPH07115107B2 (en) * 1987-03-10 1995-12-13 大同特殊鋼株式会社 Forging method
JPS6462241A (en) * 1987-09-01 1989-03-08 Daido Steel Co Ltd Forging method

Also Published As

Publication number Publication date
GB2240059B (en) 1993-08-25
KR910011359A (en) 1991-08-07
IT9022328A1 (en) 1991-06-19
GB2240059A (en) 1991-07-24
JPH03189043A (en) 1991-08-19
DE4040497A1 (en) 1991-06-20
IT9022328A0 (en) 1990-12-10
AU6473490A (en) 1991-06-20
GB9022414D0 (en) 1990-11-28

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Legal Events

Date Code Title Description
0001 Granted