JPS5578832A - Manufacturing method of crankshaft - Google Patents

Manufacturing method of crankshaft

Info

Publication number
JPS5578832A
JPS5578832A JP15295978A JP15295978A JPS5578832A JP S5578832 A JPS5578832 A JP S5578832A JP 15295978 A JP15295978 A JP 15295978A JP 15295978 A JP15295978 A JP 15295978A JP S5578832 A JPS5578832 A JP S5578832A
Authority
JP
Japan
Prior art keywords
pipe
casting
crankshaft
casting mold
journal
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.)
Pending
Application number
JP15295978A
Other languages
Japanese (ja)
Inventor
Junichi Saito
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP15295978A priority Critical patent/JPS5578832A/en
Publication of JPS5578832A publication Critical patent/JPS5578832A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/06—Crankshafts
    • F16C3/08—Crankshafts made in one piece

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

PURPOSE:To provide an equal performance to the forged crankshaft, by setting a steel pipe in the place of a casting mold, constructing journal and crankpin part, pouring a molten metal of ball-shape graphite cast iron into the casting mold, and constructing the both described porions in the above. CONSTITUTION:To the place in a casting mold, corresponding to a journal part 2 and a crank part 3, are engaged a plurality of steel pipes 4, 5, respectively, thereafter, is poured a molten metal of ball-shape graphite iron to construct a sliding portion of th journal part 2 and the crank pin part 3 by the pipe 4, 5. For the pipe if used a steel pipe of low amount of carbon content, by a heat treatment processed at casting operation or after casting, crabon in the cast iron is diffused in the pipe, and a carbon content in the pipe comes to be the same extent of that in the forged crankshaft. Further in an operation of the crankshaft, a seizure can be eliminated in the contact portion with bearing metal.
JP15295978A 1978-12-09 1978-12-09 Manufacturing method of crankshaft Pending JPS5578832A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15295978A JPS5578832A (en) 1978-12-09 1978-12-09 Manufacturing method of crankshaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15295978A JPS5578832A (en) 1978-12-09 1978-12-09 Manufacturing method of crankshaft

Publications (1)

Publication Number Publication Date
JPS5578832A true JPS5578832A (en) 1980-06-13

Family

ID=15551893

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15295978A Pending JPS5578832A (en) 1978-12-09 1978-12-09 Manufacturing method of crankshaft

Country Status (1)

Country Link
JP (1) JPS5578832A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110087795A (en) * 2016-12-15 2019-08-02 日本制铁株式会社 The manufacturing method of crankshaft forging
CN110842493A (en) * 2019-11-12 2020-02-28 中国船舶重工集团公司第七0七研究所 Machining method for prolonging service life and improving precision of crankshaft of planetary cycloidal pin gear speed reducer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110087795A (en) * 2016-12-15 2019-08-02 日本制铁株式会社 The manufacturing method of crankshaft forging
CN110842493A (en) * 2019-11-12 2020-02-28 中国船舶重工集团公司第七0七研究所 Machining method for prolonging service life and improving precision of crankshaft of planetary cycloidal pin gear speed reducer

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