JPS57208310A - Manufacture of connecting rod made of steel pipe - Google Patents

Manufacture of connecting rod made of steel pipe

Info

Publication number
JPS57208310A
JPS57208310A JP9301281A JP9301281A JPS57208310A JP S57208310 A JPS57208310 A JP S57208310A JP 9301281 A JP9301281 A JP 9301281A JP 9301281 A JP9301281 A JP 9301281A JP S57208310 A JPS57208310 A JP S57208310A
Authority
JP
Japan
Prior art keywords
split
arm
connecting rod
bearing
separate
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.)
Granted
Application number
JP9301281A
Other languages
Japanese (ja)
Other versions
JPS5844889B2 (en
Inventor
Kuniyoshi Nakamura
Hisashi Oki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP9301281A priority Critical patent/JPS5844889B2/en
Publication of JPS57208310A publication Critical patent/JPS57208310A/en
Publication of JPS5844889B2 publication Critical patent/JPS5844889B2/en
Expired 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
    • F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
    • F16C7/02—Constructions of connecting-rods with constant length
    • F16C7/023—Constructions of connecting-rods with constant length for piston engines, pumps or the like
    • 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
    • F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
    • F16C7/08—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads made from sheet metal

Landscapes

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

Abstract

PURPOSE:To enable the connecting rod to have a light weight and to be manufactured on a large scale by a method wherein a specific piston pin hole facing in a particular direction and split crank bearing divided into two halves in a particular diretion are provided at both open end respectively of a hollow arm. CONSTITUTION:The piston hole 5 is provided in a cylindrical section 3 which is provided at the lower part of the upper end of the hollow arm 1 so as to face forward and rearward and the split half 6a of the split crank bearing 6 which is provided at the lower end of the arm 1 so as to face forward and rearward and which can be split downwardly is formed integral with the arm 1 while the split half 6b of the bearing is connected to the split half 6a by means of bolts 7. Further, a steel pipe of a required length is put between bulge processing upper and lower dies 12 and 12' and compressed to thereby form a connecting body (not shown) and the connecting body is cut at it ends to make itself a separate arm part B of the connecting rod. At the same time, the two split halves 6a and 6b of the bearing are connected to each other so that a separate bearing part D is formed and finally, after both of the separate parts B and D are once connected to each other for the purpose of shaping the pin hole 5 to a true circle, the split half 6b is attached to, or removed from, the arm part B to thereby complete the connecting rod.
JP9301281A 1981-06-18 1981-06-18 Metal tube connecting rod and its manufacturing method Expired JPS5844889B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9301281A JPS5844889B2 (en) 1981-06-18 1981-06-18 Metal tube connecting rod and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9301281A JPS5844889B2 (en) 1981-06-18 1981-06-18 Metal tube connecting rod and its manufacturing method

Publications (2)

Publication Number Publication Date
JPS57208310A true JPS57208310A (en) 1982-12-21
JPS5844889B2 JPS5844889B2 (en) 1983-10-06

Family

ID=14070511

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9301281A Expired JPS5844889B2 (en) 1981-06-18 1981-06-18 Metal tube connecting rod and its manufacturing method

Country Status (1)

Country Link
JP (1) JPS5844889B2 (en)

Also Published As

Publication number Publication date
JPS5844889B2 (en) 1983-10-06

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