Title:
CONNECTING ROD MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2019132366
Kind Code:
A
Abstract:
To provide a connecting rod manufacturing method capable of securing surface properties of a fracture surface with brittle fracture between a rod part and a cap part.SOLUTION: A connecting rod manufacturing method for fracturing and dividing a connecting rod into a rod part and a cap part by expanding a through hole in a longitudinal direction, wherein the through hole is formed in an end part in the longitudinal direction of the connecting rod, comprises: a preloading step of applying a tensile load in a cross direction intersecting the longitudinal direction to the end part as a preload; and a fracture step of, in the state where the preload is applied to the end part, fracturing the end part into the rod part and the cap part by applying the tensile load in the longitudinal direction to the end part.SELECTED DRAWING: Figure 5
Inventors:
KAWAZOE TAKAAKI
Application Number:
JP2018016197A
Publication Date:
August 08, 2019
Filing Date:
February 01, 2018
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F16C7/02
Attorney, Agent or Firm:
Shuhei Katayama