Title:
破断状態良否判定装置および破断状態良否判定方法
Document Type and Number:
Japanese Patent JP7032176
Kind Code:
B2
Abstract:
To provide a fracture state quality judgment device and a fracture state quality judgment method which enable a simple and accurate quality judgment of the fracture face when the large end part of a connection rod is fractured on the shaft part and the cap part side.SOLUTION: This invention, which is a quality judgment device that judges a fracture state upon fracturing the large end part 12 of a connection rod 10 into the shaft part side 14 and the cap part side 15, comprises: a strain gauge 24 included in a fracture speed estimation means that estimates a fracture speed of the large end part 12 on fracturing; and a controller 23 working as a fracture judgment means that judges the quality of the fracture state on the basis of this fracture speed.SELECTED DRAWING: Figure 2
Inventors:
Naomi Takahashi
Oba Taku
Oba Taku
Application Number:
JP2018036216A
Publication Date:
March 08, 2022
Filing Date:
March 01, 2018
Export Citation:
Assignee:
Subaru corporation
International Classes:
B26F3/02; F16C7/02; F16C9/04
Domestic Patent References:
| JP2009166217A | ||||
| JP2005144560A | ||||
| JP2013209999A | ||||
| JP2014025550A | ||||
| JP2014114938A |
Foreign References:
| US4754906 | ||||
| KR1020160049649A |
Attorney, Agent or Firm:
Yoshitaka Okada
Masahisa Ohtake
Kei Okada
Shimo Shigeru
Masahisa Ohtake
Kei Okada
Shimo Shigeru