Patent · US Expired

Crankshaft machining + hardening + machining + finishing

US6470775B1 · kind B1 · utility

5Cited by
8References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 25, 2000
Grant dateOct 29, 2002
Priority date
Expiry dateSep 23, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T409/303808
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

The present invention concerns a method of finishing machining rotary parts which are at least partially subjected to a hardening process until they are in a condition of being ready for use. The rotary parts may be crankshafts, or bearing surfaces of crankshafts, in particular automobile crankshafts. The object of the invention is to simplify the removal of material when machining bearing locations of a crankshaft which is to be hardened. After the original shaping operation, removal of material is effected at most by cutting machining with a given cutting edge.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.