Patent · US Active

Automatic system for abrasive hardfacing

US9321117B2 · kind B2 · utility

3Cited by
43References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 29, 2015
Grant dateApr 26, 2016
Priority date
Expiry dateMay 29, 2035

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23K9/04
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

Arc welding systems, apparatus and methods are for hardfacing are provided, including particle feeding apparatus. In one aspect the workpiece is moved in an oscillatory fashion while keeping the welding torch and the particulate delivery system stationary during at least a portion of welding pass. The welding torch and particulate delivery system may also be moved in a non-oscillatory fashion. Process speeds of about 18-30 in/min can be obtained with carbide incorporation of greater than 30% and uniform distribution.

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