| 摘要 |
PROBLEM TO BE SOLVED: To provide undercarriage assembly components of track-type machines having a PTA (plasma arc) welded wear-resistant coating and methods for forming such coated undercarriage assembly components. SOLUTION: Bodies 602 of the undercarriage assembly components, formed of an iron-based alloy, have a material PTA welded on a surface or into an undercut or a channel 630 of the iron-based alloy. A heat treatment of the formed components further hardens the body. The portion of the outer surface of the undercarriage assembly components having the wear-resistant coating corresponds to a wear surface of the component during the operation of the endless track of the track-type vehicle. COPYRIGHT: (C)2008,JPO&INPIT |
