搜索结果: 1-2 共查到“机械工程 repair welding”相关记录2条 . 查询时间(0.046 秒)
Problems in repair-welding of duplex-treated tool steels
repair welding nitrided tool steel PVD coating die casting
2009/10/23
The present paper addresses problems in laser welding of die-cast tools used for aluminum pressure die-castings and plastic moulds. To extend life cycle of tools various surface improvements are used....
LASER REPAIR WELDING OF MOLDS WITH VARIOUS PULSE SHAPES
laser repair welding pulse-shaping
2009/10/23
Repair welding of cold-work tool steels with conventional methods is very difficult due to cracking during remelting
or cladding and is generally performed with preheating. As an alternative, repair ...