意大利菲亚特汽车公司一直用激光焊接鼓风机外壳和传动部件。目前首次在发动机生产中采用激光。他们用CO_2激光对发动机组的阀座进行淬火。首先将镍粉敷在阀座表面,通过激光热作用生产镍涂层。这种 Fiat Motor Company of Italy has been laser welding blower housing and transmission components. For the first time, lasers are used in engine production. They use CO 2 laser to quench the seat of the engine block. Nickel powder is first applied to the seat surface to produce a nickel coating by laser thermal action. This