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活塞的要求与形式 1.汽车发动机活塞的要求汽车发动机活塞在满足发动机制造厂的特殊要求下,要耐用、工作无噪音并且尽可能便宜。更具体的要求是:(1)合适的强度;(2)在冷和热的状态下,裙部配合紧密;(3)适当的高度,以便在活塞环带内装下所需要的活塞环;(4)简单的设计,在符合功能要求情况下,有最宽的制造公差;(5)裙部长度的导向要达到满意。当代发动机设计的趋势是转速、功率和温度逐渐增加,尽管发展的步子小到几乎觉察不
Piston Requirements and Forms 1. Automotive Engine Piston Requirements Automotive engine pistons are durable, work noise-free and as inexpensive as possible to meet the specific requirements of the engine manufacturer. More specific requirements are: (1) a suitable strength; (2) a tight fit of the skirt in cold and hot conditions; (3) a suitable height to hold the piston ring in the piston annulus; ( 4) simple design, in line with the functional requirements, there is the widest manufacturing tolerance; (5) the length of the skirt to be satisfied with the orientation. The trend of contemporary engine design is that speed, power and temperature are gradually increasing, although the pace of development is small enough to be almost imperceptible