作为网架网壳CAD软件开发的后处理部分，结合螺栓球的加工，提出了一种自动生成螺栓球加工图的方法。
An automatic forming method of detail drawing for bolt sphere machining is put forward, combined with bolt sphere machining, as post process of CAD software for grids (reticulated shell).
结合大功率柴油机性能强化的数值计算，在考虑螺纹的基础上建立了气缸盖螺栓的CAD装配体模型；
With the numerical simulation of heavy-duty diesel engine to strengthen performance, a CAD assembly model of cylinder head bolt is built based on the thread.
当气缸垫装在气缸体上，然后装上气缸盖以后，气缸盖螺栓就压紧软金属垫，这样结合处就完全密封了。
When the gasket is placed on the block and the head installed, tightening of the head bolts squeezes the soft metal so that the joint is effectively sealed.
应用推荐