机械零件的尺寸公差与形位公差关系研究

Relation Research Between the Size Tolerance and Shape of Mechanical Parts

零件的尺寸公差、形位公差项目及精度的合理选择不仅是保证零件技术性能要求的基础,也是降低生产成本,提高产品经济性的重要因素。零件的尺寸精度、形状精度以及位置精度之间既相互联系,又相互制约,因此,弄清它们之间的相互关系,对机械零件的设计是十分重要的。

The parts of the tolerance, a tolerance project and the precision of a reasonable choice is not only that part of the technical performance requirements, is to reduce production cost, product economical important factor, the parts of the size and shape the accuracy and precision is a correlation between the position, and restraint, and their interrelation, for mechanical parts of the design is very important.