床身是机床中最大的主要件,不管在制造上,及在机床的使用上,它都起着重要的骨干作用。 对床身的主要要求是用材经济,有足够的刚性,经久耐用,并严格要求在使用中很少变形或不发生变形,以保持机床制造出来时固有的精度。具体地说,可归纳为如下数点: 1.应正确选择床身所用的材料, The bed is the largest main part of a machine tool, both in manufacturing and in the use of the machine, it plays an important backbone role. The main requirements of the bed is timber economy, enough rigidity, durability, and strict requirements in the use of little or no deformation, in order to maintain the inherent accuracy of the machine manufactured. Specifically, can be summarized as the following points: 1 should be the correct choice of bed materials used,