摘要
针对一汽的弹簧外圆磨削托板不耐磨的情况，经过反复调整合金成分配比，找到合适的合金，用氩弧焊对工作面进行堆焊，堆焊层的硬度达ＨＲＣ４５～５０之间，使用寿命提高了２．５～３倍。
The supporting plate in a fixture used for the grinding of the outer surface of springs wears out in a relatively short service period in the First Auto Works. A suitable alloy has been found and by cladding it on the working surface of the plate with argon shielded arc welding, the hardness of the cladded layer reached HRC 45~50. The requirements of the dimensions and the surface finish of the plate were met by mechanical processing. The service life of the plate was accordingly enhanced by a factor of 2.5~3.
