The test analyse is conducted to greencasting adhesive and green heat treatment and selections of dry cutting tools.
对绿色铸造粘结剂、绿色热处理工艺、干切削刀具选用进行试验分析；
2
Defects in greencasting process of small and middle steel_castings and the technical measures for protecting from defects are introduced.
介绍了湿型铸造中、小型铸钢件易产生的缺陷及防止缺陷所采取的工艺措施。
3
Green sand casting casting clay weight from a few kilograms until decades kilograms, machine tool lathe bed and clay dry type of casting production can be weighed dozens of tons.