The feasibility, cost and theoretic basis of the continuous extrusion process for producing tin brass weld wire are studied with its technological process and the design of extrusion dies introduced.
本文论述了锡黄铜焊丝连续挤压工艺的可行性、成本和理论基础，介绍了连续挤压工艺的方案以及挤压模具系统的设计。
On this basis, the orthogonal test of leaded brass C3602 was made on the domestic lathe CD6140A and the influence of various factors and levels on surface roughness was analyzed.
以此为基础，在国产CD 6140a型车床上对C3602铅黄铜进行了正交切削试验，分析了各因素水平对工件表面粗糙度的影响。
The chemical components of solution and the electrolysis technique in order to remove Nickel from brass basis without cyanide are investigated.
着重研究了在黄铜基体上无氰退镍液的化学组成及退镍的电解工艺规律性。
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