常用的大連機械加工表面處理：發黑、陽極氧化、鍍鉻、鍍鎳、鍍鈦、鍍鋅、電拋光、鈍化、鍍PVD膜、加納克等。

精密零部件的加工工藝(熱處理工序)，確定各工序所用的機床、裝夾方法、度量方法、加工余量、切削用量和工時定額等。將各項內容填寫工藝規程表上，這就是機械加工工藝的規程。

Common surface treatments for mechanical processing in Dalian include blackening, anodizing, chrome plating, nickel plating, titanium plating, zinc plating, electropolishing, passivation, PVD coating, Ganak coating, etc. The processing technology (heat treatment process) of precision components, determining the machine tools, clamping methods, measurement methods, machining allowances, cutting parameters, and working hour quotas used in each process. Fill in the various contents on the process specification form, which is the specification for mechanical processing technology.