Cutting is the use of cutting tools from the blank (or profile) to cut off part of the excess material, the blank will be processed to meet the drawing requirements of the size, shape accuracy and surface quality of parts processing process. Cutting is divided into machining and fitter two parts. Machining is a kind of cutting process which is completed by workers operating machine tools. The main processing methods include turning, milling, planing, drilling, grinding and gear processing. Fitter is generally carried out by workers hand tools cutting. The processing of products is usually divided into four stages: rough machining, semi finishing, finishing and finishing. This section only introduces turning, milling, drilling, grinding in machining and marking, sawing, filing, chiseling, tapping and threading, assembly in fitter.
ken. tang@chengcg.com
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