1, according to the size of the production of rough parts, one-piece should minimize excess material, pieces should make a reasonable rough layout. 2, according to the design basis of parts, assembly reference to determine the baseline during processing, (machining datum should, consistent with the design of the base assembly reference). 3, combined with the machine, the size of the parts, shape, material, quantity, accuracy, technical requirements, to develop parts of roughing, semi-finishing, finishing, and in combination with other tools, special fixtures, tools for processing. Shenzhen City Friends of Automation Equipment Co., Ltd. and 19 years focused machining industry expert Gold Service Tel: 4009988079 

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