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  • CNC机械加工工艺知识
  • 本站编辑:杭州思良塑料模具有限公司发布日期:2020-03-12 09:48 浏览次数:

1)精度小于0.05的孔普铣做不了,需要CNC加工;如果是通孔也可以线切割。

2)淬火后的精孔(通孔)需要线切割加工;盲孔需要淬火前粗加工,淬火后精加工。非精孔在淬火前做到位就可(留淬火余量单边0.2)。

3)宽度2MM以下的槽需要线切割加工,3-4MM槽深度很深也需要线切割加工。

4)淬火件粗加工最少留余量0.4,非淬火件粗加工留余量0.2。

5)镀层厚度一般是0.005—0.008,加工时要按镀前尺寸。

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1) Hole milling with an accuracy of less than 0.05 cannot be done, and CNC machining is required; if it is a through hole, wire cutting can also be performed.

2) Fine holes (through holes) after quenching need wire cutting; blind holes need rough machining before quenching, and fine machining after quenching. Non-fine holes can be made in place before quenching (leave the quenching margin on one side 0.2).

3) Slots with a width of less than 2MM require wire cutting, and deep 3-4MM slots also require wire cutting.

4) The minimum allowance for roughing of hardened parts is 0.4, and the allowance for roughing of non-hardened parts is 0.2.

5) The thickness of the coating is generally 0.005—0.008, and the size before plating should be used during processing.


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