Two tips can significantly improve your turning and milling composite processing technology
author: Hansheng Automation
2023-05-16
The skills of turning and milling composite processing are not fixed, it is an organic combination that requires the operator to fully utilize their imagination and hands-on ability, and is an innovative labor. Below are two processing tips shared by Yamei Precision:
1. Part processing sequence:
Drill first and then flat end (this is to prevent material shrinkage during drilling);
First rough turning, then fine turning (this is to ensure the accuracy of the parts);
After machining with large tolerances, the machining tolerance is small (this is to ensure that the surface of small tolerance dimensions is not scratched and prevent part deformation).
2. Choose a reasonable speed, feed rate, and cutting depth based on the hardness of the material:
1) Carbon steel materials are selected for high speed, large feed, and deep cutting. For example: 1Gr11, select S1600, F0.2, 2mm cutting depth;
2) Choose low speed, low feed, and small cutting depth for hard alloys. For example: GH4033, select S800, F0.08, and cut 0.5mm deep;
3) For titanium alloys, choose low speed, high feed rate, and small cutting depth. For example: Ti6, select S400, F0.2, and cut at a depth of 0.3mm. Taking the processing of a part as an example: the material is K414, which is a very hard material. After multiple tests, S360, F0.1, and a cutting depth of 0.2 were ultimately selected. Only qualified parts can be processed.
Mastering the skills of turning and milling composite machining is a gradual process. It is based on mastering the basic operation of machine tools, basic mechanical processing knowledge, and basic programming knowledge.
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