zwh7778
幼苗
共回答了17个问题采纳率:82.4% 举报
The slow speed shaft components' processing surface by the column surface, the threaded hole, the key slot and so on is composed, the key slot surface, the column are high facing the working accuracy request, the components material is 45 steel, must after the quenching and retempering treatment, the components processing carry on the process study first generally according to the blueprint, then the choice appropriate semifinished materials, divide the working procedure finally, determined that the processing sequence, processes the route, the components attire to clamp, the cutting tool and the cutting specifications elects.
1年前
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