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我厂创汇产品零件——锥套,形状复杂、加工工序多要求高,工艺设计要经过车、磨、钻、铰、攻丝、拉键槽等加工工序。其中车削外锥体(锥度为4°_(-4′)~(+1′)只能在如靠模车床之类的专用车床上加工。由于该产品数量大(达数万只)、品种多(从φ50～φ180mm),且铸件外形不规则(为断续切削),给及时完成产品带来困难。为此,我们将两台C616型车床和一台C620-1型普通车床改装成锥套斜度切削专用车床。现仅将C620-1型普通车床改装情况介绍如下:
I plant foreign exchange product parts - taper sets, complex shapes, processing requirements and more demanding, process design to go through cars, grinding, drilling, hinges, tapping, keyway and other processing processes. The outer turning cone (taper 4 ° _ (- 4 ’) ~ (+1’) can only be machined on special lathes such as lathe lathes. Due to the large number of products (up to tens of thousands) (From φ50 ~ φ180mm), and the irregular shape of the casting (for intermittent cutting), to the timely completion of the product to bring difficulties.To this end, we will be two C616 lathe and a C620-1 ordinary turning machine converted into cone Sets of gradient cutting special lathe .Car only C620-1 general lathe modification situation is described below: