亲朋棋牌

锯床技术

切削理论-钛和钛合金的切削

日期:2019-11-11 20:53:52
亲朋棋牌


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TU1. MIPAILIUFANGJIEGOU


TU2. TIXINLIFANG

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图3. 切钛、镍、铁的刀具切削力VS速度

其切削力小主要是由于切屑与前刀面的接触面积比切削其他纯金属时要小(锰除外)。由于接触面积很小,剪切角大,切屑薄,切屑厚度经常不会比进给深度厚多少,切屑形状连续但成片状。钛合金的片状切屑结构尤其明显,如下图所示,很窄的距离中就出现多个剪切分层的片。见图4.
亲朋棋牌图4。 切削钛时,快停实验之切屑形状

QIEXUESHANGYECHUNTAISHI,MEIYOUXINGCHENGJIXIELIUDEXIANXIANG,QIANJIAOLIUXIEQUFEICHANGBO-TONGCHANGZHIYOU 0.012mm,SHENZHIBIZHEIHAIBO。

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亲朋棋牌图5. 高速钢刀具切削商业纯钛之前刀面温场分布

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