涂层硬质合金正交车铣TC4钛合金刀具寿命试验分析

Tool Engineering(2015)

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Abstract
在Mazak Integrex 200Y车铣复合加工中心上,顺、逆铣干切和切削液条件下,取v=150、200m/min两种切削速度,采用涂层硬质合金S30T对TC4钛合金进行正交车铣刀具寿命试验.试验结果表明,当达到磨钝标准0.3mm时,在切削速度为150m/min时,顺铣干切和切削液条件下,逆铣干切及切削液条件下,切削路程都相差不明显,切削液对刀具寿命的影响不大;切削速度为200m/min时,顺铣干切和切削液条件下,切削路程相差明显,使用切削液条件下刀具的寿命延长;逆铣干切和切削液条件下,切削路程相差不明显,切削液对刀具寿命的影响不大.通过对比得出S30T正交车铣TC4钛合金时优先选用顺铣切削液加工方式.
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