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立式加工中心的数控加工对刀具使用基本要求
2022-06-30 14:44:00 【lrglu】
立式加工中心是通过执行工件的加工程序来完成加工的。并且通常情况下如非紧急,不得随意中断立式加工中心程序的执行。因而立式加工中心对所使用的刀具要求有足够的刚性和较高的强度,进而为了保持工件加工尺寸的一致性,立式加工中心的加工刀具一定要具有加工的耐用度,从而本文进行具体介绍关于立式加工中心的数控加工对刀具使用基本要求。
1、所用刀具要具有较高的耐用度
立式加工中心刀具的较好的耐用度是保证工件加工精度的关键,特别是当一把铣刀加工的内容很多时,如刀具耐用并且磨损较慢,不仅会提高工件的表面质量与加工精度,而且会减少换刀引起的调刀与对刀次数,从而使小型立式加工中心的加工效率更上一层楼,并且不会使工作表面留下因对刀误差而形成的接刀台阶,进而提高了工件的表面质量和配合精度。
2、所选的刀具刚性要好
立式加工中心刀具的刚性和耐用度相辅相成,较好的刚性为提高生产效率而采用大切削用量的需要和为适应数控加工过程中难以调整切削用量的特点。进而当工件各处的加工余量相差悬殊时,传统加工机床可通过手动调整,很容易采取分层铣削方法加以解决,而小型立式加工中心的数控铣削就必须按程序规定的走刀路线前进,当遇到余量大时无法象通用铣床那样“随机应变”,突然过大的切削力对刀具刚性是个不小的考验,由此可知刀具刚性高低的重要性。
综上即是对立式加工中心的数控加工对刀具使用基本要求的介绍,并且信誉好的立式加工中心是一种配置有刀库及自动换刀装置的数控型铣削加工设备。和普通型的数控铣床不同,这种加工设备具有高度的自动化加工能力,和较强的复合加工能力。
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