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数控机床和普通机床的对比

2020-06-22 2561

  1。精度上风

  平凡(fan)车床(chuang)靠齿轮宁静凡(fan)丝杠螺母传动。由于各(ge)活动副(fu)间(jian)存在间(jian)隙(xi),加(jia)上手工(gong)操纵不正确,因(yin)此重复精度较低。平凡(fan)车床(chuang)丈量(liang)时需停车背工(gong)工(gong)丈量(liang),丈量(liang)偏差较大。

  数控车床(chuang)靠驱动(dong)(dong)(dong)电(dian)机(ji)动(dong)(dong)(dong)员滚珠丝(si)杠传动(dong)(dong)(dong)。滚珠丝(si)杠颠(dian)末预拉伸安置(zhi)后有过盈量(liang),传动(dong)(dong)(dong)无间隙,精度重要靠机(ji)床(chuang)自己(ji)和步伐(fa)包管。在(zai)加(jia)工历(li)程中可(ke)(ke)以通过编码器举行(xing)位置(zhi)丈量(liang),可(ke)(ke)以赔偿刀(dao)具磨损及其他缘故原由(you)孕育(yu)发生的偏差。以是加(jia)工质量(liang)好(hao),精度稳固(gu)。

  2。批量生产服从上风

  一(yi)台平(ping)凡(fan)车(che)床必要(yao)一(yi)个(ge)纯熟(shu)的操纵工(gong)人(ren)。由于利用手(shou)动三(san)爪卡盘,而(er)且丈(zhang)(zhang)量时须停(ting)车(che)背工(gong)工(gong)丈(zhang)(zhang)量,加工(gong)服(fu)从低下。

  在批(pi)量生产(chan)、利(li)用液压卡(ka)盘或(huo)弹簧夹头(tou)(tou)夹紧工(gong)(gong)(gong)件(jian)(jian)的条件(jian)(jian)下(xia),一(yi)个不(bu)懂任何技能的工(gong)(gong)(gong)人可以至(zhi)少同时操纵两台(tai)数控车床(chuang)(chuang)。生产(chan)服(fu)从是(shi)(shi)利(li)用平凡(fan)车床(chuang)(chuang)的4倍以上。一(yi)旦操纵工(gong)(gong)(gong)的身材环境欠(qian)安大(da)概头(tou)(tou)脑不(bu)会(hui)合(he),产(chan)物废品率会(hui)急剧上升。数控车床(chuang)(chuang)根本(ben)靠设置装(zhuang)备部署来包管加工(gong)(gong)(gong)精(jing)度(du),操纵工(gong)(gong)(gong)根本(ben)只(zhi)起到(dao)装(zhuang)卸工(gong)(gong)(gong)件(jian)(jian)和开关的作用,人为影响(xiang)很少,以是(shi)(shi)产(chan)物及格率比(bi)力高。

  数控机床加工

  3。采购本钱较(jiao)高

  同样规格(ge)的(de)数(shu)(shu)控车(che)(che)(che)床(chuang)(chuang)的(de)代价(jia)是(shi)平(ping)凡车(che)(che)(che)床(chuang)(chuang)的(de)1。5倍以上(shang)(shang)。但(dan)(dan)老金人为随着(zhe)数(shu)(shu)控体系代价(jia)的(de)降落,数(shu)(shu)控车(che)(che)(che)床(chuang)(chuang)本钱(qian)(qian)上(shang)(shang)的(de)劣势会(hui)越来越小(xiao)。单件加工(gong)本钱(qian)(qian)现在较高(gao)现在的(de)数(shu)(shu)控车(che)(che)(che)床(chuang)(chuang)比(bi)平(ping)凡车(che)(che)(che)床(chuang)(chuang)单件加工(gong)的(de)生(sheng)产(chan)本钱(qian)(qian)要高(gao)时不争的(de)究竟。但(dan)(dan)要是(shi)颠末革新,数(shu)(shu)控车(che)(che)(che)床(chuang)(chuang)在单件生(sheng)产(chan)的(de)本钱(qian)(qian)和服(fu)从上(shang)(shang)也将(jiang)优于平(ping)凡车(che)(che)(che)床(chuang)(chuang)。

  文章源自:数控车床加工  //yiwi88.com


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