CNC數控車床(chuang)是一款加(jia)工(gong)很廣泛的數控機床(chuang),如何用(yong)CNC數控車床(chuang)來加(jia)工(gong)零件,在(zai)CNC數控車床上加工零件時,應該遵(zun)循如(ru)下原(yuan)則:
CNC CKX-6146-DM,刀塔尾座數控車床
1、選擇(ze)適合在CNC數控車床上加工(gong)的零件。
2、分析被加(jia)工零件(jian)圖樣(yang),明確加(jia)工內容和技(ji)術要求。
3、確定工(gong)件坐標系(xi)原點(dian)(dian)位置。原點(dian)(dian)位置一般選擇在(zai)工(gong)件右端面(mian)(mian)和主軸(zhou)回轉中心交點(dian)(dian)P,也可(ke)以設在(zai)主軸(zhou)回轉中心與(yu)工(gong)件左(zuo)端面(mian)(mian)交點(dian)(dian)O上。
4、制定加(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝路(lu)徑,應該考(kao)慮(lv)加(jia)工(gong)(gong)(gong)起(qi)始點(dian)(dian)位置(zhi),起(qi)始點(dian)(dian)一般也(ye)作為加(jia)工(gong)(gong)(gong)結束的(de)(de)(de)位置(zhi),起(qi)始點(dian)(dian)應便于檢(jian)查(cha)和(he)裝夾工(gong)(gong)(gong)件(jian)(jian),應該考(kao)慮(lv)粗(cu)車(che)、半(ban)精車(che)、精車(che)路(lu)線(xian)(xian),在保證零件(jian)(jian)加(jia)工(gong)(gong)(gong)精度和(he)表面粗(cu)糙(cao)度的(de)(de)(de)前提下,盡可能(neng)以最(zui)少的(de)(de)(de)進給路(lu)線(xian)(xian)完(wan)成零件(jian)(jian)的(de)(de)(de)加(jia)工(gong)(gong)(gong),縮短(duan)單件(jian)(jian)的(de)(de)(de)加(jia)工(gong)(gong)(gong)時間,應考(kao)慮(lv)換(huan)刀(dao)點(dian)(dian)的(de)(de)(de)位置(zhi),換(huan)刀(dao)點(dian)(dian)是加(jia)工(gong)(gong)(gong)過(guo)程中(zhong)刀(dao)架進行(xing)自動換(huan)刀(dao)的(de)(de)(de)位置(zhi),換(huan)刀(dao)點(dian)(dian)位置(zhi)的(de)(de)(de)選(xuan)(xuan)擇應考(kao)慮(lv)在換(huan)刀(dao)過(guo)程中(zhong)不發生干涉現象,且換(huan)刀(dao)路(lu)線(xian)(xian)盡可能(neng)短(duan),加(jia)工(gong)(gong)(gong)起(qi)始點(dian)(dian)和(he)換(huan)刀(dao)點(dian)(dian)可選(xuan)(xuan)同一點(dian)(dian)或(huo)者不選(xuan)(xuan)同一點(dian)(dian)。
5、選擇切削參(can)數。在加工過程中(zhong),應根據(ju)零件精度要求(qiu)選擇合理的(de)主軸(zhou)轉(zhuan)速、進給速度、和切削深(shen)度。
6、合理(li)選(xuan)擇(ze)(ze)刀具(ju)。根據加工的零(ling)件形狀和表面精度要求,選(xuan)擇(ze)(ze)合適(shi)的刀具(ju)進行(xing)加工。
7、編制加工程(cheng)序(xu),調試加工程(cheng)序(xu),完成零件加工。