特点(dian):
1、零(ling)件(jian)加工的适(shi)应性强、灵活性好,能加工轮廓形状特别复杂或难(nan)以控制尺寸的零(ling)件(jian),如模具类零(ling)件(jian)、壳体类零(ling)件(jian)等;
2、能加工(gong)普通(tong)机床无法加工(gong)或很难加工(gong)的零(ling)(ling)件(jian),如用数学模型(xing)描述的复杂曲(qu)线零(ling)(ling)件(jian)以及三维(wei)空间(jian)曲(qu)面类零(ling)(ling)件(jian);
3、能加工(gong)(gong)一次(ci)装夹(jia)定(ding)位后,需进(jin)行(xing)多道工(gong)(gong)序加工(gong)(gong)的零件;
4、加(jia)工(gong)精度高、加(jia)工(gong)质(zhi)量(liang)稳定可(ke)靠,数控装置的(de)(de)脉冲当量(liang)为(wei)0.001mm,数控系统可(ke)达0.1μm,另外(wai),数控加(jia)工(gong)还避(bi)免了操作(zuo)人员的(de)(de)操作(zuo)失(shi)误;
5、生(sheng)产自(zi)动(dong)(dong)化(hua)程(cheng)度高,可(ke)以(yi)减轻(qing)操作(zuo)者的劳(lao)动(dong)(dong)强度。有利于生(sheng)产管(guan)理自(zi)动(dong)(dong)化(hua);
6、生产(chan)效(xiao)率高,数(shu)控铣(xian)床(chuang)(chuang)一般不需要(yao)使用专用夹具等专用工艺设备(bei),在(zai)更换(huan)工件时只(zhi)需调用存储于(yu)数(shu)控装置中(zhong)的加(jia)工程序(xu)、装夹工具和(he)调整(zheng)刀具数(shu)据即可,因而大(da)大(da)缩短了生产(chan)周(zhou)期。其次,数(shu)控铣(xian)床(chuang)(chuang)具有铣(xian)床(chuang)(chuang)、镗床(chuang)(chuang)、钻床(chuang)(chuang)的功能,使工序(xu)高度(du)集中(zhong),大(da)大(da)提高了生产(chan)效(xiao)率。另外,数(shu)控铣(xian)床(chuang)(chuang)的主轴(zhou)转(zhuan)速和(he)进给(ji)速度(du)都是(shi)无级变速的,因此有利(li)于(yu)选择(ze)最佳切削用量(liang)。