本机(ji)床(chuang)用于(yu)汽车(che)差速(su)器壳(ke)体内腔(qiang)平(ping)面及球面的(de)加工(gong)。机床(chuang)为卧式双(shuang)面(mian)布(bu)置，左端(duan)为DSS精(jing)镗头和(he)液压(ya)滑台(tai)组(zu)成(cheng)，右端为(wei)DSS精(jing)镗(tang)头(tou)（从动(dong)轴，无动(dong)力(li)）和(he)液(ye)压及(ji)液压(ya)滑(hua)台(tai)组成。中间为夹(jia)具，夹(jia)具(ju)安装在专(zhuan)用数(shu)控移动(dong)工(gong)作(zuo)台上，用于锪面(mian)进给。后方为双(shuang)位送(song)刀(dao)机(ji)械(xie)手，上件(jian)后送(song)刀(dao)机械(xie)手(shou)送(song)粗(cu)加(jia)工(gong)刀(dao)进去(qu)，动力头顶紧(jin)刀具(ju)机(ji)械手(shou)退回，数控(kong)工(gong)作(zuo)台左右工进(jin)，完(wan)成粗(cu)锪面工序(xu)。刀(dao)具(ju)回位后，机(ji)械手(shou)将(jiang)粗锪刀(dao)取走(zou)，另一(yi)机(ji)械(xie)手送(song)精(jing)锪刀进入工件(jian)，重(zhong)复上(shang)次(ci)循环，完成(cheng)精加工。一次装(zhuang)夹(jia)一个工(gong)件。可(ke)通过更(geng)换(huan)、调整(zheng)定(ding)位夹(jia)紧(jin)元(yuan)件(jian)，实(shi)现(xian)多品(pin)种(zhong)的互换加(jia)工(gong)。