本(ben)机床用于(yu)汽车差速器(qi)壳(ke)体内腔(qiang)平面及球(qiu)面的(de)加工(gong)。机床为卧(wo)式(shi)双面布置(zhi)，左(zuo)端(duan)为DSS精镗头(tou)和(he)液(ye)压滑台组成(cheng)，右(you)端(duan)为(wei)DSS精(jing)镗头(tou)（从动(dong)轴，无动力）和液压(ya)及液(ye)压滑台(tai)组成(cheng)。中(zhong)间(jian)为(wei)夹(jia)具，夹具(ju)安装在专(zhuan)用数控移动(dong)工(gong)作台上，用于锪(huo)面(mian)进给(gei)。后方(fang)为(wei)双(shuang)位送(song)刀(dao)机械手(shou)，上件后(hou)送刀(dao)机械手(shou)送粗加工(gong)刀进(jin)去，动力头(tou)顶(ding)紧刀(dao)具(ju)机械(xie)手退(tui)回，数(shu)控(kong)工作台(tai)左(zuo)右工进(jin)，完(wan)成(cheng)粗锪(huo)面工序。刀具回(hui)位(wei)后，机械(xie)手(shou)将粗(cu)锪刀(dao)取(qu)走(zou)，另一机(ji)械(xie)手送精(jing)锪刀进入工(gong)件(jian)，重复上次循环，完(wan)成精(jing)加(jia)工。一次装夹一(yi)个(ge)工件(jian)。可通过更换、调(diao)整(zheng)定(ding)位夹紧元件，实(shi)现多(duo)品(pin)种(zhong)的(de)互(hu)换(huan)加(jia)工。