滾(gun)筒(tong)(tong)式(shi)(shi)液壓(ya)(ya)(ya)(ya)(ya)剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)機(ji)是一種應用(yong)很廣(guang)的(de)液壓(ya)(ya)(ya)(ya)(ya)剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)機(ji)。它裝(zhuang)設在(zai)連軋機(ji)組或橫切(qie)(qie)(qie)(qie)機(ji)組上(shang)(shang)，用(yong)來剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)厚度(du)小于12mm的(de)鋼(gang)板或小型(xing)型(xing)鋼(gang)。這種液壓(ya)(ya)(ya)(ya)(ya)剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)機(ji)作(zuo)為(wei)切(qie)(qie)(qie)(qie)頭液壓(ya)(ya)(ya)(ya)(ya)剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)機(ji)時(shi)，其剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)厚度(du)可達(da)45mm。滾(gun)筒(tong)(tong)式(shi)(shi)液壓(ya)(ya)(ya)(ya)(ya)剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)機(ji)的(de)刀(dao)片(pian)作(zuo)簡(jian)單的(de)圓周(zhou)運動，故可剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)運動速(su)度(du)高達(da)15m／s以上(shang)(shang)的(de)軋件(jian)(jian)。圖9-1(P300頁)是滾(gun)筒(tong)(tong)式(shi)(shi)液壓(ya)(ya)(ya)(ya)(ya)剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)機(ji)結(jie)構示意(yi)圖。萬(wan)片(pian)1裝(zhuang)在(zai)滾(gun)筒(tong)(tong)2上(shang)(shang)(圖9-1)。滾(gun)筒(tong)(tong)2旋轉時(shi)，刀(dao)片(pian)1作(zuo)圓周(zhou)運動。用(yong)于切(qie)(qie)(qie)(qie)頭切(qie)(qie)(qie)(qie)尾的(de)滾(gun)筒(tong)(tong)式(shi)(shi)液壓(ya)(ya)(ya)(ya)(ya)剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)機(ji)，在(zai)滾(gun)筒(tong)(tong)上(shang)(shang)往往裝(zhuang)有兩把刀(dao)片(pian)，分別(bie)用(yong)來切(qie)(qie)(qie)(qie)頭和切(qie)(qie)(qie)(qie)尾。液壓(ya)(ya)(ya)(ya)(ya)剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)機(ji)采用(yong)啟動工作(zuo)制(zhi)。用(yong)于切(qie)(qie)(qie)(qie)定尺的(de)滾(gun)筒(tong)(tong)式(shi)(shi)液壓(ya)(ya)(ya)(ya)(ya)剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)機(ji)，一般采用(yong)連續(xu)工作(zuo)制(zhi)。小型(xing)車間的(de)滾(gun)筒(tong)(tong)式(shi)(shi)液壓(ya)(ya)(ya)(ya)(ya)剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)機(ji)，由(you)于軋件(jian)(jian)寬度(du)不(bu)大，往往將刀(dao)片(pian)裝(zhuang)在(zai)作(zuo)圓周(zhou)運動的(de)杠桿上(shang)(shang)(圖9-2) (P301頁)。圖9-2 (P301頁)所示的(de)液壓(ya)(ya)(ya)(ya)(ya)剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)機(ji)，也稱為(wei)回轉式(shi)(shi)液壓(ya)(ya)(ya)(ya)(ya)剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)機(ji)。滾(gun)筒(tong)(tong)式(shi)(shi)或回轉式(shi)(shi)液壓(ya)(ya)(ya)(ya)(ya)剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)機(ji)的(de)刀(dao)片(pian)作(zuo)圓周(zhou)運動，上(shang)(shang)下刀(dao)片(pian)切(qie)(qie)(qie)(qie)入軋件(jian)(jian)時(shi)，在(zai)垂(chui)直方(fang)向(xiang)不(bu)平(ping)行，剪(jian)(jian)(jian)(jian)(jian)后(hou)軋件(jian)(jian)頭部不(bu)平(ping)整，故以剪(jian)(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)直徑小于Ø30mm的(de)圓鋼(gang)或相應的(de)方(fang)坯，以及薄板帶為(wei)宜。