龍門剪液壓動作原(yuan)理 

①空負荷運轉

啟動(dong)油(you)(you)栗，電磁鐵不(bu)通電，油(you)(you)栗輸出的工作(zuo)油(you)(you)經溢流閥回人油(you)(you)箱，系統(tong)作(zuo)空負荷運轉。

②側(ce)壓油缸前進和(he)后退

(1)前(qian)進(jin)電磁鐵通電，油(you)(you)(you)泵輸出的工作油(you)(you)(you)經(jing)單(dan)向閥在溢流(liu)閥調定壓力下經(jing)插裝(zhuang)(zhuang)閥進(jin)人(ren)側壓油(you)(you)(you)缸的后腔，側壓油(you)(you)(you)缸前(qian)腔的池(chi)經(jing)插裝(zhuang)(zhuang)閥回人(ren)油(you)(you)(you)箱，側壓油(you)(you)(you)缸前(qian)進(jin)壓料。

(2)后(hou)退電磁鐵通電，油(you)泵(beng)輸出(chu)的(de)工作(zuo)油(you)經單(dan)向閥在溢(yi)流閥調定壓力下經插(cha)裝閥進入側壓油(you)缸(gang)的(de)前腔，側壓油(you)缸(gang)后(hou)腔的(de)油(you)經插(cha)裝閥回人(ren)油(you)箱，側壓油(you)缸(gang)后(hou)退回程(cheng)。

③門蓋油缸前進和后退(tui)

①前進(jin)電磁鐵通電，油(you)栗輸出的工作油(you)經單向閥在(zai)溢流閥調定壓力下經插裝閥進(jin)入門蓋油(you)缸的后腔(qiang)，門蓋油(you)缸前腔(qiang)的油(you)經插裝閥回入油(you)箱，門蓋油(you)缸上升前進(jin)，門蓋閉合壓料。

②后退電(dian)磁鐵通電(dian)，油泵(beng)輸(shu)出的(de)工作油經(jing)單向閥(fa)在溢(yi)流(liu)閥(fa)調定壓力下經(jing)插裝(zhuang)閥(fa)進

人(ren)(ren)門(men)蓋油(you)(you)(you)(you)缸的前腔(qiang)，門(men)蓋油(you)(you)(you)(you)缸后腔(qiang)的油(you)(you)(you)(you)經插裝閥回人(ren)(ren)油(you)(you)(you)(you)箱，門(men)蓋油(you)(you)(you)(you)缸下(xia)降后退，門(men)蓋開啟。

④推料油缸(gang)前進和后(hou)退

a.前進(jin)電磁鐵通電，油(you)(you)(you)栗輸出(chu)的工作油(you)(you)(you)經單向閥(fa)在溢(yi)流(liu)閥(fa)調定(ding)壓(ya)力下經插裝閥(fa)進(jin)人推(tui)(tui)料(liao)(liao)油(you)(you)(you)缸(gang)的后腔(qiang)，推(tui)(tui)料(liao)(liao)油(you)(you)(you)缸(gang)前腔(qiang)的油(you)(you)(you)經插裝閥(fa)回入油(you)(you)(you)箱，推(tui)(tui)料(liao)(liao)油(you)(you)(you)缸(gang)前進(jin)，從(cong)而推(tui)(tui)動料(liao)(liao)箱內廢鋼前進(jin)。

b.后退電磁鐵通電，油(you)(you)(you)(you)泵輸出的(de)工作(zuo)油(you)(you)(you)(you)經(jing)單向閥在(zai)溢流(liu)閥調定(ding)壓力下經(jing)插(cha)裝閥進人推料油(you)(you)(you)(you)缸的(de)前腔，推料油(you)(you)(you)(you)缸后腔的(de)油(you)(you)(you)(you)經(jing)插(cha)裝閥回人油(you)(you)(you)(you)箱(xiang)，推料油(you)(you)(you)(you)缸后退回程。

⑤壓料油缸壓料和回程

①壓料(liao)電磁鐵(tie)通電，油(you)(you)泵輸出的(de)工作(zuo)油(you)(you)經(jing)(jing)單向閥(fa)在溢流閥(fa)調定壓力下經(jing)(jing)插裝(zhuang)閥(fa)進人壓料(liao)油(you)(you)缸(gang)(gang)的(de)后腔(qiang)，壓料(liao)油(you)(you)缸(gang)(gang)前腔(qiang)的(de)油(you)(you)經(jing)(jing)插裝(zhuang)閥(fa)回人油(you)(you)箱(xiang)，壓料(liao)油(you)(you)缸(gang)(gang)前進壓料(liao)。

②回程電磁鐵通電，油泵輸出的(de)工作(zuo)油經(jing)(jing)單(dan)向閥(fa)在溢流閥(fa)調定(ding)壓(ya)力下經(jing)(jing)插(cha)裝閥(fa)進(jin)人壓(ya)料(liao)油缸(gang)(gang)的(de)前(qian)腔，壓(ya)料(liao)油缸(gang)(gang)后(hou)腔的(de)油經(jing)(jing)插(cha)裝閥(fa)回入油箱，壓(ya)料(liao)油缸(gang)(gang)后(hou)退(tui)回程。

⑥剪切油缸(gang)剪料(liao)和回程

①剪(jian)(jian)料(liao)電(dian)(dian)磁(ci)(ci)鐵通電(dian)(dian)，兩臺油(you)(you)泵輸(shu)出(chu)的工(gong)(gong)作油(you)(you)經(jing)(jing)單向閥在(zai)溢流閥調定(ding)(ding)壓力(li)下經(jing)(jing)插裝(zhuang)閥進(jin)人(ren)(ren)剪(jian)(jian)切(qie)(qie)(qie)(qie)油(you)(you)缸(gang)后(hou)腔(qiang)(qiang)，剪(jian)(jian)切(qie)(qie)(qie)(qie)油(you)(you)缸(gang)前(qian)腔(qiang)(qiang)工(gong)(gong)作油(you)(you)經(jing)(jing)插裝(zhuang)閥進(jin)人(ren)(ren)剪(jian)(jian)切(qie)(qie)(qie)(qie)油(you)(you)缸(gang)的后(hou)腔(qiang)(qiang)，剪(jian)(jian)切(qie)(qie)(qie)(qie)油(you)(you)缸(gang)差動前(qian)進(jin)剪(jian)(jian)切(qie)(qie)(qie)(qie)；當壓力(li)達到繼(ji)電(dian)(dian)器(qi)調定(ding)(ding)壓力(li)時(shi)，一(yi)只電(dian)(dian)磁(ci)(ci)鐵斷(duan)電(dian)(dian)，一(yi)只電(dian)(dian)磁(ci)(ci)鐵通電(dian)(dian)，兩臺油(you)(you)泵輸(shu)出(chu)的工(gong)(gong)作油(you)(you)經(jing)(jing)單向閥在(zai)溢流閥調定(ding)(ding)壓力(li)下經(jing)(jing)插裝(zhuang)閥進(jin)人(ren)(ren)剪(jian)(jian)切(qie)(qie)(qie)(qie)油(you)(you)缸(gang)后(hou)腔(qiang)(qiang)，剪(jian)(jian)切(qie)(qie)(qie)(qie)油(you)(you)缸(gang)前(qian)腔(qiang)(qiang)的油(you)(you)經(jing)(jing)插裝(zhuang)閥回人(ren)(ren)油(you)(you)箱，剪(jian)(jian)切(qie)(qie)(qie)(qie)油(you)(you)缸(gang)工(gong)(gong)速前(qian)進(jin)，完(wan)成廢鋼剪(jian)(jian)切(qie)(qie)(qie)(qie)。

②回程電磁鐵(tie)通(tong)電，兩臺油(you)(you)泵輸(shu)出的(de)工(gong)作油(you)(you)經單向閥(fa)在溢流閥(fa)調定壓力(li)下經插裝閥(fa)進人(ren)剪(jian)切油(you)(you)缸前(qian)腔(qiang)，剪(jian)切油(you)(you)缸后腔(qiang)的(de)油(you)(you)經插裝閥(fa)回入(ru)油(you)(you)箱，剪(jian)切油(you)(you)缸后退，剪(jian)刀上(shang)升回程。

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