電(dian)(dian)桿鋼(gang)筋定長(chang)切(qie)斷機采用臺灣產(chan)20t氣液增(zeng)壓(ya)(ya)(ya)缸(gang)為動(dong)(dong)(dong)(dong)力。工(gong)作時(shi),鋼(gang)筋以(yi)51m/min的速度前(qian)行,在定長(chang)位置前(qian) 500mm處自動(dong)(dong)(dong)(dong)減(jian)速,鋼(gang)筋到達定長(chang)后(hou),微(wei)電(dian)(dian)腦(nao)控(kong)制(zhi)電(dian)(dian)磁閥工(gong)作,氣源(yuan)給增(zeng)壓(ya)(ya)(ya)缸(gang)氣缸(gang)部分壓(ya)(ya)(ya)力,氣缸(gang)活塞桿快速移動(dong)(dong)(dong)(dong),推(tui)動(dong)(dong)(dong)(dong)動(dong)(dong)(dong)(dong)刀壓(ya)(ya)(ya)住鋼(gang)筋,然后(hou),微(wei)電(dian)(dian)腦(nao)控(kong)制(zhi)另一電(dian)(dian)磁閥工(gong)作,增(zeng)壓(ya)(ya)(ya)缸(gang)增(zeng)壓(ya)(ya)(ya),油(you)缸(gang)部分輸出20t的壓(ya)(ya)(ya)力,推(tui)動(dong)(dong)(dong)(dong)動(dong)(dong)(dong)(dong)刀切(qie)斷鋼(gang)筋,微(wei)電(dian)(dian)腦(nao)控(kong)制(zhi)電(dian)(dian)磁閥工(gong)作,增(zeng)壓(ya)(ya)(ya)缸(gang)復位,動(dong)(dong)(dong)(dong)刀彈簧復位。
本機(ji)采(cai)用西門子人機(ji)界面(mian)TD-400C和(he)可編程控(kong)制(zhi)器PLC以及變(bian)頻器的組(zu)(zu)合(he)控(kong)制(zhi),使得設(she)備的自動化程度得到很大提高,操(cao)作更加形象、省(sheng)事,組(zu)(zu)合(he)控(kong)制(zhi)的所(suo)有參數(shu)全都在人機(ji)界面(mian)操(cao)作中。
每種參數(shu)設(she)定的(de)范(fan)圍為(wei):長度(du)2000?16000mm,根(gen)數(shu)小于等于10000根(gen),長度(du)修正在(zai)(zai)0.5?1.5mm之間(jian),超 出上述范(fan)圍會(hui)自動報(bao)警停車(che)。同時在(zai)(zai)工作(zuo)過(guo)程中,設(she)定的(de)根(gen)數(shu)已(yi)切(qie)完也會(hui)報(bao)警停車(che),必須按(an)面板(ban)上的(de)根(gen)數(shu)清零(ling)按(an)鈕才(cai)能繼續工作(zuo)。為(wei)防止(zhi)干(gan)擾導致誤(wu)動作(zuo),應嚴格將電器(qi)柜內的(de)接地端(duan)接地。