
不銹鋼電動卷板機的質量要求
卷板機由于使用的領域不同,種類也不同。從輥數上分為三輥卷板機和四輥卷板機。三輥又分對稱式三輥卷板機,水平下調式三棍卷板機,弧線下調式卷板機,上輥式三輥卷板機,液壓數控卷板機。從傳動上分機械式和液壓式。從卷板機的發展上說,上輥式落后,水平下調式略先進,弧線下調式。
三輥卷板機有1、機械式和2、液壓式
1、機械式三輥卷板機分為對稱和非對稱。
機械式三輥對稱式
機械式三輥對稱式卷板機性能特點:該機結構型式為三輥對稱式,上輥在兩下輥中央對稱位置作垂直升降運動,通過絲桿絲母蝸桿傳動而獲得,兩下輥作旋轉運動,通過減速機的輸出齒輪與下輥齒輪嚙合,為卷制板材提供扭矩。該機缺點是板材端部需借助其它設備進行預彎。
機械三輥非對稱式
機械(xie)三輥(gun)非(fei)對(dui)稱式卷(juan)板(ban)機主(zhu)(zhu)要特(te)點:該機結(jie)構型式為三輥(gun)非(fei)對(dui)稱式,上輥(gun)為主(zhu)(zhu)傳動(dong),下(xia)輥(gun)垂直升(sheng)(sheng)降運(yun)動(dong),以便夾緊板(ban)材,并通過下(xia)輥(gun)齒輪與(yu)上輥(gun)齒輪嚙合,同時作(zuo)為主(zhu)(zhu)傳動(dong);邊輥(gun)作(zuo)傾(qing)升(sheng)(sheng)降運(yun)動(dong),具有預(yu)彎(wan)和(he)卷(juan)圓雙重功能(neng)。結(jie)構緊湊,操作(zuo)維修方便。
對稱式(shi)卷(juan)(juan)板(ban)(ban)(ban)(ban)機(ji)(ji)(ji)上輥(gun)(gun)(gun)在(zai)兩下(xia)(xia)輥(gun)(gun)(gun)中(zhong)央對稱位置通(tong)過(guo)(guo)液(ye)(ye)壓(ya)缸(gang)內(nei)的(de)液(ye)(ye)壓(ya)卷(juan)(juan)板(ban)(ban)(ban)(ban)機(ji)(ji)(ji)油作(zuo)用于活塞作(zuo)垂直升降運動(dong),通(tong)過(guo)(guo)主減速機(ji)(ji)(ji)的(de)末級(ji)齒(chi)輪帶動(dong)兩下(xia)(xia)輥(gun)(gun)(gun)齒(chi)輪嚙合作(zuo)旋(xuan)(xuan)轉(zhuan)運動(dong),為卷(juan)(juan)制板(ban)(ban)(ban)(ban)材提供扭矩。卷(juan)(juan)板(ban)(ban)(ban)(ban)機(ji)(ji)(ji)規格平整(zheng)的(de)塑(su)性(xing)金屬(shu)板(ban)(ban)(ban)(ban)通(tong)過(guo)(guo)卷(juan)(juan)板(ban)(ban)(ban)(ban)機(ji)(ji)(ji)的(de)三(san)根(gen)工作(zuo)輥(gun)(gun)(gun)(二根(gen)下(xia)(xia)輥(gun)(gun)(gun)、一根(gen)上輥(gun)(gun)(gun))之間,借助(zhu)(zhu)上輥(gun)(gun)(gun)的(de)下(xia)(xia)壓(ya)及下(xia)(xia)輥(gun)(gun)(gun)的(de)旋(xuan)(xuan)轉(zhuan)運動(dong),使金屬(shu)板(ban)(ban)(ban)(ban)經過(guo)(guo)多道(dao)次(ci)連續彎(wan)曲(內(nei)層壓(ya)縮變(bian)(bian)形(xing),中(zhong)層不變(bian)(bian),外層拉伸變(bian)(bian)形(xing)),產生(sheng)性(xing)的(de)塑(su)性(xing)變(bian)(bian)形(xing),卷(juan)(juan)制成所(suo)需(xu)要的(de)圓(yuan)筒(tong)、錐筒(tong)或它們的(de)一部(bu)分。該(gai)液(ye)(ye)壓(ya)式(shi)三(san)輥(gun)(gun)(gun)卷(juan)(juan)板(ban)(ban)(ban)(ban)機(ji)(ji)(ji)缺點是板(ban)(ban)(ban)(ban)材端部(bu)需(xu)借助(zhu)(zhu)其它設備進(jin)行預(yu)彎(wan)。該(gai)卷(juan)(juan)板(ban)(ban)(ban)(ban)機(ji)(ji)(ji)適(shi)用于卷(juan)(juan)板(ban)(ban)(ban)(ban)厚度在(zai) 50mm以上的(de)大型卷(juan)(juan)板(ban)(ban)(ban)(ban)機(ji)(ji)(ji),兩下(xia)(xia)輥(gun)(gun)(gun)下(xia)(xia)部(bu)增(zeng)加了(le)一排固定托(tuo)輥(gun)(gun)(gun),縮短(duan)兩下(xia)(xia)輥(gun)(gun)(gun)跨距,從而提高卷(juan)(juan)制工件精度及機(ji)(ji)(ji)器整(zheng)體性(xing)能。