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立(li)式(shi)車(che)床(chuang)(chuang)一(yi)(yi)般可分為(wei)(wei)單柱(zhu)(zhu)式(shi)和(he)雙柱(zhu)(zhu)式(shi)。小型立(li)式(shi)車(che)床(chuang)(chuang)一(yi)(yi)般做成單柱(zhu)(zhu)式(shi),大型立(li)式(shi)車(che)床(chuang)(chuang)做成雙柱(zhu)(zhu)式(shi)。立(li)式(shi)車(che)床(chuang)(chuang)結構的主(zhu)(zhu)要特點是它(ta)的主(zhu)(zhu)軸處(chu)于(yu)垂直位置。立(li)式(shi)車(che)床(chuang)(chuang)的主(zhu)(zhu)要特點是:工(gong)作臺在水平面(mian)內(nei),工(gong)件的安裝調整比較方便(bian)。工(gong)作臺由導軌支撐,剛性(xing)好(hao),切削平穩。有幾個刀架(jia),并能快速換刀,立(li)式(shi)車(che)床(chuang)(chuang)的加工(gong)精度可達到IT9-IT8,表面(mian)粗(cu)糙度Ra可達3.2-1.6um.立(li)式(shi)車(che)床(chuang)(chuang)的主(zhu)(zhu)參數為(wei)(wei)大車(che)削直徑D。
車(che)主要用于加(jia)工直徑(jing)大、長度短的大型、重(zhong)型工件(jian)(jian)和不易(yi)在臥式車(che)床上(shang)裝(zhuang)夾的工件(jian)(jian),回轉直徑(jing)滿足的情況下,太重(zhong)的工件(jian)(jian)在臥車(che)不易(yi)裝(zhuang)夾,由于本身自(zi)重(zhong),對(dui)加(jia)工精(jing)度有影(ying)響,采用立車(che)可以解(jie)決上(shang)述問(wen)題(ti)。
立式(shi)車(che)床(chuang)屬于(yu)大(da)型機械設(she)備,用(yong)于(yu)加工(gong)(gong)(gong)(gong)徑向尺(chi)寸大(da)而(er)軸(zhou)向尺(chi)寸相對較(jiao)小,形狀復雜(za)的大(da)型和重型工(gong)(gong)(gong)(gong)件(jian)。如(ru)各(ge)種(zhong)盤,輪和套類工(gong)(gong)(gong)(gong)件(jian)的圓(yuan)柱面(mian),端(duan)面(mian),圓(yuan)錐(zhui)面(mian),圓(yuan)柱孔(kong),圓(yuan)錐(zhui)孔(kong)等(deng)。亦可借助附加裝(zhuang)置進行車(che)螺紋,車(che)球面(mian),仿形,銑削和磨(mo)削等(deng)加工(gong)(gong)(gong)(gong)。與臥式(shi)車(che)床(chuang)相比,工(gong)(gong)(gong)(gong)件(jian)在(zai)臥式(shi)車(che)床(chuang)的夾(jia)裝(zhuang)飾里面(mian)上的夾(jia)裝(zhuang)。而(er)立式(shi)車(che)床(chuang)主(zhu)軸(zhou)軸(zhou)線(xian)為垂直布局(ju),工(gong)(gong)(gong)(gong)作(zuo)臺(tai)(tai)臺(tai)(tai)面(mian)處于(yu)水平平面(mian)內,因此(ci)工(gong)(gong)(gong)(gong)件(jian)的夾(jia)裝(zhuang)與找正(zheng)比較(jiao)方便。這種(zhong)布局(ju)減輕了主(zhu)軸(zhou)及軸(zhou)承的荷載,因此(ci)立式(shi)車(che)床(chuang)能夠較(jiao)長期的保持工(gong)(gong)(gong)(gong)作(zuo)精度。
結構特點:
1、主變(bian)速箱液(ye)壓變(bian)速;工作臺(tai)轉(zhuan)速手動轉(zhuan)閥選定,通過電液(ye)操縱(zong)實現;
2、垂(chui)直刀(dao)架,液壓系統備有保壓裝置;
3、橫(heng)梁夾緊(jin)機構(gou)采用彈簧夾緊(jin),液壓松開(kai);
4、備有數(shu)顯裝置(zhi)(需特殊訂貨*);
5、主變(bian)速箱及(ji)工作(zuo)臺主軸支撐及(ji)傳動自動潤滑;
6、主(zhu)傳動皮帶(dai)拉力(li)、主(zhu)軸軸承間(jian)隙(xi)、垂直滑枕螺(luo)母(mu)間(jian)隙(xi)及橫梁夾(jia)緊力(li)均可(ke)調;
7、進給(gei)機構有保險裝(zhuang)置(zhi);
8、CJ5710定(ding)梁立車其橫梁固定(ding)無行程,不帶側刀架