实用英语508分析.ppt

普通车床 Ordinary lathe 普通车床一般指卧式金属车床，被称为机床之父。? Ordinary?lathe?generally?refers?to? the?horizontal?metal?lathe,?known?as? the?father?of?machine?tool 它应用广泛，包含了很多其他机床的基本机械要素。? It?is?widely?used,?including?a?lot?of?other?mechanical?basic?machine?tools.? 知道了车床的结构和功能才能很好的理解车床。? Know?the?structure?and?function?of?the?lathe?to?very?good?understanding?of?the?lathe.? 通常的车床一般由床头箱、床身、床鞍和尾架组成。? Usually?by?headstock,?commonly?lathe?bed,?bed?saddle?and?the?tail?stock.? 床头箱由坚固的，不易变形的金属制造，它包含了主轴及其支撑轴承和变速结构。?Headstock?by?strong,?not?easy?deformation?of?the?metal?manufacturing,?it?contains?the?main?shaft?and?its?bearing?and?speed?changing?structure.?? 夹紧工件的卡盘安装在主轴上。? Clamping?workpiece?chuck?is?installed?on?the?spindle.?? 车床的主干部分是床身，它由铸铁制造，导轨是床身上磨削的表面，床鞍和尾架跨骑在床身上。? Trunk?is?lathe?bed,?it?is?made?from?cast?iron,?grinding?the?surface?of?the?guide?rail?is?bed,?bed?saddle?and?a?tailstock?astride?on?bed.? 床鞍支撑着中滑板、小滑板和方刀架，在手动或自动进给方式下，沿导轨移动。?Saddle?support?the?skateboarding?and?skateboard?and?party?in?the?tool?post,?in?manual?mode?and?automatic?feeder,?moving?along?the?guide?rail.?? 方刀架最多可以安装四把刀，每把刀通过六角螺钉锁紧。? The?tool?rest?can?be?installed?at?most?four?knife,?each?knife?through?hexagonal?screw?lock.?? 溜板箱和横向滑鞍组成了床鞍。? Slip?board?box?and?the?horizontal?sliding?saddle?of?the?saddle.?? 溜板箱连接在床鞍前方，它包含了控制床鞍的纵向进给和螺纹切削运动的机构，它控制了中滑板的横向进给运动。? Slip?board?box?connected?at?the?front?of?a?saddle,?it?contains?longitudinal?control?the?bed?saddle?thread?cutting?and?feed?movement?of?the?body,?which?control?the?skateboard?in?the?transverse?feed?movement.?? 中滑板由与导轨成直角方向移动的燕尾式滑板组成。? Skateboard?by?at?right?angles?to?the?guide?direction?of?dovetail?type?of?skateboarding.??小滑板安装在中滑板上面，通过螺栓与中滑板上的转盘连接。? Small?board?installed?in?the?slide?above,?through?the?bolt?connection?with?skateboard?in?the?rotary?table.?? 尾架铸件体跨骑在导轨上，沿床身长度方向移动，可以适应不同长度的工作。?Riding?on?the?guide?rail,?tailstock?casting?body?along?the?bed?length?direction,?can?adapt?to?different?length?of?the?work. 尾架的主要作用是支持死顶尖以支撑工件的一端使工件可以夹在两顶尖之间加工。? Tailstocks