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中走絲線切割機床由什么組成

2020-07-06 09:00:38

 中(zhong)走(zou)絲(si)(si)屬往(wang)(wang)復(fu)高速(su)(su)(su)走(zou)絲(si)(si)電(dian)火(huo)(huo)花線(xian)切(qie)割(ge)機(ji)床范疇,是在(zai)高速(su)(su)(su)往(wang)(wang)復(fu)走(zou)絲(si)(si)電(dian)火(huo)(huo)花線(xian)切(qie)割(ge)機(ji)上實(shi)(shi)現(xian)多次(ci)切(qie)割(ge)功能,被俗稱為“中(zhong)走(zou)絲(si)(si)線(xian)切(qie)割(ge)”。,所謂“中(zhong)走(zou)絲(si)(si)”并非指走(zou)絲(si)(si)速(su)(su)(su)度介于(yu)(yu)高速(su)(su)(su)與(yu)低(di)速(su)(su)(su)之(zhi)間,而(er)是復(fu)合走(zou)絲(si)(si)線(xian)切(qie)割(ge)機(ji)床,即走(zou)絲(si)(si)原理是在(zai)粗加工(gong)時(shi)采用高速(su)(su)(su)(8-12m/s)走(zou)絲(si)(si),精加工(gong)時(shi)采用低(di)速(su)(su)(su)(1-3m/s)走(zou)絲(si)(si),這樣工(gong)作相對(dui)平穩、抖(dou)動小,并通過(guo)多次(ci)切(qie)割(ge)減少材料變形及(ji)鉬絲(si)(si)損耗(hao)帶來的誤差,使(shi)加工(gong)質量(liang)也相對(dui)提高,加工(gong)質量(liang)可介于(yu)(yu)高速(su)(su)(su)走(zou)絲(si)(si)機(ji)與(yu)低(di)速(su)(su)(su)走(zou)絲(si)(si)機(ji)之(zhi)間。因而(er)可以說,用戶所說的“中(zhong)走(zou)絲(si)(si)”,實(shi)(shi)際上是往(wang)(wang)復(fu)走(zou)絲(si)(si)電(dian)火(huo)(huo)花線(xian)切(qie)割(ge)機(ji)借鑒了一些低(di)速(su)(su)(su)走(zou)絲(si)(si)機(ji)的加工(gong)工(gong)藝技術,并實(shi)(shi)現(xian)了無條紋切(qie)割(ge)和(he)多次(ci)切(qie)割(ge)。

  中走絲線切割機床由機械、電氣和(he)工作液系(xi)統(tong)三大部分(fen)組成。

  中走絲(si)(si)(si)(si)線切割機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)床的(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械部(bu)分(fen)是(shi)(shi)基礎(chu),其精(jing)度直接影響(xiang)到機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)床的(de)(de)工(gong)作(zuo)精(jing)度,也影響(xiang)到電(dian)(dian)氣性能的(de)(de)充分(fen)發揮。機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械系統由(you)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)床床身、坐(zuo)標(biao)工(gong)作(zuo)臺、運(yun)絲(si)(si)(si)(si)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構(gou)、線架機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構(gou)、錐度機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構(gou)、潤滑系統等(deng)組成(cheng)(cheng)。機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)床床身通(tong)常為箱式(shi)結(jie)構(gou),是(shi)(shi)提(ti)供(gong)各部(bu)件(jian)的(de)(de)安裝平(ping)臺,而且與(yu)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)床精(jing)度密切相關。坐(zuo)標(biao)工(gong)作(zuo)臺通(tong)常由(you)十字拖板、滾動(dong)(dong)(dong)(dong)(dong)(dong)導軌(gui)、絲(si)(si)(si)(si)桿(gan)運(yun)動(dong)(dong)(dong)(dong)(dong)(dong)副、齒輪傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構(gou)等(deng)部(bu)分(fen)組成(cheng)(cheng)。主要是(shi)(shi)與(yu)電(dian)(dian)極(ji)絲(si)(si)(si)(si)之間的(de)(de)相對運(yun)動(dong)(dong)(dong)(dong)(dong)(dong),來完成(cheng)(cheng)對工(gong)件(jian)的(de)(de)加工(gong)。運(yun)絲(si)(si)(si)(si)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構(gou)是(shi)(shi)由(you)儲(chu)絲(si)(si)(si)(si)筒、電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、齒輪副、傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構(gou)、換(huan)向裝置和絕緣件(jian)等(deng)部(bu)分(fen)組成(cheng)(cheng),電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)和儲(chu)絲(si)(si)(si)(si)筒連軸連接轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong),用(yong)來帶動(dong)(dong)(dong)(dong)(dong)(dong)電(dian)(dian)極(ji)絲(si)(si)(si)(si)按一定線速度移動(dong)(dong)(dong)(dong)(dong)(dong),并將電(dian)(dian)極(ji)絲(si)(si)(si)(si)整齊地(di)排(pai)繞在(zai)儲(chu)絲(si)(si)(si)(si)筒上(shang)(shang)。線架分(fen)單立柱懸臂(bei)(bei)式(shi)和雙立柱龍門(men)式(shi)。單立柱懸臂(bei)(bei)式(shi)分(fen)上(shang)(shang)下臂(bei)(bei),一般下臂(bei)(bei)是(shi)(shi)固定的(de)(de),上(shang)(shang)臂(bei)(bei)可(ke)升(sheng)降移動(dong)(dong)(dong)(dong)(dong)(dong),導輪安裝在(zai)線架上(shang)(shang),用(yong)來支(zhi)撐電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)絲(si)(si)(si)(si)。錐度機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構(gou)可(ke)分(fen)搖(yao)擺(bai)式(shi)和十字拖板式(shi)結(jie)構(gou),搖(yao)擺(bai)式(shi)是(shi)(shi)上(shang)(shang)下臂(bei)(bei)通(tong)過杠桿(gan)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)來完成(cheng)(cheng),一般用(yong)在(zai)大(da)錐度機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)。十字拖板型通(tong)過移動(dong)(dong)(dong)(dong)(dong)(dong)使(shi)電(dian)(dian)極(ji)絲(si)(si)(si)(si)伸縮來完成(cheng)(cheng),一般適用(yong)在(zai)小錐度機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)。潤滑系統用(yong)來緩解機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)件(jian)磨損(sun)、提(ti)高機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械效率(lv)、減(jian)輕(qing)功率(lv)損(sun)耗。可(ke)起到冷卻、緩蝕、吸振、減(jian)小噪音之作(zuo)用(yong)。

  中走絲線切割機床的工作液(ye)系(xi)統(tong)一般由工作液(ye)箱、工作液(ye)泵、進(jin)液(ye)管(guan)、回液(ye)管(guan)、流量控(kong)制閥、過濾網罩或過濾芯等組(zu)成。主要作用是集中放電(dian)(dian)(dian)能(neng)量、帶走放電(dian)(dian)(dian)熱量以冷卻(que)電(dian)(dian)(dian)極絲和工件、排除電(dian)(dian)(dian)蝕產(chan)物(wu)等。

  中走絲(si)線切(qie)割機(ji)床的(de)(de)電(dian)(dian)(dian)(dian)(dian)氣部分包括機(ji)床電(dian)(dian)(dian)(dian)(dian)路、脈(mo)沖電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)、驅動電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)和(he)(he)控(kong)制系統等組(zu)成。機(ji)床電(dian)(dian)(dian)(dian)(dian)路主要控(kong)制運(yun)(yun)絲(si)電(dian)(dian)(dian)(dian)(dian)動機(ji)和(he)(he)工(gong)作(zuo)(zuo)液泵的(de)(de)運(yun)(yun)行(xing),使電(dian)(dian)(dian)(dian)(dian)極絲(si)對(dui)工(gong)件能連(lian)續切(qie)割。脈(mo)沖電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)提供電(dian)(dian)(dian)(dian)(dian)極絲(si)與(yu)工(gong)件之間的(de)(de)火花放電(dian)(dian)(dian)(dian)(dian)能量,用(yong)以切(qie)割工(gong)件。驅動電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)也叫驅動電(dian)(dian)(dian)(dian)(dian)路,由脈(mo)沖分配器(qi)、功率放大(da)電(dian)(dian)(dian)(dian)(dian)路、電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)路、預放電(dian)(dian)(dian)(dian)(dian)路和(he)(he)其它控(kong)制電(dian)(dian)(dian)(dian)(dian)路組(zu)成。是提供電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)給步進電(dian)(dian)(dian)(dian)(dian)機(ji)供電(dian)(dian)(dian)(dian)(dian)的(de)(de)專用(yong)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan),用(yong)來實現(xian)對(dui)步進電(dian)(dian)(dian)(dian)(dian)機(ji)的(de)(de)控(kong)制。控(kong)制系統主要是控(kong)制工(gong)作(zuo)(zuo)臺拖板的(de)(de)運(yun)(yun)動(軌跡控(kong)制)和(he)(he)脈(mo)沖電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)的(de)(de)放電(dian)(dian)(dian)(dian)(dian)(加工(gong)控(kong)制)。

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