中走(zou)絲(si)(si)(si)線(xian)切(qie)(qie)割(ge)(ge)(ge)半閉(bi)環伺服(fu)(fu)系(xi)統(tong)的(de)(de)(de)(de)工(gong)(gong)作(zuo)原理(li)和(he)(he)閉(bi)環伺服(fu)(fu)系(xi)統(tong)相似，只(zhi)是(shi)(shi)(shi)(shi)位(wei)置(zhi)(zhi)檢測器(qi)不(bu)(bu)是(shi)(shi)(shi)(shi)安(an)裝(zhuang)在(zai)工(gong)(gong)作(zuo)臺(tai)上(shang)，而(er)是(shi)(shi)(shi)(shi)安(an)裝(zhuang)在(zai)伺服(fu)(fu)電(dian)動機(ji)的(de)(de)(de)(de)軸上(shang)。這種伺服(fu)(fu)系(xi)統(tong)達到的(de)(de)(de)(de)精(jing)(jing)度(du)(du)、速(su)(su)度(du)(du)和(he)(he)動太特(te)性優于開環伺服(fu)(fu)系(xi)統(tong)，其(qi)復雜(za)性和(he)(he)成本低于閉(bi)環伺系(xi)統(tong)，主(zhu)要用(yong)(yong)于大多(duo)數(shu)(shu)(shu)中小型數(shu)(shu)(shu)控機(ji)床。中走(zou)絲(si)(si)(si)線(xian)切(qie)(qie)割(ge)(ge)(ge)機(ji)床多(duo)次(ci)切(qie)(qie)割(ge)(ge)(ge)工(gong)(gong)藝參(can)數(shu)(shu)(shu)設置(zhi)(zhi)技術說明第(di)1次(ci)切(qie)(qie)割(ge)(ge)(ge)任務(wu)是(shi)(shi)(shi)(shi)高(gao)速(su)(su)穩定切(qie)(qie)割(ge)(ge)(ge)⑴脈(mo)沖參(can)數(shu)(shu)(shu)：選用(yong)(yong)高(gao)峰值電(dian)流(liu)，較長脈(mo)寬的(de)(de)(de)(de)規準進行(xing)大電(dian)流(liu)切(qie)(qie)割(ge)(ge)(ge)，以獲(huo)得較高(gao)的(de)(de)(de)(de)切(qie)(qie)割(ge)(ge)(ge)速(su)(su)度(du)(du)。⑵電(dian)極(ji)絲(si)(si)(si)中心軌跡的(de)(de)(de)(de)補償量(liang)小。第(di)2次(ci)切(qie)(qie)割(ge)(ge)(ge)的(de)(de)(de)(de)任務(wu)是(shi)(shi)(shi)(shi)精(jing)(jing)修(xiu)(xiu)，保證加(jia)(jia)(jia)工(gong)(gong)尺寸(cun)精(jing)(jing)度(du)(du)。⑴脈(mo)沖參(can)數(shu)(shu)(shu)：選用(yong)(yong)中等規準，使第(di)2次(ci)切(qie)(qie)割(ge)(ge)(ge)后的(de)(de)(de)(de)粗(cu)糙(cao)度(du)(du)Ra在(zai)1.4～1.7μm之間。⑵補償量(liang)f：由于第(di)2次(ci)切(qie)(qie)割(ge)(ge)(ge)是(shi)(shi)(shi)(shi)精(jing)(jing)修(xiu)(xiu)，此時放電(dian)間隙(xi)較小，δ不(bu)(bu)到0.01mm，而(er)第(di)3次(ci)切(qie)(qie)割(ge)(ge)(ge)所需的(de)(de)(de)(de)加(jia)(jia)(jia)工(gong)(gong)質量(liang)甚微(wei)，只(zhi)有幾微(wei)米，二者加(jia)(jia)(jia)起(qi)來約為0.01mm。所以，第(di)2次(ci)切(qie)(qie)割(ge)(ge)(ge)的(de)(de)(de)(de)補償量(liang)f約為1/2d+0.01mm即可。⑶走(zou)絲(si)(si)(si)方式：第(di)3次(ci)切(qie)(qie)割(ge)(ge)(ge)的(de)(de)(de)(de)任務(wu)是(shi)(shi)(shi)(shi)拋磨修(xiu)(xiu)光(guang)。⑴脈(mo)沖參(can)數(shu)(shu)(shu)：用(yong)(yong)小脈(mo)寬進行(xing)修(xiu)(xiu)光(guang)，而(er)峰值電(dian)流(liu)隨(sui)加(jia)(jia)(jia)工(gong)(gong)表面質量(liang)要求而(er)異。⑵補償量(liang)f：理(li)論(lun)上(shang)是(shi)(shi)(shi)(shi)電(dian)極(ji)絲(si)(si)(si)的(de)(de)(de)(de)半徑(jing)加(jia)(jia)(jia)上(shang)0.003mm的(de)(de)(de)(de)放電(dian)間隙(xi)，所以，用(yong)(yong)電(dian)極(ji)的(de)(de)(de)(de)半徑(jing)作(zuo)補償量(liang)也能(neng)獲(huo)得理(li)想效果。⑶走(zou)絲(si)(si)(si)方式：像(xiang)第(di)2次(ci)切(qie)(qie)割(ge)(ge)(ge)那(nei)樣采用(yong)(yong)低速(su)(su)走(zou)絲(si)(si)(si)限速(su)(su)進給。中走(zou)絲(si)(si)(si)線(xian)切(qie)(qie)割(ge)(ge)(ge)連續不(bu)(bu)斷的(de)(de)(de)(de)脈(mo)沖放電(dian)就切(qie)(qie)出了所需形狀和(he)(he)尺寸(cun)的(de)(de)(de)(de)工(gong)(gong)件。淮(huai)安(an)高(gao)精(jing)(jing)度(du)(du)中走(zou)絲(si)(si)(si)線(xian)切(qie)(qie)割(ge)(ge)(ge)

中(zhong)(zhong)走(zou)絲線(xian)(xian)(xian)切(qie)割(ge)機(ji)床(chuang)脈沖電(dian)(dian)源波形失常是常見的(de)問(wen)(wen)題，使加(jia)工不(bu)能穩定(ding)進行。要(yao)實現穩定(ding)的(de)放電(dian)(dian)加(jia)工，必須要(yao)求(qiu)機(ji)床(chuang)的(de)脈沖電(dian)(dian)源能輸出一系列良性的(de)脈沖，工作穩定(ding)可靠(kao)，不(bu)受外(wai)界干擾。機(ji)床(chuang)的(de)伺服(fu)(fu)進給系統(tong)應具(ju)有(you)高(gao)度(du)(du)的(de)靈敏性，能夠準(zhun)確對放電(dian)(dian)狀態中(zhong)(zhong)火花間隙進行檢測，自動對異常放電(dian)(dian)作出調節，調整、滯后(hou)盡(jin)量要(yao)小，抗干擾能力強。由于中(zhong)(zhong)走(zou)絲機(ji)床(chuang)性能異常方面的(de)問(wen)(wen)題比較復雜(za)，使用(yong)人(ren)員在(zai)經過確認是機(ji)床(chuang)問(wen)(wen)題后(hou)，應及時(shi)與機(ji)床(chuang)維(wei)修(xiu)服(fu)(fu)務部聯系，請專業人(ren)員維(wei)修(xiu)，排除故(gu)障。淮安高(gao)精度(du)(du)中(zhong)(zhong)走(zou)絲線(xian)(xian)(xian)切(qie)割(ge)中(zhong)(zhong)走(zou)絲線(xian)(xian)(xian)切(qie)割(ge)機(ji)床(chuang)工藝參數的(de)選取應根(gen)據具(ju)體的(de)零(ling)件(jian)選擇(ze)，如零(ling)件(jian)的(de)材質、厚度(du)(du)、精度(du)(du)要(yao)求(qiu)等進行選取。

中(zhong)走絲線切(qie)割(ge)(ge)多(duo)次(ci)切(qie)割(ge)(ge)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)余留部位(wei)(wei)的(de)(de)(de)處(chu)理。在(zai)調查中(zhong)，得出隨著世(shi)界范(fan)圍內模(mo)(mo)具工(gong)(gong)(gong)(gong)(gong)業新技(ji)(ji)術(shu)、新材料(liao)和(he)新工(gong)(gong)(gong)(gong)(gong)藝(yi)的(de)(de)(de)發展，為了增強(qiang)模(mo)(mo)具的(de)(de)(de)耐磨性，人們寬泛(fan)使用(yong)各(ge)種強(qiang)度(du)(du)(du)(du)比(bi)較高(gao)的(de)(de)(de)、高(gao)硬度(du)(du)(du)(du)和(he)高(gao)韌性的(de)(de)(de)模(mo)(mo)具材料(liao)，這對提高(gao)模(mo)(mo)具的(de)(de)(de)使用(yong)壽命(ming)極為有(you)利(li)，但它給電火(huo)花線切(qie)割(ge)(ge)工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)余留部位(wei)(wei)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)后所帶來的(de)(de)(de)技(ji)(ji)術(shu)處(chu)理造成(cheng)不便。來處(chu)理工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)余留部位(wei)(wei)的(de)(de)(de)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)問題，這樣(yang)才能保證工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)余留部位(wei)(wei)的(de)(de)(de)表面(mian)(mian)質量和(he)表面(mian)(mian)精(jing)(jing)度(du)(du)(du)(du)。特別(bie)是在(zai)塑料(liao)模(mo)(mo)、精(jing)(jing)密多(duo)工(gong)(gong)(gong)(gong)(gong)位(wei)(wei)級進(jin)模(mo)(mo)的(de)(de)(de)生產(chan)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)過程中(zhong)，能保證得到良好(hao)的(de)(de)(de)尺寸精(jing)(jing)度(du)(du)(du)(du)，直(zhi)接影(ying)響模(mo)(mo)具的(de)(de)(de)裝配(pei)精(jing)(jing)度(du)(du)(du)(du)、零件(jian)(jian)的(de)(de)(de)精(jing)(jing)度(du)(du)(du)(du)以及模(mo)(mo)具的(de)(de)(de)使用(yong)壽命(ming)等。由于(yu)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)精(jing)(jing)度(du)(du)(du)(du)要求高(gao)，因(yin)此在(zai)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)過程中(zhong)若有(you)一點疏忽，就會造成(cheng)工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)報廢，同時也會給模(mo)(mo)具的(de)(de)(de)制造成(cheng)本和(he)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)周期(qi)帶來負面(mian)(mian)影(ying)響。對于(yu)高(gao)硬度(du)(du)(du)(du)、高(gao)精(jing)(jing)度(du)(du)(du)(du)和(he)高(gao)復雜度(du)(du)(du)(du)、且加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)表面(mian)(mian)為非平面(mian)(mian)的(de)(de)(de)小工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)來說，采用(yong)多(duo)次(ci)切(qie)割(ge)(ge)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)的(de)(de)(de)方法(fa)處(chu)理工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)余留部位(wei)(wei)的(de)(de)(de)切(qie)割(ge)(ge)任務顯得更為重要。

電(dian)(dian)(dian)參(can)數(shu)調節不(bu)正(zheng)確對(dui)放(fang)電(dian)(dian)(dian)穩(wen)定(ding)(ding)產生(sheng)不(bu)良影響(xiang)。電(dian)(dian)(dian)參(can)數(shu)使(shi)(shi)用(yong)不(bu)正(zheng)確是(shi)產生(sheng)放(fang)電(dian)(dian)(dian)不(bu)穩(wen)定(ding)(ding)現象的(de)(de)主要(yao)(yao)原因。電(dian)(dian)(dian)規準主要(yao)(yao)由電(dian)(dian)(dian)流(liu)、脈沖(chong)(chong)寬度、脈沖(chong)(chong)間(jian)隙三大(da)電(dian)(dian)(dian)參(can)數(shu)組成。使(shi)(shi)用(yong)過大(da)的(de)(de)電(dian)(dian)(dian)流(liu)，過大(da)的(de)(de)脈沖(chong)(chong)寬度，過小的(de)(de)脈沖(chong)(chong)間(jian)隙是(shi)電(dian)(dian)(dian)參(can)數(shu)調節不(bu)合理產生(sheng)放(fang)電(dian)(dian)(dian)不(bu)穩(wen)定(ding)(ding)現象的(de)(de)主要(yao)(yao)原因。三者應(ying)根據加工(gong)(gong)(gong)中(zhong)的(de)(de)穩(wen)定(ding)(ding)性和加工(gong)(gong)(gong)的(de)(de)工(gong)(gong)(gong)藝指標要(yao)(yao)求來(lai)(lai)具體設定(ding)(ding)選(xuan)擇(ze)。在放(fang)電(dian)(dian)(dian)不(bu)穩(wen)定(ding)(ding)的(de)(de)情(qing)況下，首(shou)先考(kao)慮增大(da)脈沖(chong)(chong)間(jian)隙，可以使(shi)(shi)加工(gong)(gong)(gong)保證消(xiao)電(dian)(dian)(dian)離，改善排屑狀況，對(dui)工(gong)(gong)(gong)藝指標影響(xiang)也不(bu)大(da)。其次考(kao)慮減小脈沖(chong)(chong)寬度，過大(da)的(de)(de)脈沖(chong)(chong)寬度使(shi)(shi)加工(gong)(gong)(gong)中(zhong)短(duan)時(shi)內(nei)放(fang)電(dian)(dian)(dian)次數(shu)過多，加工(gong)(gong)(gong)中(zhong)來(lai)(lai)不(bu)及消(xiao)電(dian)(dian)(dian)離，易(yi)產生(sheng)燒(shao)弧。中(zhong)走(zou)絲線切割(ge)機臺(tai)防塵網要(yao)(yao)經常清(qing)潔。

中(zhong)走絲(si)線(xian)切割的放電(dian)(dian)狀態是(shi)好是(shi)壞,如何(he)判斷：1、打開電(dian)(dian)路(lu)(lu)（沒(mei)有(you)(you)(you)負載脈沖）中(zhong)走絲(si)線(xian)切割電(dian)(dian)火花放電(dian)(dian)間隙(xi)沒(mei)有(you)(you)(you)擊穿，有(you)(you)(you)的差(cha)(cha)(cha)距大于(yu)電(dian)(dian)壓(ya)高于(yu)50V，但差(cha)(cha)(cha)距不是(shi)當前狀態和(he)空載狀態(TD=TI)。2、短(duan)(duan)路(lu)(lu)（短(duan)(duan)脈沖）差(cha)(cha)(cha)距直接短(duan)(duan)路(lu)(lu)，這是(shi)由于(yu)瞬時飼料的伺(si)服進(jin)給系(xi)統(tong)或電(dian)(dian)偶(ou)腐蝕的金屬在放電(dian)(dian)間隙(xi)的大腿上。短(duan)(duan)路(lu)(lu)電(dian)(dian)流增大的差(cha)(cha)(cha)距，但差(cha)(cha)(cha)距電(dian)(dian)壓(ya)變得較(jiao)小(xiao)，沒(mei)有(you)(you)(you)去除過程。機(ji)床放電(dian)(dian)間隙(xi)中(zhong)直接短(duan)(duan)路(lu)(lu)接連，由于(yu)進(jin)行系(xi)統(tong)一(yi)下進(jin)給太多或放電(dian)(dian)間隙(xi)有(you)(you)(you)廢(fei)料導致短(duan)(duan)路(lu)(lu)，短(duan)(duan)路(lu)(lu)后(hou)電(dian)(dian)流比較(jiao)大，但是(shi)電(dian)(dian)極(ji)電(dian)(dian)壓(ya)小(xiao)，沒(mei)有(you)(you)(you)切割作用(yong)。中(zhong)走絲(si)線(xian)切割日常(chang)保養(yang)：橫(heng)向進(jin)給齒(chi)輪箱和(he)縱向給進(jin)齒(chi)輪箱，每班(ban)應加30號(hao)機(ji)油一(yi)次。宿遷國產(chan)中(zhong)走絲(si)線(xian)切割機(ji)床

中走絲線(xian)切割(ge)的切割(ge)液(ye)很臟時(shi)，要(yao)全部(bu)換掉切割(ge)液(ye)，并清洗工切割(ge)液(ye)箱。淮安高(gao)精(jing)度中走絲線(xian)切割(ge)

提高(gao)中(zhong)(zhong)走絲(si)(si)線(xian)(xian)切(qie)割(ge)機床(chuang)效(xiao)率的(de)(de)方(fang)法有(you)(you)哪些？1、中(zhong)(zhong)走絲(si)(si)線(xian)(xian)切(qie)割(ge)機床(chuang)保持工(gong)作(zuo)液的(de)(de)介電系數和絕緣強(qiang)度(du)，維持較高(gao)的(de)(de)火花清洗能力(li)，使蝕(shi)除(chu)物對脈沖(chong)的(de)(de)短(duan)路(lu)作(zuo)用(yong)減到小，使用(yong)有(you)(you)名品牌的(de)(de)皂化(hua)油。2、中(zhong)(zhong)走絲(si)(si)線(xian)(xian)切(qie)割(ge)機床(chuang)利(li)用(yong)變頻器(qi)改(gai)造機床(chuang)電器(qi)，變頻器(qi)能適(shi)當(dang)地(di)提高(gao)絲(si)(si)速，減少走絲(si)(si)電機的(de)(de)換向(xiang)(xiang)時(shi)(shi)間，啟動更(geng)(geng)快能增加(jia)有(you)(you)效(xiao)的(de)(de)加(jia)工(gong)時(shi)(shi)間。使絲(si)(si)向(xiang)(xiang)縫隙(xi)內帶入的(de)(de)水(shui)速加(jia)快，水(shui)量增加(jia)，蝕(shi)除(chu)物更(geng)(geng)有(you)(you)效(xiao)地(di)排(pai)出。3、中(zhong)(zhong)走絲(si)(si)線(xian)(xian)切(qie)割(ge)機床(chuang)改(gai)善變頻跟蹤靈敏度(du)，增加(jia)脈沖(chong)利(li)用(yong)率。淮安(an)高(gao)精(jing)度(du)中(zhong)(zhong)走絲(si)(si)線(xian)(xian)切(qie)割(ge)

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