在(zai)cnc數(shu)(shu)控(kong)機(ji)(ji)床(chuang)加(jia)工(gong)(gong)行(xing)業中(zhong)(zhong)，每個廠家的(de)(de)(de)(de)(de)理(li)想目(mu)標(biao)(biao)是零(ling)(ling)廢(fei)品(pin)(pin)(pin)的(de)(de)(de)(de)(de)制造。但(dan)是在(zai)實(shi)現(xian)(xian)這(zhe)個目(mu)標(biao)(biao)的(de)(de)(de)(de)(de)過(guo)程(cheng)(cheng)中(zhong)(zhong)，精(jing)密測(ce)(ce)(ce)(ce)試(shi)(shi)技術的(de)(de)(de)(de)(de)作用和重要(yao)意義是非(fei)常重要(yao)的(de)(de)(de)(de)(de)，零(ling)(ling)部件(jian)的(de)(de)(de)(de)(de)加(jia)工(gong)(gong)質(zhi)量(liang)(liang)、整機(ji)(ji)的(de)(de)(de)(de)(de)裝配質(zhi)量(liang)(liang)都(dou)與(yu)加(jia)工(gong)(gong)設備(bei)(bei)、測(ce)(ce)(ce)(ce)試(shi)(shi)設備(bei)(bei)(非(fei)標(biao)(biao)零(ling)(ling)件(jian)加(jia)工(gong)(gong))以(yi)及測(ce)(ce)(ce)(ce)試(shi)(shi)信息的(de)(de)(de)(de)(de)分(fen)析處理(li)等(deng)(deng)有關，因此實(shi)現(xian)(xian)零(ling)(ling)廢(fei)品(pin)(pin)(pin)生產，以(yi)精(jing)密測(ce)(ce)(ce)(ce)試(shi)(shi)的(de)(de)(de)(de)(de)角度(du)出(chu)發，需(xu)要(yao)考(kao)慮(lv)一些(xie)問(wen)題。cnc數(shu)(shu)控(kong)機(ji)(ji)床(chuang)加(jia)工(gong)(gong)過(guo)程(cheng)(cheng)中(zhong)(zhong)對(dui)(dui)工(gong)(gong)件(jian)進(jin)行(xing)在(zai)線測(ce)(ce)(ce)(ce)量(liang)(liang)或對(dui)(dui)工(gong)(gong)件(jian)進(jin)行(xing)全部檢測(ce)(ce)(ce)(ce)，這(zhe)就需(xu)要(yao)研究適合動(dong)態(tai)(tai)或準動(dong)態(tai)(tai)的(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)試(shi)(shi)設備(bei)(bei)，甚(shen)至能(neng)集成到(dao)cnc數(shu)(shu)控(kong)機(ji)(ji)床(chuang)加(jia)工(gong)(gong)中(zhong)(zhong)的(de)(de)(de)(de)(de)特殊(shu)測(ce)(ce)(ce)(ce)試(shi)(shi)設備(bei)(bei)，做(zuo)(zuo)到(dao)實(shi)時測(ce)(ce)(ce)(ce)試(shi)(shi)。根(gen)據測(ce)(ce)(ce)(ce)試(shi)(shi)結果不(bu)斷修(xiu)改工(gong)(gong)藝的(de)(de)(de)(de)(de)參數(shu)(shu)，對(dui)(dui)cnc數(shu)(shu)控(kong)機(ji)(ji)床(chuang)加(jia)工(gong)(gong)等(deng)(deng)設備(bei)(bei)進(jin)行(xing)補充調(diao)整或反饋控(kong)制，從精(jing)度(du)理(li)論方面也相應要(yao)研究動(dong)態(tai)(tai)精(jing)度(du)理(li)論，包括動(dong)態(tai)(tai)精(jing)度(du)的(de)(de)(de)(de)(de)評定等(deng)(deng)等(deng)(deng)。研究如何充分(fen)利(li)用測(ce)(ce)(ce)(ce)量(liang)(liang)信息來實(shi)現(xian)(xian)零(ling)(ling)廢(fei)品(pin)(pin)(pin)的(de)(de)(de)(de)(de)生產，通過(guo)在(zai)線測(ce)(ce)(ce)(ce)量(liang)(liang)數(shu)(shu)據的(de)(de)(de)(de)(de)充分(fen)利(li)用，從中(zhong)(zhong)分(fen)析加(jia)工(gong)(gong)和測(ce)(ce)(ce)(ce)量(liang)(liang)過(guo)程(cheng)(cheng)中(zhong)(zhong)誤(wu)差分(fen)布(bu)的(de)(de)(de)(de)(de)動(dong)態(tai)(tai)特性(xing)，同時根(gen)據加(jia)工(gong)(gong)誤(wu)差的(de)(de)(de)(de)(de)動(dong)態(tai)(tai)特性(xing)和傳感(gan)器精(jing)度(du)的(de)(de)(de)(de)(de)精(jing)度(du)損失特性(xing)，以(yi)及產品(pin)(pin)(pin)質(zhi)量(liang)(liang)要(yao)求(qiu)和公差規定，給出(chu)零(ling)(ling)廢(fei)品(pin)(pin)(pin)制造的(de)(de)(de)(de)(de)基本(ben)理(li)論模型做(zuo)(zuo)到(dao)質(zhi)量(liang)(liang)超前控(kong)制。

cnc數(shu)控(kong)機(ji)床(chuang)(chuang)(chuang)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)(jian)通(tong)(tong)過(guo)(guo)系統(tong)化的(de)處理(li)(li)(li)使(shi)工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)(jian)成型，因(yin)工(gong)(gong)(gong)(gong)(gong)具(ju)(ju)系統(tong)和(he)刀(dao)(dao)(dao)具(ju)(ju)管理(li)(li)(li)是發揮cnc數(shu)控(kong)機(ji)床(chuang)(chuang)(chuang)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)效率、保(bao)(bao)證加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)質量的(de)基礎，所以cnc數(shu)控(kong)機(ji)床(chuang)(chuang)(chuang)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)中的(de)常見故障和(he)解(jie)決方(fang)法與(yu)刀(dao)(dao)(dao)具(ju)(ju)有著直接的(de)關系。下(xia)(xia)面(mian)(mian)我(wo)們就幾(ji)個(ge)常見問題做以下(xia)(xia)分(fen)析(xi)：　　1、工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)(jian)尺(chi)寸(cun)準確，表面(mian)(mian)光潔度(du)差　　故障原(yuan)因(yin)：刀(dao)(dao)(dao)具(ju)(ju)刀(dao)(dao)(dao)尖受損(sun)，不(bu)(bu)鋒利；車(che)床(chuang)(chuang)(chuang)產(chan)生(sheng)共振，放置不(bu)(bu)平(ping)穩(wen)(wen)；車(che)床(chuang)(chuang)(chuang)有爬行現(xian)(xian)象等(deng)(deng)(deng)。　　解(jie)決方(fang)案(an)：重新磨(mo)刀(dao)(dao)(dao)或選擇(ze)更好(hao)的(de)刀(dao)(dao)(dao)具(ju)(ju)重新對刀(dao)(dao)(dao);車(che)床(chuang)(chuang)(chuang)產(chan)生(sheng)共振或放置不(bu)(bu)平(ping)穩(wen)(wen)，調(diao)整(zheng)水平(ping)，打下(xia)(xia)基礎，固定平(ping)穩(wen)(wen);機(ji)械(xie)產(chan)生(sheng)爬行的(de)原(yuan)因(yin)為拖板(ban)導軌(gui)磨(mo)損(sun)厲害，絲(si)杠滾珠磨(mo)損(sun)或松(song)動(dong)，車(che)床(chuang)(chuang)(chuang)應注意保(bao)(bao)養，上下(xia)(xia)班(ban)之后(hou)應清掃鐵絲(si)，并及時(shi)加(jia)(jia)潤滑油，以減(jian)少摩(mo)擦;選擇(ze)適合工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)(jian)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)的(de)冷(leng)卻(que)液，在能達到其他(ta)工(gong)(gong)(gong)(gong)(gong)序(xu)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)要(yao)求(qiu)的(de)情(qing)況下(xia)(xia)，盡量選用較高的(de)主軸(zhou)轉(zhuan)速(su)。　　2、工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)(jian)尺(chi)寸(cun)與(yu)實際(ji)尺(chi)寸(cun)相差幾(ji)毫米，或某(mou)一軸(zhou)向有很大(da)變化　　故障原(yuan)因(yin)：快速(su)定位的(de)速(su)度(du)太(tai)快，驅(qu)動(dong)和(he)電(dian)機(ji)反(fan)應不(bu)(bu)過(guo)(guo)來；在長期摩(mo)擦損(sun)耗后(hou)機(ji)械(xie)的(de)拖板(ban)絲(si)桿(gan)和(he)軸(zhou)承過(guo)(guo)緊卡死；刀(dao)(dao)(dao)架(jia)換(huan)刀(dao)(dao)(dao)后(hou)太(tai)松(song)，鎖不(bu)(bu)緊;　　解(jie)決方(fang)案(an)：適當調(diao)整(zheng)速(su)度(du)，切削加(jia)(jia)減(jian)速(su)度(du)和(he)時(shi)間使(shi)驅(qu)動(dong)器和(he)電(dian)機(ji)在額定的(de)運行頻率下(xia)(xia)正(zheng)常工(gong)(gong)(gong)(gong)(gong)作;在出(chu)(chu)現(xian)(xian)車(che)床(chuang)(chuang)(chuang)磨(mo)損(sun)后(hou)產(chan)生(sheng)拖板(ban)、絲(si)桿(gan)鶴軸(zhou)承過(guo)(guo)緊卡死，則(ze)須重新調(diao)整(zheng)修(xiu)復;刀(dao)(dao)(dao)架(jia)換(huan)刀(dao)(dao)(dao)后(hou)太(tai)松(song)則(ze)檢查刀(dao)(dao)(dao)架(jia)反(fan)轉(zhuan)時(shi)間是否(fou)滿足(zu)，檢查刀(dao)(dao)(dao)架(jia)內部的(de)渦輪蝸桿(gan)是否(fou)磨(mo)損(sun)，間隙是否(fou)太(tai)大(da)，安裝是否(fou)過(guo)(guo)松(song)等(deng)(deng)(deng);如(ru)果是程(cheng)序(xu)原(yuan)因(yin)造成的(de)，則(ze)須修(xiu)改程(cheng)序(xu)，按照工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)(jian)圖(tu)紙要(yao)求(qiu)改進，選擇(ze)合理(li)(li)(li)的(de)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)藝，按照說(shuo)明書的(de)指令要(yao)求(qiu)編寫正(zheng)確的(de)程(cheng)序(xu);若發現(xian)(xian)尺(chi)寸(cun)偏差太(tai)大(da)則(ze)檢查系統(tong)參數(shu)是否(fou)設置合理(li)(li)(li)，特別是電(dian)子齒輪和(he)步距角等(deng)(deng)(deng)參數(shu)是否(fou)被破壞，出(chu)(chu)現(xian)(xian)此現(xian)(xian)象可通(tong)(tong)過(guo)(guo)打百分(fen)表來測量。

通(tong)常(chang)cnc數(shu)控機(ji)床(chuang)在(zai)(zai)(zai)停車(che)(che)時(shi)發(fa)(fa)出巨大(da)(da)響聲，同(tong)時(shi)車(che)(che)間(jian)(jian)總(zong)電(dian)(dian)(dian)(dian)源跳閘(zha)(zha)(zha)。首先(xian)檢查車(che)(che)間(jian)(jian)電(dian)(dian)(dian)(dian)工對供電(dian)(dian)(dian)(dian)系(xi)統(tong)進行檢查，跳閘(zha)(zha)(zha)的(de)(de)(de)自(zi)(zi)動(dong)空氣(qi)斷(duan)(duan)路器(qi)所在(zai)(zai)(zai)處(chu)，因(yin)環境潮濕開關(guan)盒內(nei)自(zi)(zi)動(dong)跳閘(zha)(zha)(zha)的(de)(de)(de)連桿機(ji)構(gou)已腐(fu)蝕，另(ling)外三相(xiang)(xiang)(xiang)觸(chu)(chu)(chu)點中有(you)(you)一(yi)(yi)相(xiang)(xiang)(xiang)觸(chu)(chu)(chu)點只(zhi)有(you)(you)一(yi)(yi)小部分(fen)能(neng)(neng)接觸(chu)(chu)(chu)。其次車(che)(che)間(jian)(jian)供電(dian)(dian)(dian)(dian)變(bian)壓(ya)(ya)器(qi)容量小，超(chao)負(fu)荷運(yun)行。其正(zheng)(zheng)常(chang)的(de)(de)(de)相(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)壓(ya)(ya)只(zhi)有(you)(you)340V。cnc數(shu)控機(ji)床(chuang)一(yi)(yi)只(zhi)晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)已被(bei)燒壞(huai)，查看驅動(dong)電(dian)(dian)(dian)(dian)路，觸(chu)(chu)(chu)發(fa)(fa)脈(mo)(mo)沖(chong)短小，只(zhi)有(you)(you)正(zheng)(zheng)常(chang)觸(chu)(chu)(chu)發(fa)(fa)脈(mo)(mo)沖(chong)幅(fu)值的(de)(de)(de)四(si)分(fen)之(zhi)一(yi)(yi)，進一(yi)(yi)步查實(shi)為觸(chu)(chu)(chu)發(fa)(fa)電(dian)(dian)(dian)(dian)路中的(de)(de)(de)放大(da)(da)管(guan)性(xing)能(neng)(neng)不(bu)(bu)好所致。故(gu)障分(fen)析：晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)在(zai)(zai)(zai)整流(liu)狀(zhuang)態下(xia)(xia)(xia)缺相(xiang)(xiang)(xiang)和在(zai)(zai)(zai)逆變(bian)狀(zhuang)態下(xia)(xia)(xia)缺相(xiang)(xiang)(xiang)結果(guo)(guo)是(shi)不(bu)(bu)同(tong)的(de)(de)(de)。在(zai)(zai)(zai)整流(liu)狀(zhuang)態下(xia)(xia)(xia)總(zong)是(shi)觸(chu)(chu)(chu)發(fa)(fa)電(dian)(dian)(dian)(dian)位(wei)(wei)較高的(de)(de)(de)晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)，同(tong)時(shi)使(shi)前(qian)一(yi)(yi)相(xiang)(xiang)(xiang)晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)承(cheng)(cheng)受反(fan)(fan)相(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)壓(ya)(ya)而關(guan)斷(duan)(duan)。在(zai)(zai)(zai)晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)的(de)(de)(de)關(guan)斷(duan)(duan)期間(jian)(jian)以反(fan)(fan)相(xiang)(xiang)(xiang)阻斷(duan)(duan)狀(zhuang)態為主。即(ji)使(shi)后一(yi)(yi)個(ge)晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)不(bu)(bu)觸(chu)(chu)(chu)發(fa)(fa)，而晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)到(dao)一(yi)(yi)定時(shi)刻也會(hui)因(yin)過零(ling)而自(zi)(zi)動(dong)關(guan)斷(duan)(duan)。但(dan)如果(guo)(guo)是(shi)在(zai)(zai)(zai)停車(che)(che)降速時(shi)，即(ji)在(zai)(zai)(zai)逆變(bian)的(de)(de)(de)情況(kuang)下(xia)(xia)(xia)，同(tong)樣(yang)也是(shi)觸(chu)(chu)(chu)發(fa)(fa)電(dian)(dian)(dian)(dian)位(wei)(wei)較高的(de)(de)(de)晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)導通(tong)，并使(shi)前(qian)一(yi)(yi)個(ge)晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)承(cheng)(cheng)受反(fan)(fan)壓(ya)(ya)而關(guan)斷(duan)(duan)，這時(shi)的(de)(de)(de)晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)在(zai)(zai)(zai)關(guan)斷(duan)(duan)時(shi)有(you)(you)很長一(yi)(yi)段時(shi)間(jian)(jian)處(chu)于正(zheng)(zheng)向阻斷(duan)(duan)狀(zhuang)態。這樣(yang)，若后一(yi)(yi)個(ge)晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)不(bu)(bu)導通(tong)，由于電(dian)(dian)(dian)(dian)感的(de)(de)(de)放電(dian)(dian)(dian)(dian)作用，使(shi)該晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)再延續導通(tong)一(yi)(yi)個(ge)周期而進入正(zheng)(zheng)半周，晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)將(jiang)繼(ji)續導通(tong)下(xia)(xia)(xia)去，同(tong)時(shi)阻礙(ai)后面的(de)(de)(de)晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)導通(tong)。于是(shi)，晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)輸(shu)出的(de)(de)(de)正(zheng)(zheng)向電(dian)(dian)(dian)(dian)壓(ya)(ya)與電(dian)(dian)(dian)(dian)動(dong)機(ji)電(dian)(dian)(dian)(dian)勢迭加(jia)產(chan)生(sheng)很大(da)(da)的(de)(de)(de)電(dian)(dian)(dian)(dian)流(liu)，這時(shi)即(ji)產(chan)生(sheng)逆變(bian)顛覆，輕(qing)則燒壞(huai)保險絲(si)，重則燒壞(huai)晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)。如果(guo)(guo)cnc數(shu)控機(ji)床(chuang)車(che)(che)間(jian)(jian)的(de)(de)(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)供電(dian)(dian)(dian)(dian)系(xi)統(tong)正(zheng)(zheng)常(chang)，沒(mei)有(you)(you)大(da)(da)的(de)(de)(de)波(bo)動(dong)，也許不(bu)(bu)會(hui)燒壞(huai)晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)。交(jiao)流(liu)電(dian)(dian)(dian)(dian)網電(dian)(dian)(dian)(dian)壓(ya)(ya)波(bo)動(dong)大(da)(da)，車(che)(che)間(jian)(jian)變(bian)壓(ya)(ya)器(qi)容量小，超(chao)負(fu)荷運(yun)行，再加(jia)之(zhi)B相(xiang)(xiang)(xiang)正(zheng)(zheng)組(zu)觸(chu)(chu)(chu)發(fa)(fa)脈(mo)(mo)沖(chong)幅(fu)值小，及車(che)(che)間(jian)(jian)供電(dian)(dian)(dian)(dian)系(xi)統(tong)的(de)(de)(de)總(zong)開關(guan)盒的(de)(de)(de)損壞(huai)等(deng)綜合原(yuan)因(yin)造成了故(gu)障的(de)(de)(de)發(fa)(fa)生(sheng)。　　處(chu)理方(fang)法(fa)：　　1.更換(huan)自(zi)(zi)動(dong)空氣(qi)斷(duan)(duan)路器(qi)；　　2.更換(huan)新(xin)的(de)(de)(de)晶(jing)(jing)(jing)閘(zha)(zha)(zha)管(guan)。

免責聲明

? 本文僅代表作者個人觀點，本站未對其內容進行核實，請讀者僅做參考，如若文中涉及有違公德、觸犯法律的內容，一經發現，立即刪除，作者需自行承擔相應責任。涉及到版權或其他問題，請及時聯系我們 tousu@50835.cn