數控銑床參數故障的分析與處理與維修改造中的問題
來源:昌昇自動化時間:2021-08-12
(一)、數控銑床參數故障的分析與處理
數shu控kong各ge係xi統tong正zheng常chang工gong作zuo不bu可ke或huo缺que各ge種zhong參can數shu,比bi如ru公gong製zhi和he英ying製zhi不bu需xu要yao換huan算suan隻zhi需xu在zai相xiang應ying的de參can數shu中zhong調tiao整zheng即ji可ke,機ji床chuang的de工gong作zuo速su度du等deng,這zhe些xie參can數shu影ying響xiang著zhe數shu控kong機ji床chuang的de工gong作zuo,缺que少shao任ren何he一yi個ge參can數shu或huo對dui於yu參can數shu進jin行xing錯cuo誤wu的de輸shu入ru,都dou會hui使shi數shu控kong機ji床chuang陷xian入ru癱tan瘓huan狀zhuang態tai。參can數shu故gu障zhang是shi數shu控kong銑xi床chuang常chang見jian故gu障zhang之zhi一yi,如ru果guo沒mei有you正zheng確que的de參can數shu備bei份fen,診zhen斷duan和he數控機床維修的難度較大。

1參數丟失的原因
數控係統後備電池失效;參數存儲器故障或元件老化;機床長期閑置不用,沒有定期對機床充電;受到外部幹擾,使參數丟失發生混亂;操作者誤操作。
2參數恢複的方法
當數控機床的參數發生改變和丟失時有兩種方法進行參數恢複。(1)根據故障現象和參數說明,找到排除故障的相應參數,進行正確的參數設置。由於數控機床涉及傳動、計算機、氣壓、液壓等很多參數,翻看數控機床參數頁,查找耗時費力,這種方法維修人員基本不用。(2)常用的使用方法是用計算機、NC卡、U盤pan等deng存cun儲chu介jie質zhi把ba數shu控kong機ji床chuang的de參can數shu備bei份fen到dao其qi中zhong,在zai需xu要yao的de時shi候hou對dui數shu控kong機ji床chuang進jin行xing參can數shu恢hui複fu。這zhe種zhong方fang法fa簡jian單dan易yi行xing,是shi進jin行xing參can數shu恢hui複fu的de主zhu要yao手shou段duan。(3)華中數控銑床的係統參數備份與恢複,無論是華中數控機床還是其他的數控機床,可以選擇機床備份、U盤備份、NC卡備份多種數據備份形式,數據的恢複基本一樣,在機床購置買回時正常使用的時候,就備份好參數,以備不時隻需。
對於華中數控機床來說先在係統功能軟件盤上找到擴展菜單一參數一輸入口令一輸入H1G回車(華中數控係統默認),進入參數菜單欄後,有備份選項。先要對原先的參數進行備份,按F7鍵。係統提示是否備份到當前參數路徑,根據需要,選擇相應的路徑,係統會自動給一個擴展名為BAP的文件,備份好後,隻要參數故障發生我們進入和各份相同的路徑,選用裝入參數,係統即可恢複。
(二)、維修改造中的問題
隨著社會的發展,數控機床被多的企業應用,提高了企業的加工生產效率,也為企業帶來多的經濟效益。
在(zai)數(shu)控(kong)設(she)備(bei)的(de)加(jia)工(gong)生(sheng)產(chan)中(zhong),隨(sui)著(zhe)應(ying)用(yong)的(de)時(shi)間(jian)和(he)頻(pin)次(ci)累(lei)加(jia),需(xu)要(yao)對(dui)該(gai)係(xi)統(tong)進(jin)行(xing)定(ding)期(qi)檢(jian)修(xiu),並(bing)且(qie)在(zai)檢(jian)查(zha)隱(yin)患(huan)和(he)故(gu)障(zhang)的(de)過(guo)程(cheng)中(zhong)要(yao)解(jie)決(jue)設(she)備(bei)問(wen)題(ti),從(cong)而(er)讓(rang)對(dui)應(ying)數(shu)控(kong)設(she)備(bei)可(ke)以(yi)好(hao)地(di)工(gong)作(zuo)。由(you)於(yu)數(shu)控(kong)機(ji)床(chuang)是(shi)由(you)許(xu)多(duo)個(ge)結(jie)構(gou)單(dan)元(yuan)組(zu)成(cheng),從(cong)經(jing)濟(ji)效(xiao)益(yi)角(jiao)度(du)來(lai)看(kan)維(wei)修(xiu)起(qi)來(lai)比(bi)較(jiao)困(kun)難(nan),並(bing)且(qie)購(gou)買(mai)的(de)設(she)備(bei)也(ye)不(bu)能(neng)夠(gou)滿(man)足(zu)當(dang)下(xia)市(shi)場(chang)的(de)需(xu)要(yao),重(zhong)新(xin)購(gou)買(mai)對(dui)於(yu)財(cai)力(li)和(he)物(wu)力(li)都(dou)是(shi)一(yi)種(zhong)浪(lang)費(fei)。所(suo)以(yi)可(ke)以(yi)用(yong)一(yi)個(ge)加(jia)的(de)辦(ban)法(fa)將(jiang)原(yuan)來(lai)的(de)設(she)備(bei)進(jin)行(xing)改(gai)造(zao)和(he)升(sheng)級(ji),下(xia)麵(mian)對(dui)於(yu)數(shu)控(kong)機(ji)床(chuang)大(da)修(xiu)改(gai)造(zao)中(zhong)的(de)問(wen)題(ti)及(ji)對(dui)策(ce)進(jin)行(xing)討(tao)論(lun)和(he)研(yan)究(jiu)。
1.數控機床的操作環境問題
一(yi)般(ban)情(qing)況(kuang)下(xia),企(qi)業(ye)需(xu)要(yao)在(zai)適(shi)合(he)於(yu)對(dui)應(ying)數(shu)控(kong)設(she)備(bei)的(de)環(huan)境(jing)下(xia)操(cao)作(zuo)和(he)使(shi)用(yong),比(bi)如(ru)機(ji)床(chuang)需(xu)要(yao)在(zai)恒(heng)定(ding)溫(wen)度(du)下(xia)才(cai)能(neng)保(bao)持(chi)穩(wen)定(ding)的(de)正(zheng)常(chang)工(gong)作(zuo)。如(ru)果(guo)環(huan)境(jing)溫(wen)度(du)過(guo)高(gao),隨(sui)著(zhe)使(shi)用(yong)時(shi)間(jian)的(de)增(zeng)長(chang)就(jiu)會(hui)導(dao)致(zhi)一(yi)些(xie)元(yuan)器(qi)件(jian)的(de)損(sun)傷(shang)或(huo)損(sun)壞(huai),從(cong)而(er)導(dao)致(zhi)機(ji)床(chuang)不(bu)能(neng)正(zheng)常(chang)工(gong)作(zuo);如ru果guo外wai部bu環huan境jing中zhong有you較jiao強qiang的de電dian磁ci幹gan擾rao,或huo外wai部bu環huan境jing有you大da的de振zhen動dong,也ye會hui使shi對dui內nei部bu零ling件jian及ji結jie構gou的de誤wu差cha影ying響xiang。而er由you於yu多duo方fang麵mian因yin素su,企qi業ye日ri常chang的de數shu控kong機ji床chuang使shi用yong和he放fang置zhi的de環huan境jing都dou是shi不bu能neng滿man足zu以yi上shang幾ji點dian的de。目mu前qian企qi業ye使shi用yong的de數shu控kong機ji床chuang的de體ti積ji都dou非fei常chang龐pang大da,設she備bei自zi身shen的de質zhi量liang也ye是shi非fei常chang高gao的de,如ru果guo設she備bei出chu現xian故gu障zhang問wen題ti,多duo數shu都dou是shi需xu要yao就jiu地di維wei修xiu。當dang環huan境jing中zhong灰hui塵chen較jiao大da或huo者zhe金jin屬shu粉fen塵chen較jiao多duo時shi,可ke能neng會hui導dao致zhi了le在zai維wei修xiu過guo程cheng中zhong金jin屬shu粉fen塵chen或huo灰hui塵chen進jin入ru設she備bei內nei部bu,而er內nei部bu多duo數shu是shi零ling部bu件jian,當dang有you雜za質zhi進jin入ru會hui有you很hen大da的de可ke能neng性xing導dao致zhi運yun行xing的de摩mo擦ca損sun失shi,從cong而er大da幅fu度du地di減jian少shao了le數shu控kong機ji床chuang的de使shi用yong壽shou命ming。數shu控kong機ji床chuang加jia工gong旋xuan轉zhuan的de零ling部bu件jian時shi,需xu要yao用yong冷leng卻que液ye噴pen射she到dao加jia工gong的de零ling件jian部bu位wei對dui其qi降jiang溫wen。但dan是shi有you些xie地di方fang的de數shu控kong機ji床chuang由you於yu一yi些xie原yuan因yin,對dui噴pen射she出chu的de冷leng卻que液ye沒mei有you加jia對dui應ying保bao護hu功gong能neng,促cu使shi了le冷leng卻que液ye的de不bu浪lang費fei,還hai可ke能neng使shi一yi些xie不bu因yin素su的de隱yin患huan。
2.數控機床維修困難問題
shukongjichuangshuyuzonghexingshebei,neibujiegoufuzhi,shideqiweixiunanduzengjia。duiyuweixiujishideyaoqiugao,weixiujishibujinxuyaoshenkedilejieshukongjichuangdexiangxigouzao,haixuyaoduijixiejiegou、電路、油路和氣路等有深刻的掌握。一個數控機床的故障產生可能有許多,可能是主軸有異響或振動、轉速超過額定值、驅動係統問題、機體過熱、機體不轉或達不到正常轉速、機床電源接通後CR7無灰度,無任何畫麵等。
以yi上shang這zhe些xie對dui於yu維wei修xiu師shi傅fu提ti出chu了le非fei常chang高gao的de要yao求qiu,不bu僅jin需xu要yao技ji術shu能neng力li很hen高gao的de維wei修xiu技ji術shu人ren員yuan,還hai需xu要yao符fu合he要yao求qiu的de檢jian查zha維wei修xiu的de工gong作zuo環huan境jing。維wei修xiu技ji師shi的de責ze任ren心xin也ye非fei常chang重zhong要yao,這zhe樣yang才cai能neng在zai各ge種zhong不bu同tong的de困kun難nan環huan境jing下xia把ba設she備bei檢jian修xiu好hao。不bu管guan是shi維wei修xiu機ji床chuang,還hai是shi改gai造zao機ji床chuang,符fu合he要yao求qiu的de環huan境jing至zhi關guan重zhong要yao。而er在zai實shi際ji的de加jia工gong生sheng產chan中zhong,多duo數shu的de維wei修xiu和he改gai造zao技ji術shu人ren員yuan沒mei有you在zai符fu合he要yao求qiu的de環huan境jing下xia操cao作zuo,或huo者zhe沒mei有you按an照zhao對dui應ying的de規gui程cheng操cao作zuo。
數控設備日常維護保養不當
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