http://www.kadhoai.com.cn 2026-05-02 08:34:12 來源:網絡
編者語:經jing過guo二er十shi多duo年nian的de改gai革ge開kai放fang,在zai國guo內nei汽qi車che零ling部bu件jian製zhi造zao領ling域yu,數shu控kong機ji床chuang的de使shi用yong越yue來lai越yue廣guang泛fan。但dan大da多duo是shi從cong歐ou,美mei,日ri進jin口kou機ji床chuang,歐ou美mei日ri機ji床chuang的de特te點dian是shi:可靠性好,故障率低;人機界麵的設計重視人性化;帶有主動測量及補償係統;可以提供帶自動上下料裝置加工單元;機ji床chuang設she計ji模mo塊kuai化hua。而er國guo產chan數shu控kong機ji床chuang廠chang家jia雖sui然ran不bu少shao,但dan從cong品pin種zhong看kan,仍reng然ran是shi低di層ceng次ci的de通tong用yong數shu控kong車che床chuang較jiao多duo,對dui於yu適shi合he大da批pi量liang汽qi車che發fa動dong機ji,變bian速su箱xiang,底di盤pan主zhu要yao零ling部bu件jian的de多duo軸zhou數shu控kong加jia工gong中zhong心xin,品pin種zhong少shao,並bing且qie大da多duo沒mei有you經jing受shou大da批pi量liang生sheng產chan考kao驗yan。國guo產chan數shu控kong機ji床chuang如ru要yao何he快kuai速su進jin入ru汽qi車che製zhi造zao業ye?
現今的汽車生產,新產品的開發周期不斷縮短,成本也不斷降低,有資料顯示,十年前需要四年開發周期的汽車產品;jintianzhixuyaoliangnianjiukeyiwancheng。chuleqichezhizaoshangcaiyonglexianjindexinchanpinkaifafangfa,xunizhizao,tongbugongchengdengxianjinkaifajishuwai,henzhongyaodeyidianshideyiyuweiqichezhizaotigongzhizaozhuangbeideshebeigongyingshangdenuli,youqishizhexieshebeigongyingshangtigonglegezhongshukongjichuang,zhexieshukongjichuangyunxuqichezhizaoshangyizuikuaidesudutigongmanzushichangxuqiudechanpin。
數控機床分類與特色
數控機床有很多種;從大類上分,有專用數控機床,有通用數控機床;從加工品種上分,有加工殼體類的數控銑床、加工中心,有加工軸類的數控車床、車削中心,凸輪數控磨床等;從加工的控製要求上分,有單軸數控的數控砂帶拋光機,有五聯動的數控切齒機、數控滾刀磨;從控製的複雜性上分,有簡易數控,有多通道數控;從驅動方式上分,有步進電動機,有直流伺服電動機,有交流同步伺服電動機,有交流異步伺服電動機,有直線電動機;從主軸驅動方式上分,有直流主軸電動機,有交流主軸電動機,有交流電主軸;從位置反饋方式上分,有全閉環反饋,有半閉環反饋,有開環控製等等。
數控機床的良好柔性.高調整、加工精度高,早就被汽車製造者關注,60年nian代dai就jiu開kai始shi進jin軍jun汽qi車che零ling部bu件jian生sheng產chan領ling域yu。由you於yu其qi成cheng本ben高gao,係xi統tong功gong能neng及ji效xiao率lv不bu理li想xiang,而er一yi直zhi沒mei有you得de到dao廣guang泛fan應ying用yong。進jin入ru二er十shi世shi紀ji九jiu十shi年nian代dai,伴ban隨sui著zhe市shi場chang競jing爭zheng的de加jia劇ju;多(duo)品(pin)種(zhong)生(sheng)產(chan)最(zui)大(da)限(xian)度(du)滿(man)足(zu)市(shi)場(chang)的(de)多(duo)樣(yang)化(hua)需(xu)要(yao),直(zhi)到(dao)滿(man)足(zu)每(mei)一(yi)位(wei)用(yong)戶(hu)的(de)需(xu)要(yao),成(cheng)為(wei)汽(qi)車(che)製(zhi)造(zao)者(zhe)追(zhui)求(qiu)的(de)目(mu)標(biao),以(yi)數(shu)控(kong)機(ji)床(chuang)為(wei)主(zhu)體(ti)的(de)柔(rou)性(xing)製(zhi)造(zao)單(dan)元(yuan),被(bei)大(da)量(liang)使(shi)用(yong)。當(dang)今(jin)數(shu)控(kong)機(ji)床(chuang)的(de)重(zhong)點(dian)發(fa)展(zhan)方(fang)向(xiang)有(you)兩(liang)個(ge):
高速數控機床,以高速度來達到高效率。目前的國際水平是主軸轉速≤25000rpm,加、減速度≤2.5g,快速移動≤160m/min,要達到這個新的水平,數控機床的驅動、機械傳動、機械結構、刀具都要有很大的改進。機床的主軸必須使用電主軸,主軸承一般采用陶瓷軸承,難點是冷卻、潤滑,使用壽命一般20,000h。驅動一般采用直線電機加線性導軌(也有用靜壓導軌的),90m/min,1gdejichuangyeyouyongdaluojushuanggunzhusiganyuzhangjinfangandeshuangsifudianjiqudongde。jixiejiegouyibancaiyongkuangjiaxiangshijiegou。daojucaiyonggaoyingdugaonairedaoju,daobingcaiyongHSK對柄。
yishukongjichuangzhuanjihuahuozheshizhuanyongjichuangshukonghualaijiejuerouxinghegaoxiaolvdemaodun。muqian,oumeiqicheshengchandaduocaiyongyougaosujiagongzhongxinzuchengdeminjieshengchanxitong,zhezhongxitongkeyi100%的de柔rou性xing混hun流liu多duo品pin種zhong生sheng產chan,由you多duo個ge稱cheng作zuo島dao式shi的de柔rou性xing加jia工gong單dan元yuan組zu成cheng,每mei個ge島dao由you多duo台tai同tong類lei機ji床chuang及ji將jiang機ji床chuang連lian接jie起qi來lai的de機ji械xie手shou組zu成cheng,采cai用yong帶dai電dian子zi貯zhu存cun器qi的de隨sui托tuo盤pan與yu機ji床chuang進jin行xing信xin息xi交jiao換huan。值zhi得de注zhu意yi的de是shi這zhe些xie設she備bei供gong應ying商shang不bu僅jin掌zhang握wo了le設she備bei製zhi造zao的de專zhuan有you技ji術shu,而er且qie都dou非fei常chang重zhong視shi汽qi車che製zhi造zao工gong藝yi流liu程cheng的de開kai發fa,他ta們men能neng夠gou向xiang用yong戶hu提ti供gong交jiao鑰yao匙chi工gong程cheng,擁yong有you自zi己ji的de係xi統tong開kai發fa能neng力li。機ji床chuang的de可ke靠kao性xing指zhi標biao極ji為wei先xian進jin,單dan機ji開kai動dong率lv達da98%以上。采用這種生產係統,汽車製造廠家的新產品的工業化投放周期大大縮短。
經jing過guo二er十shi多duo年nian的de改gai革ge開kai放fang,在zai國guo內nei汽qi車che零ling部bu件jian製zhi造zao領ling域yu,數shu控kong機ji床chuang的de使shi用yong越yue來lai越yue廣guang泛fan。但dan大da多duo是shi從cong歐ou,美mei,日ri進jin口kou機ji床chuang,歐ou美mei日ri機ji床chuang的de特te點dian是shi:可靠性好,故障率低;人機界麵的設計重視人性化;帶有主動測量及補償係統;可以提供帶自動上下料裝置加工單元;機ji床chuang設she計ji模mo塊kuai化hua。而er國guo產chan數shu控kong機ji床chuang廠chang家jia雖sui然ran不bu少shao,但dan從cong品pin種zhong看kan,仍reng然ran是shi低di層ceng次ci的de通tong用yong數shu控kong車che床chuang較jiao多duo,對dui於yu適shi合he大da批pi量liang汽qi車che發fa動dong機ji,變bian速su箱xiang,底di盤pan主zhu要yao零ling部bu件jian的de多duo軸zhou數shu控kong加jia工gong中zhong心xin,品pin種zhong少shao,並bing且qie大da多duo沒mei有you經jing受shou大da批pi量liang生sheng產chan考kao驗yan。
應用情況與不足
近jin二er十shi年nian,我wo國guo的de機ji床chuang設she計ji造zao型xing取qu得de了le較jiao大da的de發fa展zhan,如ru果guo靜jing態tai的de看kan機ji床chuang外wai形xing,與yu國guo外wai同tong類lei產chan品pin看kan不bu出chu多duo大da差cha異yi,但dan是shi,要yao適shi應ying大da批pi量liang的de汽qi車che零ling部bu件jian生sheng產chan,需xu要yao機ji床chuang有you高gao的de可ke靠kao性xing。影ying響xiang機ji床chuang可ke靠kao性xing主zhu要yao有you兩liang個ge方fang麵mian,一yi個ge是shi機ji床chuang的de設she計ji質zhi量liang;另一個是機床部件及總成的加工及裝配的過程質量;從cong某mou種zhong意yi義yi上shang講jiang,過guo程cheng質zhi量liang對dui機ji床chuang的de可ke靠kao性xing影ying響xiang更geng大da。而er國guo內nei機ji床chuang製zhi造zao商shang都dou比bi較jiao重zhong視shi產chan品pin設she計ji質zhi量liang,一yi般ban采cai取qu合he資zi或huo者zhe采cai取qu模mo仿fang國guo外wai產chan品pin。但dan對dui於yu機ji床chuang可ke靠kao性xing影ying響xiang更geng大da的de製zhi造zao過guo程cheng質zhi量liang則ze忽hu視shi掉diao了le。結jie果guo是shi我wo們men有you些xie廠chang家jia的de樣yang機ji完wan成cheng了le多duo年nian,銷xiao售shou出chu的de機ji床chuang小xiao問wen題ti不bu斷duan,故gu障zhang率lv高gao,或huo精jing度du達da不bu到dao合he同tong要yao求qiu,服fu務wu又you差cha,用yong戶hu滿man意yi度du非fei常chang低di。所suo以yi,開kai發fa的de產chan品pin形xing成cheng經jing濟ji效xiao益yi,達da到dao規gui模mo銷xiao量liang的de不bu多duo。我wo想xiang強qiang調tiao的de是shi;zhongshiguochengzhiliangdekongzhi,guifanzhizaogongyi,zhiliangjiankong,duichanpinzhiliangchixugaijin,shihuodegaokekaoxingjichuangdeqianti。lingwai,haiyaojianliyuguojixianjinjichuangchangjiatongbudejichuangshejizhizaobiaozhun,80年nian代dai初chu,我wo國guo引yin進jin了le許xu勒le惠hui勒le公gong司si的de專zhuan機ji製zhi造zao部bu分fen標biao準zhun,通tong過guo消xiao化hua吸xi收shou,產chan生sheng了le如ru東dong風feng設she備bei製zhi造zao廠chang,大da連lian機ji床chuang廠chang等deng國guo內nei比bi較jiao優you秀xiu的de組zu合he專zhuan機ji及ji自zi動dong線xian生sheng產chan企qi業ye。但dan是shi,在zai引yin進jin技ji術shu的de同tong時shi,我wo們men沒mei有you即ji時shi推tui動dong技ji術shu創chuang新xin,沒mei有you通tong過guo引yin進jin建jian立li完wan整zheng的de技ji術shu標biao準zhun,並bing保bao持chi同tong步bu發fa展zhan。結jie果guo西xi方fang國guo家jia在zai九jiu十shi年nian代dai初chu進jin行xing設she備bei換huan代dai向xiang數shu控kong柔rou性xing化hua設she備bei發fa展zhan時shi,我wo們men還hai在zai為wei提ti高gao專zhuan機ji製zhi造zao水shui平ping而er花hua費fei人ren力li和he物wu力li。目mu前qian國guo產chan數shu控kong機ji床chuang廠chang商shang大da多duo采cai取qu的de戰zhan略lve是shi與yu國guo外wai合he資zi或huo合he作zuo引yin進jin某mou一yi種zhong或huo某mou幾ji種zhong機ji型xing,不bu能neng形xing成cheng係xi列lie產chan品pin,使shi汽qi車che零ling部bu件jian生sheng產chan廠chang家jia缺que乏fa選xuan擇ze性xing;今(jin)天(tian)的(de)汽(qi)車(che)製(zhi)造(zao)者(zhe)為(wei)了(le)降(jiang)低(di)成(cheng)本(ben),縮(suo)短(duan)開(kai)發(fa)期(qi)限(xian),對(dui)工(gong)業(ye)化(hua)實(shi)施(shi)交(jiao)鑰(yao)匙(chi)工(gong)程(cheng),而(er)國(guo)產(chan)供(gong)應(ying)商(shang)缺(que)乏(fa)汽(qi)車(che)零(ling)部(bu)件(jian)製(zhi)造(zao)工(gong)藝(yi)開(kai)發(fa)能(neng)力(li),他(ta)們(men)大(da)多(duo)缺(que)乏(fa)提(ti)供(gong)重(zhong)要(yao)汽(qi)車(che)發(fa)動(dong)機(ji)零(ling)部(bu)件(jian)敏(min)捷(jie)製(zhi)造(zao)係(xi)統(tong)如(ru)缸(gang)體(ti),缸(gang)蓋(gai);曲軸,連杠;凸輪軸的零件整線的經驗,缺乏輔機開發配套能力及係統聯線設計能力。
看法與建議
為了使國產數控機床盡快大規模進入汽車製造業,我認為國產數控機床製造商應著力提高自身能力,主要有以下幾方麵:
要建立自身的汽車零部件的製造工藝能力,針對汽車零部件製造的要求開發產品。逐步形成係列化、模塊化的數控機床產品,滿足汽車零部件製造生產的需要。
要重視朕線設備的開發(輸送裝置,托盤等),shukongjichuangzhizaoshangzuoweiqichelingbujianjiagongxiandezhujigongyingshang,bujinyaozhongshizhujideshejizhizao,haiyaogaoduzhongshigouchengxiandaiminjierouxingdanyuandegeyaosudekaifa,rujixieshou,shusongzhuangzhideng。yinweizhexiezhuangzhidekekaoxingyingxiangleshengchanxiandekaidonglv。erkaidonglvduiyudaguimoshengchandeqichegongyeshifeichangzhongyaode。
擁yong有you整zheng線xian輔fu機ji的de配pei套tao能neng力li。由you於yu交jiao鑰yao匙chi工gong程cheng的de要yao求qiu,作zuo為wei,曾zeng承cheng包bao商shang還hai要yao注zhu意yi建jian立li自zi己ji整zheng線xian承cheng包bao工gong程cheng的de長chang期qi合he作zuo夥huo伴ban如ru專zhuan用yong清qing洗xi機ji等deng,因yin為wei,配pei套tao設she備bei製zhi造zao商shang的de能neng力li也ye影ying響xiang整zheng線xian承cheng接jie能neng力li。
提ti高gao整zheng線xian自zi動dong化hua設she計ji能neng力li,現xian代dai汽qi車che零ling部bu件jian製zhi造zao已yi進jin入ru敏min捷jie生sheng產chan時shi代dai,自zi動dong化hua信xin息xi係xi統tong設she計ji的de合he理li與yu否fou,決jue定ding了le生sheng產chan係xi統tong的de正zheng常chang運yun行xing。它ta是shi高gao科ke技ji技ji術shu在zai汽qi車che零ling部bu件jian製zhi造zao方fang麵mian的de應ying用yong。是shi現xian代dai數shu控kong機ji床chuang係xi統tong供gong應ying商shang的de核he心xin競jing爭zheng力li所suo在zai。
建立有效的用戶問題反饋機製;樹立用戶至上的觀念,建立快速服務係統;汽車生產是大批大量生產,對生產設備的維護及維修要及時。及時有效的服務增強了企業競爭力;同時有利機床產品質量的改進提高。
重視機床可靠性設計,機床的可靠性主要由可靠的機床製造體係保證的,必須重視製造過程的質量控製;保證製造過程的一致性對於機床製造業是很重要的。
利用開放及與國際交往的有利機遇;吸收消化,建立與國際同步的機床標準。
zhongshiyushukongxitongchangjiadejiaoliuhezuo,shishidikaifajuyouzijizhishichanquandeshukongxitong,gaishukongxitongyinggaishikaifangshide,nengzuidaxiandumanzuqichelingbujianzhizaoxuyao。
建立可靠的機床製造係統,信守合同,重視交貨期。
在中國第八屆國際機床展覽會上,有一批國產設備廠家已經展出了自己的新產品,如東風設備廠生產的PM400IIgaosujiagongzhongxin,dalianyidariping,shenyangshukongdengchangjiazhanchudejiagongzhongxinbijiaoshihefadongjibiansuxiangketileilingjiandejiagong,nanjingerjichuang,zhongqingjichuangchangshengchandeshukonggaiyiji,shukongchachiji,shukongtichijishihebiansuxiangchilunchixingjiagong,haiyouhenduoqitadeshukongjichuangchangjiayedouzhanchulehenduozhongshukongjichuangchanpin。xiangxinguochanshukongjichuangzhizaoshangzhiyaozhenzhengshuliyiyonghuweizhongxindeshichangguannian,jianchichixugaijindesixiang,wanquanyounenglizhizaochumanzuqichezhizaoshengchanyaoqiudegaozhiliangbiaozhundeshukongjichuangjirouxingzhizaoxitong,guoneiqichezhizaoshangwanquanyongwomenzijideshukongjichuangzhilianchuangchanqicheyizhirikechile。