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眾zhong所suo周zhou知zhi,傳chuan統tong的de線xian性xing運yun動dong多duo是shi旋xuan轉zhuan運yun動dong通tong過guo一yi定ding的de傳chuan動dong變bian換huan機ji構gou轉zhuan化hua成cheng直zhi線xian運yun動dong的de,中zhong間jian經jing過guo了le各ge種zhong傳chuan動dong環huan節jie,因yin此ci係xi統tong的de定ding位wei精jing度du就jiu要yao考kao慮lv旋xuan轉zhuan運yun動dong的de精jing度du、傳動機構的精度、安裝誤差、係統磨損等對係統精度產生影響的因素。目前國際國內的解決方案高端的采用直驅直線電機,中端和低端的采用研磨級精密絲杆、低彈性形變的皮帶、精度級別高的齒條等來盡量降低係統傳動環節帶來的精度損失。
高端直驅直線電機有速度高、加速度高、定位精度高、wubeixidengchuantongchuandongxingxianxingyundongwufadadaodegaoxingneng,danshiyouyuzhixiandianjixitongdehexinjishujibenbeiguowaifadaguojiazhangwohekongzhi。suiranguoneiyoujijiagongsiyekaishizuozhixiandianji,danshidabufenjinjinshizuodianjibenti,weiyichuanganqihesifukongzhiqiyiranxuyaoyilaijinkou。yincizhixiandianjixitongdezhengtijiageyirangaojubuxia,shizhizhenzhengchenglegaoduanganwenerbuganyongdechanpin。jiashangxianzaiguojiaxituzhanlveguanzhi,zhixiandianjibentiyemanmandeshiqulejiageyoushi。zhenggexitongdejiagezhubuxiangshangpansheng。zhengshiyouyujiagegao,henduohexinzujianxuyaoyilaijinkou,shizhenggeshichangdexiaofeiliangyuchuantongsifuchanpinyouxiangdangdadechaju,zhengtichuyupiruanzhuangtai。
要想從根本上解決直線電機係統大麵積推廣的問題,必須從三方麵下手:一(yi)是(shi)進(jin)行(xing)省(sheng)稀(xi)土(tu)材(cai)料(liao)的(de)直(zhi)線(xian)電(dian)機(ji)的(de)設(she)計(ji),這(zhe)需(xu)要(yao)直(zhi)線(xian)電(dian)機(ji)廠(chang)家(jia)具(ju)有(you)先(xian)進(jin)的(de)設(she)計(ji)工(gong)具(ju)和(he)創(chuang)新(xin)的(de)設(she)計(ji)思(si)路(lu),盲(mang)目(mu)的(de)照(zhao)搬(ban)照(zhao)抄(chao)國(guo)外(wai)的(de),最(zui)多(duo)也(ye)僅(jin)僅(jin)賺(zhuan)個(ge)勞(lao)動(dong)力(li)成(cheng)本(ben)的(de)差(cha)價(jia);二是高性能位移傳感器的國產化,隻有自己掌握了核心技術,才能打破國際廠商的壟斷,才能設計符合我國國情的高性價比產品;三san是shi伺si服fu控kong製zhi器qi的de國guo產chan化hua,其qi實shi在zai國guo內nei做zuo變bian頻pin器qi的de廠chang家jia較jiao多duo,由you變bian頻pin轉zhuan向xiang伺si服fu相xiang對dui比bi較jiao容rong易yi,隻zhi是shi軟ruan件jian上shang的de算suan法fa是shi衡heng量liang整zheng個ge伺si服fu控kong製zhi器qi性xing能neng優you劣lie的de關guan鍵jian,在zai硬ying件jian上shang大da家jia基ji本ben都dou差cha不bu多duo。因yin此ci算suan法fa的de基ji礎chu研yan究jiu和he深shen入ru吸xi收shou是shi做zuo好hao國guo產chan伺si服fu控kong製zhi器qi的de首shou先xian要yao解jie決jue的de問wen題ti。
zhongduanhediduanduoshucaiyongchuandongfangshilaishixianxuanzhuandaoxianxingyundongdezhuanhuan。chuantongdesilujunshizaixuanzhuansifudianjihouduanjiabianmaqi,ranhoutongguogezhongshouduanlaijinliangjianshaochuandonghuanjiedejingdusunshi。yincigezhongjingmisigan、精密皮帶、精(jing)密(mi)齒(chi)條(tiao)等(deng)高(gao)精(jing)度(du)等(deng)級(ji)的(de)傳(chuan)動(dong)機(ji)構(gou)相(xiang)繼(ji)推(tui)出(chu)來(lai)滿(man)足(zu)設(she)備(bei)的(de)需(xu)要(yao)。目(mu)的(de)就(jiu)是(shi)讓(rang)整(zheng)個(ge)係(xi)統(tong)能(neng)達(da)到(dao)可(ke)預(yu)見(jian)的(de)係(xi)統(tong)精(jing)度(du)。然(ran)而(er)事(shi)實(shi)上(shang),這(zhe)種(zhong)半(ban)閉(bi)環(huan)的(de)傳(chuan)動(dong)係(xi)統(tong)在(zai)隨(sui)著(zhe)使(shi)用(yong)過(guo)程(cheng)中(zhong)接(jie)觸(chu)傳(chuan)動(dong)的(de)磨(mo)損(sun)和(he)係(xi)統(tong)裝(zhuang)配(pei)鬆(song)動(dong)、yinglibianxingdengwuchayuanbuduanzengjiadeqingkuangxia,xitongdexuanchengjingdugenbenwufadadaoyuqideyaoqiu,zhinengjiangjishiyong。yuanyinjiuzaiyuxitongzhishibanbihuan,zuizhongfuzaiyundongdeshijiqingkuangzhinengkaochuandongjigoudejingdulaizuodagaideyuji。qiegaojingdusigan、齒條、皮帶等由於加工難度高,價格也高,比如THK和IKO的de微wei米mi級ji絲si杆gan動dong則ze幾ji千qian,還hai要yao戰zhan略lve管guan製zhi。要yao想xiang徹che底di擺bai脫tuo這zhe種zhong困kun境jing,唯wei有you從cong全quan新xin的de角jiao度du來lai進jin行xing係xi統tong的de通tong盤pan考kao慮lv,比bi如ru如ru何he實shi現xian係xi統tong全quan閉bi環huan,使shi係xi統tong的de誤wu差cha等deng級ji不bu僅jin僅jin是shi能neng夠gou預yu計ji,而er是shi能neng夠gou精jing確que測ce量liang。再zai一yi個ge就jiu是shi如ru何he用yong較jiao低di的de成cheng本ben來lai實shi現xian傳chuan統tong係xi統tong的de升sheng級ji,不bu對dui原yuan係xi統tong做zuo大da改gai動dong,通tong過guo增zeng加jia有you限xian的de組zu件jian來lai實shi現xian傳chuan統tong傳chuan動dong係xi統tong的de高gao精jing度du化hua。
womendouzhidaojichuangdeshuxiangaizao,jiushijinjinjialeguangzhashuxianjinengshixianweiyidebihuanxianshi,dadatigaolechuantongshoudongjichuangdexingneng。shijiagongjingdubuzaijinjinshiyuji,gengnenggoujingqueceliang。bengongsixianxingchuandongdequanbihuanjiejuefanganjileisiyuci,youdiduandequanbihuanshuxianjiejuefangan,yeyouzhonggaoduandequanbihuanshukongjiejuefangan。zhedeyiyuwomenduixianxingbianmahexinjishudezhangwoheduixitongbuchakongzhisuanfadeshenruyanjiu。
該gai全quan閉bi環huan高gao精jing度du解jie決jue方fang案an不bu但dan適shi用yong於yu傳chuan統tong伺si服fu係xi統tong的de性xing能neng升sheng級ji,同tong樣yang適shi用yong於yu對dui傳chuan統tong開kai環huan步bu進jin滑hua台tai係xi統tong做zuo性xing能neng升sheng級ji。是shi填tian補bu傳chuan統tong伺si服fu電dian機ji係xi統tong與yu開kai環huan步bu進jin電dian機ji係xi統tong的de中zhong間jian地di帶dai,是shi一yi個ge低di成cheng本ben、高性價比、獨特的伺服化控製解決方案。本解決方案的步進係統繼承了傳統的步進係統的所有優點(例如:有靜態鎖力、低速性能好、大力矩(相同機座型號相對伺服電機而言)、對位置環的響應無延時、價格便宜、免維護),又具有伺服係統的一些優點(例如:安全性好、不會失步和過衝、能與上位機進行通迅、加速或減速更迅速、定位精度高)。benjiejuefangandebujindianjichulegaosuxingnengheguozaixingnengbibushangchuantongdesifudianji,qitafangmiandexingnengwanquankeyipimeiyusifudianji,shenzhiyouxiexingnenghaoguosifudianji(例如:靜態鎖力、與普通光柵尺配合能 得到更高和更可靠的定位精度、低速穩定性及不需要齒輪減速箱就能獲得低速大力矩…)。由於本解決方案極具性價比,將提供給工業自動化的設計和使用者一個更多的選擇,特別是經濟型的數控機床行業。
benjiejuefanganyuanlijiandan,tiaoshirongyi,renherentongguoshiyongshoucejiunenghenhaodeshezhita,buxuyaozhuanyedetiaoshijishu,kongzhijishiyongshangyeyuchuantongdekaihuanbujindianjixitongmeiyourenhequbie,xianyouderenhebujindianjixi 統都可以按照本解決方案得到性能升級。經廣泛客戶使用,完全能適應三軸或多軸聯動的數控機床。
本解決方案最高可以配合 0.001mm 分辨率的光柵。完全為多軸聯動而設計的,對位置誤差的響應是微秒級的,靜態精度為光柵的正負一個脈衝,動態精度為光柵的正負 2-3 個脈衝。在中走絲的線割機上實際試驗,方可以到0.003mm 的精度,圓可以到0.005mm的精度。對於使用了本解決方案的機器來說,不管是使用 C7 級的絲杆還是 C3 級的絲杆,最終得到的加工精度並沒有多少區別,但 C7 與 C3 級的絲杆的價錢差別卻是巨大的,由此非常具有經濟效益。
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