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微型導軌是一種高精度、小體積、輕qing量liang化hua的de直zhi線xian運yun動dong導dao軌gui係xi統tong,廣guang泛fan應ying用yong於yu各ge種zhong需xu要yao精jing密mi直zhi線xian運yun動dong的de領ling域yu。其qi精jing度du等deng級ji是shi衡heng量liang其qi性xing能neng的de重zhong要yao指zhi標biao,不bu同tong精jing度du等deng級ji的de導dao軌gui適shi用yong於yu不bu同tong的de應ying用yong場chang景jing。那na麼me,不bu同tong類lei型xing的de微wei型xing導dao軌gui精jing度du降jiang低di速su度du有you何he差cha異yi?
滾珠型微型導軌
由於滾珠與導軌之間是點接觸,在相同負載下,接觸應力相對集中。如果使用環境中的灰塵、雜(za)質(zhi)較(jiao)多(duo),滾(gun)珠(zhu)容(rong)易(yi)受(shou)到(dao)磨(mo)損(sun),進(jin)而(er)影(ying)響(xiang)導(dao)軌(gui)的(de)精(jing)度(du)。在(zai)一(yi)些(xie)對(dui)精(jing)度(du)要(yao)求(qiu)極(ji)高(gao)的(de)半(ban)導(dao)體(ti)製(zhi)造(zao)設(she)備(bei)中(zhong),若(ruo)滾(gun)珠(zhu)型(xing)微(wei)型(xing)導(dao)軌(gui)所(suo)處(chu)環(huan)境(jing)不(bu)佳(jia),且(qie)潤(run)滑(hua)係(xi)統(tong)出(chu)現(xian)問(wen)題(ti),可(ke)能(neng)在(zai)較(jiao)短(duan)時(shi)間(jian)內(nei)就(jiu)會(hui)出(chu)現(xian)可(ke)檢(jian)測(ce)到(dao)的(de)精(jing)度(du)下(xia)降(jiang)。不(bu)過(guo),在(zai)潔(jie)淨(jing)、潤滑良好的環境中,其精度保持性較好,精度降低速度較慢,可運行上萬小時精度仍能維持在較高水平。
滾柱型微型導軌
滾柱型微型導軌適用於高剛性、重zhong負fu載zai場chang景jing,滾gun柱zhu與yu導dao軌gui是shi線xian接jie觸chu,相xiang比bi滾gun珠zhu型xing,其qi承cheng載zai能neng力li更geng強qiang,在zai承cheng受shou較jiao大da負fu載zai時shi,滾gun柱zhu的de變bian形xing相xiang對dui較jiao小xiao。在zai重zhong載zai工gong況kuang下xia,滾gun柱zhu型xing微wei型xing導dao軌gui的de精jing度du降jiang低di速su度du比bi滾gun珠zhu型xing要yao慢man。
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