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多(duo)(duo)數用戶在(zai)使用中(zhong)走(zou)(zou)絲(si)線(xian)(xian)(xian)切(qie)(qie)割(ge)里面的(de)一(yi)些(xie)配(pei)件時，有很多(duo)(duo)專業知識(shi)不知道，這(zhe)也導致了(le)對中(zhong)走(zou)(zou)絲(si)線(xian)(xian)(xian)切(qie)(qie)割(ge)上的(de)人為損害(hai)，下(xia)現我們(men)簡單的(de)講(jiang)下(xia)怎(zen)么對中(zhong)走(zou)(zou)絲(si)線(xian)(xian)(xian)切(qie)(qie)割(ge)導輪進行保養：

中走絲線切割導輪(lun)的組(zu)(zu)裝與拆卸(xie)首先將所(suo)需組(zu)(zu)裝的導輪(lun)、銅套、螺母、內(nei)外螺帽放在煤(mei)油內(nei)清洗。用(yong)以去(qu)除(chu)銅屑、灰塵等(deng)雜質。

任取(qu)(qu)一銅套(tao)，水平放在(zai)鉆床工(gong)作臺(tai)面上(shang)；任取(qu)(qu)一導輪，垂直放進銅套(tao)內；取(qu)(qu)另(ling)一銅套(tao)，套(tao)進導輪上(shang)方。

把一(yi)個軸(zhou)承(cheng)(cheng)(cheng)平放進銅(tong)套。將(jiang)壓(ya)(ya)棒（一(yi)個帶內(nei)徑5毫(hao)米(mi)孔(kong)的(de)(de)工具）有孔(kong)的(de)(de)一(yi)頭(tou)向下(xia)，夾(jia)(jia)在鉆床夾(jia)(jia)頭(tou)里，搬動(dong)手柄，夾(jia)(jia)頭(tou)下(xia)降(jiang)，壓(ya)(ya)棒水平壓(ya)(ya)住軸(zhou)承(cheng)(cheng)(cheng)，軸(zhou)承(cheng)(cheng)(cheng)被壓(ya)(ya)進銅(tong)套，同時(shi)套緊導輪(lun)。至此，軸(zhou)承(cheng)(cheng)(cheng)裝好，另(ling)一(yi)端(duan)和單邊雙軸(zhou)承(cheng)(cheng)(cheng)的(de)(de)安裝重復此過(guo)程即可。說明：因壓(ya)(ya)棒5毫(hao)米(mi)孔(kong)端(duan)水平，下(xia)壓(ya)(ya)時(shi)正好垂(chui)直(zhi)而又同時(shi)壓(ya)(ya)住軸(zhou)承(cheng)(cheng)(cheng)的(de)(de)內(nei)圈和外圈，因此在下(xia)壓(ya)(ya)過(guo)程中(zhong)不會對軸(zhou)承(cheng)(cheng)(cheng)造成影響。

多數導輪有3、4或5毫米螺紋，擰上螺母。接下來就是頂間隙。

頂(ding)(ding)間隙是(shi)使(shi)導(dao)輪(lun)兩(liang)邊輪(lun)面(mian)分(fen)別(bie)與兩(liang)個銅(tong)(tong)(tong)套(tao)(tao)(tao)接觸面(mian)的(de)(de)脫離，以避(bi)免導(dao)輪(lun)在高速旋(xuan)轉(zhuan)的(de)(de)過程中(zhong)與銅(tong)(tong)(tong)套(tao)(tao)(tao)嚴重摩擦，摩擦會降(jiang)低(di)導(dao)輪(lun)和銅(tong)(tong)(tong)套(tao)(tao)(tao)的(de)(de)使(shi)用壽命，且軸(zhou)承旋(xuan)轉(zhuan)阻力增大，各部件磨損較快。故此頂(ding)(ding)間隙是(shi)一道(dao)必不可少的(de)(de)重要工(gong)序。首先把工(gong)具(ju)B擰進銅(tong)(tong)(tong)套(tao)(tao)(tao)，擰入三分(fen)之二即(ji)可，再將帶頂(ding)(ding)針(zhen)的(de)(de)A擰進B里，頂(ding)(ding)針(zhen)會頂(ding)(ding)到(dao)導(dao)輪(lun)軸(zhou)上(shang)的(de)(de)中(zhong)心孔。擰A到(dao)擰不動(dong)為(wei)止，此時導(dao)輪(lun)輪(lun)面(mian)與銅(tong)(tong)(tong)套(tao)(tao)(tao)面(mian)出現空(kong)隙，至此單邊頂(ding)(ding)間隙完(wan)成，另一邊重復(fu)上(shang)述過程即(ji)可。頂(ding)(ding)間隙最佳握(wo)法：左手(shou)握(wo)導(dao)輪(lun)組件，右(you)手(shou)擰工(gong)具(ju)。左手(shou)握(wo)組件時應(ying)握(wo)在（握(wo)緊）與工(gong)具(ju)連(lian)接的(de)(de)銅(tong)(tong)(tong)套(tao)(tao)(tao)上(shang)，另端銅(tong)(tong)(tong)套(tao)(tao)(tao)騰空(kong)。注意：由于是(shi)金屬材質，銅(tong)(tong)(tong)套(tao)(tao)(tao)口螺紋較鋒利，一定要握(wo)緊，不可讓其在手(shou)中(zhong)旋(xuan)轉(zhuan)，以免割(ge)傷手(shou)！

最后加潤滑(hua)油，上(shang)螺帽。潤滑(hua)油的多少應視在上(shang)內螺帽后，油脂(zhi)從導(dao)輪(lun)與銅套的間隙里溢出為(wei)最佳(jia)，這(zhe)說明軸承(cheng)內有油脂(zhi)通過。至此，導(dao)輪(lun)已組裝完畢。