電機維(wei)修時知道怎么贏(ying)嗎?
(1)確(que)定(ding)纏(chan)繞(rao)(rao)(rao)模(mo)(mo)具(ju)(ju)的尺(chi)(chi)寸(cun)。線(xian)(xian)(xian)圈(quan)(quan)埋設過(guo)程(cheng)中,有(you)時無(wu)法埋設線(xian)(xian)(xian)圈(quan)(quan),或者埋設后難以整(zheng)形;線(xian)(xian)(xian)圈(quan)(quan)的端部(bu)突(tu)出(chu),不能覆蓋端蓋。即使勉強合上蓋子,導線(xian)(xian)(xian)和端蓋也會接觸,造成接地(di)短(duan)路故障。所(suo)有(you)這些(xie)都是由于纏(chan)繞(rao)(rao)(rao)模(mo)(mo)具(ju)(ju)尺(chi)(chi)寸(cun)不當造成的。如(ru)果繞(rao)(rao)(rao)線(xian)(xian)(xian)模(mo)(mo)尺(chi)(chi)寸(cun)太小,很難埋線(xian)(xian)(xian)。如(ru)果過(guo)大,會浪費導線(xian)(xian)(xian),使導線(xian)(xian)(xian)難以成型,增(zeng)加繞(rao)(rao)(rao)組電(dian)(dian)阻和終端漏抗,從(cong)而(er)影響電(dian)(dian)機(ji)的電(dian)(dian)氣性能。因此(ci),纏(chan)繞(rao)(rao)(rao)模(mo)(mo)具(ju)(ju)的尺(chi)(chi)寸(cun)應該合適。選擇纏(chan)繞(rao)(rao)(rao)方式的方法:拆除導線(xian)(xian)(xian)時,應保留(liu)完(wan)整(zheng)的舊線(xian)(xian)(xian)圈(quan)(quan),作為選擇新纏(chan)繞(rao)(rao)(rao)尺(chi)(chi)寸(cun)的依據。新線(xian)(xian)(xian)圈(quan)(quan)尺(chi)(chi)寸(cun)可以直接從(cong)舊線(xian)(xian)(xian)圈(quan)(quan)測量(liang)。然后用一根導線(xian)(xian)(xian)按(an)確(que)定(ding)的節(jie)距在定(ding)子上測量(liang),并試做一個(ge)繞(rao)(rao)(rao)線(xian)(xian)(xian)模(mo)(mo)具(ju)(ju)模(mo)(mo)型來確(que)定(ding)繞(rao)(rao)(rao)線(xian)(xian)(xian)模(mo)(mo)具(ju)(ju)的尺(chi)(chi)寸(cun)。結束不應太長(chang)或太短(duan),以避免(mian)嵌入。
電(dian)機修理廠(chang)
(2)纏繞注(zhu)意事項:
新(xin)繞(rao)組所用導線的厚(hou)度、匝數和面積應(ying)根據(ju)原繞(rao)組的數據(ju)進行選擇。
檢查電(dian)線(xian)上(shang)是否(fou)有油漆掉落。如果有,需要涂絕緣(yuan)漆,干燥(zao)后即(ji)可纏繞(rao)。
繞線(xian)前,將(jiang)繞線(xian)模(mo)正確安裝在(zai)(zai)繞線(xian)機上(shang),用螺絲擰緊,將(jiang)導線(xian)放在(zai)(zai)繞線(xian)架(jia)上(shang),從線(xian)圈開始將(jiang)導線(xian)繞在(zai)(zai)繞線(xian)模(mo)的小釘上(shang)。
搖動手柄,開(kai)始從左(zuo)向(xiang)右纏繞。在(zai)纏繞過程中,導線應整齊均勻地(di)排列在(zai)纏繞模具中,不得交叉或打結。時刻注意電線的質量。如果絕緣損壞(huai),應及時修復。
如(ru)果導(dao)線(xian)(xian)在(zai)繞線(xian)(xian)過程中(zhong)斷裂,可以在(zai)繞線(xian)(xian)完成(cheng)后焊接接頭(tou),但(dan)焊接點應留在(zai)線(xian)(xian)圈的終端部分(fen),而不(bu)是槽內,因(yin)為(wei)插入導(dao)線(xian)(xian)的導(dao)線(xian)(xian)槽部分(fen)必須承受機械(xie)力,容易損壞(huai)。
將扎帶放(fang)入(ru)纏繞(rao)(rao)模具的扎帶孔中(zhong)。達到規定的圈(quan)數(shu)后(hou),從繞(rao)(rao)組(zu)槽中(zhong)取(qu)出(chu)線圈(quan),逐個(ge)計算線圈(quan)的圈(quan)數(shu),將未(wei)相加的圈(quan)數(shu)相加。夠了,去(qu)掉多(duo)余的,再用線。然(ran)后(hou)按規定長(chang)度放(fang)置端子,剪斷導線,再從繞(rao)(rao)線模具中(zhong)取(qu)出(chu)。
連續纏(chan)繞(rao)(rao)(rao)(rao)的方法可(ke)以(yi)減(jian)少繞(rao)(rao)(rao)(rao)組之間的接(jie)縫。將幾個類(lei)似的繞(rao)(rao)(rao)(rao)組固(gu)定在繞(rao)(rao)(rao)(rao)線機上(shang),按照上(shang)面的方法纏(chan)繞(rao)(rao)(rao)(rao),用(yong)繩子綁好,直到全部(bu)纏(chan)繞(rao)(rao)(rao)(rao)完畢(bi)。將線圈(quan)按順序從(cong)繞(rao)(rao)(rao)(rao)線模(mo)具中取出,然后整齊(qi)地放(fang)在線圈(quan)架上(shang),以(yi)免損壞導線絕緣層(ceng)或干擾線圈(quan),影響線圈(quan)質量。
繞線機長(chang)期使用后,齒(chi)輪(lun)嚙合不好(hao),刻度不準,一般不用于連續纏繞;用于單柄纏繞時,應立即校正,纏繞后計(ji)數(shu)(shu),以保證匝數(shu)(shu)的準確性(xing)。
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