Answer
Multi-juya karkace rikowa zobba (saban da hatimi cirlips tare da eyelets) suna rauni daga lebur waya da kuma rashin shigarwa ramukan, bukatar musamman taro dabaru.
Shigarwa da hannu:
1. Saka ɗaya ƙarshen zoben karkace a cikin tsagi.
2. Kashe sauran jujjuyawar zuwa cikin rami tare da motsi mai karkace (kamar lanƙwasa maɓalli akan zobe).
3. A guji yin amfani da sukukuwa masu kaifi waɗanda za su iya karce saman shaft, fara haɓakar ƙananan damuwa.
Kayan aiki Na atomatik / Babban Girma:
1. Yi amfani da madaidaicin madauri (don shafts) ko maɗaurin hannu (don gidaje).
2. Mai buguwa mai huhu yana tura zoben karkace akan mandrel, yana faɗaɗa shi daidai gwargwado a cikin iyakoki na roba don haka ya zame kan sandar kuma ya ƙwace cikin tsagi.
3. Rigakafin Tsokaci: Aiwatar da lubricant mai bushe-fim mai haske zuwa ga mandrel kuma tabbatar da mating chamfer akan kayan aiki yana da kyakkyawan ƙarewa (R_a <0.4 \ mu m$) don hana micro-abrasion na shaft ko plating na zobe.
