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	Makullin rak ɗin ya ƙunshi firam, muƙamuƙi biyu, dunƙulewa, hannu da maɓuɓɓuga.
Baron
	An kuma san firam ɗin da sanda kuma shine mafi girman ɓangaren matsewa. Yawanci, ɗayan ƙarshen yana lanƙwasa don samar da kafaffen muƙamuƙi, yayin da muƙamuƙi mai motsi ya dogara akan ɗayan ƙarshen firam kuma yana iya motsawa tare da shi.
	Tsawon firam ɗin yana ƙayyadad da yadda faɗuwar ƙuƙumman rack ɗin zai iya buɗewa.
Muƙamuƙi
	Dalilin jaws shine don kama kayan aiki yayin clamping. Matsarin rak ɗin yana da muƙamuƙi biyu waɗanda ke layi ɗaya da juna.
	Muƙamuƙi ɗaya yana gyarawa kuma baya iya motsawa. Sauran muƙamuƙi mai motsi ne kuma ana iya daidaita su, barin jaws su buɗe da rufewa. Muƙamuƙi mai motsi yana ɗora kayan marmari, wanda ke nufin cewa lokacin da aka danna magudanar ruwa, ana sakin jaw kuma ana iya motsa shi zuwa wani wuri daban. Hakanan za'a iya cire shi daga firam ɗin kuma a jujjuya shi don haɓakawa.
	Muƙamuƙi mai motsi yawanci yana da tsagi a samansa wanda ke ba da damar matsewa ya kama tubular ko abubuwa masu siffa marasa tsari.
Spring
	Maƙerin rak ɗin yana da maɓuɓɓugar ruwa wanda ke ba ka damar daidaita muƙamuƙi mai motsi lokacin da aka matsa masa lamba. Hakazalika, lokacin da aka saki matsa lamba, bazara yana tabbatar da matsayi mai tsayi.
Dunƙule
	Matsin rak ɗin yana da ƙaramin dunƙule wanda ke aiki da muƙamuƙi mai motsi, yana matsa lamba akan bazara yayin da yake juyawa. A karshen dunƙule akwai wani collet wanda rike ta wuce.
Gudanarwa
	Ana amfani da riƙon don juya ginanniyar dunƙule da daidaita muƙamuƙi mai motsi. Matsa madaidaicin matsayi yawanci yana da doguwar hannu mai sirara tare da fil mai zamewa, yana ba ku damar samun ƙarin fa'ida cikin sauƙi lokacin daɗa dunƙule. Lokacin da kuka juya hannun agogo baya, muƙamuƙi yana buɗewa, kuma idan kun juya ta agogo, muƙamuƙi yana rufe.