Powder karafa bearings an yi da karfe foda da sauran anti-kumburi kayan foda manne, sintered, siffa da kuma mai ciki-ciki.Suna da tsari mara kyau.Bayan an jika shi da mai mai zafi, an cika ramukan da man mai mai mai.Tasirin tsotsawa da ɗumamar juzu'i yana haifar da ƙarfe da mai suna haɓaka ta hanyar dumama, matse mai daga cikin ramukan, sannan farfajiyar juzu'i tana aiki azaman lubrication.Bayan abin da ke ɗauke da shi ya yi sanyi, ana tsotse mai a cikin ramukan.

Powder karfe bearings kuma ana kiransa bearings mai.Lokacin da ɗigon man fetur ya kasance a cikin yanayin da ba ya aiki, mai mai ya cika pores.A lokacin aiki, jujjuyawar shaft yana haifar da zafi saboda gogayya, kuma haɓakar thermal na daji mai ɗaukar nauyi yana rage pores.Saboda haka, man shafawa ya cika kuma ya shiga rata mai ɗaukar nauyi.Lokacin da ramin ya daina juyawa, harsashi mai ɗaukar nauyi ya yi sanyi, ramukan sun farfaɗo, kuma ana tsotse mai a cikin ramukan.Ko da yake masu ɗaukar man fetur na iya samar da cikakken fim ɗin mai, a mafi yawan lokuta, irin waɗannan bearings suna cikin yanayin rikice-rikice na fim din mai ba da cikakke.

Powder karfe bearings suna da halaye na low cost, vibration sha, low amo, kuma babu bukatar ƙara lubricating man fetur a lokacin dogon aiki hours.Sun dace musamman ga wuraren aiki waɗanda ba su da sauƙi don shafawa ko ƙyale mai ya zama datti.Porosity shine muhimmin siga na ɗaukar mai.Abubuwan da ke ɗauke da mai da ke aiki a ƙarƙashin babban sauri da nauyi mai sauƙi suna buƙatar babban abun ciki na mai da babban porosity;Abubuwan da ke ɗauke da man fetur da ke aiki a ƙarƙashin ƙananan gudu da babban kaya suna buƙatar ƙarfin ƙarfi da ƙananan porosity.

An ƙirƙira wannan ɗaukar hoto a farkon ƙarni na 20.An yi amfani da shi sosai saboda ƙananan farashin masana'anta da amfani mai dacewa.Yanzu ya zama ba makawa ci gaban daban-daban masana'antu kayayyakin kamar motoci, gida kayan aiki, audio kayan aiki, ofishin kayan aiki, aikin gona inji, daidaici inji, da dai sauransu A asali ɓangare na.