Gabatarwar Samfur

Juyawa bearings goyan bayan da jagorar jujjuya ko abubuwan injin girgiza (kamar shafts, axles ko ƙafafun) da canja wurin lodi tsakanin sassan injin.Suna ba da daidaitattun daidaito da ƙarancin juzu'i, don haka yana ba da damar saurin jujjuyawa yayin rage hayaniya, zafi, amfani da kuzari da lalacewa.

Siffofin Samfur

Abubuwan da ake amfani da su na birgima suna da kyakkyawar ciniki dangane da farashi, girman, nauyi, ƙarfin ɗaukar kaya, karko, daidaito, gogayya, da dai sauransu.
Sauran ƙirar ƙira galibi suna da kyau a ƙayyadaddun ƙayyadaddun ƙayyadaddun amma mafi muni a yawancin wasu, kodayake ɗaukar ruwa na iya yin fice a wasu lokuta cikin ƙarfin ɗaukar kaya, karrewa, daidaito, juzu'i, saurin juyawa kuma wani lokacin farashi duka a lokaci guda.Ƙaƙƙarfan ƙaƙƙarfan ƙaya ne kawai ke da faɗuwar kewayon aikace-aikace kamar mirgina bearings.
Abubuwan injinan gama gari da ake amfani da su sun haɗa da kera motoci, masana'antu, ruwa da aikace-aikacen sararin samaniya.

Aikace-aikacen samfur

Akwai dubban nau'ikan nau'ikan abin nadi da aka samu don biyan takamaiman buƙatun aikace-aikacen.
SilindricalRoller Bearings
Waɗannan bearings suna da rollers waɗanda suka fi tsayin diamita kuma suna iya ɗaukar manyan lodi fiye da bearings na ƙwallon.Abubuwan nadi na mu na silindrical na iya ɗaukar nauyin radial masu nauyi kuma ana iya amfani da su a aikace-aikace masu sauri.
Siffar abin nadi
Suna iya ɗaukar kaya masu nauyi ko da yayin da suke mu'amala da rashin daidaituwa da jujjuyawar shaft.Ana iya tsara su tare da ramukan cylindrical ko tapered don shigarwa tare da ko ba tare da adaftan soket ba.Ana samun nau'ikan abin nadi mai siffar zobe tare da nau'ikan sharewa na ciki da zaɓuɓɓukan keji don jure lodin axial ta kowace hanya da kuma nauyin girgiza.Wadannan bearings suna samuwa a cikin girma masu girma dabam daga 20 mm zuwa 900 mm.
Abubuwan nadi na allura
Irin wannan nau'in ya fi bakin ciki fiye da nadi na gargajiya kuma ana iya tsara shi tare da ko ba tare da zoben ciki ba.Abubuwan nadi na allura sun dace don magance matsalolin sararin samaniya a cikin nauyi mai nauyi, aikace-aikace masu sauri.Salon kofin da aka zana mai zurfi yana ba da damar damar ɗaukar nauyi da manyan wuraren tafki mai mai yayin da har yanzu ke ba da ƙirar slim giciye.Ana samun waɗannan bearings tare da hatimin sarki ko awo.
Tapered Roller Bearings
Wadannan bearings na iya tallafawa radial da tura lodi.Za su iya ɗaukar nauyin axial a hanya ɗaya kawai, don haka ana buƙatar juzu'i na biyu don daidaita matakan daidaitawa.Ana samun nau'ikan abin nadi da aka ɗora a cikin girman sarki da awo.
Ana amfani da igiyoyin nadi a cikin aikace-aikace masu yawa, daga kayan aiki masu nauyi da injuna zuwa samar da wutar lantarki, masana'antu da sararin samaniya.