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Yadda Ake Zaɓar Bearings Na Naɗa Allura?

Fuskantar da jerin abubuwa masu ban mamakiallurar nadi halisamfura—KR, NATR, KRV, NATV… shin kun taɓa jin ruɗani gaba ɗaya? A gaskiya ma, matuƙar kun fahimci “ƙa’idodin coding” da ke bayan lambobin samfurin, za ku iya tantance fasalin tsarin su da aikace-aikacen da suka dace cikin sauri. Teburin decoding yana sauƙaƙa ganin bambance-bambance tsakanin KR, NATR, KRV, da sauran samfura.

Dangane da ƙa'idar GB/T 6445,bearings na alluragalibi an raba su zuwa rukuni biyu: nau'in ƙulli da waɗanda ke da zoben riƙewa mai faɗi. Harafin farko ko prefix na samfurin shine mabuɗin bambance su:

- Jerin KR: Na'urorin juyawa irin na Bolt, yawanci suna da keji, waɗanda suka dace da yanayin matsakaicin gudu, matsakaicin kaya, kamar layukan jigilar kaya da tsarin jirgin ƙasa mai jagora.

- Jerin KRV: Haka kuma tsarin ƙulli ne, amma tare da cikakken abin birgima (babu keji), wanda ke ba da ƙarin ƙarfin kaya, wanda ya dace da yanayin ƙarancin gudu da nauyi.

- Jerin NATR: Zoben waje mai zoben riƙewa mai faɗi don sanyawa a axial, wanda aka saba amfani da shi a cikin shigarwa waɗanda ke buƙatar hana zoben waje juyawa.

- Jerin shirye-shiryen NATV: Haɓakawa na NATR tare da cikakken kayan birgima, wanda ya haɗa da ƙarfin aiki mai yawa da kuma yawan aiki, wanda galibi ake samu a cikin manyan injina ko yanayin nauyin tasiri.

Bugu da ƙari, ko bear yana da keji yana shafar gudu da tsawon rai kai tsaye: bearings masu keji suna da ƙarancin gogayya da sauri mafi girma; cikakkun na'urori masu cikawa suna sadaukar da ɗan gudu don ƙarin ƙarfin kaya.

Lokacin zabar samfuri, yana da kyau a yi tambayoyi uku: Shin sararin shigarwa yana tallafawa gyaran ƙulli? Shin yanayin aiki yana da sauƙin ɗauka, ko kuma ƙaramin nauyi mai sauƙi? Shin ana buƙatar matsayi na axial na zoben waje?

Da zarar ka sami amsoshin, sai samfurin da ya dace ya bayyana a zahiri. Fahimtar lambar kamar karanta "katin shaida" ne na bearing - daidaito daidai don samun inganci mafi girma.

Idan kuna son ƙarin bayani game da waɗannan abubuwan, tuntuɓi mu:

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