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Gano Lambobin Bearing marasa Daidaituwa

 

Bearings marasa daidaitosuna nufin bearings waɗanda girmansu, tsarinsu, daidaitonsu, ko buƙatun fasaha ba su dace da ƙa'idodin ƙasa ba (GB/T). Yawanci ana yin su ne bisa ga zane-zanen abokin ciniki. Halayensu sun haɗa da ƙarancin iya aiki, amfani da su na farko a cikin kayan aiki na musamman ko aikace-aikacen da suka dace (kamar na'urorin likitanci da injuna na musamman), da kuma adadi mai yawa na samfuran bincike da haɓakawa. Saboda ƙananan girman batch, farashin samarwa da farashinsu yawanci ya fi na yau da kullun.

 

Ga wasubearings, waɗanda diamita na ciki ko faɗin diamita na waje (tsawo) bai dace da ƙa'idodin ƙasashen duniya masu dacewa ba ana kiransu bearings marasa daidaito. Lambar don bearings marasa daidaito ta ƙunshi lambar asali, lambar farko, da lambar yau da kullun. Lambar asali ta ƙunshi sassa biyu: lambar samfuri da girman da ke wakiltar girman asali na bearings.

 

1. Lambar Jerin Girma

 

Akwai hanyoyi guda biyu don wakiltar lambar jerin girma.

 

1) Girman diamita ko faɗin waje na bearing mara daidaito yawanci ana gano shi ta amfani da jerin diamita ko jerin faɗin da suka fi kusa da ma'auni, kuma ana ƙara haruffan X1, X2, X3 bayan lambar asali.

 

2) Ba za a iya kwatanta diamita na ciki, diamita na waje, da faɗin bearing ɗin da ba na yau da kullun ba da jerin girman da aka saba, don haka ana wakilta su a matsayin lambobi marasa iyaka.

 

2. Lambar Diamita ta Ciki

 

An wakilta lambar girman diamita ta ciki kamar haka: ga diamita ƙasa da 500mm, ana amfani da lamba da za a iya raba ta da 5, kuma ana raba rabon da 5 don wakiltar lambarsa. Sauran girma ana bayyana su kai tsaye azaman ainihin diamita na ciki a cikin millimeters, amma ya kamata a raba su da "/" ta amfani da lambar jerin girma iri ɗaya.

 

Bugu da ƙari, ana iya bayyana bearings marasa daidaito ta amfani da ma'aunin halaye don shigar da su. Ana bayyana ma'aunin bearings kamar haka: "/diamita na ciki * diamita na waje * faɗi", tare da raka'o'in ma'auni na gaske a cikin mm.

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