Nima uchun katta o'lchamli podshipniklarni tanlay olmaysiz?

Aug 09, 2023

Xabar QOLDIRISH

Barcha rulmanlar minimal yukni talab qiladi. Agar juda kam yuk qo'llanilsa, rulmanning rulonli elementlari rulon o'rniga siljiydi. Sirpanish sodir bo'lganda, soqol plyonkasi idealdan kamroq sirt harakati tufayli o'chiriladi, bu esa o'z navbatida metallning metallga tegishiga olib keladi va rulmanning ishlash muddatini qisqartiradi.

info-520-346
 

Minimal yukni hisoblash formulasi
Minimal yuk talablari rulman dizayniga qarab o'zgaradi. Umuman olganda, dumaloq elementlar va poyga yo'llari orasidagi aloqa maydoni qanchalik katta bo'lsa, talab qilinadigan minimal yuk shunchalik katta bo'ladi. Shuning uchun silindrsimon rulmanlar chuqur yivli rulmanlarga qaraganda yuqori minimal yuk talablariga ega. Rulmanning ichki geometriyasi, bardoshlik va sirt qoplamasi ham minimal yuk talablariga ta'sir qiladi.
Oddiy minimal yukni hisoblash formulasi quyidagicha:

Jek qo'shma

F{0}}P/C > 0,01

rulmanli podshipnik

F{0}}P/C > 0,02

Minimal qiymatni aniqroq hisoblash uchun siz har bir brend tomonidan berilgan hisoblash formulasiga murojaat qilishingiz mumkin, chunki har bir brendning rulmanlarining ichki dizayni nozik farqlarga ega bo'ladi, shuning uchun minimal yukni hisoblash ma'lum farqlarga ega bo'ladi.
Yaxshi rulman dizayni uchun kichikroq minimal yuk talabi dizayn tomonidan qo'yilgan maqsadlardan biri bo'lishi kerak.
Xulosa qiling
Umumiy ko'rsatma: rulmanning ishlash muddatini yuklarning eng yomon kombinatsiyasi ostida 100,000 soatdan oshmasligi tavsiya etiladi.
Agar rulmanning minimal yuk talablari bajarilmasa, dizayner pastroq minimal yuk talabiga ega rulmanni tanlashi mumkin, masalan: kichikroq o'lchamdagi rulmanni tanlang. Yoki rulman yukini oshiring, rulmanning minimal yukini oshirishning eng ko'p qo'llaniladigan usuli - bu bahor doimiy bosimni oldindan yuklash usuli.


Quyida katta o'lchamli sferik rulmanlar yetkazib berish uchun mavjud
 

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