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بلبرینگ یا یاتاقان توپی گونهی از چرخنده یاتاقان ها هستند که کاربرد زیاد و مختلفی در دستگاه دارند. بلبرینگهای دستگاه پرس میتوانند هم بارهای شعاعی و هم بارهای محوری را تحمل کنند. در بلبرینگها بار از لایه خارجی به گوی ها اعمال میشود و فشار به لایه داخلی منتقل میشود. اگر فشار بیش از حد به گوی های بلبرینگوارد شود موجب تغییر شکل یا خرد شدن آنها می...
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