Mobile Cone Crusher Shaft Fracture Causes
Overview: many peoples know mobile cone crusher is suitable for metallurgy, construction, road construction, chemical and silicate industry in the crushing of raw material, according to the different principle of crushing and mass product particle size, it can be divided into many types, so it is very popular with new and old customers.
Defects in traditional cone crusher concentrated reflection on the main shaft, which often caused crushing shaft accidents. SBM experts through the broken shaft broken parts, failure analysis section and operating problems, and intensity calculation, the main shaft break thought to exist the following two reasons.
Main spindle intensity isn’t enough
Through strength calculation, spindle static strength and durability, both can’t guarantee crusher persistently normal work. Especially in iron, the bending stress of the dangerous section, most exceed the material yield limit.
The influence of overloading
During using process, due to the shortage of the spring pressure, the crushing hard ore, crusher ministries often produced in the beating. Spring pressure to determine the correct or not, the crusher is directly related to the use and manufacture cost. Spring pressure is too small, will cause crusher can't work normally, low production, product size too thick, badly damaged the parts, on the other hand, play the cutting pressure is too large, will cause high manufacturing costs .Crushing force caused by the spring pressure is low, can't satisfy the demands of the crushing ore, upper crusher, a sharp beating, resulting in parts wear and tear. so we should pay attention to its overloading.
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