Primary stone jaw crushers are extremely sturdy machines, suitable for crushing hard and abrasive aggregate materials. They consist of a body made of extra-thick electrowelded steel plates, an oversized mobile jaw-holder, an eccentric shaft in steel alloy, heavy-duty multi-direction radial ball bearings, high inertia flywheels, a crushing chamber with jaws and side armours in manganese steel. A protection plate in cast iron with replaceable bearings completes the equipment. A side opening to visually check the wear condition of the protection plate is also included.
Jaw crusher capacity
The capacity of jaw crusher has an influence on the capacity of secondary crusher; If the capacity can achieve the standard, the reason maybe only one, that is, do as the regulations; whileif the jaw crusher can't success, the reasons are varieties. First of all, we should clearly indicate the factors of jaw crusher's capacity: the feeding size of material, the discharge size, the material of rock and the feeding speed.
For a hard rock mine application below 600 tonnes/hour, select a jaw as the primary crusher. Over 1,000 tph, select a cone crusher. Between these capacities, you have a choice. If jaw crusher for limestone, may 1000tph or more is available. Jaw crusher for river stone is serious wear.
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