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application of crusher

basic requirements for the safe application of crusher

basic requirements for the safe application of crusher

1. During the operation of the crusher, the operator should stand away from the tangential direction of the hammer rotation, and is not allowed to wear gloves to feed, not to exceed the safety line, and not to use iron or sticks instead of hand feeding.

2. The pulverizer and power unit should be installed firmly. If the Pulverizer is fixed for long-term operation, it should be fixed on the cement foundation; if the pulverizer is in mobile operation, the unit should be installed on a base made of angle iron, and the pulley grooves of the power machine and the pulverizer should be in the same rotation plane .

4. Before starting the Cryogenic Pulverizer, turn the rotor by hand to check whether the claws, hammers and the rotor are flexible and reliable, whether there is any collision in the shell, and whether the rotation direction of the rotor is consistent with the direction indicated by the arrow of the machine. Whether the grinder is well lubricated.

7. Pay attention to the operation of the Powder Pulverizing Machine at all times during work, and the feeding should be uniform to prevent blocking the car, and do not overload the work for a long time. If there are vibrations, noises, excessive temperature of the bearings and the machine body, or spraying materials, the machine should be shut down immediately for inspection, and the work can be continued after troubleshooting.

8. Stop the machine immediately in case of blockage. It is strictly forbidden to use wooden sticks or hands to forcibly feed or pull out the feed to be processed without stopping the machine, so as not to injure the arm or damage the machine parts.

rock crushing rule of thumb - 911 metallurgist

rock crushing rule of thumb - 911 metallurgist

Gyratory crusher: feed diameter 0.75 to 1.5m; reduction ratio 5:1 to 10:1, usually 8:1; capacity 140 to 1000 kg/s; Mohs hardness <9. More suitable for slabby feeds than jaw crusher. [reduction by compression].

jaw crusher: range, working principle, application - dsmac

jaw crusher: range, working principle, application - dsmac

Jaw crushers are used as primary crushers, or the first step in the process of reducing rock. They crush primarily by using compression. The rock is dropped between two rigid pieces of metal, one of which then moves inwards towards the rock, and the rock is crushed because it has a lower breaking point than the opposing metal piece.

DSMAC Jaw Crushers are configured for primary crushing of even hardest rock. Our Jaw Crushers are crushing without rubbing Minimum dust Oil lubrication, devise having Oil/Grease lubrication system. The company crushers are designed for long life service with minimum maintenance for hard, tough, abrasive material and overload high capacity. The company all products are also well suited to high efficiency, large capacity size operation.

Based on principle of crushing without rubbing Minimum dust Oil lubrication, Law wear parts Gap adjustment and overload protection High capacity, High operational eliability Long service and life time Easy replacement of wear and spare part Wide range of application.

A jaw or toggle crusher consists of a set of vertical jaws, one jaw being fixed and the other being moved back and forth relative to it by a cam or pitman mechanism. The jaws are farther apart at the top than at the bottom, forming a tapered chute so that the material is crushed progressively smaller and smaller as it travels downward until it is small enough to escape from the bottom opening. The movement of the jaw can be quite small, since complete crushing is not performed in one stroke. The inertia required to crush the material is provided by a weighted flywheel that moves a shaft creating an eccentric motion that causes the closing of the gap.

Single and double toggle jaw crushers are constructed of heavy duty fabricated plate frames with reinforcing ribs throughout. Manganese steel is used for both fixed and movable jaw faces. Heavy flywheels allow crushing peaks on tough materials. Double Toggle jaw crushers may feature hydraulic toggle adjusting mechanisms.

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