Gyratory crusher is a kind of broken machinery, mining equipment use of impact energy to crushing material. When the machine works, under the driving of the motor, the rotor rotating speed, material into the plate hammer function area, and the rotor impact crusher hammer, then was thrown to counterattack device is broken again, and then play back plate plate hammer effect region to break from the counterattack lining, this process is repeated material from large to small into one or two, three, counterattack cavity repeated broken, until the materials are crushed to the required size, discharged from the discharge port. Adjust the back frame and the clearance between rotor can be achieved by changing the material discharging size and material shape purpose.
Roll crusher roller surface often need to carry out maintenance in operation. Smooth roll crusher sometimes grinding wheel is installed on the machine frame, when the roller surface grinding pits or trenches, can not remove the roll surface grinding roller surface and to repair in the machine. Tooth roller crusher toothed plate or ring gear machine can be used to replace or make a u-turn. When the gear tooth wear to a certain degree, replacement or repair must be, otherwise cause the crushed product size is not uniform, increased power consumption, production decline. Some of the machine is also provided with a welding device, repair can be carried out directly on the machine. Some smooth roll crusher with roller automatic axial reciprocating moving device, so that the roll surface wear uniform.
The roller surface wear, the width of discharge opening increases, the need for active roll adjustment (single roll crusher is adjustable jaw). When adjusting the need to pay attention to keep the two rollers are parallel to each other, to prevent the skew.
A roll type sliding bearing of the crusher, should pay attention to the gap of roller bearing. The top gap of roller bearing and shaft neck is usually the shaft diameter of 1/10000 ~ 1.5/10000, clearance of bearing shells are top gap of 1/2 ~ 1/3.
In order to ensure the crusher work, often need to check lubrication bearing. Sliding bearing is often used gas or oil cup regularly by artificial injection of dilute oil, rolling bearings are regularly oiling lubrication and sealing.
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