Crusher discharge port

1. In the process of crushing, the moving cone liner and the fixed cone liner are constantly worn, which makes the ore outlet graally increase. In order to ensure a certain proct size, it is necessary to adjust the size of the ore outlet with the wear condition. The adjustment of ore outlet is realized by means of serrated thread rising and falling cone liner between adjusting ring and supporting sleeve
in order to make the tooth thread lubricated and easy to adjust and disassemble, the thread must have enough clearance
for the adjusted ore outlet, the steel wire shot put method can be used to measure the size of the ore outlet from the crushing chamber to the ore outlet. It is enough to measure one point for the processed new liner, and 6-8 points for the unprocessed or worn liner. After the discharge port meets the size requirements, the adjusting ring shall be locked by the locking cylinder, otherwise it is not allowed to start.

2. There are several ways to adjust the discharge port of jaw crusher:

gasket adjustment: put a group of gaskets with the same thickness in the rear thrust plate support and the rear wall of the frame. By increasing or recing the number of cushion layer, the discharge port of crusher is reced or increased
wedge adjustment: with the help of the relative movement of the two wedges between the rear thrust plate support and the rear wall of the frame, the adjustment of the ore discharge port of the crusher is realized. Turn the nut on the bolt to make the adjusting wedge move up or down along the rear wall of the frame, and drive the front wedge to move forward or backward, so as to push the thrust plate or movable jaw, so as to achieve the purpose of adjusting the ore outlet
hydraulic adjustment: in recent years, it is necessary to install a hydraulic cylinder at this position to adjust the discharge port. The safety device is a kind of safety measure which is used to effectively prevent the machine parts from being damaged when the crushing cavity of jaw crusher enters into non crushing objects. The most commonly used is to use the rear thrust plate as the safety device of the crusher. The jaw crusher adopts hydraulic safety device, which is reliable, safe and easy to discharge faults

precautions

supporting device refers to the bearing part of jaw crusher. Generally, large and medium-sized crushers adopt sliding bearing cast with Babbitt alloy, which can bear large impact load and is relatively wear-resistant, but its operation efficiency is low, so it needs forced lubrication. With the improvement of rolling bearing manufacturing technology, rolling bearings will be used in large jaw crushers in the future
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3. Alas, another person who bought a bad proct must polish his eyes when buying equipment. Don't just focus on the cheap.

4. The factory setting is a way to adjust the rear pull rod spring device to increase or decrease the size of the discharge port

5. Slag crusher
what kind of slag to crush

6. Jaw crusher will have a process of extrusion and opening when it works. In short, extrusion is mainly crushing, opening, discharging and blanking. In the discharging process, a part of the materials larger than the width of the discharging port will be discharged together. This is also the basic principle of cone breaking. Therefore, the maximum proct particle size of crusher discharge is usually calculated by multiplying the width of discharge port by a coefficient.

7. When the crushing cone or frame liner is worn, in order to ensure the particle size of ore discharge, it is necessary to restore the original width of ore discharge. The way of adjustment is to raise the crushing cone and rece the discharge port. If the crushing cone has been raised to the top and the discharge port can not restore the original width, the frame or lining plate of crushing cone should be replaced or replaced at the same time. When raising the crushing cone, first take off the nut on the crossbeam, then screw the lifting ring into the screw hole at the upper end of the main shaft of the crushing cone, and then use the crane to lift the crushing cone. The lifting height should be 5-15mm higher than the original expected distance
after lifting the crushing cone, screw down the adjusting screw, press down the pressing sleeve and conical sleeve, and then return the screw. Then remove the key and screw down the nut until it contacts with the pressing sleeve. Then measure the width of the outlet. After meeting the specified requirements, clean up, fill with lubricating oil, and finally install the cap.

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9. In the process of crushing, the moving cone liner and the fixed cone liner are constantly worn, which makes the ore outlet graally increase. In order to ensure a certain proct size, it is necessary to adjust the size of the ore outlet with the wear condition. The adjustment of the discharge port is realized by means of the saw thread rising and falling cone liner between the adjusting ring and the supporting sleeve. In order to make the tooth thread lubricated and easy to adjust and disassemble, the thread must have enough clearance
for the adjusted ore outlet, the steel wire shot put method can be used to measure the size of the ore outlet from the crushing chamber to the ore outlet. It is enough to measure one point for the processed new liner, and 6-8 points for the unprocessed or worn liner. After the ore outlet meets the size requirements, the adjusting ring shall be locked by the locking cylinder, otherwise, it is not allowed to start.

10. Before the normal use of the crusher, it is necessary to clean the objects in the crushing chamber first, and then adjust the size of the ore outlet of the crusher after cleaning, and finally the crusher can work normally.