The working principle of the coarse crusher is to crush the material by the rotation of the movable knife and the cutting of the fixed knife, and the obtained finished particles are screen-controlled, and the desired finished particles can be obtained by changing the screen. The machine is also equipped with a water cooling mechanism to effectively control the pulverization temperature and ensure the quality of the powdered material. We can also design and manufacture the corresponding models according to the needs of users.
The use of coarse crushers should be based on the nature of the materials and production requirements to develop a regular maintenance system. Regular inspections are generally minor repairs, intermediate repairs and overhauls. The repair contents and cycle are as follows.
1. Minor repair content and cycle
Check the spindle suspension, dust-proof, eccentric bushings and bevel gears, linings, drive shaft parts, thrust discs and lubrication systems and replace the lubricant. The minor repair cycle is approximately 1 to 3 months.
2. Medium repair content and cycle
The repair includes all minor repairs; inspect and replace the liner if necessary; inspect and repair the drive shaft section, eccentric sleeve, inner and outer bushings, thrust discs, suspensions, and electrical equipment. The overhaul period of the repair is about 6 to 12 months.
3. Overhaul content and cycle
Overhaul includes the entire contents of the repair; check and repair or replace the frame, beam and repair foundation. The overhaul period is approximately 5 years. The overhaul period of the above minor repairs, medium repairs and overhauls varies according to the nature of the materials. When crushing hard materials (f=10~16), the medium repair period is about 3-4 months, and the broken medium and soft materials (f =1~5), the maximum cooking period can be extended to two years. The mid-repair and overhaul cycle is also related to the quality of daily operations, inspections, and maintenance work. Reasonable operation and meticulous maintenance are the key to ensure the normal operation of the coarse crusher and increase the operating rate.
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