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Reasons for the breakage of the main shaft of the 200t/h cone crusher

Time:2021-05-07 14:17:09 Share To

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The 200 tons/hour cone crusher is a crusher with high power, large crushing ratio and high productivity. This machine is widely used in mining, building materials, met urgy and other industries. It can perform medium and fine crushing operations on various metal ores, basalt, granite and other materials. Its structure is obviously different from the traditional cone machine in design, and it concentrates on various types. The main advantages of the 200 tons per hour cone machine are suitable for medium and fine crushing of hard rocks, ore, slag, refractory materials, etc.

The operating environment of the 200-ton-per-hour cone machine is relatively harsh, and some failures will inevitably occur. Let me introduce the three main reasons that cause the main shaft of the 200-ton-hour cone machine to break:

 1, Frequent iron passing, the joint between the main shaft and the body of the 200-ton cone machine is broken. Method: Inst over-iron protection device.

 2, The 200 tons/hour cone machine was continuously overloaded, and the main shaft broke at the joint with the body. Solution: The main shaft fracture of the 200-ton/hour cone machine is usu y manifested by the bounce of the support sleeve. At this time, the feed should be reduced.

3, The bowl-shaped tile and the spherical surface of the body have serious friction, which causes the spindle to be inserted too much into the spindle bushing, thereby reducing the running clearance and causing lubrication failure, and the spindle is broken in the tapered part (lower part).

Solution: The geometric relationship between the 200-ton cone machine spindle, bowl-shaped tile and spindle bushing is incorrect. Replace the bowl-shaped tile, surfacing and rework the spherical surface of the body or pad the bowl-shaped shaft frame to compensate for the bowl-shaped tile and body. Wear of the spherical surface. 

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