The bearing of corn machinery is destroyed heavily during the production. If well maintained, it will affect manufacturing. The bearing is a key part of the equipment, what to do if it breaks down. Let us talk about some maintenance ways.
The bearing needs to be changed when sleeve and rolling body are seriously destroyed. If the bearing is worn out, it can be maintained by welding.
Preheat the bearing of corn machinery and inner hole of the cover to 150-250℃. The bearing is welded by rod J507Fe and the cover by wrought iron.When finished, it must immediately be buried into lime powder for slow cooling. Pay attention to maintenance of the welding machine:
1. Adjusted value of concentricity≤ 0.015mm. Avoid big noise when it operates in high speed and heat when vibrates.
2. It is appropriate to bead weld in 6-8 equal parts when motor neck<40mm; Full welding should be adopted when it is >40mm. The welding methods are selected depending on output power. No matter which method is used, it should be welded in symmetry.
3. During process, turning roughness of the motor, under 11kw is controlled at 3.2. The bearing of corn machinery and cover are better to be processed again by grinder to guarantee quality. When the rotor and bearing separate, high temperature resistant 502 adhesives are injected into the clearance. The glued part should be vertically laid immediately. After injecting both sides, 40% saline is used. The bearing can be put into operation after a few days.
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