The bearing capacity and life of the drum gear coupling depend on the contact strength

For flexible and drum tooth shapesCoupling, And some are lubricated with grease.That is, when the coupling is working, it can be lubricated due to the squeeze of grease.When assembling, grease is applied to ensure sufficient lubrication inside.The grease used in the high-speed device must ensure that the oil soap does not separate under the action of centrifugal force, otherwise the coupling oil leakage will reduce the lubrication effect.At the same time, multi-efficiency is required, that is, heat resistance, and a certain degree of cold resistance when working at low temperatures.The lubrication of spring-type couplings mostly uses grease.When assembling, the grease must fill the gap between the grids and be wrapped up to prevent grease leakage.Regular inspections are required during work, and extreme pressure lithium grease is generally used for refilling grease.

　　Pin couplings and flexible chain couplings generally use extreme pressure lithium grease.The universal main coupling is also lubricated with grease. It can also be greased frequently without stopping the machine. Generally, grease products with good water resistance and strong adhesion are required.The method of disassembling the pulley or coupling of the motor: 1. When disassembling, mark the position between the pulley or coupling and the shaft, screw the factory fixing screws and pins, and then slowly pull out with the puller .If you can't pull it out, you can pour some kerosene into the inner hole and then pull it out.

　　If you still can’t pull it out, you can use a rapid fire around the pulley orCouplingHeat quickly, wrap the shaft with a damp cloth, and continuously pour cold water to prevent heat from being transferred to the inside of the motor. 2. When assembling.First use a fine iron emery cloth to smooth the shaft hole of the shaft, pulley or coupling, align the pulley or coupling with the keyway and put it on the shaft, pad one end of the key with wrought iron or hardwood, and gently tap the key. Into the slot.The key should be properly tight in the groove. Too tight or too loose will damage the key and groove, and too loose will cause the belt to slip or vibrate.The bearing capacity and life of the drum gear coupling depend on the contact strength, while the radius of curvature of the tooth surface and the tooth engagement angle directly affect the contact strength.
 
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