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The factor that affects the running accuracy of the electric spindle related to lubrication is the heating of the electric spindle. The internal heat source of the electric spindle comes from two aspects: 1. The heating of the spindle bearing; 2. The heating of the built-in electric motor of the electric spindle.
Solving motor heat needs to cool the stator of the motor, and it can be achieved by the circulating water cooling method to take away the heat of the motor. To solve the spindle bearing heat problem, the heat generated by the operation of the bearing must be taken away in time. Traditional thin oil lubrication is the delivery of a large amount of lubricant to achieve intrusive lubrication. At the same time, the lubricant removes heat. This lubrication method has its disadvantages. First, it wastes a lot of lubricating oil. Second, the lubricating oil in the cycle of lubricant molecules and friction between the pipes generate a lot of circulating heat, resulting in oil temperature rise, the lubricant at this time Not only can not play a good cooling effect, but also lead to bearing temperature increases, is not conducive to the performance of the spindle bearing. Therefore, eliminating the generation of frictional heat between molecules inside the liquid becomes the key to solving the problem. Practice shows that oil and gas lubrication can fundamentally avoid this situation. First, oil and gas lubrication provides a small amount of lubricant to meet the amount of lubricant needed for the bearing. Secondly, oil and gas lubrication will not generate friction due to lubricant molecules, and the clean compressed air will take away the heat generated by the bearing and keep the spindle running at a stable temperature. This can effectively solve the problem of thermal deformation caused by temperature rise.
Dopsey is committed to the research and development of oil and gas lubrication for electric spindles for many years. Mature oil and gas lubrication products and rich application experience will bring greater value to customers.
Doppel's spindle lubrication has the following advantages:
1. A positive pressure environment can be obtained in the spindle bearing chamber to prevent the intrusion of external impurities.
2, compressed air can play a good cooling effect on the bearing.
3, 1-8 points of independent lubrication, reliable monitoring of the lubrication of each lubrication point.
4. The consumption of lubricating oil is controlled by accurate metering, so the consumption is very low.
5, modular structure, according to the number of lubrication points to increase or decrease module components, to achieve multi-point combination;
6. Full electronic program control, quick setting through convenient man-machine interface;
7, the use of oil and gas lubrication equipment is simple to use, low maintenance costs.
Doppler spindle oil and gas lubricating device has: accurate oil supply, parameterized operation, easy operation, system to achieve liquid level, air pressure, flow output monitoring. At present, it has been used for supporting many home appliance spindle manufacturers.
Analysis of Factors Affecting the Performance of Motorized Spindles
High operating speed is one of the features of the electric spindle. Good lubrication of the bearing is an important indicator of its normal operation. Therefore, it is important to provide a suitable electric spindle lubrication system.