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Detailed analysis and related application of fine bearings
Source: China Bearing Network Time: 2014-05-27
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2, pin-type internal reaction dynamic pressure bearing: suitable for load and speed change large scale machine tool spindle.
3. Conical hydrostatic bearing: suitable for high-speed internal grinding head spindle system (such as 2110 inner grinding head), electric spindle, and inner channel grinding machine.
4, deep and shallow cavity layout dynamic pressure bearing: suitable for high-speed light-load machine tool spindle; such as M1432 cylindrical grinding, MGA6025 things grinding and so on.
Precautions for use 1. Normal use of the pump station must make up for 3 layers of silk cloth to participate in the oil.
2, change any parts on the pump station; must first remove the high-pressure oil inlet hose joint; after replacing the parts; the oil circuit self-circulation for 15 ∽ 20 minutes before the oil inlet pipe can be connected to the grinding head; this ensures The spindle oil entering the grinding head is an ultra-clean spindle oil that has been finely filtered. This can extend the service life of the dynamic compression spindle.
3. When the spindle pulley and the grinding wheel are loaded and unloaded, it must be carried out under the condition of the pump station operation. That is, the spindle is carried out under the condition that the static pressure oil floats. This does not damage the spindle and the dynamic pressure bearing.
4, after normal use should replace 2 # spindle oil and coarse fine filter.
5, the equipment is stopped; must first stop the grinding head motor; after the grinding wheel is stabilized; then turn off the pump station; otherwise simply damage the grinding head.
6. Before the operation of the grinding wheel spindle, investigate whether the pressure of the pumping station and the static pressure of the grinding head can be within the standard scale.
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