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Oil is a precision machine tool spindle bearings spindle bearings and similar special lubricant, which ensure the spindle of precision and performance, plays a very important role to extend its service life, also known as the bearing oil.
1, the right viscosity and good viscosity-temperature characteristics
The spindle temperature is not too high and the machine tool thermal aberrations, affecting the accuracy or poor lubrication SKF bearings, according to spindle bearings, bearing clearances and speed selects the appropriate temperature the lubricant with good viscosity-temperature characteristic and call it to prevent the spindle when the working temperature and the ambient temperature varies, changes in viscosity is too large to affect its lubricating properties.
2, good lubricity
The NSK bearings and spindle contact surface between a uniform oil film, and start or stop the movement of spindle oil film is not damaged under impact load, good lubrication to reduce friction and frictional heat, lower the spindle temperature rise, to ensure accuracy, requires a good lubricating properties.
3, good oxidation resistance
Spindle lubrication method, requires long-term use without deterioration of FAG bearings spindle shaft oil requires a good antioxidant.
4, good corrosion resistance
Because of oil in spindle lubrication system process inevitably will be mixed with air or condensed water in machine tool coolant, and asked for oil products has good corrosion resistance.
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