Detailed description of the characteristics of the spindle bearing oil

Source: Bearing network time: 2018-02-27

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1. Appropriate viscosity and excellent viscosity-temperature characteristics are used to make the machine tool spindle temperature not too high and cause the machine tool to be thermally deformed; affect the machining accuracy or make the bearing smooth and poor; should choose the appropriate temperature according to the spindle bearing layout, rotation speed and bearing clearance. Smooth oil and its excellent viscosity temperature characteristics; avoid changes due to spindle operating temperature and ambient temperature; the viscosity change is too large and affect its smooth function.
Second, the outstanding smoothness is to maintain a uniform oil film between the main shaft and the bearing contact surface; and the oil film is not damaged when the main shaft starts or stops the impact load; the outstanding smooth function plays a role in reducing conflict and conflict heat. Decrease the temperature rise of the spindle, ensure the accuracy of the machining; the demand has an outstanding smooth function.
Third, the outstanding anti-oxidation machine tool spindle when using the smoothing method; the spindle bearing oil is required for long-term use without deformation, so it is required to have outstanding oxidation resistance.
4. Outstanding rust resistance Because the oil will inevitably mix into the air in the process of smoothing the spindle system, the oil will be mixed with the machine coolant; therefore, the oil demand has excellent rust resistance.

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