1. suitable viscosity and good viscosity and temperature characteristics of the machine tool spindle temperature is not too high to make the machine tool thermal deformation, affecting the machining accuracy or bearing lubrication does not spindle bearing oil is a precision machine tool and similar equipment spindle bearings of the special lubricants, which ensures that the spindle of the work of the accuracy and use of the performance, to extend the service life of its plays a very important role, also known as bearing oil. Its main properties:
1. suitable viscosity and good viscosity and temperature characteristics of the machine tool spindle temperature is not too high to make the machine tool thermal deformation, affecting the machining accuracy or bearing lubrication, should be based on the structure of the spindle bearings, rotational speed and bearing clearance, such as the selection of the appropriate temperature of the lubricant and require good viscosity and temperature characteristics, to prevent the spindle bearings from being damaged by the working temperature of the machine tool and similar equipment, it is very important to ensure the accuracy and performance of the spindle to extend its service life, also known as bearing oil. Characteristics, to prevent the spindle operating temperature and ambient temperature changes, the viscosity of the change is too large and affect its lubricating properties.
2. Good lubrication for the spindle and bearing contact surface to maintain a uniform oil film, and in the spindle to start or stop the movement of the shock load generated by the oil film will not be destroyed, to maintain good lubrication performance plays a role in reducing friction and frictional heat, reduce the temperature rise of the spindle, to ensure the role of machining accuracy, requires a good viscosity and temperature characteristics. Ensure the role of machining accuracy, requires good lubrication performance.
3. Good oxidation resistance machine tool spindle in the use of circulating lubrication, the spindle bearing oil is required for long-term use and not deteriorate, so it is required to have good oxidation resistance.
4. Good rust resistance due to the oil in the spindle lubrication system will inevitably be mixed into the air in the process of coagulation of water or machine coolant, so the oil is required to have a good rust resistance.