1, the speed and temperature rise:

With the development of science and technology, the spindle speed is getting higher and higher, variable speed range is growing, therefore, the requirements are also increasing the stability of the high-speed operation of the bearing. Machine tool spindle bearing temperature rise is an important factor to limit the speed of the bearing. Under normal circumstances, the correct choice of the type of non-standard bearings, tolerance levels, allocation, clearance (preload) size, lubricants and lubrication methods, the high-speed rolling bearing performance can be increased to a certain extent.

Spindle bearings TIMKEN the technical requirements

2, the life and carrying capacity:

General machine tool spindle component life means to maintain the accuracy of the spindle of the period of use, therefore, the bearing accuracy is required to maintain the performance to meet the requirements of the spindle component life. Heavy machine or heavy cutting machine, you should first consider the carrying capacity of the non-standard bearings.

Rolling to make precision parts, which require to be cautious about use, not only changed the use of high-performance bearings, if used improperly, they can not achieve the expected performance effects, therefore, the use of bearings should note the following:
Maintain a non-standard bearings and its surroundings clean. Even if invisible to the naked eye smile dust from entering the bearing will increase bearing wear, vibration and noise.

Carefully when using the installation does not allow a strong punch, does not allow the bearings, direct percussion with a hammer does not allow pressure by rolling the body pass.

Using the appropriate installation tools to make use of special tools, tried to avoid the use of the cloth and staple fiber and the like.

To prevent corrosion of TIMKEN bearings, and direct hands to take bearings, to fully wash away the sweat of the hands, and coated with high-quality mineral oil

The inner diameter and outer diameter dimensions of rolling bearings are manufactured according to standard tolerances, the bearing inner ring and shaft, with the tightness of the outer ring and housing bore only by controlling the journal tolerances and bore tolerances to achieve. Non-standard bearing inner ring and shaft with the hole basis, the bearing outer ring and housing bore with the shaft system.

The correct choice with the need to know TIMKEN bearing the actual load conditions, operating temperature, and other requirements, but in fact it is very difficult. Therefore, in most cases is to select with the use Lapping.

Ring and shaft or shell over win amount depends on the size of the load, the heavier the load over to win the amount of lighter loads smaller over win amount.



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