Date: 2013-08-22

Install led TIMKEN bearing deformation prevention

　　In the TIMKEN bearing installation, the engineers are most concerned about is how to operate correctly, if improper handling may cause a TIMKEN bearing failures. Under the conditions of run at a high speed, and high temperature, should co-ordinate development with special attention to the rotating rings must not be too loose, to prevent vibration of eccentric, as the fixed ring requirements not gaps to prevent fires ring deformation under load and vibration.
　　Rotating rings burning of interference where possible should be made smaller. As long as the guarantee of working temperature thermal expansion effects, as well as maximum speed under the influence of centrifugal force, does not cause tight fit creeping or sliding on the surface. Fixed rings based on load size and TIMKEN bearing size, select a very small clearance fit or an interference fit, too loose or too tight is not conducive to precise shape.
　　We must rotate the rings combined with accurate calculation of interference, to accurately calculate the fixed amount of suitable tie rings.
　　Shaft and bore roundness, perpendicularity by TIMKEN bearings and abutments of the corresponding precision requirements.
　　Keep rack assemble precision relying on private assembly positioner guarantees, simply allows that to assemble precision of TIMKEN bearings.
　　Fixed ring of small interference conditions are matched high shape accuracy and smaller for both surface roughness, otherwise result in installation difficulties and removal more difficult, and in addition, you also need to consider the impact of thermal elongation of the main shaft.
　　Swing and variable loads in conjunction with rotating load on the same way, tie too loose will cause damage to the mating surfaces.
　　Direction relative to the load bearing ring and shaft or housing bore, you should select the transition, or perhaps an interference fit. Size of interference to TIMKEN bearings under load when working within their rings on the shaft or housing bore on the mating surfaces do not produce "creep" phenomenon the principle. Load is light, or under heavy load rings I have low speed rotation, the choice of transition fit, this time bearing surface should have a high hardness and surface roughness of small.
 

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