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Should be tired of using TIMKEN bearings

Source: Bearing network time: 2014-06-29

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1. Selection and control of shaft and bearing chambers: TIMKEN bearings should be converted to sensitive and unobstructed after being pressed into the bearing. If there is significant change, it is not sensitive; then the standard of the shaft is too large; the public service should be lowered. After the bearing is pressed into the shaft, there is a significant â€œsandâ€ feeling by hand. It may be that the shaft is too large or the roundness of the shaft is not good. Therefore, the roundness should be controlled when the shaft and the bearing chamber are operated. At present, many domestic manufacturers only control the public service; there is no control on the roundness.
2, TIMKEN bearing installation method: because the bearing is a high-precision product; if the installation is not easy, it is very simple to damage the bearing channel; cause damage to the bearing. The bearing should have a special mold when installing; can not be hit casually; When the shaft is pressed, it can only be subjected to small force; when pressing the large circle, it can only be subjected to large force. When installing, the air pressure or hydraulic pressure is required; when the press is installed, the upper and lower molds should be outside the horizontal condition; if there is skew, the bearing channel will be affected. The force is damaged; the bearing is caused to make a sound.
3. Avoidance of installing foreign objects: TIMKEN bearings are very simple when moving to the rotor to make iron filings into the TIMKEN bearing inside the balance; therefore, the best is to balance the load before loading. Some manufacturers are convenient for installation. Apply some oil or grease to the bearing chamber for smoothing during installation; however, it is often difficult for the operator to control the amount; if oil or grease accumulates in the TIMKEN bearing chamber; it is easy to enter along the shaft when the bearing changes. Inside the bearing. The best part of the bearing chamber is not to apply oil or grease; if it is not painted, it must be handled without accumulation in the bearing chamber.
4, the prevention of paint rust: paint rust is characterized by multiple seals in the motor; the sound of the motor is very good when installed; but after some time in the warehouse; the abnormal noise of the motor is very large; remove the TIMKEN bearing There are severe rusting appearances. Many manufacturers have considered it to be a bearing problem; through our constant publicity; now the motor factory has realized that it is the primary problem of insulating varnish. The problem is mainly due to the fact that the acidic material evaporated from the insulating varnish is inevitable. The temperature and humidity constitute a corrosive substance; the TIMKEN bearing channel corrosion causes damage to the bearing. The problem can only be selected from a good insulating varnish; and it is installed after drying for a while.
The life of TIMKEN bearings is closely related to the production, installation and operation; it must be done at every stage; in order to keep the bearings in the best working condition; then extend the service life of TIMKEN bearings.
The calculation of the fatigue life based on the TIMKEN bearing fatigue life; the delineation of the inner ring or shaft rotation (in this case; the outer ring or the seat is fixed); the total value of the total value of the transfer value.
The fatigue life test procedure of the dynamic spring bearing; the standard test method); the method of using the function in the test machine; the delineation of the content of the demand; the number of the experimental samples of the fatigue life of the TIMKEN bearing; the practical test life from the test data; In other words; the subject of bearing fatigue experiments reminds life.
The bearing fatigue life test is satisfied with the smoothness; the maximum limit of the wear of the brake bearing; and the enhanced capacity and speed; the experimental method of fatigue life enhanced by the raised TIMKEN bearing fatigue factor;
TIMKEN bearing fatigue life accounting and fatigue life test are mutually reinforcing; the two results are satisfied with the letter.
In fact; assuming each specific application; a full number of TIMKEN bearing life experiments have been taken; to verify whether the selected bearings are economically momentary and labor-intensive;; thus; bearing life test methods It is necessary or important; in most cases; in the case before the application; a standard accounting method; the life of the Swedish TIMKEN bearing life is estimated; there is a level of reliability that is satisfied.

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