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/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Home>Bearing knowledge> INA flange bearing temperature rise "key analysis" INA flange bearing temperature rise "critical analysis"
The primary reasons for the increase in bearing temperature are as follows: /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
Top of the list: too tight bearing installation will also lead to increased bearing temperature, second: excessive bearing load will also lead to increased bearing temperature, third: if the bearing cage or rollover is broken; it will also lead to increased bearing temperature .
Fourth: Can the smooth oil quality deteriorate? If the viscosity of the smooth oil is large, it will lead to an increase in the temperature of the INA bearing. Fifth: the bearing race on the shaft or in the shell will also cause the bearing temperature to rise. Sixth: If the bearing structure is too tight, the lack of clearance will also cause Flange bearing temperature rises, the bearing presses into the INA bearing should change sensitivity and no blockage in the future. If there is a significant change in insensitivity, it indicates the reason why the scale of the shaft is too large; the public service should be lowered. Because of the bearing relationship The personnel should also control the roundness when manipulating the shaft and the bearing room. At that time, many manufacturers in China only controlled the public service; but did not control the roundness.
Flange bearing is a bearing product with appropriate high precision; if it is not properly installed, it is very simple to damage the bearing channel; severely causing bearing damage. Therefore, the bearing sales professor indicates that the INA bearing should have a special mold at the time of installation; When pressing the shaft, only a small circle is required; when pressing the large circle, only a large circle is required. When installing, the air pressure or hydraulic pressure is required; when the press is installed, the upper and lower molds are outside the horizontal condition; if there is a skew, the bearing will be incurred. The channel is damaged by the force; the bearing is caused to sound.
The characteristic of paint rust is that it is mostly in the sealed motor; the motor sounds very good when it is installed; but after some time is placed in the warehouse; the abnormal noise of the motor becomes very large; the INA bearing is removed and has a severe rust appearance. Many manufacturers will think that it is a difficult problem for flange bearings; through our constant publicity; now the motor factory has realized that the primary problem is the problem of insulating varnish. The problem is mainly because the acidic material evaporated by the insulating paint is at a certain temperature and humidity. Corrosive substances; corrosion of the bearing channel caused damage to the bearing. This problem can only be selected from a good insulating varnish; and after a period of drying after drying, the bearing is installed on the rotor to do dynamic balancing. Simply put the iron filings that occur during dynamic balancing into the inside of the INA bearing; therefore, it is best to balance the load before loading the bearings. Some manufacturers are convenient for installation; some oil or grease is applied to the bearing chamber for smoothing during installation; Buying a bearing-related staff is difficult to control the amount; if oil or grease accumulates in the bearing chamber; it is very easy to enter the flange bearing along the shaft when the bearing changes. Bearing the best room is not painted with oil or grease; non-coated control shall not have to have accumulates in the bearing chamber.
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Die Spring is widely used in stamping die, metal die-casting die, plastic mold and other elastic movement precision mechanical equipment, automobile and other fields. Die Spring material generally choose chromium alloy steel. Chromium Alloy Spring Steel has the characteristics of high temperature resistance, large rigidity and long service life.
Die Spring includes: Japanese Standard Die Spring, German standard die spring, Spring, polyurethane spring, usually refers to the rectangular die spring. The rectangular die spring has the characteristics of small volume, good elasticity, high rigidity, high precision, rectangular material, color-separated spraying (plating) to distinguish different load, beautiful appearance and so on. The production standards of standardized die spring are: ISO9001:2000, Jis, ISO10243, NAAMS (North American automobile metric standard) , according to different standards of the production of Spring Day Standard Spring, American Standard Spring, ISO10243 German standard die spring and so on.
Source: China Bearing Network Time: 2013-05-30