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Ultimate standard of bearing strength of needle roller of thrust


31st May 2011 Bearing Technology 0 Comments

Technological digest: The breakdown point of the thrust needle bearing depends on the kind of thickening agent and consumption in the thrust needle bearing to a great extent, the soap content increases, then breakdown point increases too. Also temperature-dependent. The higher the temperature is, then the smaller the breakdown point of the lipoprotein is; Drop in temperature, then the breakdown point of the lipoprotein increases.

Determine the ultimate strength standard method of needle bearing of thrust is SH/T 0323-92, determine the maximum pressure when displacement takes place that the thrust needle bearing is intraductal under the test temperature in the plastic whorl, and change into the limiting value of intensity.

The breakdown point of the thrust needle bearing is to guide samples and begin the shear stress of flowing, also called terminal shearing stress or ultimate stress of the intensity, is abbreviated as breakdown point.

Can roughly explain the upgrade of Applicable temperature of the thrust needle bearing according to the breakdown point at the time of the high temperature. In the needle bearing in-service use of thrust, the ultimate applicable scope of bearing strength of needle roller of thrust is invited among 100-300Pa. Generally speaking, the fluidity of the thrust needle bearing is often expected it to be apt to flow with the limiting value of intensity under the high temperature, and in order to glueing the scale value similarly to estimate whether it can flow normally at low temperature.










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