Grease strength limit

Source: China Bearing Network Time: 2018-01-26

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The strength limit of grease refers to the shear stress that causes the beginning of the sample to move; also known as the ultimate shear stress or strength limit stress; referred to as the strength limit. The strength limit of the grease is indicated by the letter Ï„; the unit is Pa.
The standard method for determining the ultimate strength of grease is SH/T 0323-92; the maximum pressure at which the grease is attacked in the plastic threaded tube is measured at the experimental temperature; and the strength limit is replaced.
The strength limit of grease depends to a large extent on the type of thickener and its amount in the grease; the amount of soap increases; the strength limit also increases. The limit of grease strength is related to temperature. The higher the temperature The strength limit of the fat is more. The swaying of the grease is recognized by the typhoon. According to the strength limit at high temperature, the upper limit of the applicable temperature of the grease can be roughly clarified. In the actual use of the grease; the application of the grease strength limit The range is between 100-300 Pa. In general, the activity of grease is often estimated by the strength limit at high temperature, and it is easy to move with the similar viscosity value at low temperature.

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