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LanguageRegarding service life and load distance
2024-10-15(8)次浏览
Rated load is one of the important factors related to operating life.
Rated load is divided into "rated static load" and "rated dynamic load". Rated static load "refers to the load at which a small indentation remains on the contact surface when a load is applied in a stopped state; Um
Fixed dynamic load "refers to the" rated dynamic load "when the residual rate (without damage) of the guide rail remains constant after running for a certain distance under applied load.
Guide rail manufacturers usually use the value at which the ball residual rate reaches 90% after running for 50km as the rated dynamic load. But for industrial machinery, considering factors such as moving speed and operating rate, its lifespan is converted into actual
The operating distance must reach 5000km to 10000km.
In addition, the radial load has a relatively small impact on the life of the guide rail, leaving a margin for repetition. In fact, the bias torque load not located at the center of the guide rail has the greatest impact on the lifespan of the guide rail.
Therefore, the markings in our company's product catalog indicating the service life of our drive shaft are based on the dynamic allowable torque assuming a service life of 5000km or 10000km.
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