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Calculation of LM Guide service life  |  Calculation of Ball Screw service life

♦Calculation of Ball Screw service life♦

Starting calculation Operating procedure

1. Select mounting orientation, mounting method, Ball Screw type, nut type and nut model number.
    Calculation of Ball Screw service life: photo 1

  2. Enter a value for each item. Details of the entries are shown below.
    Calculation of Ball Screw service life: photo 2
Mass Enter a value for mass.
Speed Enter the maximum speed of the Ball Screw whose service life is to be calculated. (V>0)
Resistance of the guide unit Enter a value for seal resistance of the guide unit.
Center distance Enter a value for la in the figure.
Stroke Enter the distance traveled by the ball screw nut. (Ls>0)
Acceleration/deceleration time Enter the time until the maxium speed is reached and the time between the maximum speed and halt. (T1>0)
Reciprocations per minute Enter the number of reciprocations per minute. (N>0)
Friction coefficient Enter a value for frictional resistance of the guide surface. (LM Guide: 0.005; sliding: 0.1 to 0.2)
Load coefficient Enter a value for load coefficient.



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