Shock and Vibration / 2017 / Article / Tab 7

Research Article

Optimization Method of the Car Seat Rail Abnormal Noise Problem Based on the Finite Element Method

Table 7

Valve table of experimental design variable.

FactorNotesLower limitInitial valueUpper limit

t_upInternal rail thickness (mm)1.301.401.50
t_downOuter rail thickness (mm)1.301.401.50
EElastic modulus of guide material (Mpa)200000210000220000
nuPoisson’s ratio of guide material0.270.30.33
Guide material density ()
r_upRidge radius of inner rail (mm)−101
r_downRidge radius of outer rail (mm)−101
dManufacturing error of ball diameter (mm)−101

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