Engineering, 29.10.2019 04:31, Arealbot

An axis has a horizontal leadscrew that moves a 150 lb load. the screw has 5 threads per inch (p = 5 rev/in), ⇢ = 4.48 oz/in3 density, 42 in length, ⌘ = 0.75 eciency and 1.5 in diameter. the linear bearing friction coecient is µ = 0.15. the motion profile is trapezoidal with ta = td = 150 ms, tm = 1s, tdw = 0 s and vm = 2 in/s. all coupler inertias and carriage inertia are negligible. the servomotor has jm = 6.56 oz in2 inertia. calculate the peak and rms torques (in units of oz in) required for this application

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An axis has a horizontal leadscrew that moves a 150 lb load. the screw has 5 threads per inch (p = 5...