Q3) The screw, as shown is operated by a torque applied to the lower end. The nut is loaded and prevented from turning by guides. Assume friction in the ball bearing to be negligible. The screw is a triple-start trapezoidal thread. The outside diameter of the screw is 48 mm and the pitch is 8 mm. The coefficient of friction of the threads is 0.15. For trapezoidal threads, 2 B=30°) Find: 1. Load which can be raised by a torque of 40 N-m; and 8 WV.C.n W G.d Pb ndin 2. Average bearing pressure between the screw and nut thread surface. T₁ = ² × H, X W (R.) ¹ - (R₂) ² (R₁)²-(R₂)²] 8 (Assuming uniform wear conditions) =H₁*W*R JANNER RANGARaheb Main eginal (Assuming uniform pressure conditions) 197 50 mm
Q3) The screw, as shown is operated by a torque applied to the lower end. The nut is loaded and prevented from turning by guides. Assume friction in the ball bearing to be negligible. The screw is a triple-start trapezoidal thread. The outside diameter of the screw is 48 mm and the pitch is 8 mm. The coefficient of friction of the threads is 0.15. For trapezoidal threads, 2 B=30°) Find: 1. Load which can be raised by a torque of 40 N-m; and 8 WV.C.n W G.d Pb ndin 2. Average bearing pressure between the screw and nut thread surface. T₁ = ² × H, X W (R.) ¹ - (R₂) ² (R₁)²-(R₂)²] 8 (Assuming uniform wear conditions) =H₁*W*R JANNER RANGARaheb Main eginal (Assuming uniform pressure conditions) 197 50 mm
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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