Q1 The screw of the shaft straightener exerts a load of 3000Kg. The screw-type is square threaded of outside diameter (7.5cm) and (6mm) pitch. Take the height of the nut (150mm). Determine 1) Force required at the rim of 30cm diameter hand wheel, assuming a coefficient of friction is 0.12. 2) The maximum compressive stress in the screw, bearing pressure on the thread, and shearing stress in the thread. 3) Efficiency of the straightener. Nut- 150 Hand wheel Screw 100- 150- 400 All dimensions in mm

Q1 The screw of the shaft straightener exerts a load of 3000Kg. The screw-type is square threaded of outside diameter (7.5cm) and (6mm) pitch. Take the height of the nut (150mm). Determine 1) Force required at the rim of 30cm diameter hand wheel, assuming a coefficient of friction is 0.12. 2) The maximum compressive stress in the screw, bearing pressure on the thread, and shearing stress in the thread. 3) Efficiency of the straightener. Nut- 150 Hand wheel Screw 100- 150- 400 All dimensions in 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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