5. The figure below shows a countershaft with helical gear (B), bevel gear (D), and two supporting bearings (A and C). All shoulder fillets (at points where diameter changes) have a radius of 5 mm. Note that the shaft is designed so that only bearing A takes thrust (There is a resultant force in the x- direction). F₂ = 0.3675Fy F₁ = 0.2625F (1) Forces act at 500-mm dia. D B 550 400 Fy = 1.37 kN D 400 450 F=5.33 kN 120 dia. E Keyway 80 dia. F= 1.37 kN (K 1.6 for bend and torsion; 1.0 for axial load all at the keyway. Use Cs = 1 with these values.) Forces act at 375-mm dia. (2) The shaft is made of hardened steel, with ultimate strength = 1069 MPa and yield strength = 896 MPa. All surfaces are finished by grinding, and a 99% reliability is desired. a) Find Fy on the 500 mm diameter bearing. (Hint: Use equilibrium of torques) b) Draw VMNT diagrams for the shaft in the xy and xz planes.

5. The figure below shows a countershaft with helical gear (B), bevel gear (D), and two supporting bearings (A and C). All shoulder fillets (at points where diameter changes) have a radius of 5 mm. Note that the shaft is designed so that only bearing A takes thrust (There is a resultant force in the x- direction). F₂ = 0.3675Fy F₁ = 0.2625F (1) Forces act at 500-mm dia. D B 550 400 Fy = 1.37 kN D 400 450 F=5.33 kN 120 dia. E Keyway 80 dia. F= 1.37 kN (K 1.6 for bend and torsion; 1.0 for axial load all at the keyway. Use Cs = 1 with these values.) Forces act at 375-mm dia. (2) The shaft is made of hardened steel, with ultimate strength = 1069 MPa and yield strength = 896 MPa. All surfaces are finished by grinding, and a 99% reliability is desired. a) Find Fy on the 500 mm diameter bearing. (Hint: Use equilibrium of torques) b) Draw VMNT diagrams for the shaft in the xy and xz planes.

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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