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16.54 An M12, coarse-pitch, Class-5.8 bolt with a hexagonal nut assembly is used to keep two machine parts together as shown in Sketch d. Determine the following: (a) Bolt stiffness and clamped member stiffness. Ans. kb = 297.5 MN/m, k; = 769.7 MN/m (Wileman). (b) Maximum external load that the assembly can support for a load safety factor of 2.5. Pmax,b = 11.5 kN. Ans.

16.54 An M12, coarse-pitch, Class-5.8 bolt with a hexagonal nut assembly is used to keep two machine parts together as shown in Sketch d. Determine the following: (a) Bolt stiffness and clamped member stiffness. Ans. kb = 297.5 MN/m, k; = 769.7 MN/m (Wileman). (b) Maximum external load that the assembly can support for a load safety factor of 2.5. Pmax,b = 11.5 kN. Ans.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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16.54 An M12, coarse-pitch, Class-5.8 bolt with a hexagonal nut assembly is used to keep two machine parts together as shown in Sketch d. Determine the following: (a) Bolt stiffness and clamped member stiffness. Ans. kib = 297.5 MN/m, k; = 769.7 MN/m (Wileman). (b) Maximum external load that the assembly can support for a load safety factor of 2.5. Pmax,b = 11.5 kN. Ans. (c) Safety factor guarding against separation of the members. Ans, ns = 3.20. (d) Safety factor guarding against fatigue if a repeated external load of 10 kN is applied to the assembly. Ans. ns = 2.36. MI2 coarse-pitch, class-5.8 bolt Aluminum 35 25 Aluminum Sketch d, for Problem 16.54
Transcribed Image Text:16.54 An M12, coarse-pitch, Class-5.8 bolt with a hexagonal nut assembly is used to keep two machine parts together as shown in Sketch d. Determine the following: (a) Bolt stiffness and clamped member stiffness. Ans. kib = 297.5 MN/m, k; = 769.7 MN/m (Wileman). (b) Maximum external load that the assembly can support for a load safety factor of 2.5. Pmax,b = 11.5 kN. Ans. (c) Safety factor guarding against separation of the members. Ans, ns = 3.20. (d) Safety factor guarding against fatigue if a repeated external load of 10 kN is applied to the assembly. Ans. ns = 2.36. MI2 coarse-pitch, class-5.8 bolt Aluminum 35 25 Aluminum Sketch d, for Problem 16.54
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