A set of five SAE Grade 2 bolts are installed to provide a clamping force of 20000 lb between two components of a machine operating under commercial conditions. The load is shared equally among these five bolts. Considering that each bolt is to be stressed to maximum 75% of its proof strength, the bolt diameter is most likely. O 3/8-16 UNC O 3/8-24 UNF 1/2-13 UNC O7/17-14 UNC

A set of five SAE Grade 2 bolts are installed to provide a clamping force of 20000 lb between two components of a machine operating under commercial conditions. The load is shared equally among these five bolts. Considering that each bolt is to be stressed to maximum 75% of its proof strength, the bolt diameter is most likely. O 3/8-16 UNC O 3/8-24 UNF 1/2-13 UNC O7/17-14 UNC

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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Figure 8-19 is a cross-section of ASTM A36. A total of N bolts are to be used to resist a separating force of 7258.97N is one bolt. A) Determine kb,km, and C B) Determine the realized load factor for overload, the yielding factor of safety, and the load factor of joint separation.
Problem 3: A Hexagonal bolt connects two members. The joint has a gap 1 = 2 in and the applied load is 2000 lb. Both of the clamped parts are steel. A preload of 90% the bolt's proof strength will be applied first. For this design, an SAE grade 1, 5/16"-18 UNC-2A bolt is chosen made from A307 with rolled threads. Washers are included between the head and the joint, and between the nut and the joint. Determine a suitable length for the bolt? Find its safety factor against yielding and against joint separation. Are these values acceptable?
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For a bolted assembly with six bolts, the stiffness of each bolt is kb = 1.8 Mlbf/in and the stiffness of the members is km = 16 Mlbf/in per bolt. An external load of 80 kips is applied to the entire joint. Assume the load is equally distributed to all the bolts. It has been determined to use 1/2 in-13 UNC grade 8 bolts with rolled threads. Assume the bolts are preloaded to 75 percent of the proof load. Determine the factor of safety based on the joint separation. The factor of safety based on the joint separation is
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