What is the MOS of a 14-20 bolt holding the beam below to the wall O...
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What is the MOS of a 14-20 bolt holding the beam below to the wall O O O O O Assume beam is 6061-T6, as is the wall. Assume the CoF is 1.5 Assume the bolt hole is oversized by 0.030" Assume the bolts go into inserts. Joint is not lubricated. You must use SAE Grade 2 Bolts. Assume all bolts are the same size Provide MOS for all relevant factors. If you were able to add a shear pin, what is the new MOS? Extra What diameter must the shear pin be? Assume it is 304 stainless steel, and a shear/dowel pin size that can be purchased. What is the minimum bolt size that can be used hold the beam in place? Note: the length includes the flange For simplicity, you can treat the flange as part of the beam, no need to consider it to be a larger area from shear/moment. 20 lbs 20 lbs 10 lb/in 10 lb/in L=6" 10 in Length = 24" 2 A B 0.19" flange 12 in Technical Data Suggested Tightening To Threads Below Yield FOS Values To Produce Corresponding Boll Clamping Load Values To Produce Corresponding Ultimate (1.4) Proof bead Load Tightening Torque SAE Grade 2 Bolts Tensile Size Bolt Dia. Stress Tensile Proof Area Strength Clamp Tightening Torque Tensile Load Load Dry Lub. D (in.) A (sq. in.) (min psi) (psi) P(lb.) K=0.20 K=0.15 Strength (min psi) Load Dry Lub. (psi) P (lb.) K=0.20 K=0.15 Ib. in. lb. in. lb. in. lb. in. 4-40 0.1120 0.00604 74,000 55,000 240 5 4 120,000 85,000 380 8 6 4-48 0.1120 0.00661 280 6 5 420 9 7 6-32 0.1380 0.00909 380 10 8 580 16 6-40 0.1380 0.01015 420 12 9 640 18 8-32 0.1640 0.01400 580 19 14 900 30 232 8-36 0.1640 0.01474 600 20 10-24 0.1900 0.01750 720 27 10-32 0.1900 0.02000 820 31 1/4-20 0.2500 0.0318 1320 66 1224 15 940 31 1120 43 32 23 1285 49 49 2020 96 75 2235 23 36 What is the MOS of a 14-20 bolt holding the beam below to the wall O O O O O Assume beam is 6061-T6, as is the wall. Assume the CoF is 1.5 Assume the bolt hole is oversized by 0.030" Assume the bolts go into inserts. Joint is not lubricated. You must use SAE Grade 2 Bolts. Assume all bolts are the same size Provide MOS for all relevant factors. If you were able to add a shear pin, what is the new MOS? Extra What diameter must the shear pin be? Assume it is 304 stainless steel, and a shear/dowel pin size that can be purchased. What is the minimum bolt size that can be used hold the beam in place? Note: the length includes the flange For simplicity, you can treat the flange as part of the beam, no need to consider it to be a larger area from shear/moment. 20 lbs 20 lbs 10 lb/in 10 lb/in L=6" 10 in Length = 24" 2 A B 0.19" flange 12 in Technical Data Suggested Tightening To Threads Below Yield FOS Values To Produce Corresponding Boll Clamping Load Values To Produce Corresponding Ultimate (1.4) Proof bead Load Tightening Torque SAE Grade 2 Bolts Tensile Size Bolt Dia. Stress Tensile Proof Area Strength Clamp Tightening Torque Tensile Load Load Dry Lub. D (in.) A (sq. in.) (min psi) (psi) P(lb.) K=0.20 K=0.15 Strength (min psi) Load Dry Lub. (psi) P (lb.) K=0.20 K=0.15 Ib. in. lb. in. lb. in. lb. in. 4-40 0.1120 0.00604 74,000 55,000 240 5 4 120,000 85,000 380 8 6 4-48 0.1120 0.00661 280 6 5 420 9 7 6-32 0.1380 0.00909 380 10 8 580 16 6-40 0.1380 0.01015 420 12 9 640 18 8-32 0.1640 0.01400 580 19 14 900 30 232 8-36 0.1640 0.01474 600 20 10-24 0.1900 0.01750 720 27 10-32 0.1900 0.02000 820 31 1/4-20 0.2500 0.0318 1320 66 1224 15 940 31 1120 43 32 23 1285 49 49 2020 96 75 2235 23 36
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Related Book For
Chemistry The Central Science
ISBN: 978-0321696724
12th edition
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
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