о о I have calculate F = F ns 500800x9.81 = 12753 F per screw = 5 25506 = 4251 6 As = 4251 960 x 0.29x0.55 = 27.76 mm Correct answer As:41,4 mm M10 = 25506 M 1,6 1,8 2 2,2 2,5 3 3,5 4 4,5 8 10 12 EHHNNN3344567802 60 55 HHNNNMM 45670002 mm 1,6 1,8 2.2 2,5 € 68 25 mm mm² 4.6 5.8 88 10.9 12.9 0,35 1,27 0,065 0.10 0.17 0,24 0,29 0,35 1,70 0,096 0,16 0,25 0,36 0,43 0.4 2,07 0,13 0,22 0,35 0,49 0.58 0,45 2,48 0,17 0,29 0,46 0,64 0,77 0,45 3,39 0,26 0,44 0,70 0.98 1,2 0,5 5,03 0,46 0,77 1,2 1,7 2,1 3,5 0,6 6,78 0,73 1,2 1,9 2,7 0,7 8,78 1,1 18 2,9 4.0 4,5 0,75 11,3 1,6 2,6 4.1 5,8 0,8 14.2 2,2 1 20,1 3,7 1 28,9 6,1 1,25 36,6 8,9 15 10 1,5 58 17 29 12 1,75 84,3 30 51 360597 3,6 5,7 8.1 TORL 3,3 4,9 7,0 9,7 ом 6.1 9.8 14 17 10.1 16.1 23 24 33 47 65 81 114 2473 27 40 79 136 7096
о о I have calculate F = F ns 500800x9.81 = 12753 F per screw = 5 25506 = 4251 6 As = 4251 960 x 0.29x0.55 = 27.76 mm Correct answer As:41,4 mm M10 = 25506 M 1,6 1,8 2 2,2 2,5 3 3,5 4 4,5 8 10 12 EHHNNN3344567802 60 55 HHNNNMM 45670002 mm 1,6 1,8 2.2 2,5 € 68 25 mm mm² 4.6 5.8 88 10.9 12.9 0,35 1,27 0,065 0.10 0.17 0,24 0,29 0,35 1,70 0,096 0,16 0,25 0,36 0,43 0.4 2,07 0,13 0,22 0,35 0,49 0.58 0,45 2,48 0,17 0,29 0,46 0,64 0,77 0,45 3,39 0,26 0,44 0,70 0.98 1,2 0,5 5,03 0,46 0,77 1,2 1,7 2,1 3,5 0,6 6,78 0,73 1,2 1,9 2,7 0,7 8,78 1,1 18 2,9 4.0 4,5 0,75 11,3 1,6 2,6 4.1 5,8 0,8 14.2 2,2 1 20,1 3,7 1 28,9 6,1 1,25 36,6 8,9 15 10 1,5 58 17 29 12 1,75 84,3 30 51 360597 3,6 5,7 8.1 TORL 3,3 4,9 7,0 9,7 ом 6.1 9.8 14 17 10.1 16.1 23 24 33 47 65 81 114 2473 27 40 79 136 7096
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
Related questions
Question
A lift with a counterweight is attached to the ceiling. The attachment is with 6 stainless and oiled screws. What screw size is required? What tightening torque?
- The lift weighs 500 kg and can carry 800 kg.
- Counterweight weight 600 kg
- Durability class 12.8 = 960 MPa
- Safety factor ns=5
+-Sr/Fm= 0.29
Gr =0.55
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