The effective handle length of a wrench is 30 cm. The bolt is made of grade 5 steel. What is the minimum diameter of the bolt that can be tightened with this tool if a force of 50 N is applied and you want to respect a safety factor of 6 on the bolt?
The effective handle length of a wrench is 30 cm. The bolt is made of grade 5 steel. What is the minimum diameter of the bolt that can be tightened with this tool if a force of 50 N is applied and you want to respect a safety factor of 6 on the bolt?
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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Question
The effective handle length of a wrench is 30 cm. The bolt is made of grade 5 steel. What is the minimum diameter of the bolt that can be tightened with this tool if a force of 50 N is applied and you want to respect a safety factor of 6 on the bolt?
Answer: 9.04mm

Transcribed Image Text:Tableau B.2: Propriétés physiques de quelques boulons et rivets
SAE grade 1
SAE grade 2
qualité douteuse
SAE grade 5
ASTM-A 325
qualité commune
SAE grade 8
ASTM-A 345
qualité supérieure
Rivet (commun)
Ou
MPa
E
Tu
MPa GPa
448 336
827 620
207
207
Rivet (qualité supérieure) 517 389
393 295 200
200
G
GPa
79
1034 775 207 79
79
79
79
α
×10-6 °C
11,7
11,7
11,7
10,7
11,7
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