Jam nut is a locking device in which | Machine design viva question and answers
A. A smaller nut is tightened against main nut creating friction at the contacting surface
B. A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut
C. A slot is cut in the middle of nut along the length and a cap screw is provided to tighten the two parts of nut separated by slot
D. An elastic piece is tightened in the nut by a set screw
Answer:A
Jam nut is a locking device in which | Machine design viva question and answers
A. A smaller nut is tightened against main nut creating friction at the contacting surface B. A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut C. A slot is cut in the middle of nut along the length and a cap screw is provided to tighten the two parts of nut separated by slot D. An elastic piece is tightened in the nut by a set screw