a turnbuckle is used to connect two rods, one having right handed and other, having left handed v-threads. the angle of v-threads is 60 degrees. the rods have a mean diameter of 2 cm and 3 threads per cm. the coefficient of friction between the rods and the nut connecting the rods is 0.15. find the torque required on the nut to produce a pull of 40 kn. assume that rods do not twist.
Answers
Answer:
The threaded portions of the rods are screwed to the coupler at the two ends. Some applications of turnbuckle are-
to tighten the members of the roof truss
to tighten the cables or the stay ropes of electric distribution poles; and
to connect the tie rod to the job in the case of jib-cranes.
Now to meet these requirements we need to design the threads in the two rods opposite-handed so that as the central coupler rotates, the rods are either pulled together or pushed apart depending upon the direction of the rotation of the coupler.
Step-by-step explanation:
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