I need the answer quickly QI: A double-threaded 30-mm power screw is 30 mm in diameter with a pitch of 6 mm. The coefficients offriction are 0.05 for the collar and 0.08 for the threads. The frictional diameter of the collar is 40 mm. if Tg=18N.m:1- Find the A vertical load on the screw, the torque used to lower the load and screw efficiency.2- Compute all the stresses on the screw body that will cause by the load.

The power screws (also known as translation screws) transform rotational motion to translatory…

Answered: QI: A double-threaded 30-mm power screw…

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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1. “The grain size of metal sheet influences its formability in two opposing ways. The yield strength of a metal increases as the grain size decreases. So, the formability of a component may decrease if the grain size gets too small. Larger grained metals have better formability, but the roughened surface that results from stretching metal with grain sizes that are too large is unacceptable for many applications. During a recrystallization anneal new grains form in the metal. The final grain size depends on the annealing temperature and annealing time.” As shown in the figure below (1"x1" area under a 50Xmagnification microscope), a cold-rolled metal has been annealed at 550 degrees C for one hour. Calculate the ASTM Grain Size Number for the following condition: image attached
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