1. A square-thread power screw has a major diameter of 32 mm and a pitch of 4 mm with double threads, and it is to be used in an application similar to the Figure. The given data include fc = 0.08, de = 40 mm, and F = 6.4 kN per screw. (a) Find the thread depth, thread width, pitch diameter, minor diameter, and lead. (b) Find the torque required to raise and lower the load. (c) Find the efficiency during lifting the load.
1. A square-thread power screw has a major diameter of 32 mm and a pitch of 4 mm with double threads, and it is to be used in an application similar to the Figure. The given data include fc = 0.08, de = 40 mm, and F = 6.4 kN per screw. (a) Find the thread depth, thread width, pitch diameter, minor diameter, and lead. (b) Find the torque required to raise and lower the load. (c) Find the efficiency during lifting the load.
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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Transcribed Image Text:1. A square-thread power screw has a major diameter of 32 mm and a pitch of 4
mm with double threads, and it is to be used in an application similar to the
Figure. The given data include fc = 0.08, dc = 40 mm, and F = 6.4 kN per screw.
(a) Find the thread depth, thread width, pitch diameter, minor diameter, and
lead.
(b) Find the torque required to raise and lower the load.
(c) Find the efficiency during lifting the load.
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