(3) A machine part of uniform thickness t = b/2.5 is shaped as shown and machined all over from AISI C1020, as rolled. The design is for indefinite life for a load repeated from 1,750 lb to 3,500 lb. Let d = b. (a) For a design factor of 1.8 (Soderberg), what should be the dimensions of the part? (b)What is the maximum tensile stress in the part as designed?

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Chapter4: Numerical Analysis Of Heat Conduction
Section: Chapter Questions
Problem 4.49P
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(3) A machine part of uniform thickness t = b/2.5 is shaped
as shown and machined all over from AISI C1020, as
2b
rolled. The design is for indefinite life for a load
repeated from 1,750 lb to 3,500 lb. Let d = b.
(a) For a design factor of 1.8 (Soderberg), what should
be the dimensions of the part?
(b)What is the maximum tensile stress in the part as
designed?
(4) The same as Problem No. 3, except that cycles of loading should not exceed 10.
Transcribed Image Text:(3) A machine part of uniform thickness t = b/2.5 is shaped as shown and machined all over from AISI C1020, as 2b rolled. The design is for indefinite life for a load repeated from 1,750 lb to 3,500 lb. Let d = b. (a) For a design factor of 1.8 (Soderberg), what should be the dimensions of the part? (b)What is the maximum tensile stress in the part as designed? (4) The same as Problem No. 3, except that cycles of loading should not exceed 10.
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