Not all springs are made in a conventional way. Consider the special steel spring in the illustration. (a) Find the pitch, solid height, and number of active turns. (b) Find the spring rate. Assume the material is A227 HD steel. (c) Find the force F, required to close the spring solid. (d) Find the shear stress in the spring due to the force F,. W KB - Term 120 mm- Formulas for the Dimensional Characteristics of Compression-Springs. (N. Number of Active Coils) 4C+2 4C-3 -3.4 mm End coils, Ne Total coils, N, Free length, Lo Solid length, L Pich, P C=D/d Plain 0 No pN₂ + d d(N₂ + 1) 14-d)/N k= 50 mm da G 8D³N Type of Spring Ends Plain and Ground 1 N₂ + 1 PIN₂ + 1) dN LAN₂ + 11 Squared or Closed 2 N₂ + 2 pN₂ + 3d dIN,+ 11 14-3d/N₂ Y=F/K Fs=k (Lo-Ls) Squared and Ground 2 N₂ +2 pN₂ + 2d dN, 14-20V/N₂ F= nd's 8K, D
Not all springs are made in a conventional way. Consider the special steel spring in the illustration. (a) Find the pitch, solid height, and number of active turns. (b) Find the spring rate. Assume the material is A227 HD steel. (c) Find the force F, required to close the spring solid. (d) Find the shear stress in the spring due to the force F,. W KB - Term 120 mm- Formulas for the Dimensional Characteristics of Compression-Springs. (N. Number of Active Coils) 4C+2 4C-3 -3.4 mm End coils, Ne Total coils, N, Free length, Lo Solid length, L Pich, P C=D/d Plain 0 No pN₂ + d d(N₂ + 1) 14-d)/N k= 50 mm da G 8D³N Type of Spring Ends Plain and Ground 1 N₂ + 1 PIN₂ + 1) dN LAN₂ + 11 Squared or Closed 2 N₂ + 2 pN₂ + 3d dIN,+ 11 14-3d/N₂ Y=F/K Fs=k (Lo-Ls) Squared and Ground 2 N₂ +2 pN₂ + 2d dN, 14-20V/N₂ F= nd's 8K, D
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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