A press with screw with ACME threads shown in Figure 2 has a rate load of 1500 N. The outside diameter of ACME screw is 30 mm, and its pitch is 3.5 mm. Coefficients of friction are u = 0.1 for the threads and le-0.15 for the collar. The collar diameter de = 23 mm. A force F= 30 N is applied at end the handle to operate the press, Design the length of the handle, L.

A press with screw with ACME threads shown in Figure 2 has a rate load of 1500 N. The outside diameter of ACME screw is 30 mm, and its pitch is 3.5 mm. Coefficients of friction are u = 0.1 for the threads and le-0.15 for the collar. The collar diameter de = 23 mm. A force F= 30 N is applied at end the handle to operate the press, Design the length of the handle, L.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter11: Columns

Section: Chapter Questions

Problem 11.2.4P: Repeat Problem 11.2-3 assuming that R= 10 kN · m/rad and L = 2 m.

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