The masses of the tup, frame (along with the anvil and the workpiece), and concrete block in the forging hammer shown in

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The Masses Of The Tup Frame Along With The Anvil And The Workpiece And Concrete Block In The Forging Hammer Shown In 1 (177.57 KiB) Viewed 25 times

The masses of the tup, frame (along with the anvil and the workpiece), and concrete block in the forging hammer shown in Fig. 5.51 are 1000 kg, 5000 kg, and 25,000 kg, respectively. The tup drops onto the workpiece from a height of 2 m. Design suitable springs kl and k2 for the following conditions: (a) The impact is inelastic that is, the tup will not rebound after striking the workpiece. (b) The natural frequencies of vibration of the forging hammer should be greater than 5 Hz. (c) The stresses in the springs should be smaller than the yield stress of the material with a factor of safety of at least 1.5. Assume that the elasticity of the soil is negligible 2 m 000 Tup (hammer) exe -Frame Foundation (concrete) block 8888888- Workpiece Anvil 000 Stiffness of elastic pad (k₂) 000 - Isolation (K₁)