Short-Cut Method to Assess a Gross Available Energy in a Medium-Load Screw Friction Press

The present study proposed a rapid method, based on a previous universal compression tests, to estimate the required load capacity to cold forge different specimen quantity in a screw press. Accordingly, experimental and theoretical approach are performed to check new adjustable drive motor of the m...

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Bibliographic Details
Published in:Metals (Basel ) 2018-03, Vol.8 (3), p.173
Main Authors: Sánchez Egea, A.J., Deferrari, N., Abate, G., Martínez Krahmer, D., López de Lacalle, L.N.
Format: Article
Language:English
Subjects:
Assaig de materials
Cold pressing
compression load
Compression tests
Damage prevention
Deformation
Enginyeria dels materials
Enginyeria mecànica
Forging
forging load
frame stiffness
Fricció (Mecànica)
Friction
gross energy
Load
Metalls
Metals
pattern symmetry
Àrees temàtiques de la UPC
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Summary:The present study proposed a rapid method, based on a previous universal compression tests, to estimate the required load capacity to cold forge different specimen quantity in a screw press. Accordingly, experimental and theoretical approach are performed to check new adjustable drive motor of the modified forging machine to achieve a gross available energy to deform the specimens preventing damage of the forging machine. During the forging experiments, two screw friction presses (as-received and modified) are used to validate the theoretical approach. The modified press exhibits an increase of 51% of gross energy and 11% of maximum load capacity compare to the as-received press. This method is used to improve the effective of the forging process avoiding excessive loads that could promote machine failure. Therefore, a low-cost and easy to implement methodology is proposed to determine the energy and load capacity of a screw friction press to forge different specimen quantities with symmetry pattern configurations.
ISSN:2075-4701
2075-4701
DOI:10.3390/met8030173