By Pradip Saha
Presents a entire advent to the explosion of data that has develop into on hand within the box of aluminum extrusion know-how over the past fifteen or two decades. DLC: Aluminum--Extrusion.
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Coakham, Temperature Changes Occurring during the Extrusion of Aluminum, Tin and Lead, J. Inst. , Vol 89, 1961–1962 2. R. Akert, A Numerical Analysis of Temperature Distribution in Extrusion, J. Inst. , Vol 95, 1967 3. D. Lahoti and T. Altan, Prediction of Metal Flow and Temperatures in Axisymmetric Deformation Processes, Proc. of the 21st Sagamore Army Materials Research Conference, 1974 52 / Aluminum Extrusion Technology 4. D. Lahoti and T. Altan, Prediction of Temperature Distribution in Tube Extrusion Using a Velocity Field without Discontinuties, Proc.
The force term is essential in determining the capacity of the extrusion press. The external force given by the extrusion press will determine the press capacity. For successful extrusion, the force balance has to be satisfied as follows: Fp > Fr where Fp is the force applied by the press, and Fr is the force required for extrusion. Force (compression power) applied by the press is given by: Fp = pA1 + p(2A2) (Eq 36) where A1 is the area of the main cylinder, A2 is the area of each side cylinder, and p is the applied hydraulic pressure to the cylinders as shown in Fig.
K. K. Ghosh, Temperature Distribution during Hot Extrusion of Aluminum—Theoretical Evaluation, Indian J. , Vol 17, 1979 Thermodynamics in Extrusion / 53 18. G. T. Yang, and S. , 1965 19. F. Castle, Temperature Changes in the Extrusion of Aluminum Alloys, Proc. Third International Aluminum Extrusion Technology Seminar, Vol 1, Aluminum Association and Aluminum Extruders Council, 1984 20. M. Lefstad, Die Temperatures in Aluminum Extrusions, Proc. Fourth International Aluminum Extrusion Technology Seminar, Vol 2, Aluminum Association and Aluminum Extruders Council, 1988 21.