Abstract
AbstractThis work describes the development and manufacture of micro and meso extrusion dies used to extrude metal materials. The die design was based on different extrusion angles and diameters of input materials. An extrusion die was made to input material measuring 1 mm and for reduction to 0.8 mm with a 30° angle of extrusion. For the same diameter of material, another two dies were manufactured with extrusion angles of 45° and 60°. For meso sized extrusion, another three dies were made and the diameter of the input material was 4 mm with a reduction to 3 mm and extrusion angles of 30°, 45° and 60°. During the machining of the extrusion dies, high speed steel (HSS) drills were used with a tip angle according to the extrusion angles. After machining, the dies were treated thermally and polished to diminish the friction coefficient between the part to be extruded and the die. The results of the machining process indicate that extrusion dies can be manufactured using quick HSS drill and polishing can be done using diamond paste with satisfactory results.
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