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Nature of Business
ManufacturerContinuous Billet Heating
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Metal billets are heated prior to forming operations (forging or extrusion, for example). Heating the metal softens it and makes it malleable. If the metal is heated too much, then excess time and energy is used and damage can occur as extra heat is generated during the deformation process. If the billet is not heated enough, then the cool billet will be too hard to form or it may not achieve the desired hardness properties upon cooling. If the billet is too hard, it may not flow to the required shape and it may cause excessive die wear.
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Die Heating Oven
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Properly used, the die oven should heat the tooling to the desired temperature without regard to where each tool is placed in the oven. The tool’s time in the heater should be carefully managed: if not heated long enough the die may break; if heated too long the hardness will be lost (also resulting in breakage), and oxidation or pitting of the surfaces may occur.
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Continuous Press Extrusion
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The principle of the extrusion process is based on the action of a rotating wheel that drags and push the feed material by means of the frictional force existing between them. The Conform process has several advantages over the traditional extrusion processes. The preheating phase may be neglected, so that furnaces for heating are not necessary; furthermore, the product is continuous and welding phase of the billets is not required. The influence of three operative parameters, die geometry, velocity and die cooling rate, has been analyzed in this paper by means of an “outranking approach” able to give precious indications for the assessment of the process.
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