Control Heating Of Small Forging Using Oxy-Acetylene Flame

Emilia Shander, Andrew Abe (2007) Control Heating Of Small Forging Using Oxy-Acetylene Flame. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

My bachelor degree project comprises of designing and fabricating process. The chosen title is ' Control Heating of Small Forging Using Oxy-Acetylene Flame' . This project requires me to come out with a new idea of designing and fabricating a small furnace for 025mm x L75mm steel bar using oxy-acetylene flame. The existing furnace is the distinctive feature ofthe furnace and consist of fire-brick flues filled with bricks set on edge and arranged in such a way as to have a great number of small passages between them. The bricks absorb most of the heat from the outgoing waste gases and return it later to the incoming cold gases for combustion. This furnace operates at a high temperature by using regenerative preheating of fuel and air for combustion. In regenerative preheating, the exhaust gases from the furnace are pumped into a chamber containing bricks, where heat is transferred from the gases to the bricks. The flow of the furnace is reversed so that fuel and air pass through the chamber and are heated by the bricks. This project requires designing and inventing a small furnace for carbon steel bar forging with controllable heating distribution using oxy-acetylene flame. The design involves heat distribution on carbon steel for forging using oxy-acetylene flame. A small furnace needs to be designed in order to get the uniform heating on the particular carbon steel bar. The right temperature of oxy-acetylene flame produces uniform heating and the particular temperature should be before melting point ( - 900°c - 1200°c ).

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