Vacuum Induction Melting Furnace Pdf

The furnace consists of a refractory vessel or crucible surrounded by a water cooled copper induction coil.

Vacuum induction melting furnace pdf.

Vacuum induction melting vim is the melting of metal via electromagnetic induction under vacuum. The vacuum induction melting vim process involves the melting of metals by electromagnetic induction while under vacuum. An induction furnace containing a refractory lined crucible surrounded by an induction coil is located inside a vacuum chamber. 3 vacuum induction melting enables a precise adjustment of the alloy composition and melt homogenization of the master alloy.

The process involves the refining of metals and alloys and the removal of dissolved and chemical bonded impurities resulting in an end product that is clean and homogeneous. Induction coil to vacuum pumps fig. A new generation of industrial induction melting furnaces has been developed during the last 25 years. The vacuum induction process uses a completely enclosed airtight vessel under vacuum.

Vacuum induction heating graphitization furnace equipment function principle high temperature graphitization furnace is mainly used for battery anode material carbon material structural parts products c c composite material products carbon fiber carbon material carbon fiber rope sintering high temperature graphitization of phosphorus graphite and other graphite materials and others. Induction systems for vacuum and controlled atmospheres. Conventional air melting techniques. Drying and preheating systems.

Power window ladle systems. High resistance load hrl melting systems. Each vacuum induction furnace has a rated batch capacity of 2 000 kg. Ladle refining furnaces lrf.

The induction furnace is connected to an ac power source at a frequency precisely. Vacuum induction melting systems. A gas recycling system recovers the inert gas for reuse. 2 schematic of vacuum induction melting crucible shell coil stack backup lining and working lining asm handbook volume 15.

1st tilt the furnace to 30 to 400c and the power supply. Casting volume 15 handbook committee p 1 8 doi. To melt out a bridge after it has formed. Schematic design of a large scale atomization unit with a double door melting furnace chamber powder collection system of a large scale atomization unit the tundish cart can be moved sideways to a.

Indispensable for high purity metals current processing route for products cast from vim furnaces beside the primary vim melting of the so called master. Present practices followed in induction furnaces are discussed in this paper. In induction melting furnaces should be charged carefully to avoid bridging of the charge excessive temperature in the bath below the bridge can cause rapid erosion of the furnace lining and a dangerous run through which could cause an explosion.