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Induction heating offers many advantages over alternative forms of heating for aluminium and light alloys prior to extrusion. It is widely accepted that taper heating (longitudinal temperature gradient) and isothermal extrusion yield productivity and quality gains. Only induction can provide the flexibility and accuracy demanded by modern extrusion companies. Induction heating offers energy efficiency up to double that of fuel fired systems, is compact and environmentally beneficial both in global terms and for the operators.

Brass and Copper Alloy Billet Heating
Inductoheat's thyristor controlled heaters are well suited to the rapid heating needed to reduce scale/oxidation normally associated with conventional heating methods. Rapid induction heating also reduces the burn-out of alloying elements such as zinc, cadmium etc.

Ferrous billet heating
Induction heating of steel provides many benefits including:

• Reduced scaling giving superior accuracy and finish
• Reduced die wear
• Improved energy utilization
• Improved environmental issues as stipulated by E.P.A.
• Minimal radiant heat
• Repeatability and accurate temperature control
• Minimal decarburization from metal surface

Static Taper Heating
Inductoheat Banyard's development of the thyristor power cell has made accurate static taper heating possible. A static taper heating coil is divided into a number of independently controlled zones each with its own temperature thermocouples. This enables optimum temperature control.

Dynamic Taper Heater
The most precise temperature profile is achieved dynamically. The billet is heated to a base temperature statically after which the billet is ejected from the coil at a precisely controlled speed providing an accurate temperature profile. During the dynamic heating eject mode, each heating phase is switched off as the field extender passes through in order to save energy.

Booster
The Booster is a new design of low cost, compact induction boost taper heater for use with a gas induction pre-heater. The heater gives you a way of boosting your temperature, speed, control, production, quality, competitiveness and profits.

Static Billet Heater
Radyne's thyristor power control system enables an accurate even temperature along a billet length for brass, aluminium or special alloy extrusion.