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Representative medium frequency induction heating system in a workshop

Induction Heating Systems · FL-IH-BIL

GTR Series Induction Billet Heating Furnace for Forging and Extrusion Lines

GTR series through-heating line for round and square billets, with pyrometer control, hot and cold reject gates and press synchronisation.

  • Automatic hot and cold reject gate before the press
  • Press synchronisation — no overheating during a stoppage
  • Low scale loss, so less die wear and less descaling
  • No warm-up: first billet to temperature within minutes of start
  • Quick-change coil cassettes for different billet sizes
  • Energy metering per ton for production costing
Series
GTR medium frequency induction forging heating furnace
Billet diameter
20 – 300 mm round or square
Billet length
50 – 1,200 mm
Heating temperature
Up to 1,250 °C
Core-to-surface ΔT
≤ 40 °C at 200 mm diameter
Temperature control
Two-colour pyrometer, closed loop
Power supply
IGBT or KGPS, 100 – 3,000 kW
Scale loss
Substantially lower than a gas-fired furnace

Product Details

The GTR series is our medium-frequency induction forging heating range. A billet heater brings the whole cross-section to forging temperature with a controlled core-to-surface differential, which is what a press needs to avoid centre defects on the first blow.

Handling is a walking beam or pinch-roll feed with a heat-up section and a soaking section. Billets that fall outside the temperature window are diverted by an automatic reject gate before they reach the press — the single most valuable feature on the line, because a cold billet costs a die.

The line synchronises with the press so heating stops when the press stops, and restarts on a controlled ramp. That avoids the overheated billets a gas furnace produces on every stoppage.

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Tell us what you melt.

Send your alloy, target output per hour, working hours and grid voltage. You will get a capacity recommendation, a plant layout and a firm quotation — normally within three working days, no obligation.