FL-HQ
Laboratory & Precision Casting Furnace
Bench and floor-standing furnaces from 1 kg to 100 kg with fast heat-up and tight temperature control, for R&D, dental, jewellery and investment casting.
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Industry Application
Melting Furnaces for Investment Casting and Precision Foundries
Small and medium furnaces with fast heat-up and tight temperature control for shell casting of stainless steel, superalloys and precision components.
Investment casting pours small quantities of expensive alloy into pre-heated shells within a short window. The furnace has to hit tapping temperature exactly, at the moment the shell is ready, without a long ramp that oxidises the melt.
Our precision casting furnaces reach 1,600 °C from cold in minutes with ±3 °C control, so the pour is scheduled around the shell rather than around the furnace. Argon purge chambers are available for reactive alloys and vacuum induction melting where cleanliness is specified.
What This Industry Has to Solve
The three problems that decide whether an installation in this industry pays for itself or becomes a maintenance liability.
01
Hitting the pour window
Fast heat-up and closed-loop temperature control mean the melt is ready when the shell is, instead of the shell waiting and cooling on the furnace.
02
Oxidation of reactive alloys
Argon purge chambers on the small furnaces and full vacuum induction melting on the VIM range keep aluminium, titanium and rare earth additions in the melt rather than in the slag.
03
Small batches, frequent alloy changes
Crucible melting with a lift-out or tilting pour makes an alloy change a crucible swap rather than a lining rebuild.
Recommended Equipment
The configurations we most often specify for investment casting operations.
FL-VIM
Vacuum Induction Melting Furnace
Melting and casting under vacuum or inert atmosphere from 5 kg to 2 tons, for nickel superalloys, titanium alloys, magnetic alloys and clean specialty steels.
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FL-GW-AS
Aluminium Shell Induction Melting Furnace
Lightweight aluminium-frame furnace for small and medium foundries — lower installed cost, faster relining, ideal below 3 tons.
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Steel and iron foundry melting
Coreless melting furnaces from 0.5 to 5 tons per body for grey iron, ductile iron, carbon and alloy steel castings, configured for continuous three-shift production.
Read MoreScrap recycling and re-melting
Melting plants for scrap processors converting mixed feed into saleable ingot or billet, with charge handling and fume extraction sized to the operation.
Read MoreForging and fastener heating
Through-heating and end-heating lines synchronised to your press, with automatic reject gates, quick coil changeover and low scale loss.
Read MoreTell 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.