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SINC Thermal, an industrial furnace maker, logo in red and black

Industrial Crucible Furnaces
For Melting / Holding Aluminum & Metal Alloys

Crucible-type furnaces for melting aluminum and other alloys are the simplest and most flexible melting and holding furnaces for both large and small foundries. They are simple to operate, maintain and allow for quick alloy changes. With the smallest installation footprint of SINC Thermal’s product line, crucible melting furnaces for aluminum allow for close installation at point-of-use.

Crucible Melting Furnaces For:


– Aluminum & Alloys
– Zinc & Alloys
– Magnesium & Alloys
– Lead & Alloys
– Non-Ferrous Metals

Crucible Holding Furnaces For:


– General Holding
– Melted Aluminum
– Melted Magnesium
– Melted Zinc
– Non-Ferrous Metals
View Crucible Furnace Spec Sheet

For Industries & Uses In

Non-ferrous Castings Industry
High-pressure Die Casting
Low-pressure Die Casting
Sand Casting
Permanent Mold – Gravity Die Casting

OEM Crucible Furnace Manufacturing – Construction & Design

When designing crucible melting / holding furnaces for aluminum and alloy casting, many considerations are taken into account. Below are some of the main requirements that we'll discuss when building your melting / holding furnace. Contact us to start discussing what's needed from your equipment and which configuration is best suited to be integrated at your facility.
Style & Configuration
Stationary, tilting and transportable versions available.
Heating
Power Source
Electric and fuel-fired: natural gas, propane, town gas, or oil.
Capacity &
Capabilities
Melt, melt & hold or hold; up to 4,000 lbs of aluminum and 18,000 lbs magnesium.
Output
Methods
Hand ladle, auto ladle, dosing/pump or direct-pour methods are available.

Additional Considerations:

– Type of charge material and mix.
– Volume demand of molten metal every hour.
– Transfer rates and ladle size.
– Holding temperature requirements.
– Alloy to be melted, held and cast; aluminum, zinc, magnesium.
– Degassing requirements prior to casting.
– Central melt or “point-of-use” melting.
– Working hours: 8x5 days shift up to 24/7 continuous.
– Burners and power-connection-points orientation and placement.
– Emergency run-out port orientation and placement.
– Manual or pneumatically-operated functions.

Lids are available in several types and styles:

– Manual lift off lid (best for smaller crucible configurations).
– Split lid:  allowing 1/2, 1/3 or 2/3 of crucible-opening access.
– Full-hinged cover/lid.
– Lift-and-swing-aside cover.
–Dome cover: allowing for ingot charging above the crucible top.
electric, square-bodied industrial crucible furnace in sinc thermal red

Electric Crucible Furnaces - Models & Specs

SINC Thermal provides a wide array of crucible furnaces that vary in capacity, heating power, melt rate and configuration. Please view our inventory to find the best match for your operation. Custom configurations are available. Please contact us if you would like to discuss other custom requirements.
All SINC thermal electric crucible furnaces are designed and built with the same attention to detail and have a robust steel frame with carefully selected refractory insulation for maximum efficiency. Heating elements are a common plate-style element, sized according to performance. Electric melting furnaces come in both round and square body configurations. All elements are wired-in-parallel to provide consistent performance; if one element fails the furnace will continue to operate. A power-selection option allows for energy saving during hold-only or idle periods.
Square Body (SQ) Series
Round Body (RD) Series
Tilting (SQ-T) Series
Transpo (STL) Series

Square Bodied Crucible Furnaces – Electric

Configurations & Options

– Pneumatic, lift-up dome cover.
– Swing-aside crucible cover.
– Split-butterfly cover.
– Pneumatically operated, split-butterfly cover.
– Hinged, lift-up crucible cover.
– Portability package.
– Leak detector.

*Melt rate assumes a 2/3 heel of molten metal at temperature. Standard holding temperature = 1,325°F (~720°C).
square-bodied-electric-crucible-furnace

Round Bodied Crucible Furnaces – Electric

Configurations & Options

– Pneumatic, lift-up-dome crucible cover.
– Swing-aside, crucible cover.
– Split-butterfly cover.
– Pneumatically operated, split-butterfly cover.
– Hinged, lift-up crucible cover.
– Leak detector.

*Melt rate assumes a 2/3 heel of molten metal at temperature. Standard holding temperature = 1,325°F (~720°C).
electric, round-bodied industrial crucible furnace in sinc thermal red

Tilting Crucible Furnaces – Electric

Configurations & Options

– Pneumatic, lift-up dome cover - included.
– Leak detector optional.

*Melt rate assumes a 2/3 heel of molten metal at temperature. Standard holding temperature = 1,325°F (~720°C).
tilting crucible furnace with square body on steel frame.

Transportable Crucible Furnaces – Electric

Configurations & Options

STL series furnaces are available with overhead crane gantry or installed fork pockets.

– Pneumatic, lift-up dome cover included.
– Hinged, lift-up crucible cover option.
– Leak detector option.

*Melt rate assumes a 2/3 heel of molten metal at temperature. Standard holding temperature = 1,325°F (~720°C).
electric crucible furnace in red transportable

Gas-Fired Crucible Furnaces - Models & Specs

SINC Thermal offers two types of gas-fired crucible furnaces. We're able to build a furnace to meet your operational needs of melt rate, volume capacity, power and specs for use. Please view our inventory of energy-efficient and compact furnaces to find the best match for your operation. Custom configurations are available. Please contact us if you would like to discuss other custom requirements. Gas-fired furnaces from SINC Thermal are designed and built with quality craftsmanship and attention to each detail. Each furnace is built around a robust steel frame and include carefully selected refractory insulation for maximum efficiency.
Compared to electrically powered furnaces, gas-fired units offer faster melting rates than electric furnaces and are suitable for higher melting point alloys such as those that are copper based. They provide excellent temperature control from the use of high turndown ratios and use easy-to-maintain package burners. SINC Thermal's gas-fired crucible furnaces are suitable for melting and/or holding alloys of aluminum, zinc, copper and magnesium. Our product line offers flexible melting and holding capacities of up to 2,400 lbs of aluminum and rates of up to 1,200 lbs/hr. These units are suitable for use with natural gas, LPG (liquid propane gas) and propane as a fuel source.
Stationary Crucible - Gas Fired
Tilting Crucible - Gas Fired

Stationary Crucible Furnaces – Gas Fired

Configurations & Options

– Pneumatic, lift-up dome crucible cover.
– Swing-aside crucible cover.
– Split-butterfly cover.
– Pneumatically operated, split-butterfly cover.
– Hinged, lift-up crucible cover.
– Leak detector.

*Melt rate assumes a 2/3 heel of molten metal at temperature. Standard holding temperature = 1,325°F (~720°C).
sinc thermal round bodied crucible furnace, gas fired connections for industrial use in red.

Tilting Crucible Furnaces – Gas Fired

Configurations & Options

– Pneumatic, lift-up dome crucible cover.
– Pneumatically operated, split-butterfly cover.
– Hinged, lift-up crucible cover.
– Leak detector.

*Melt rate assumes a 2/3 heel of molten metal at temperature. Standard holding temperature = 1,325°F (~720°C).
gas-fired, tilting crucible furnace for aluminum melting by sinc thermal
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