Electric Resistance -
Square Crucible Melting Furnace
EM-B Series
TECHNICAL OVERVIEW
EM-B is a stationary electric crucible furnace with a square crucible and electric resistance heating. It melts and holds aluminum for suitable batch casting schedules, while the fixed crucible supports controlled bale-out or dip-out removal. As an electric crucible melting and holding furnace, its published model table separates usable holding capacity from hourly melting rate. Select both values to match the production rhythm rather than assuming a larger bath alone meets peak demand.
Choose EM-B when a stationary square crucible furnace and ladle-based removal fit the plant layout. The square opening can simplify charging of suitably sized clean ingots and prepared returns; it does not establish universal superiority over a round crucible. Compare the EM-A round electric crucible furnace for a different crucible geometry, and the EM-C electric tilting crucible furnace where controlled furnace discharge is required. The electric resistance bale-out furnace should be specified around charge size, melt rate, holding reserve, utilities, operator access and transfer route.
The EM-B is an electric resistance crucible furnace using removable silicon carbide heating rods, a fixed square crucible, refractory insulation and the specified control package. Its stationary layout avoids a hydraulic tilting mechanism; the receiving ladle and dip-out method still need their own safety and access plan. Review Dynamo’s aluminum furnace selection guide for broader equipment choices before final sizing.
NO ON-SITE COMBUSTION
Electric Heat for a Defined Plant Energy Mix.
HIGHEST RETURN ON INVESTMENT
We Give You More Furnace For Your Money.
High Thermal Efficiency BY DESIGN
We Add Multiple Layers of Insulation.
THICKER INSULATION
We Add Way More Insulation to Our Furnaces Than Most Manufacturers.
Easy to Operate INTERFACE
Greater Control - Means Greater Efficiency.
SILICON CARBIDE HEATING RODS
Superior Quality and Long Life.
EASY & FAST HEATING ROD REPLACEMENT
You Can Replace a Heating Rod Without Removing the Crucible.
CHOOSE YOUR CONTROL SYSTEM
We Give You Options of PLC & HMI.
HIGH QUALITY COMPONENTS
We Use Brand Name Components You Know and Already Use.
REMOTE SERVICE
We Can Remotely Troubleshoot Your Furnace from Our Facility.
INDUSTRY 4.0 REMOTE MONITORING
Remotely Monitor Your Furnace Performance From Any Device.
Ten Standard SIZES
Flexible Range of Applications.
| Standard | US / Imperial (Al) | Metric (Al) | ||
| Model | Holding | Melting/h * | Holding | Melting/h * |
| EM-B-220 | 220 lb | 88 lb | 100 kg | 40 kg |
| EM-B-330 | 330 lb | 110 lb | 150 kg | 50 kg |
| EM-B-550 | 550 lb | 176 lb | 250 kg | 80 kg |
| EM-B-660 | 660 lb | 220 lb | 300 kg | 100 kg |
| EM-B-770 | 770 lb | 226 lb | 350 kg | 130 kg |
| EM-B-1100 | 1100 lb | 350 lb | 500 kg | 160 kg |
| EM-B-1300 | 1300 lb | 440 lb | 600 kg | 200 kg |
| EM-B-1750 | 1750 lb | 550 lb | 800 kg | 250 kg |
| EM-B-2200 | 2200 lb | 770 lb | 1000 kg | 350 kg |
| EM-B-3500 | 3500 lb | 880 lb | 1600 kg | 400 kg |
Applications For The EM-B Series Aluminum Square Crucible Melting Furnace
The EM‑B Series is ideal for foundries that require exceptionally clean molten aluminum with minimal oxidation and hydrogen pickup. Because the furnace uses electric resistance heating, there are no combustion gases, no flame impingement, and no burner‑related contamination. The square crucible design promotes uniform heat transfer, resulting in stable melt conditions and reduced dross formation. This makes the EM‑B Series a strong fit for producing high‑quality castings where metallurgical cleanliness directly affects product performance.
The EM-B Series can supply molten aluminum to gravity, sand and permanent-mold casting when its melting rate and holding reserve match the schedule. Its fixed square crucible supports hand ladling or a planned dip-out aluminum furnace workflow. Size the receiving ladle, transfer distance, access and metal temperature together; the furnace does not pour by tilting.
Electric melting is highly valued in die‑casting environments where temperature stability and melt cleanliness are critical. The EM‑B Series delivers clean molten aluminum with extremely tight temperature control, making it ideal for feeding small high‑pressure die‑casting (HPDC) and low‑pressure die‑casting (LPDC) cells. Its compact footprint and low noise level make it suitable for placement near casting machines, improving melt logistics and reducing heat loss during transfer.
The EM‑B Series provides a stable, low‑turbulence environment for alloying and melt treatment. Operators can add alloying elements, perform degassing, and maintain precise temperature control before transferring metal to casting equipment. The square crucible geometry enhances heat distribution, ensuring uniform alloy composition and improved metallurgical consistency. This makes the furnace ideal for producing high‑performance aluminum alloys used in automotive, aerospace, and industrial applications.
The EM‑B Series is an excellent choice for research labs, prototype shops, and low‑volume production environments that require clean molten aluminum in small batches. Its electric heating system provides fast heat‑up, precise temperature control, and quiet operation — all valuable in controlled testing environments. Facilities benefit from lower operating costs, reduced metal loss, and the ability to melt small quantities without the overhead of a large industrial furnace.
Use suitably sized, clean and dry aluminum ingots, runners, returns or prepared production scrap that fit the selected crucible and charging method. Whole sows or contaminated material should not be assumed suitable for this stationary square-crucible furnace. Confirm alloy segregation, charge geometry and moisture controls for each installation.
Electric melting is inherently energy‑efficient, and the EM‑B Series maximizes this advantage with high‑performance heating elements and thick refractory insulation. The closed‑chamber design minimizes heat loss, while precise temperature control prevents overheating and unnecessary power consumption. For facilities seeking to reduce energy costs without compromising melt quality, the EM‑B Series offers a highly economical solution.
The EM‑B Series is ideal for facilities that need a reliable melting furnace with minimal maintenance requirements. With no burners, no fuel trains, and no combustion‑air systems, electric melting dramatically reduces routine service needs. The stationary design has fewer mechanical components than tilting or automated systems, improving uptime and lowering long‑term operating costs. This makes the EM‑B Series a practical, dependable melting solution for small foundries, job shops, and aluminum casting operations.
Frequently Asked Questions About The EM-B Series Aluminum Square Crucible Melting Furnace
The EM‑B Series provides exceptionally clean and stable melting because it uses electric resistance heating instead of combustion. With no burners, no flame, and no exhaust gases, oxidation and hydrogen pickup are dramatically reduced — two major contributors to porosity and dross formation in aluminum casting. Electric heating also delivers precise temperature control, quiet operation, and lower maintenance requirements. For facilities that prioritize melt cleanliness, energy efficiency, and process stability, the EM‑B Series offers a clear performance advantage over gas‑fired systems.
A square crucible can offer a different charging opening and bath geometry from a round crucible. The practical benefit depends on the model dimensions, charge size and operating method, not the shape alone. EM-B serves stationary bale-out or ladle-transfer duty; compare EM-A for a round electric crucible and EM-C where furnace tilt is needed.
The EM-B can be evaluated for clean, dry, appropriately sized aluminum ingots, runners, returns and prepared production scrap. The charge must fit the selected crucible and match the alloy, melt schedule and safe handling procedure. Whole sows, wet scrap and contaminated feed are not implied by the general furnace description.
Yes — the EM‑B Series is designed for continuous melting in small and medium‑scale aluminum foundries. Its electric heating elements provide stable, repeatable temperature control with minimal fluctuation, making it ideal for long production cycles. The furnace’s robust insulation ensures excellent thermal efficiency, while the stationary design reduces mechanical wear and maintenance requirements. For facilities seeking a reliable, low‑maintenance melting solution that can operate continuously, the EM‑B Series performs exceptionally well.
Yes — EM‑B Series electric aluminum crucible melting furnaces are available throughout the United States, Canada, and Mexico. Foundries, die‑casting plants, and aluminum processors rely on these furnaces for clean melting, precise temperature control, and low operating costs. Regional availability ensures faster delivery, dependable technical support, and access to replacement parts. Units can be configured with various crucible sizes, power ratings, and control options to meet specific production requirements.
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