Induction Melting: Advancing Foundry Melt Shops with Induction Technology

Advancing Foundry Melt Shops with Induction Technology Foundries today face growing pressure to increase productivity, reduce energy consumption, enhance metallurgical control, and operate with greater environmental responsibility. Otto Junker’s portfolio of medium-frequency coreless induction furnaces and channel-type induction furnaces provides a technologically advanced solution designed to meet these requirements. These systems offer a combination of…

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Aluminum Fluxes 101

Flux for Aluminum

Basics of Furnace Cleaning, Dross Handling and Wall Cleaning JOHN REYNOLDS | Originally published Fall 2022 Casting defects, energy usage, metal recovery, ergonomics, and labor are cost variables addressed by properly identifying and applying fluxes for the aluminum casting operation. Proper selection and application are especially important to realize the benefits that flux can provide.…

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The Why’s and How’s of Fluxing Aluminum

Aluminum

FLUXING ALUMINUM Casting of Aluminum 101: Types of Melting Furnaces There are several types of furnaces that are used to melt aluminum. The most popular are: 1) Gas fired crucible furnaces 2) Reverberatory furnaces 3) Electric resistance furnaces. Schematic diagrams of these furnaces are shown below. There are a multitude of electric furnaces used to…

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Managing Coreless Induction Furnace Slag Build-Up

Coreless Induction Furnace

Coreless induction furnace fluxing will eliminate build-up on sidewalls, improve slag fluidity, improve electrical efficiency, keep furnace volumes and ladles constant, and extend refractory life. By Rod Naro In the past 60 years, melting methods of ferrous charge metals in coreless induction furnaces have changed dramatically. In today’s foundry industry, a major economic driver is…

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Managing Heat Loss In Iron Furnaces & Ladles

Managing Heat Loss Heat loss is a significant concern in many foundries as it costs money to heat iron to the required temperature. Therefore, it is essential to take measures to keep the iron at the desired temperature for as long as possible. One way to achieve this is by selecting the appropriate type of…

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Tips For Better Mag Recovery in Ductile Iron

Improving Magnesium ferrosillicon recoveries in ductile iron

Improving MgFeSi Recovery in Ductile Iron While using MgFeSi to produce ductile iron can be very cost-effective compared to alternative treatment methods, it can sometimes get out of hand with high usage rates.  Several benefits can be realized when improving the recovery of magnesium in producing ductile iron and lowering those addition rates. The addition…

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