What is a Muffle Furnace?

300-Series-Automated-672x372-1-300x300

While the term “Muffle Furnace” or “Retort Furnace” is still in use today, it doesn’t really mean the same thing as it did in the early 20th century when wood and coal were the primary ways to heat a furnace. A Muffle Furnace’s primary attribute is that it has separate combustion and heating chambers. The “Retort” is a gas sealed chamber Read More

The Use of Furnaces in 3D Printing

While manufacturers scramble to realize the full promise of 3D metal printing with new methods, better throughput and more accuracy, a survey of 3d Printing technology in 2017 shows that Powder Bed Fusion, or Direct Energy Deposition methods still dominate most equipment. Both these methods require a sintering phase where the printed part is purged of catalysts, and non-uniformities introduced Read More

Convenience of 3D Printing with High Volume Production

Annealing Furnace, Strand Anealer
3D Printing for High Volume Production Additive manufacturing or “3D printing” has come a long way since originally introduced in the 1980’s as a method to conveniently create prototype parts out of plastic.. Additive manufacturing can now be used with various materials including metal and ceramics, giving injection molders an alternative process for building parts. With new, highly sophisticated 3d Read More

Primer on Strand Annealing Furnaces

Annealing Furnace, Strand Anealer
In the late 1940’s continuous strand or strip annealing lines came into use in brass producing mills. The modern strand annealing tube furnace has for decades played the dominant role in annealing of wires, ropes and tubes made of stainless steel and nickel alloys. But what is the annealing process and how do CM furnaces specifically facilitate the strand annealing Read More

Sintering Furnace Selection Considerations

Production Sintering Furnace, Pusher Furnace

High-temperature sintering furnaces  are utilized in powder metallurgy for sintering stainless steel and, in some cases, iron-based materials. They are exclusively used in refractory-metal fabrication of molybdenum, tungsten and rhenium. High-temperature sintering furnaces are also utilized in the nuclear-fuel industry for sintering uranium oxide. The ceramic industry has always used high-temperature processes for sintering, co-firing and metallizing. To properly select and Read More

Production Furnace Throughput Defined

It is very common in several industries to discuss the output of a continuous furnace in terms of pounds/hour. This is an interesting number and easy to understand, however, it is misused most of the time. The origins of this output rating came from lower-temperature furnaces, specifically traditional mesh belts. If you were to speak with the belt manufacturers themselves, Read More

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