In our new range of Sintering furnaces the sequence of dewaxing – sintering – cooling is achieved with a belt speed of 300mm/min. That superior speed represents an up to two fold improvement over our previous furnaces, allowing higher throughput with lower energy consumption and also requiring lower upfront investment.

The improved performance is enabled by our improved Stereadzone LED3, optimised heaters and a redesign in furnace geometry. The low energy dewaxing zone LED3 recycles the evaporated organic binders that are released from the PM parts via stoichiometric combustion. The heat generated in that process is used to maintain the furnace temperature.

Accelerated heat transfer is achieved via additional infrared heaters and an optimised furnace atmosphere, the so called “zoneing”. The sintering, zone, which is the section of the furnace where the actual sintering of the PM part occurs, is longer and surrounded by a gas-tight muffle, the height of which is adapted for the maximum height of the PM parts.

An important new feature of our furnaces is the ability to continuously monitor the gas atmosphere within the entire furnace, including the specific atmosphere in the dewaxing zone and also the inert gas atmosphere in the sintering and cooling zones. This allows improved process control resulting in the ability to quickly adapt process conditions for example to variations in the size or composition of PM parts or the density of PM parts on the belt, which guarantees continuous generation of products with high quality.

Process parameters can be monitored either directly by the operator sing the built in touch screen or remotely via a TCP/IP network connection.