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DualTherm
Optimum Case Hardening Technology Using Cold Chamber High Pressure Gas or Oil Quenching

DualTherm is the natural evolution of vacuum thermal processing by separating high temperature functions from quenching functions. The furnace perfectly separates these two fundamental heat treating requirements. DualTherm operates on the traditional in/out principle and is ideal for applications requiring complete flexibility.

DualTherm designs are based on the proven technologies of the ModulTherm system and provides the same physical and metallurgical characteristics of the treated parts.  The DualTherm design has two distinct chambers that separate the heating and cooling processes, for faster heat-up times, less energy consumption, greater quenching intensity and less maintenance.  By separating the chambers, a broad range of materials can be processes including lower alloyed materials with greater cross-sections.

DualTherm can be equipped with vacuum carburizing (low pressure carburizing or LPC), low pressure carbonitriding, convection heating, and Helium and/or Nitrogen gas quenching.  This flexibility provides you the ability to design a system customized to meet your individual needs.  DualTherm is also available in the "Q" format with vacuum oil quenching.

 

    

Design Benefits:  Treatment chamber hot zone is not thermally stressed by high pressure/high speed quenching gas flow during quenching events; Maintaining steady temperature precludes the need to heat and cool the hot zone with each workload; a simplified baffle system enables alternating gas flow directions thereby providing quench distortion control; separate chambers prevent load handling equipment interference with heating and quenching processes; Quench gas distribution control provides homogenous, uniform quench flow.

Metallurgical Processes: Vacuum Carburizing (also known as Low Pressure Carburizing or LPC), Carbonitriding (LPCn), Neutral Hardening, Normalizing, Annealing, Spheroidize Annealing, Stress Relieving, Brazing.  All of these processes gain the advantages of vacuum processing.

Types Of Products:  Drive & Axle Components, Transmission Components, Shafts, Fasteners, Precision Machine Components, Castings & Forgings, Aerospace Components including those within the requirements of  AMS-2759/7.