Pusher Furnaces by CM Furnace

For applications requiring advanced Pusher Furnaces for continuous production, CM has a large family of standard and customizable solutions. These furnaces are designed for the tight control of temperature and atmosphere necessary for processes with long residence times that require exact control.  Our systems can safely operate in air, hydrogen, inert and most reducing gas environments. Our focus is on systems that offer the greatest operating life, lowest operating cost, and highest efficiency in your production line. To achieve that, all our furnaces are designed and built in the USA, and have been for over 70 years.

CM 400 Pusher furnace for continuous production

The CM 400 Hydrogen Pusher Furnace for Continuous Production

All our pusher furnace designs incorporate high grade alumina fiber or brick insulation, heavy duty heating elements, and advanced wall construction designs for a long lifetime of low maintenance operation.  Our 400A Series utilizes exposed molybdenum grid elements and high alumina insulating brick for our standard temperature range 1880°C (3415°F). The 400Z Series employ exposed tungsten rod elements and zirconia insulating brick for temperatures to 2200°C (3990°F).

Another unique furnace in CM’s line is the CM 500 series that are ideal for phosphor processing among other applications. These pushers are available in single or double configurations depending on throughput requirements. They can be used for either inert or inert/reducing atmosphere applications.

Typical configurations of our pusher furnaces include preheat sections, cooling sections and various optional features offered for specific applications. CM pusher furnaces see use in industries such as:

  • Metal Injection MoldingCM 400 Series Pusher Furnacemain_600
  • Lighting (Phosphor processing)
  • Powder Metals
  • Debinding / Delube
  • Refractory Metals
  • Bright Firing
  • Annealing
  • Brazing
  • Sintering
  • Heat Treating
  • Nuclear Fuel industry.

CM pusher furnace models incorporate a modular design approach that is highly customizable to the needs of clients. Our customized continuous production furnaces have served industries from the Nuclear fuel industry, to metal injection molding manufactures, and the heat treating of advanced materials requiring complex soak profiles.  With CM’s long experience in production furnace construction, you will find a partner with both standard and customized furnaces who can meet your needs reliably

Standard Technical Features of CM Pusher Furnaces

Pusher furnace stoker design

One of our Stoker Designs

  • Total system packaged in common frame including power and control components
  • Heavy Gauge Welded and Reinforced Steel Frame
  • Atmosphere Containment Doors with Protective Atmosphere Flushes
  • Molybdenum Rod Grid Elements (to 1880°C), Tungsten Rod Elements (to 2200°C)
  • Block Graded Brick Insulation Package
  • Water-Jacketed Cooling Section
  • Programmable Set Point Temperature Controller
  • Phase Angle-Fire SCR Power Controller
  • Independent Over-temperature Instrumentation
  • Type “C” Thermocouples

Optional features on our Pusher Furnaces include:

  • Preheat Sections
  • Wax and Binder Removal Sections
  • Multiple Zone Control
  • Low or High Dewpoint Features
  • Dewpoint and Oxygen Monitors
  • Turn-Key Automation with External Stoker
  • Data Recording Equipment
  • Cross feeds and return conveyor

Table of CM Pusher Furnace Models

Max Temperature Atmospheres Model No. Furnace Type/Applications
1700°C (3100°F) Hydrogen or other Reducing 300  Reducing/Sintering/Annealing processes
1850°C (3362°F) Hydrogen or other Reducing 400A  Reducing/Sintering/Annealing processes
2200°C (3992°F) Hydrogen or other Reducing 400Z  Reducing/Sintering/Annealing processes
1550°C (2822°F) inert reducing 500  Phosphor Processing
1150°C (2100°F) inert reducing 600  Brazing, Heat Treating
1700°C (3100°F) Air, Oxygen, Inert 700  Ceramics, Glass, Annealing, Firing/Co-Firing, Calcination

 Other CM Series Pusher Furnaces

CM400-seriesCM-400 Pusher Furnace