Shaker Hearth Furnace

Electrically heated continuous shaker hearth furnaces with quench tanks for processes such as hardening, carburizing on small screw, springs and balls. Temperature range up to 1900°F.


Shaker Hearth Furnace
  • Low Power Cost – no heat is wasted re-heating trays or conveyor belts; only work is heated
  • Uniform Results – automatic operation, uniform temperature and optional quench controls ensure identical heat treatment of each piece
  • Fully Adjustable – complete control of time and temperature is easily obtained
  • Production Design – rugged construction is used throughout to ensure trouble-free service


  • Alloy welded muffle
  • Alloy quench chute with powered exhaust and quenchant curtain
  • Lightweight molded ceramic fiber insulation with embedded resistance heating elements
  • Combustible atmosphere system for safe operation of equipment with combustible process atmospheres
  • Pre-wired free-standing control enclosure with interlocking fused disconnect
  • SCR power control
  • Excess temperature protection
  • Designed using FM, IRI, OSHA and NFPA guidelines


  • Oil and water quench tanks with three baskets (optional “conveyorized” quench tank)
  • HYEX® Exothermic atmosphere generator
  • HYEN® Endothermic atmosphere generator


  • Bright hardening
  • Bright carburizing
  • Carbonitriding