Shaker hearth furnace using a reciprocating shaker motion are a type of continuous furnace that advances the parts along the hearth. They are used for producing variety of small and thin parts and materials. Whole process is automatic whereas the continuous operation reduces the number of rejects and skilled supervision required.

Features
Following are the features of shaker hearth furnace:

Buying Tips The insulation system, the muffle and the heating element should be properly checked before going for shaker hearth furnace. Application must be kept in mind before you select any furnace.

• Muffle is welded with strong alloys.
• Alloy welded muffle.
• Using quench chute with powered exhaust and quenchant curtain alloys, quench chute.
• The use of ceramic fiber insulation helps in the retention of heat.
• Excess temperature protection.
• With combustible design they are operated safely.

How it operates?
The operation is simple. The material is loaded through vibratory feeder on the hearth plate at the loading station. The material is heated continuously inside the muffle. After this it is held for the necessary time at required temperature before dropping into the integral quench tank.

Advantages
Following are the advantages of shaker hearth furnace:

• It heats the tray and the conveyor belts without wasting any heat thereby saving much required power.
• The material is heated uniformly.
• Whole operation is automatic.
• Regulation of temperature is easy.

Applications

• Hardening
• Carburizing
• Carbonitriding
• Austempering
• Martempering