Heat treating is a process of applying thermal energy on materials and chemicals to manipulate chemical reactions to control the material characteristics, adhesion and bonding, removal of inpurities. On metals, materials are heated to some appropriate temperature below the melting point, then the rate of cooling down is controlled to obtain required hardness or other characteristics (quenching, tempering, annealing).

-For the heat treating equipment, there are manual batch type heat treating furnaces, and automated process furnaces where conveyors, transfer systems, and tunnel furnace are combined.

-For the heat treating equipment, there are manual batch type heat treating furnaces, and automated process furnaces where conveyors, transfer systems, and tunnel furnace are combined.

-On the other hand, automated heat treating furnaces are capable of precisely stabilized heat treatments by controlling the conveyor speed and temperature distribution of tunnel furnace entrance, central area, and exit area. However, once the system is powered down, it may take a long time for the furnace temperature to again become stable, and may incur higher electrical costs as well.

-As seen above, the automated methods would produce great results when highly accurate and stable heat treatments are required

-When even more accurate heat distribution is desired, the total thermal volume (how many item to be heat treated are loaded), and temperature curve by pre-heating process are controlled.