of this type are designed for annealing
and hardening of metal parts of large dimensions
in the ambience of air at the maximum temperature
of 900 °C and 1280 °C.
These furnaces are
also used for burning of various ceramic products
in ceramics industry.
The load is put on the extractable tray by using
lifting devices. The furnace tray can be easily
loaded and unloaded from each of the four sides.
Furnace tray is mechanically or manually driven,
depending on the load weight and dimensions