Nitriding furnace As a result of more than well furnace shape, are installed in the foundation pit, the workpiece into the material frame, and then use the crane lifting workpiece placed in the furnace bottom heating. In addition, can make the furnace mouth to strengthen the load-bearing design of the nitriding furnace, through lifting, hanging tools vertical hanging workpiece heating. The furnace cover of nitriding furnace is generally driven by motor reducer, and the electric automatic Take-off and landing. After the lid is closed, another pressing bolt ensures the vacuum sealing of the nitriding furnace. First vacuum, after the nitrogen nitriding heat treatment.