Bogie hearth furnace is an industrial furnace, in order to facilitate the loading and unloading of the workpiece during the heat treatment process, the bottom of the box furnace body can be made into an active platform, the platform frame is composed of beams and longitudinal beams, and the guide wheel device under the longitudinal beam is to carry the workpiece and run, driven by the reducer drive sprocket wheel or manual walking platform on the track. Mainly used for: steel casting, auto parts, rolls, steel balls, metal structural parts, welding parts quenching, normalizing, annealing, tempering, baking and all kinds of mechanical parts heat treatment.