Tunnel furnace for heat treatment of material to be treated, has transport element lubricants and turnable and/or transferable stocks or supporting items or rolling elements are provided between carrier and furnace main portion

摘要

The tunnel furnace has housing (5) with heater that is provided to heat a furnace chamber (5.1). A carrier (6) is provided with transport element (9) which transports material to be treated (1.1) to the furnace chamber in transport direction (A). The transport element lubricants and turnable and/or transferable stocks or supporting items or rolling elements are provided between the carrier and furnace main portion (4). The transport element is provided with planar or entire surface support for supporting the material to be treated.