Heat treatment unit for steel bow saw blades

摘要

In a heat treatment unit, a compact stack of workpieces of the same size and shape is inserted in a frame which can be coupled by carrier elements to a conveyor for transport through a series of vacuum chambers. In a workpiece heat treatment unit, which has a conveyor for transporting workpieces through several connected vacuum chambers, a resistance heating system, a cooling fan and a heat exchanger, a compact stack of workpieces of the same size and shape is inserted in a frame of profile sections which can be coupled by carrier elements to the conveyor.