Vacuum brazing refers to the heating of the workpiece in a vacuum chamber, which is mainly used for the welding of products requiring high quality and easily oxidized materials. The vacuum brazing furnace includes a pressure vessel having a cylindrical side wall and a door, the size and position of which are designed to close one end of the cylindrical side wall. The workpiece handling system is mounted on the pressure vessel door to support the metal workpiece for heat treatment or brazing. A workpiece handling system includes a device that rotates the workpiece during processing. The vacuum system can be connected to the workpiece so that the pressure inside the workpiece is lower than ...