Workpiece holding device

Abstract

A workpiece holding device for holding a workpiece having a substantially radial inner surface and a substantially radial outer surface in a heat treatment system while the workpiece undergoes a thermal expansion and/or contraction, the workpiece holding device includes at least two clamping units configured to apply a radial clamping force to the workpiece to hold the workpiece in the workpiece holding device in a predefined position, each of the at least two clamping units including a clamping element configured to abut against the radially inner surface and/or against the radially outer surface of the workpiece and to apply a radial clamping force to the workpiece.

Dependencies are inferred from the claim text.