Reducing sleeve for a shrinking device for a tool holder and shrinking device for a tool holder

摘要

A reducing sleeve for a shrinking device (1) for a tool holder is described which has at least two segments (21a, 21b) which are movable relative to one another. DOLLAR A According to the invention, at least two segments (21a, 21b) of the reducing sleeve (20) are connected to one another by an elastic tensioning device (30) such that the at least two segments (21a, 21b) during the heating process of the inside ( 26) of the reducing sleeve (20) accommodated tool holder against the repelling force of the clamping device (30) are movable apart.