| 摘要 |
The invention relates to a tool holder comprising a tool receiving portion for chucking a tool shaft in a friction-locked manner, said tool receiving portion consisting of a plurality of annular clamping surfaces that are spaced apart from one another, intended to hold said tool shaft in a force-fitting manner, and formed on the inner periphery of a sheath part which comprises a material recess for modifying the clamping effect thereof, said recess being formed from a plurality of annular channels extending in the peripheral direction and each separated from said tool receiving portion by a resilient wall section that forms the associated clamping surface on the side thereof that faces away from the channel. |
