| 摘要 |
A polishing head for use in a polishing machine for optical surfaces, having an axis of rotation and a base body having a holding structure intended to be arranged at a polishing spindle and having a transport element intended to be held at a tool change arm, the transport element being positionable against a holding element of the tool change arm in the axial direction relative to the axis of rotation in order to perform a tool change, wherein at least one locking element is provided which can be positioned against the tool change arm in the circumferential direction U such that a positive and/or non-positive joint results. A tool change arm of a polishing machine for optical surfaces, comprising a holding element intended to hold a polishing head having an axis of rotation, the holding element being positionable against a transport element of the polishing head in the axial direction in order to perform a tool change, wherein at least one guiding part is provided which, in relation to the polishing head, can be positioned against the polishing head in the circumferential direction U relative to the axis of rotation such that a positive and/or non-positive joint results.
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