HSK (hollow taper shanks)
Term defi nitions of HSK-A interface for automatic tooling systems
Gripper groove: circular groove
Index notch: sickle-shaped notch across gripper groove
Keyway on collar:
index notch or for attachment in tool magazine or grippers.
With HSK-B/D also provides form closed torque transmission to spindle.
Coding/identifi cation:
bore in collar for attachment of identifi cation system (coding chip)
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Thread for coolant: for attachment of coolant supply set
Keyway on taper shank: form closed torque transmission to spindle
Radial bore in taper shank: necessary for manual clamping systems
Clamping shoulder: circular chamfer for drawing in the tool
Position of the tool edge of single-edged tools
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KEMMLER 13. 32