Pull studs
The pull stud allows the locking drawbar of the spindle to pull the toolholder
fi rmly into the spindle and to release the toolholder automatically.
Pull studs are made in various styles and sizes. They are not necessarily
interchangeable.
Only use the pull studs that are specifi ed by the machine tool manufacturer.
Locking Drawbar
Pull Stud
Clamping
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Unclamping
Recommended torque for pull stud tightening:
SK / BT / ISO 30 20~25 Nm
SK / BT / ISO 40 60~80 Nm
SK / BT / ISO 50 200~250 Nm
13
KEMMLER 13. 30