Clamping A Workpiece Into The Three Jaw Chuck - Optimum Optiturn TU 2807VB Betriebsanleitung

4.12.2 Clamping a workpiece into the three jaw chuck

When the workpiece is being clamped unprofessionally, there is a risk of injury as the work-
piece may fly off or the jaws may break. The following examples do not show all possible situa-
tions of danger.
Incorrect
EN
TU2807VB
118
Clamping length too short,
overhang too long.
Clamping diameter too
large.
Workpiece is too heavy
and clamping jaw is too
short.
Clamping diameter too
small.
Translation of original instruction
Correct
Additional support over
center or rest.
Larger
lathe necessary.
Support over center,
enlarged jaw.
Enlarged jaws are not
available for this three-jaw
chuck.
Possibly use larger lathe.
Clamping on the largest
possible diameter.
Version 1.0 - 2020-12-22
Operation