26 02.00|ROTA TP |en
Grades of Accuracy
Tolerances for run-out accuracy and axial run-out accuracy corre-
spond to the Technical Supply Terms for lathe chucks as per DIN
ISO 3089.
Permissible imbalance
The ROTA TP in ungreased state without T-nuts and top jaws cor-
responds to the balancing quality class 6.3 (according to DIN ISO
1940-1). Risks of residual unbalance may arise due to insufficient
rotation compensation being achieved (see DIN EN 1550 6.2 e).
This applies particularly to high speeds, asymmetrical workpieces
or the use of various top jaws, as well as uneven application of lub-
ricants. In order to prevent damage resulting from these residual
risks, the entire rotor is to be dynamically balanced in accordance
with DIN ISO 1940-1.
Torques per screw
Tightening torques for mounting screws used to clamp the chuck
on lathes or other suitable technical equipment (screw quality
10.9)
Admissible torque
M
A
(Nm)
Tightening torques for mounting screws used to attach top jaws
onto the chuck (screw quality 12.9)
Max. admissible torque M
A
(Nm)
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