Grades of Accuracy
Tolerances for radial and axial run-out accuracy correspond to the
Technical Supply Terms for lathe chucks as per DIN ISO 3442-3.
Permissible imbalance
The ROTA TP in ungreased state without T-nuts and top jaws
corresponds to the balancing quality class 6.3 (according to DIN
ISO 21940-11). Residual imbalance risks 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 lubricants. In order to prevent damage resulting
from these residual risks, the entire rotor is to be dynamically
balanced in accordance with DIN ISO 21940-11.
Torques per screw
Tightening torques for mounting screws used to clamp the chuck
on lathes or other suitable technical equipment (screw quality
10.9)
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