Technical data
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02.00|ROTA NCR |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 permissible imbalance for lathe chucks is quality class
G 6.3 as per 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)
Screw size
M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30
Admissible torque
M
A
(Nm)
13 28 50 88 120 160 200 290 400 500 1050 1500
Tightening torques for mounting screws used to attach top jaws
onto the chuck
(screw quality 12.9)
Screw size
M6 M8 M10 M12 M14 M16 M20 M24
Max. admissible torque M
A
(Nm) 16
30
50
70
130 150 220 450
3.4
3.5
4