ROTHENBERGER ROGROOVER 2 - 12 - Manual (Page 32)

31 ENGLISH
Upper
roller
size
Size
lathe
screw
Tube nominal
diameter
(inches)
Tube outer
diameter
(mm)
A+
0.5
(mm)
B+
0.5
(mm)
C+
0.5
(mm)
Lower
groove diameter
Max.(mm) Min.(mm)
Medium
Small
2” (DIN2440) 60 15.88 8.74 1.65 57.15 56.77
2-1/2” 76 15.88 8.74 1.98 72.26 71,80
Medium
3” 89 15.88 8.74 1.98 84.94 84.48
4” 108 15.88 8.74 2.11 103.73 103.22
4” 114 15.88 8.74 2.11 110.08 109.57
5” 133 15.88 8.74 2.11 129.13 128.62
5” 140 15.88 8.74 2.11 135.48 134.97
6” 159 15.88 8.74 2.16 153.21 152.45
6” 165 15.88 8.74 2.16 160.78 160.22
6” 168 15.88 8.74 2.16 163.96 163.40
Large Large
8” 219 19.05 11.91 2.34 214.40 213.76
10” 273 19.05 11.91 2.39 268.28 267.59
12” 325 19.05 11.91 2.77 318.29 317.53
OPERATION
Table 1
Tube outer diameter (mm)