50 / 64
IOM Manual VF-W_ATEX_gb - Translation of original instructions in Italian - Rev 03_0 - 30/09/16
5.10 PREPARING CUSTOMER SHAFTS
Make the driven shaft to be coupled to the gearbox’s output shaft from a good quality steel, respecting the
dimensions given in the table. A device such as that illustrated below should also be installed to secure the
shaft axially. Take care to verify and dimension the various components to suit the needs of the application.
5.10.1 Wormgears, Serie VF:
Ø N1
Ø N2
DIN 332-DR
Ø N
VF 30 - VF 44
A1
A2
A3
B
B1 B2
C
D
E
F
G
R S
N
N1
N2 H
H1
UNI 6604
UNI 5739
VF 30
≥ 19 14 f7
13
53 18.5 16
40 6.5 6.5 16 5 h9 0.5 1.5 5x5x40 A
22 14 d9 5.5 4
2.5
M5x16
VF 44
≥ 23 18 f7
17
62 22.5 17
50
6
6 20.5 6 h9 0.5 1.5 6x6x50 A
27 18 d9 6.5 4.5
3
M6x20
VF 49
≥ 30 25 f7
24
80 20.5 39
20
2
2
28 8 h9 1 1.5 8x7x20 A
35 25 d9 9
7
5.5
M8x25
VF 130
≥ 52 45 f7
44 163 50.5 62
60 2.5 2.5 49.5 14 h9 2.5 2 14x9x60 A 60 45 d9 14 8.5 7
M12x35
VF 150
≥ 57 50 f7
49 173 53 67
70 2.5 2.5 53.5 14 h9 2.5 2 14x9x70 A 65 50 d9 18 10 8.5 M16x45
VF 185
≥ 68 60 f7
59 188 63 62
80 2.5 2.5 64 18 h9 2.5 2 18x11x80 A 75 60 d9 22 10 8.5 M20x50
VF 210
≥ 99 90 f7
89 258 83 92
80
3
3
95 25 h9 2.5 2.5 25x14x80 A 105 90 d9 26 22 20.5 M24x70
VF 250
≥ 121 110 h7 109 318 83 152 80
3
3 116 28 h9 2.5 2.5 28x16x80 A 125 110 d9 26 22 20.5 M24x70
