SEW-Eurodrive F 27 Series, Operating Instructions Manual

Page: 7 / 68

R..7, F..7, K..7, S..7, Spiroplan
®
W Gear Units – Operating Instructions
7
3
Gear Unit Design
3 Gear Unit Design
3.1 Basic design of a helical gear unit
Legend
The following illustrations represent design principles. They are merely reference tools
for the spare parts lists. Deviations according to gear unit size and design are possible!
03438AXX
Fig.1: Basic structure of helical gear units
181
41
42
3
43
2
45
47
59
102
100
101
59
20
1
59
30
32
4
34
5
7
8
19
9
12
11
17
25 88
521
522
523
6
37
506
507
508
39
131
31
24
22
517
516
515
1 Pinion 19 Key 42 Deep groove ball bearing 507 Shim
2 Gear 20 Breather valve 43 Key 508 Shim
3 Pinion shaft 22 Gear unit housing 45 Deep groove ball bearing 515 Shim
4 Gear 24 Lifting eyebolt 47 Circlip 516 Shim
5 Pinion shaft 25 Cylinder ball bearing 59 Screw plug 517 Shim
6 Gear 30 Deep groove ball bearing 88 Circlip 521 Shim
7 Output shaft 31 Key 100 Cover 522 Shim
8 Key 32 Spacer tube 101 Hex head screw 523 Shim
9 Oil seal 34 Cylinder ball bearing 102 Gasket
11 Deep groove ball bearing 37 Deep groove ball bearing 131 Cap
12 Circlip 39 Circlip 181 Cap
17 Spacer tube 41 Circlip 506 Shim