Worm and Multi-Spur Reduction Gear Unit
Variable Speed A.C. D.C. Series or D.C. Shunt Wound
Enclosures: Standard SD 1 Ventilated Internal Fan Cooled (IP 20)
Alternative Totally Enclosed (IP 50) with Terminal Box (IP 54)
Gearbox Type:
SWS
Speed Range: 1.8 76 r.p.m.
SD 1 SWS
Voltage, Construction, Connections, Motor Performance
Specifications and Optional Extras
see pages 44 and 46 for full details.
(1 Nm = 8.85 lbs. ins.) (1 Nm = 10.2 cmkp)
68
FINAL
R.P.M.
OUTPUT TORQUE
(Nm)
WORM
RATIO
SPUR
Gearbox
Specification
Motor Speed
2500 r.p.m.
Series/shunt
Motor Rating
15 watts
SD 1 SWS
1.8
3.5
6.4
8.6
11.4
17
21
28
41.7
50
63
44:1
22
1
/
2
:1
12
1
/
2
:1
9
1
/
3
:1
9
1
/
3
:1
6
1
/
4
:1
12
1
/
2
:1
9
1
/
3
:1
6
1
/
4
:1
5
1
/
6
:1
4
1
/
8
:1
31.3:1
31.3:1
31.3:1
31.3:1
23.5:1
23.5:1
9.6:1
9.6:1
9.6:1
9.6:1
9.6:1
11
11
11
11
9
6
4.5
3.6
2.7
2.2
1.9
FINAL
R.P.M.
OUTPUT TORQUE
(Nm)
WORM
RATIO
SPUR
Gearbox
Specification
Motor Speed
3000 r.p.m.
Series/shunt
Motor Rating
38 watts
SD 1 SWS
2.2
4.3
7.7
10.3
14
20.5
25
33.5
50
60
76
44:1
22
1
/
2
:1
12
1
/
2
:1
9
1
/
3
:1
9
1
/
3
:1
6
1
/
4
:1
12
1
/
4
:1
9
1
/
3
:1
6
1
/
4
:1
5
1
/
6
:1
4
1
/
8
:1
31.3:1
31.3:1
31.3:1
31.3:1
23.5:1
23.5:1
9.6:1
9.6:1
9.6:1
9.6:1
9.6:1
11
11
11
11
11
11
9.6
7.7
5.7
4.8
4.1
80
32
64
25.4
Ø 29
Ø 26
32
33.5
6.6
13
42
11
47
11
30
68
43.2
36.8
80
80
92
197 (SD1 SWS T.V.)
215 (SD1 SWS)
72
SD 1 SWS
Dimensions in mm. Scale 1:4
Optional shaft at motor speed (lead end only) 7.93mm dia.
33mm long.
Approx. weight: SD 1 SWS 2.07 Kg
10mm dia. h6.
with 6mm flat
25.4mm long.
Available both sides.
Optional terminal box tapped 20mm
conduit or PG 13.5 on request.
Shown standard position entry R.H.S.
(Not available on SD 1 T.V.).
4 holes tapped M5
10mm deep.
Leads out here 30cm
Motor C
L