69
FINAL
R.P.M.
OUTPUT TORQUE
(Nm)
WORM
RATIO
SPUR
Worm and Multi-Spur Reduction Gear Units
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:
MWS
Speed Range: 1.4 150 r.p.m.
SD 1 MWS
Gearbox
Specification
Motor Speed
3000 r.p.m.
Series/shunt
Motor Rating
38 watts
SD 1 MWS
2.1
3.1
5
7
9
12
17
20
24
27
32
48
56
64
74
90
112
40:1
27:1
18 1/2:1
12 1/2:1
9 1/3:1
7 1/4:1
5 1/6:1
4 1/8:1
8 1/3:1
7 1/4:1
6 1/4:1
4 1/8:1
8 1/3:1
7 1/4:1
6 1/4:1
5 1/6:1
4 1/8:1
35.39:1
35.39:1
35.39:1
35.39:1
35.39:1
35.39:1
35.39:1
35.39:1
15.1:1
15.1:1
15.1:1
15.1:1
6.5:1
6.5:1
6.5:1
6.5:1
6.5:1
45
37.7
29.7
22.7
18.2
15.2
11.5
9.5
7.2
6.5
5.8
4.1
3.3
3.0
2.6
2.2
1.8
FINAL
R.P.M.
OUTPUT TORQUE
(Nm)
WORM
RATIO
SPUR
Gearbox
Specification
Motor Speed
4000 r.p.m.
Series/shunt
Motor Rating
50 watts
SD 1 MWS
2.9
4.2
6
9
12
16
22
28
32
37
42
64
74
85
99
120
150
40:1
27:1
18 1/2:1
12 1/2:1
9 1/3:1
7 1/4:1
5 1/6:1
4 1/8:1
8 1/3:1
7 1/4:1
6 1/4:1
4 1/8:1
8 1/3:1
7 1/4:1
6 1/4:1
5 1/6:1
4 1/8:1
35.39:1
35.39:1
35.39:1
35.39:1
35.39:1
35.39:1
35.39:1
35.39:1
15.1:1
15.1:1
15.1:1
15.1:1
6.5:1
6.5:1
6.5:1
6.5:1
6.5:1
45
37.2
29.3
22.4
18.0
15.0
11.4
9.4
7.1
6.4
5.7
4.0
3.2
2.9
2.6
2.2
1.8
80
64
233 (SD1 MWS)
215 (SD1 MWS T.V.)
7
51
Ø 34
40
95.3
20.2
62.3
Ø 60
95
112
3.4
60
45
107
72
SD 1 MWS
Dimensions in mm. Scale 1:4
Optional shaft at motor speed (lead end only) 7.93mm dia.
33mm long.
Approx. weight: SD 1 MWS 3.97 Kg
14mm dia. h6. Keyway 5mm
38mm long.
Available both sides.
Optional (either side): 4 holes
on 48mm P.C.D. Can be
tapped M5
11mm deep.
4 holes tapped M8
15mm
deep.
Leads out here 30cm
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.).
FINAL
R.P.M.
OUTPUT TORQUE
(Nm)
WORM
RATIO
SPUR
Gearbox
Specification
Motor Speed
2000 r.p.m.
Series/shunt
Motor Rating
25 watts
SD 1 MWS
1.4
2.1
3
5
6
8
11
14
16
18
21
32
37
42
49
60
75
40:1
27:1
18 1/2:1
12 1/2:1
9 1/3:1
7 1/4:1
5 1/6:1
4 1/8:1
8 1/3:1
7 1/4:1
6 1/4:1
4 1/8:1
8 1/3:1
7 1/4:1
6 1/4:1
5 1/6:1
4 1/8:1
35.39:1
35.39:1
35.39:1
35.39:1
35.39:1
35.39:1
35.39:1
35.39:1
15.1:1
15.1:1
15.1:1
15.1:1
6.5:1
6.5:1
6.5:1
6.5:1
6.5:1
45
37.2
29.3
22.4
18.0
15.0
11.4
9.4
7.1
6.4
5.7
4.0
3.2
2.9
2.6
2.2
1.8
Voltage, Construction, Connections, Motor Performance
Specifications and Optional Extras
see page 46 for full details.
(1 Nm = 8.85 lbs. ins.) (1 Nm = 10.2 cmkp)
Commutator series/shunt
Motor C
L
Motor C
L