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Right-Angle Gearbox - Electrocraft - #5

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ElectroCraft G240 SERIES
G240 Series Performance Specifications
r—2.50 DIA. —
3.00-
-| f—10
I Motor Ratings
240
241
242
243
Continuous Stall Torque (Ncm)
20.5
26.8
35.3
38.8
Continuous Stall Torque (oz-in)
29
38
50
55
Peak Torque (Ncm)
169.5
197.7
247.2
282.5
PeakTorque (oz-in)
240
280
350
400
Maximum Terminal Voltage (V) 60 60 60 60
Maximum Operating Speed (rpm)
5000
5000
5000
5000
Mechancial Data
Rotor Inertia (kg cmA2)
0.268
0.353
0.438
0.565
Rotor Inertia (oz-in-secA2)
0.0038 '
0.0050
0.0062
0.0080
Damping Constant (Ncm/krpm)
0.071 ,
0.106
0.141
0.212
Damping Constant (oz-in/krpm)
0.10
0.15
0.20
0.30
Thermal Resistance (C/watt)
5.0
4.6
4.2
4.0
Maximum Armature Temperature ( C)
155
155
155
155
Maximum Friction Torque (Ncm)
2.1
2.1
2.1
2.1
Maximum Friction Torque (oz-in)
3
3
3
3
Maximum Radial Load (25mm from bearing) (Kg)
4.5
4.5
4.5
4.5
r 1.000 DIA.
(4) 6-32 UNC-2B X 0.38 DP MIN EQ SP ON 1.531 DIA
_(2) 4-40 UNC-2B X 0.20 DP MIN EQ SP ON 1.812 DIA
240 = 4.0 (101.6) 241=4.5 (114.5) - 242 = 5.0 (127.0)—-, 243 = 5.5 (139.7)
1.00
0.70
0.10
0.2494
0.2500 0.2495
T
0.015X0.88 FLAT
MOTOR ONLY OPTIONS SHOWN: ENGLISH MOUNTING, FLYING LEADS (19" STD)
Maximum Radial Load (25mm from bearing) (lbs)
(2) M2.5 X 0.45-6H X 0.20 [5 mm] DP MIN EQ SP ON 1.812 DIA [ô 46 mm]
1.0
1.0
1.0
1.0
57.5 DIA
50.8 DIA -
2.1
2.1
2.1
2.1
Electrical Data
KtTorque Constant +-10% (Ncm/amp) 5.4 6.8 13.5 6.6 8.3 10.5 8.3 10.4 13.3 9.7 12.5 15.3 Kt Torque Constant +-10% (oz-in/amp) 7.7 9.6 19.2 9.3 11.7 14.9 11.7 14.7 18.8 13.8 17.7 21.6
Ke Voltage Constant +-10% (V/Krpm
5.7
7.1
14.2
6.9
8.7
11.0
8.7
10.9
13.9
10.2
13.1
16.0
Terminal Resistance (ohms)
1.2
1.6
5.4
1.3
1.8
2.7
1.4
2
3
1.6
2.9
3.4
Maximum Continuous Current (A)
3.8
3.0
1.9
4.1
3.2
2.6
4.2
3.4
2.7
4.0
3.1
2.3
Maximum Peak Current (A)
31
24
13.9
30
24
19
31
24
19
34
26
21
Armature Inductance (mH)
1.9
3.0
8.2
2.6
4.1
6.5
3.3
5.2
8.3
4.1
6.8
10.3
42) M3 X 0.5-6H X 0.20 [5 mm] DP MIN EQ SP ON 1.890 DIA [ô 48 mm]
(4) M4X 0.7-6H X 0.38 [10 mm] DP MIN EQ SP ON 1.531 DIA [ô 38.89 mm]
240T = 153 (6.03) 241T = 165.9 (6.53) 242T = 178.6 (7.03) " 243T= 191.3(7.53)
Tachometer Electrical Data - (optional)
25.00
19.0
1
8h6 DIA
Tachometer Specifications
T1 J
T2
T3
T4
Ke Voltage Constant +-10% (V/Krpm)
3
7
14
21
Terminal Resistance (ohms)
550
600
720
950
Ripple Peak-to-Peak at 1000 rpm (%)
5
5
5
5
Increase Motor Inertia by: (kg cmA2)
0.099
0.099
0.099
0.099
Increase Motor Inertia by: (oz-in-secA2)
, 0.0014
0.0014
0.0014
0.0014
2.54-
8h6 DIA
(^)
MOTOR TACHOMETER OPTIONS SHOWN: METRIC MOUNTING, PG GLAND LEAD LENGTH (701 (27.5") STD)
G240
G241
TORQUE (OZ-IN)
G242
TORQUE (OZ-IN)
G243
TORQUE (OZ-IN)
IORQUE (Nm)
IORQUE (Nm)
TORQUE (Nm)
TORQUE (Nm)
320
320
400
2.0
280
280
2.5
2.5
350
350
240
1.6
2.0
200
200
250
250
1.2
1.2
1.5
1.5
200
200
120
120
150
150
1.0
1.0
80
80
.5
40
50
50
2000 3000 SPEED (RPM)
4000 5000
2000 3000 SPEED (RPM)
5000
2000 3000 SPEED (RPM)
2000 3000 SPEED (RPM)
5000
3
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