Stock Motors                          

STANDARD 1.13.018.
Standard Program from Buhler

The illustrated motor is representative for the standard series.

071
071
077
078
Rated Voltage
V
6
12
12
24
Rated Torque
mNm
60
60
75
80
Rated Speed
r.p.m.
3,000
7,150
3,000
3,000
Rated Output Power
W
18.8
45
25
25
Rated Current
A
5.3
5.4
3.2
1.7
Max. Allow. Const. Current *)
A
5.5
5.5
3.2
1.7
No Load Speed
r.p.m.
3,980
8,150
4,000
4,000
No Load Current
A
0.92
0.95
0.45
0.22
Stall Current
A
18.5
37.0
11.4
6.0
Stall Torque
mNm
240
490
300
300
Rotor Inertia
gcm²
142
142
142
142
Speed Regulation Constant
r.p.m./mNm
16.5
16.5
13.3
12.5
Torque Constant
mNm/A
13.7
13.7
27.5
55.2
Mech. Time Constant
ms
24.2
24.2
20.0
19.0
Electr. Time Constant
ms
-
-
1.1
1.15
Terminal Resistance
Ohm
0.3
0.3
1.1
7.5
Thermal Resistance
Rth1 K/W
4.9
4.9
4.9
4.9
Thermal Resistance
Rth2 K/W
5.2
5.2
5.2
5.2
Weight
g
425
425
425
425

all data are respected to an ambient temperature of 25 °C
*) at rated voltage


Design
 
DC PM Motor
 
Brush type commutation
 
12 segment commutator
 
Sintered bronze bearing oil impregnated
 
Direction of rotation depending on applied polarity
 
Corrosion protected housing
 
A- and B-endshield: zinc die-cast


Axial play
0.05 - 0.7 mm
max. allowable radial load
50 N
from mounting surface
15 mm
max. allowable axial load
10 N
allowable temperature range
0/+70 °C

recommended operating range


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