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BLMH Series
Description
   

Motor Model

Units

BLMH-142

BLMH-202

BLMH-262

BLMH-322

BLMH-382

Performance Specifications(1,5)

Continuous Force, 1.4 bar, 20 psi(2) N (lb) 270.7 (60.9) 351.2 (79.0) 437.1 (98.3) 489.2 (110.0) -A -B (opt)
435.8 (98.0) 548.8 (123.4)
Continuous Force, No Air(2) N (lb) 150.0 (33.7) 194.2 (43.7) 266.2 (59.9) 303.2 (68.2) 357.9 (80.5)
Peak Force(3) N (lb) 1082.7 (243.4) 1404.9 (315.9) 1748.6 (393.1) 1956.7 (439.9) 2195.0 (493.5)

Electrical Specifications(5)

Winding Designation
-A -B (opt) -A -B (opt) -A -B (opt) -A -B (opt) -A -B (opt)
BEMF Constant (Line-Line, Max) V/m/s
( V/in/s)
32.11
(0.82)
64.22
(1.63)
47.50
(1.21)
95.00
(2.41)
64.42
(1.64)
128.85
(3.27)
79.20
(2.01)
158.40
(4.02)
45.71
(1.16)
91.42
(2.32)
Continuous Current, 1.4 bar, 20 psi(2) Amppk
(Amprms)
9.69
(6.85)
4.85
(3.43)
8.50 (6.01) 4.25
(3.01)
7.80
(5.52)
3.90
(2.76)
7.10
(5.02)
3.55
(2.51)
10.96 (7.75) 6.90
(4.88)
Continuous Current, No Air(2)                Amppk
(Amprms)
5.37
(3.80)
2.69
(1.90)
4.70
(3.32)
2.35
(1.66)
4.75
(3.36)
2.38
(1.68)
4.40
(3.11)
2.20
(1.56)
9.00
(6.36)
4.50
(3.18)
Peak Current, Stall(3)                Amppk
(Amprms)
38.76
(27.41)
19.38
(13.70)
34.00
(24.04)
17.00
(12.02)
31.20
(22.06)
15.60
(11.03)
28.40
(20.08)
14.20
(10.04)
55.20
(39.03)
27.60
(19.52)
Force Constant, Sine Drive(4,8) N/Amppk (lb/Amppk) 27.93
(6.28)
55.87
(12.56)
41.32
(9.29)
82.64
(18.58)
56.04
(12.60)
112.09
(25.20)
68.90
(15.49)
137.80
(30.98)
39.77
(8.94)
79.53
(17.88)
N/Amprms
(lb/Amprms)
39.50
(8.88)
79.01
(17.76)
58.44
(13.14)
116.88
(26.28)
79.26
(17.82)
158.52
(35.64)
97.44
(21.91)
194.88
(43.81)
56.24
(12.64)
112.47
(25.29)
Motor Constant(2,4) N/√W
(lb/√W)
14.17
(3.19)
17.20
(3.87)
20.24
(4.55)
22.29
(5.01)
23.19
(5.21)
Resistance, 25°C (Line-Line) ohms 3.7 14.8 5.5 22.0 7.3 29.2 9.1 36.4 2.8 11.2
Inductance (Line-Line) mH 2.40 9.60 3.80 15.20 4.60 18.40 6.00 24.00 1.80 7.20
Thermal Resistance, 1.4 bar, 20 psi °C/W 0.27 0.24 0.21 0.21 0.18
Thermal Resistance, No Cooling °C/W 0.89 0.78 0.58 0.54 0.42
Maximum Bus Voltage VDC 340 340 340 340 340

Mechanical Specifications

Air Flow, 20 psi m3/s
(SCFM)
2.5x10-3
(5.3)
2.8x10-3
(5.9)
2.8x10-3
(5.9)
2.9x10-3
(6.2)
2.7x10-3
(5.8)
Coil Weight kg (lb) 1.10 (2.42) 1.60 (3.52) 2.10 (4.62) 2.60 (5.72) 3.10 (6.82)
Coil Length mm (in) 142.0 (5.59) 202.0 (7.95) 262.0 (10.31) 322.0 (12.68) 382.0 (15.04)
Heat Sink mm
(in)
250x250x25
(10x10x1)
250x250x25
(10x10x1)
250x250x25
(10x10x1)
250x400x25
(10x16x1)
250x400x25
(10x16x1)
Magnet Track Weight kg/m (lb/ft) 20.4 (13.68)
Magnetic Pole Pitch mm (in) 30.00 (1.18)
Notes:
1. Performance is dependent upon heat sink configuration, system cooling conditions, and ambient temperature.
2. Values shown @ 100°C rise above a 25°C ambient temperature, with motor mounted to the specified aluminum heat sink.
3. Peak force assumes correct rms current; consult Aerotech.
4. Force constant and motor constant specified at stall.
5. All performance and electrical specifications ±10%.
6. Maximum winding temperature is 125°C.
7. Ambient operating temperature range 0°C - 25°C. Consult Aerotech for performance in elevated ambient temperatures.
8. All Aerotech amplifiers are rated Apk; use force constant in N/Apk when sizing.
 



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