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BLMF Series
Description
   

BLMFI "Ironless" Forcer Models

Motor Model

Units

BLMFI-81

BLMFI-142

BLMFI-264

BLMFI-325

BLMFI-386

Performance Specifications(1,5)
Continuous
Force, No Air(2)
N (lb) 18.7 (4.2) 32.4 (7.3) 64.8 (14.6) 90.2 (20.3) 112.1 (25.2)
Peak Force(3) N (lb) 74.7 (16.8) 129.7 (29.2) 259.1 (58.2) 360.7 (81.1) 448.4 (100.8)
Attraction Force N (lb) 0 0 0 0 0

Electrical Specifications(5)

Winding Designation
-A -B -A -B -A -B -A -B -A -B
BEMF Constant (Line-Line, Max) V/m/s (V/in/s) 7.16
(0.18)
3.58
(0.09)
13.81 (0.35) 6.90
(0.18)
14.32 (0.36) 28.63
(0.73)
18.51 (0.47) 37.02
(0.94)
23.01
(0.58)
46.02
(1.17)
Continuous
Current, No Air(2)
Amppk (Amprms) 3.0
(2.12)
6.00
(4.24)
2.70
(1.91)
5.40
(3.82)
5.20
(3.68)
2.60
(1.84)
5.60
(3.96)
2.80
(1.98)
5.60
(3.96)
2.80
(1.98)
Peak Current, Stall(3) Amppk (Amprms) 12.00 (8.49) 24.00
(16.97)
10.80 (7.64) 21.60
(15.27)
20.80 (14.71) 10.40
(7.35)
22.40 (15.84) 11.20
(7.92)
22.40 (15.84) 11.20
(7.92)
Force Constant,
Sine Drive(4,8)
N/Amppk
(lb/Amppk)
6.23
(1.40)
3.11
(0.70)
12.01
(2.70)
6.00
(1.35)
12.45
(2.80)
24.91
(5.60)
16.10
(3.62)
32.20
(7.24)
20.02
(4.50)
40.03
(9.00)
N/Amprms
(lb/Amprms)
8.81
(1.98)
4.40
(0.99)
16.98
(3.82)
8.49
(1.91)
17.61
(3.96)
35.23
(7.92)
22.77
(5.12)
45.54
(10.24)
28.31
(6.36)
56.61
(12.73)
Motor Constant(2,4) N/√W
(lb/√W)
2.59 (0.58) 3.55 (0.80) 5.28 (1.19) 6.16 (1.39) 6.91 (1.55)
Resistance, 25°C (Line-Line) ohms 5.5 1.4 10.9 2.7 5.3 21.2 6.5 26.0 8.0 32.0
Inductance (Line-Line) mH 2.9 0.73 6.50 1.63 3.50 14.00 4.48 17.92 5.30 21.20
Thermal Resistance, No Cooling °C/W 1.92 1.20 0.66 0.47 0.38
Maximum Bus Voltage VDC 340 340 340 340 340

Mechanical Specifications

Coil Weight kg (lb) 0.50 (1.10) 0.84 (1.85) 1.10 (2.42) 1.40 (3.08) 1.70 (3.74)
Coil Length mm (in) 81.0 (3.19) 142.2 (5.60) 264.2 (10.40) 325.1 (12.80) 386.1 (15.20)
Heat Sink mm
(in)
100x100x13
(4x4x0.5)
150x150x13 (6x6x0.5) 300x300x13 (12x12x0.5) 350x350x13 (14x14x0.5) 400x400x13 (16x16x0.5)
Magnet Track Weight kg/m (lb/ft) 4.3 (2.88)
Magnetic Pole Pitch mm (in) 30.00 (1.18) 30.00 (1.18) 30.00 (1.18) 30.00 (1.18) 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.


BLMFS "Steel Laminated" Forcer Models

Motor Model

Units

BLMFS-81

BLMFS-142

BLMFS-264

BLMFS-325

BLMFS-386

Performance Specifications(1,5)
Continuous
Force, No Air(2)
N (lb) 28.0 (6.3) 48.0 (10.8) 97.1 (21.8) 134.5 (30.2) 159.4 (35.8)
Peak Force(3) N (lb) 112.1 (25.2) 192.2 (43.2) 388.6 (87.4) 538.0 (121.0) 637.7 (143.4)
Attraction Force N (lb) 134 (30) 232 (52) 427 (96) 535 (120) 629 (141)

Electrical Specifications(5)

Winding Designation
-A -B -A -B -A -B -A -B -A -B
BEMF Constant (Line-Line, Max) V/m/s (V/in/s) 10.74 (0.27) 5.37
(0.14)
20.45 (0.52) 10.23
(0.26)
21.47 (0.55) 42.95
(1.09)
27.61 (0.70) 55.22
(1.40)
32.72 (0.83) 65.45
(1.66)
Continuous
Current, No Air(2)
Amppk (Amprms) 3.00 (2.12) 6.00
(4.24)
2.70 (1.91) 5.40
(3.82)
5.20 (3.68) 2.60
(1.84)
5.60 (3.96) 2.80
(1.98)
5.60 (3.96) 2.80
(1.98)
Peak Current, Stall(3) Amppk (Amprms) 12.00 (8.49) 24.00
(16.97)
10.80 (7.64) 21.60
(15.27)
20.80 (14.71) 10.40
(7.35)
22.40 (15.84) 11.20
(7.92)
22.40 (15.84) 11.20
(7.92)
Force Constant,
Sine Drive(4,8)
N/Amppk
(lb/Amppk)
9.34
(2.10)
4.67
(1.05)
17.79
(4.00)
8.90
(2.00)
18.68
(4.20)
37.36
(8.40)
24.02
(5.40)
48.04
(10.80)
28.47
(6.40)
56.93
(12.80)
N/Amprms
(lb/Amprms)
13.21
(2.97)
6.60
(1.48)
25.16
(5.66)
12.58
(2.83)
26.42
(5.94)
52.84
(11.88)
33.97
(7.64)
67.94
(15.27)
40.26
(9.05)
80.52
(18.10)
Motor Constant(2,4) N/√W
(lb/√W)
3.89
(0.87)
5.26
(1.18)
7.92
(1.78)
9.19
(2.07)
9.82
(2.21)
Resistance, 25°C (Line-Line) ohms 5.5 1.4 10.9 2.7 5.3 21.2 6.5 26.0 8.0 32.0
Inductance (Line-Line) mH 4.50 1.13 10.40 2.60 5.70 22.80 7.40 29.60 8.75 35.00
Thermal Resistance, No Cooling               °C/W 1.92 1.20 0.66 0.47 0.38
Maximum Bus Voltage VDC 340 340 340 340 340

Mechanical Specifications

Coil Weight kg (lb) 0.60 (1.32) 1.02 (2.24) 1.90 (4.18) 2.31 (5.08) 2.76 (6.07)
Coil Length mm (in) 81.0 (3.19) 142.2 (5.60) 264.2 (10.40) 325.1 (12.80) 386.1 (15.20)
Heat Sink mm
(in)
100x100x13
(4x4x0.5)
150x150x13 (6x6x0.5) 300x300x13 (12x12x0.5) 350x350x13 (14x14x0.5) 400x400x13 (16x16x0.5)
Magnet Track Weight kg/m (lb/ft) 4.3 (2.88)
Magnetic Pole Pitch mm (in) 30.00 (1.18) 30.00 (1.18) 30.00 (1.18) 30.00 (1.18) 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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Aerotech is a motion controller and motion control systems manufacturer.