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Aerotech

BLM-264 Datasheet Preview

BLM-264 Datasheet

Linear Motors

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BLM Series
Linear Motors
High output force in an 86.4 mm x 34.3 mm
cross section
Continuous force to 397.6 N (89.4 lb); peak
force to 1590.4 N (357.5 lb)
High-energy rare-earth magnets used in
magnet tracks for high acceleration capability
Non-magnetic forcer coil provides high force
with zero cogging for super-smooth velocity
and position control
Aerotech’s “U-channel” BLM series linear motors are 86.4
mm x 34.3 mm in cross section and have proven ideal for
both high-accuracy and high-throughput applications.
BLM series motors are direct drive and consist of a
noncontacting forcer coil and “U-channel” rare-earth
magnet track. This design eliminates backlash, windup,
wear and maintenance issues associated with ball screws,
belts, and rack and pinions.
The noncontact design of the forcer and magnet track
results in a maintenance-free system.
The compact moving forcer coil assembly contains Hall-
effect devices, and a thermal sensor, and is constructed of
reinforced ceramic epoxy. This ironless design eliminates
eddy-current losses that otherwise would limit speed and
produce additional heat. For highest rms force, optional air
cooling is available. Offering high peak forces in its
standard configuration, BLM motors are available with
special high-power magnets that can increase output force.
The BLM series nonmagnetic forcer eliminates cogging and
magnetic attraction to allow for extremely smooth motion
and very tight velocity and position control. These linear
motors are ideal for any application that requires high levels
of positioning resolution and accuracy. BLM series linear
motors are forgiving to align, easy to assemble, and
keep the magnetic field well-contained. Magnet
tracks are stackable for any travel length. They are
also suited for cleanroom use as they produce no
particulates.
The BLM can be driven using standard Aerotech
brushless amplifiers and controllers to provide a
complete integrated system.
The BLM is shown with Aerotech’s linear motor line.
WORLD HEADQUARTERS: Aerotech, Inc., 101 Zeta Drive, Pittsburgh, PA 15238, USA +1-412-963-7470 Fax: +1-412-963-7459
Aerotech Ltd., Jupiter House, Calleva Park, Aldermaston, Berkshire RG7 8NN, UK +44-118-9409400 Fax: +44-118-9409401
Aerotech GmbH, Südwestpark 90, 90449 Nürnberg, Germany +49-911-9679370 Fax: +49-911-96793720
www.aerotech.com
Free Datasheet http://www.Datasheet4U.com




Aerotech

BLM-264 Datasheet Preview

BLM-264 Datasheet

Linear Motors

No Preview Available !

BLM Series SPECIFICATIONS
Motor Model
(assumes -P magnet track)
Units BLM-142 BLM-203 BLM-264
Performance Specifications(1,5)
Continuous Force, 1.4 bar (20 psi)(2)
N (lb)
173.2 (38.9)
251.6 (56.6)
301.7 (67.8)
Continuous Force, No Air(2)
N (lb)
110.5 (24.8)
153.3 (34.5)
197.2 (44.3)
Peak Force(3)
N (lb)
692.7 (155.7)
1006.4 (226.3)
1206.6 (271.3)
Electrical Specifications(5)
Winding Designation
-A -B (opt) -A -B (opt) -A -B (opt)
BEMF Constant (Line-Line, Max)
V/m/s
(V/in/s)
40.96
(1.04)
20.48
(0.52)
33.24
(0.84)
66.49
(1.69)
44.46
(1.13)
88.91
(2.26)
Continuous Current, 1.4 bar, 20 psi(2)
Continuous Current, No Air(2)
Peak Current, Stall(3)
Force Constant, Sine Drive(4,8)
Motor Constant(2,4)
Amppk
(Amprms)
Amppk
(Amprms)
Amppk
(Amprms)
N/Amppk
(lb/Amppk)
N/Amprms
(lb/Amprms)
N/W
(lb/W)
4.86
(3.44)
9.72
(6.87)
3.10
(2.19)
6.20
(4.38)
19.44 38.88
(13.75) (27.49)
35.63
(8.01)
17.82
(4.01)
50.39 25.20
(11.33) (5.66)
10.53
(2.37)
8.70
(6.15)
4.35
(3.08)
5.30
(3.75)
2.65
(1.87)
34.80 17.40
(24.61) (12.30)
28.92 57.84
(6.50) (13.00)
40.90 81.80
(9.19) (18.39)
14.11
(3.17)
7.80
(5.52)
3.90
(2.76)
5.10
(3.61)
2.55
(1.80)
31.20 15.60
(22.06) (11.03)
38.67 77.35
(8.69) (17.39)
54.69 109.39
(12.30) (24.59)
16.39
(3.69)
Resistance, 25°C (Line-Line)
ohms
10.9 2.7
4.0 16.0 5.3 21.2
Inductance (Line-Line)
mH 8.70 2.18 3.20 12.80 4.20 16.80
Thermal Resistance, 1.4 bar, 20 psi
°C/W
0.37
0.31 0.30
Thermal Resistance, No Cooling
°C/W
0.91
0.85
0.69
Maximum Bus Voltage
VDC
340
340
340
Mechanical Specifications
Air Flow, 20 psi
m3/s
SCFM
1.7x10-3
3.5
1.5x10-3
3.2
1.6x10-3
3.3
Coil Weight
kg (lb)
0.60 (1.32)
0.90 (1.98)
1.10 (2.42)
Coil Length
mm (in)
142.2 (5.60)
203.2 (8.00)
264.2 (10.40)
Heat Sink
mm
250x250x25
250x250x25
250x250x25
(in) (10x10x1) (10x10x1) (10x10x1)
Magnet Track Weight
kg/m (lb/ft)
10.76 (7.22)
10.76 (7.22)
10.76 (7.22)
Magnetic Pole Pitch
mm (in)
30.48 (1.20)
30.48 (1.20)
30.48 (1.20)
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 torque constant in N-m/Apk when sizing.
BLM-325
332.2 (74.7)
230.7 (51.9)
1328.6 (298.7)
-A -B (opt)
53.03 106.06
(1.35) (2.69)
7.20
(5.09)
3.60
(2.55)
5.00
(3.54)
2.50
(1.77)
28.80 14.40
(20.36) (10.18)
46.13 92.27
(10.37) (20.74)
65.24 130.48
(14.67) (29.34)
17.66
(3.97)
6.5 26.0
5.20 20.80
0.28
0.59
340
1.6x10-3
3.3
1.40 (3.08)
325.1 (12.80)
250x400x25
(10x16x1)
10.76 (7.22)
30.48 (1.20)
BLM-386
397.6 (89.4)
257.3 (57.8)
1590.4 (357.5)
-A -B (opt)
67.21 134.42
(1.71) (3.41)
6.80
(4.81)
3.40
(2.40)
4.40
(3.11)
2.20
(1.56)
27.20 13.60
(19.23) (9.62)
58.47 116.94
(13.15) (26.29)
82.69 165.38
(18.59) (37.18)
20.17
(4.54)
8.0 32.0
6.20 24.80
0.26
0.61
340
1.6x10-3
3.4
1.70 (3.74)
386.1 (15.20)
250x400x25
(10x16x1)
10.76 (7.22)
30.48 (1.20)
BLM linear motors are used in a high-performance Aerotech
air-bearing system.
www.aerotech.com
WORLD HEADQUARTERS: Aerotech, Inc., 101 Zeta Drive, Pittsburgh, PA 15238, USA +1-412-963-7470 Fax: +1-412-963-7459
Aerotech Ltd., Jupiter House, Calleva Park, Aldermaston, Berkshire RG7 8NN, UK +44-118-9409400 Fax: +44-118-9409401
Aerotech GmbH, Südwestpark 90, 90449 Nürnberg, Germany +49-911-9679370 Fax: +49-911-96793720
Free Datasheet http://www.Datasheet4U.com


Part Number BLM-264
Description Linear Motors
Maker Aerotech
Total Page 5 Pages
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