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The
voice coil actuator is a non-commutated, two terminal limited
motion device. It has linear control
characteristics, zero hysteresis, zero cogging and infinite
position sensitivity. It has low electrical and
mechanical time constants and a high output power to weight
and volume ratio. It is nearly an ideal
servomechanism. It is applications, including. |
 |
 |
Linear
pumps, compressors |
|
Optical
pointing, scanning, aiming, tracking, focusing, boresighting,
beam steering and beam stabilization |
|
Medical
diagnostic, therapeutic and surgical devices |
|
Semiconductor
fabrication, inspection and packaging |
|
Linear Actuators
|
|
LA05-
05
-000A
|
LA08-
10
-000A
|
LA09-
10
-000A
|
LA09-
13
-000A
|
LA10-
08
-000A
|
LA10-
12
-000A
|
LA10-
12
-027A
|
LA12-
12
-000A
|
|
Peak Force,
10sec
|
(oz)
|
2.5
|
24
|
8
|
20.0
|
24
|
40
|
48
|
36
|
|
|
(lb)
|
|
|
|
|
1.5
|
2.5
|
3.0
|
2.25
|
|
Continuous
Stall Force
|
(oz)
|
1.35
|
6.5
|
2.6
|
7.0
|
9.7
|
19.2
|
16.7
|
17.2
|
|
|
(lb)
|
|
|
|
|
0.61
|
1.2
|
1.04
|
1.08
|
|
Actuator Constant
|
+
|
1.25
|
3.1
|
1.9
|
3.8
|
4.13
|
6.72
|
6.03
|
5.6
|
|
+
|
(lb/watt)
|
|
|
|
|
0.26
|
0.42
|
0.38
|
0.35
|
|
Electrical Time
Constant
|
|
7.0
|
92
|
330
|
172
|
125
|
22
|
245
|
43.5
|
|
Mechanical Time
Constant
|
(milli-sec)
|
8.9
|
100.1
|
13.6
|
6.7
|
5.3
|
3.2
|
4.9
|
2.7
|
|
Stroke, +/-
|
(ln)
|
0.020
|
0.080
|
0.040
|
0.060
|
0.100
|
0.030
|
0.180
|
0.125
|
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Clearance Each
Side of Coll
|
(ln)
|
0.015
|
0.015
|
0.027
|
0.025
|
0.035
|
0.028
|
0.015
|
0.010
|
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Max Allow Temp
of Coll
|
(deg C)
|
155
|
155
|
155
|
155
|
155
|
155
|
155
|
155
|
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Weight of Coll
Assembly
|
(oz)
|
0.032
|
0.265
|
0.13
|
0.27
|
0.247
|
0.35
|
0.49
|
0.23
|
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Weight of Field
Assembly
|
(oz)
|
0.30
|
0.95
|
0.73
|
1.63
|
1.16
|
2.85
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2.0
|
3.47
|
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DC Resistance
|
(ohms+/-12%)
|
4.0
|
1.2
|
3.5
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12.4
|
9.9
|
1.8
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11.0
|
0.65
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Force Sensitivity
@ midstroke
|
(oz/amp)
|
2.5
|
3.4
|
3.5
|
13.5
|
13.0
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8.5
|
20.0
|
4.5
|
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(lb/amp)
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|
|
|
|
0.81
|
0.53
|
1.25
|
0.28
|
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Back EMF
Constant
|
(volts/(ft/sec))
|
0.212
|
0.29
|
0.30
|
1.14
|
1.10
|
0.72
|
1.70
|
0.38
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Actuator
Type
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C
|
C
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R
|
R
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C
|
C
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C
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C
|
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| |
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Linear Actuators
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LA12-
17
- 000A
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LA13-
12
-000A
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LA13-
30
-000A
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LA14-
15
-000A
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LA14-
17
-000A
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LA15-
15
-001A
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LA15-
16
-020A
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LA15-
16
-024A
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Peak Force,
10sec
|
(oz)
|
|
|
|
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|
|
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(lb)
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10.0
|
3.5
|
3.0
|
6.5
|
5.0
|
10.0
|
7.6
|
20.0
|
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Continuous
Stall Force
|
(oz)
|
|
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|
|
|
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(lb)
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3.5
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1.6
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1.14
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2.63
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1.6
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3.7
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2.6
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5.5
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Actuator Constant
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+
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+
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(lb/watt)
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0.99
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0.53
|
0.35
|
0.63
|
0.49
|
0.98
|
0.62
|
1.31
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Electrical Time
Constant
|
|
125
|
164
|
650
|
60
|
165
|
100
|
318
|
270
|
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Mechanical Time
Constant
|
(milli-sec)
|
1.7
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2.5
|
8.2
|
2.4
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4.3
|
1.2
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2.1
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1.3
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Stroke, +/-
|
(ln)
|
0.150
|
0.125
|
0.700
|
0.090
|
0.200
|
0.040
|
0.200
|
0.125
|
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Clearance Each
Side of Coll
|
(ln)
|
0.015
|
0.015
|
0.020
|
0.020
|
0.035
|
0.015
|
0.020
|
0.018
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Max Allow Temp
of Coll
|
(deg C)
|
155
|
155
|
155
|
155
|
155
|
|
155
|
155
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Weight of Coll
Assembly
|
(oz)
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1.15
|
0.50
|
0.70
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0.67
|
0.72
|
0.81
|
0.88
|
1.55
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Weight of Field
Assembly
|
(oz)
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4.7
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3.6
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14.7
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7.3
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6.4
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8.82
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6.9
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6.5
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DC Resistance
|
(ohms+/-12%)
|
2.8
|
17.1
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4.6
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4.2
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6.5
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1.9
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4.4
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4.7
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Force Sensitivity
@ midstroke
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(oz/amp)
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(lb/amp)
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1.65
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2.20
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0.75
|
1.30
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1.25
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1.35
|
1.30
|
2.85
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Back EMF
Constant
|
(volts/(ft/sec))
|
2.24
|
2.98
|
1.02
|
1.76
|
1.7
|
1.83
|
1.76
|
3.86
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Actuator
Type
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C
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C
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R
|
C
|
C
|
C
|
C
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C
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| |
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Linear Actuators
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LA16-
19
-001A*
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LA18-
12
-000A
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LA18-
18
-000A
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Peak Force,
10sec
|
(oz)
|
|
|
|
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|
(lb)
|
5.0
|
10.0
|
10.0
|
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Continuous
Stall Force
|
(oz)
|
|
|
|
|
|
(lb)
|
2.1
|
3.4
|
3.1
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Actuator Constant
|
+
|
|
|
|
|
+
|
(lb/watt)
|
0.52
|
1.09
|
0.99
|
|
Electrical Time
Constant
|
|
356
|
385
|
385
|
|
Mechanical Time
Constant
|
(milli-sec)
|
19.2
|
1.9
|
2.4
|
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Stroke, +/-
|
(ln)
|
0.250
|
0.120
|
0.120
|
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Clearance Each
Side of Coll
|
(ln)
|
0.015
|
0.015
|
0.015
|
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Max Allow Temp
of Coll
|
(deg C)
|
155
|
155
|
155
|
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Weight of Coll
Assembly
|
(oz)
|
4.4
|
1.54
|
1.66
|
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Weight of Field
Assembly
|
(oz)
|
3.6
|
6.2
|
6.2
|
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DC Resistance
|
(ohms+/-12%)
|
7.3
|
2.6
|
2.6
|
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Force Sensitivity
@ midstroke
|
(oz/amp)
|
|
|
|
|
|
(lb/amp)
|
1.40
|
1.75
|
1.60
|
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Back EMF
Constant
|
(volts/(ft/sec))
|
1.90
|
2.37
|
2.17
|
|
Actuator
Type
|
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C*
|
C
|
C
|
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| |
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