- Model: STA1104-1116
- Hãng: Dunkermotoren
Force» Peak: 46 - 92 N
» Continuous: 6 - 27 N
Maximum Velocity
» Up to 5.6 m/s
Hotline: 0933.911.903
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Force
» Peak: 46 - 92 N
» Continuous: 6 - 27 N
Maximum Velocity
» Up to 5.6 m/s
Feedback
» Built-in position sensor
» 1V pk-pk sin/cos
» 6 micron repeatability
Range of motion
» 14~271 mm
Dimensions
» W x H: 28 x 61mm
» Rod diameter: 11mm
Applications
» Packaging
» Material Handling
» Automated Assembly
» Bio-medical
The OEM advantage
» Reliable and cost-effective
» Flexible positon control
» High speed and acceleration
» Clean, quiet operation
» No maintenance or adjustment
The ServoTube Actuator is an optimal solution for industrial position control. Faster than a ballscrew with the clean reliability of a linear forcer, ServoTube is a cost-effective alternative to air cylinders in applications requiring greater flexibility and control.
The ServoTube Actuator incorporates an IP67 rated forcer and a sealed stainless steel thrust rod enclosing rare- earth magnets. Four models deliver a continuous force range of 6~27 N (2~6 lb) with peak forces up to 92 N (21 lb).
11 stroke lengths are available from 14~271 mm.
The magnetic design of ServoTube generates 6 micron
(0.24 mil) repeatability and 350 micron (14 mil) accuracy from a non-contact, integral position sensor. No external encoder is required. Position output is industry standard 1V pk-pk sin/cos signals.
An internal dry bearing provides clean, quiet, maintenance-free performance. Life expectancy far exceeds typical ballscrew solutions.
The ServoTube Actuator is ideal for push/pull/lift material handling, packaging and automated assembly applications. ServoTube accepts a range of industry standard accesories for simple mechanical integration
ELECTRICAL SPECIFICATIONS
FORCER TYPE | 1104 | 1108 | 1112 | 1116 | units |
Peak force @ 25oC ambient for 1 sec | 46.0 | 53.0 | 68.9 | 91.9 | N |
Peak current @ 25oC ambient for 1 sec | 12 | 12 | 12 | 12 | Apk |
|
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With 25 x 25 x2.5cm heatsink plate | |||||
Continuous stall force @ 25oC ambient (1) | 9.27 | 15.78 | 21.44 | 26.75 | N |
Continuous stall current @ 25oC ambient | 1.71 | 2.52 | 2.64 | 2.47 | Arms |
| 2.41 | 3.56 | 3.74 | 3.50 | Apk |
|
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Without heatsink plate | |||||
Continuous stall force @ 25oC ambient (1) | 6.02 | 10.83 | 15.18 | 19.28 | N |
Continuous stall current @ 25oC ambient | 1.11 | 1.73 | 1.87 | 1.78 | Arms |
| 1.58 | 2.45 | 2.64 | 2.52 | Apk |
| |||||
Force constant (sine commutation) | 5.42 | 6.26 | 8.12 | 10.83 | N/Arms |
| 3.83 | 4.42 | 5.74 | 7.66 | N/Apk |
Back EMF constant (phase to phase) | 4.42 | 5.10 | 6.63 | 8.84 | Vpk/m/s |
Fundamental forcer constant | 1.75 | 2.49 | 3.05 | 3.52 | N/√W |
Eddy current loss | 0.14 | 0.25 | 0.36 | 0.47 | N/m/s |
Resistance @ 25oC (phase to phase) | 4.90 | 3.27 | 3.68 | 4.91 | Ohm |
Resistance @ 100oC (phase to phase) | 6.32 | 4.29 | 4.74 | 6.31 | Ohm |
Inductance @ 1kHz (phase to phase) | 1.15 | 0.99 | 0.87 | 1.15 | mH |
Electrical time constant | 0.23 | 0.23 | 0.23 | 0.23 | ms |
Maximum working voltage | 75 | 75 | 75 | 75 | V d.c. |
Pole pitch (one electrical cycle) | 25.6 | 25.6 | 25.6 | 25.6 | mm |
Peak acceleration (2) | 407 | 359 | 378 | 422 | m/s2 |
Maximum speed (3) | 5.3 | 5.6 | 5.4 | 4.7 | m/s |
Notes:
(1) Reduce continuous stall force to 89% at 40oC ambient
(2) Based on a moving thrust rod with 14mm stroke and no payload
(3) Based on a moving thrust rod with triangular move over maximum stroke and no payload
THERMAL SPECIFICATIONS
FORCER TYPE | 1104 | 1108 | 1112 | 1116 | units |
Maximum phase temperature | 100 | 100 | 100 | 100 | oC |
Thermal resistance Rthphase-housing | 1.48 | 0.72 | 0.47 | 0.35 | oC/Watt |
With 25 x 25 x2.5cm heatsink plate |
| ||||
Power dissipation @ 25oC ambient | 27.6 | 40.1 | 49.7 | 58.0 | Watt |
Thermal resistance Rthhousing-ambient | 1.24 | 1.15 | 1.04 | 0.94 | oC/Watt |
Without heatsink plate |
| ||||
Power dissipation @ 25oC ambient | 11.8 | 18.9 | 24.8 | 30.0 | Watt |
Thermal resistance Rthhousing-ambient | 4.88 | 3.24 | 2.55 | 2.15 | oC/Watt |
Thermal time constant | 142 | 176 | 202 | 223 | s |
MECHANICAL SPECIFICATIONS
FORCER TYPE | 1104 | 1108 | 1112 | 1116 | units |
Maximum stroke | 245 | 245 | 271 | 271 | mm |
Forcer mass (excluding thrust rod and cable) | 240 | 390 | 520 | 650 | gram |
Thrust rod mass/metre | 0.68 | 0.68 | 0.68 | 0.68 | kg/m |
Integrated bearing type | 2 x plastic polymer, self-lubricating, self-aligning | - | |||
OUTLINE DRAWINGS
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POSITION SENSOR
The position sensor outputs analogue, differential sine and cosine signals for providing position feedback. Shown below are the relationships between forcer phase back EMF and position sensor outputs for one direction of motion (as shown by arrows).
|
SPECIFICATION | VALUE | units |
Output signal period | 25.6 | mm |
Signal amplitude (between +/- signals) | 1 | Vpk-pk |
Output current | ± 10 | mA |
Supply voltage | 5 ± 0.25 | Vd.c. |
Supply current (output current=0) | 32 ± 5 | mA |
Resolution(1) | 6 | micron |
Position repeatability(2) | ± 6 | micron |
Absolute accuracy(3) | ± 350 | micron |
Notes:
(1) Dependent on amplifier (indication with 12 bit resolution)
(2) Dependent on amplifier. Under constant operating conditions. Self-heating of the forcer will cause expansion in the thrust rod during the initial warm up period. In high duty applications (corresponding to an internal forcer temperature of 80oC) a 0.5 metre thrust rod will expand typically by 125 microns.
(3) Maximum error over 0.5 metre under constant operating conditions.
CABLE TERMINATION
The STA cable is available with two termination options. Option F has the wire ends stripped and solder tinned ready for termination. The connections for both options are shown below: -
SENSOR FUNCTION | F-FLYING LEADS | C-ACCELNET MICRO PANEL |
+SIN | Blue | 8 |
-SIN | Red | 1 |
+COS | White | 9 |
-COS | Brown | 2 |
+5Vd.c. | Yellow | 4 |
0V | Green | 11 |
+TH (Thermistor) | Pink | 7 |
-TH (Thermistor) | Grey | 6 |
SCREEN | SCREEN | 14 |
Connector type | - | Samtec IPD1-07-D |
Amplifier connection | - | J4 |
POWER FUNCTION |
| |
Forcer phase U | Yellow | 4 |
Forcer phase V | White | 3 |
Forcer phase W | Brown | 2 |
Earth (forcer body) | Green | 1 |
SCREEN | SCREEN | 1 |
Connector type | - | Molex 39-01-4051 |
Amplifier connection | - | J2 |
ENVIRONMENT
The STA is intended for use in an environment within the following conditions: -
SPECIFICATION | VALUE |
Operating temperature | 0oC to +40oC |
Storage temperature | -25oC to +70oC |
Ingress protection | IP67 |
Altitude (above mean sea level) | 1000m |
Overvoltage category | II |
Pollution degree | 2 |
EMC | light industrial |
In addition, the STA is available with two environmental coating options. Option S has the forcer body coated with a 25 micron layer of black anodise that is suitable for general use. Option H has the forcer body coated with a 90 micron layer of hard natural anodise that is suitable for harsher environments. This option is possible for an annual quantity of at least 25 pieces.
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