ACS-LP Direct-Drive Rotary Collet Stage
Our ACS LP rotary stages with integrated ER collet chucks provide automated material handling capability for a wide range of materials and applications.
Have questions? Contact an Aerotech expert.
Request a Quote- Description
- Specifications
- Dimensions
- Ordering Info
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Description
Design Features
- Provides automated material handling capability through integral pneumatic ER collet chuck
- Features a clear aperture for convenient workpiece feed-through
- Supports extensive tube diameter range from 0.2 mm to 25 mm
- Minimizes working height & simplifies integration with low-profile design
- Offers excellent velocity stability with brushless, cogless direct drive motor & high resolution encoder
- Results in high process throughput & low total cost of ownership
Key Applications
ACS-LP stages are ideal for applications that require precisely holding and rotating a cylindrical workpiece, including:
- Medical device manufacturing
- Tubular material processing
- Stent, hypotube & guidewire cutting
- Sensor testing & inspection
- Laser cutting & laser micromachining
- Laser welding & joining
- Tube inspection & measurement
High Precision ER Collet
The collet chuck on the ACS 100LP accepts an ER8 series collet, while the ACS 150LP uses an ER25 collet and the ACS 200LP uses an ER40 collet. These collets are readily available from machine tool component suppliers in sizes that support tube diameters from 0.5 mm to 30 mm. ER collets provide excellent run-out characteristics for applications requiring high-precision gripping of tubular material. The collet is retained with a threaded retaining nut that enables quick changeover, and is configured in a “fail-safe” normally-closed mode where full clamping force is applied when no air pressure is present.
Compact Package
The design of the ACS LP series direct-drive rotary stage was optimized to minimize stage height. The low profile of the stage reduces the effective working height of the system minimizing “stack-up” related errors.
Integral Rotary Union
Air is delivered to the collet or gripper assembly through an integral rotary union using a seal-less, frictionless design. This 100% noncontact rotary-union design ensures a lifetime of maintenance-free operation. The combination collet chuck and rotary union assembly also has significantly less friction and inertia than external assemblies created from discrete parts. This reduced inertia improves system performance by allowing higher peak acceleration and reducing position error during laser machining operations.
Brushless Direct-Drive
The ACS LP series utilizes direct-drive brushless motor technology to maximize positioning performance. Direct-drive technology is optimized for 24/7 production environments because there are no brushes to replace and no gear trains or belts to maintain. Direct drive also provides quicker acceleration and higher top speeds than gear or belt-driven mechanisms, which yields higher total overall throughput.
The low maintenance and high throughput characteristics of the ACS LP, coupled with the integral material handling capability, provide the lowest total cost of ownership when compared to component-level solutions.
Specifications
ACS-LP Specifications
| ACS100LP | ACS150LP | ACS200LP | |
|---|---|---|---|
| Travel | ±360° Continuous | ||
| Collet Option(1) | ER8/MicroBore | ER25 | ER40 |
| Aperture-ER8/MicroBore | 5 mm ER8, 0.9 MicroBore | N/A | |
| Aperture-ER25 | N/A | 16 mm | N/A |
| Aperture-ER40 | N/A | 25 mm | |
| Maximum Torque (Continuous) | 0.64 N·m | 2.36 N·m | 5.99 N·m |
| Bus Voltage | Up to 340 VDC | ||
| Max Speed(2) | 1500 rpm | 600 rpm | |
| Accuracy-Uncalibrated(3) | 388 µrad (80 arc sec) | ||
| Accuracy-Calibrated(3) | 29.1 µrad (6 arc sec) | 48.5 µrad (10 arc sec) | |
| Repeatability(3) | 14.6 µrad (3 arc sec) | 19.4 µrad (4 arc sec) | |
| Max Load-ER8/MicroBore4) | 1.5 kg (Axial); 0.5 kg (Radial); 0.75 N·m (Moment) | ||
| Max Load-ER25(4) | 10 kg (Axial); 5 kg (Radial); 6 N·m (Moment) | ||
| Max Load-ER40(4) | 15 kg (Axial); 10 kg (Radial); 12 N·m (Moment) | ||
| Pin/Collet Runout(5) | <25 µm | ||
| Tilt Error Motion | 48.5 µrad (10 arc sec) | 97 µrad (20 arc sec) | |
| Inertia Unloaded | 0.00038 kg·m2 | 0.00242 kg·m2 | 0.00843 kg·m2 |
| Total Mass | 2.0 kg | 4.3 kg | 7.6 kg |
| Finish-Tabletop | Hardcoat | ||
| Finish-Stage | Black Anodize | ||
Notes:
- Collet chuck accepts Rego-Fix ER collets manufactured to DIN6499 specifications only.
- Maximum speed based on stage capability; maximum application velocity may be limited by system data rate, system resolution and load.
- Repeatability and accuracy are dependent on encoder resolution. To achieve the listed specifi cations, encoder resolution must be 0.36 arc sec or less.
- Maximum loads are mutually exclusive. Loading limits are due to the collet chuck mechanism. Contact Aerotech directly if part load requirement exceeds specifications.
- Measured TIR of precision gage pin chucked with an ultra-precision ER collet (DIN6499) 6 mm away from collet face with no load.
- Collet chuck mechanism is normally-closed. Collet mechanism requires air to open collet chuck. Air supply must be dry (0ºF dew point) oil-less air OR 99.99% pure nitrogen. Air or nitrogen must be filtered to 1 micron particle size or better.
ACS LP Maximum Speed for Encoder Option
| Encoder Option | ACS100LP | ACS150LP | ACS200LP |
|---|---|---|---|
| -E1 / -E2 / -E3 / -E4 | 1500 rpm | 600 rpm | |
| -E5 | 800 rpm | 300 rpm | |
Dimensions
ACS100LP
ACS150LP
ACS200LP
Ordering Info
ACS100LP Mechanical-Bearing Direct-Drive Rotary Collet Stage
Chuck Style (Required)
| Option | Description |
|---|---|
| -ER8 | ER8 Ultra-Precision Collet |
| -ER8MB | ER8 Microbore Collet |
Feedback (Required)
| Option | Description |
|---|---|
| -E1 | Incremental Encoder, 1Vpp |
| -E2 | Incremental Encoder, TTL, x5 Interpolation |
| -E3 | Incremental Encoder, TTL, x10 Interpolation |
| -E4 | Incremental Encoder, TTL, x25 Interpolation |
| -E5 | Incremental Encoder, TTL, x50 Interpolation |
Notes:
- Digital output encoder signals are synthesized with a 16 MHz clock. Care must be taken to ensure that the encoder sample rate on the controller is at least 16 MHz or higher. Slower clock rates are available on request.
Wrench (Optional)
| Option | Description |
|---|---|
| -WR | Wrench for changing collet |
Metrology (Required)
| Option | Description |
|---|---|
| -PL1 | Metrology, Uncalibrated with Performance Plots |
| -PL2 | Metrology, Calibrated (HALAR) with Performance Plots |
Integration (Required)
Aerotech offers both standard and custom integration services to help you get your system fully operational as quickly as possible. The following standard integration options are available for this system. Please consult Aerotech if you are unsure what level of integration is required, or if you desire custom integration support with your system.
| Option | Description |
|---|---|
| -TAS | Integration - Test as system Testing, integration, and documentation of a group of components as a complete system that will be used together (ex: drive, controller, and stage). This includes parameter file generation, system tuning, and documentation of the system configuration. |
| -TAC | Integration - Test as components Testing and integration of individual items as discrete components that ship together. This is typically used for spare parts, replacement parts, or items that will not be used together. These components may or may not be part of a larger system. |
Accessories (To Be Ordered As Separate Line Item)
| Option | Description |
|---|---|
| Collet-ER8-CLTxx | ER8 DIN6499AA Electropolished Collet, 0.5 mm to 5 mm part diameter sizes available |
| Collet-ER8MB-CLTxx | CLTxx ER8 DIN6499AA Electropolished Microbore Collet, 0.2 mm to 0.9 mm part diameter available |
| CGF | Collet and Gripper Filtration Kit |
ACS150LP Mechanical-Bearing Direct-Drive Rotary Collet Stage
Motor (Required)
| Option | Description |
|---|---|
| -M1 | Low Current, -A Winding |
Feedback (Required)
| Option | Description |
|---|---|
| -E1 | Incremental Encoder, 1 Vpp |
| -E2 | Incremental Encoder, TTL, x5 Interpolation |
| -E3 | Incremental Encoder, TTL, x10 Interpolation |
| -E4 | Incremental Encoder, TTL, x25 Interpolation |
| -E5 | Incremental Encoder, TTL, x50 Interpolation |
Notes:
- Digital output encoder signals are synthesized with a 16 MHz clock. Care must be taken to ensure that the encoder sample rate on the controller is at least 16 MHz or higher. Slower clock rates are available on request.
Rear Seal (Optional)
| Option | Description |
|---|---|
| -SL | Rear Seal |
Wrench (Optional)
| Option | Description |
|---|---|
| -WR | Wrench for Changing Collet |
Metrology (Required)
| Option | Description |
|---|---|
| -PL1 | Metrology, Uncalibrated with Performance Plots |
| -PL2 | Metrology, Calibrated (HALAR) with Performance Plots |
Integration (Required)
Aerotech offers both standard and custom integration services to help you get your system fully operational as quickly as possible. The following standard integration options are available for this system. Please consult Aerotech if you are unsure what level of integration is required, or if you desire custom integration support with your system.
| Option | Description |
|---|---|
| -TAS | Integration - Test as system Testing, integration, and documentation of a group of components as a complete system that will be used together (ex: drive, controller, and stage). This includes parameter file generation, system tuning, and documentation of the system configuration. |
| -TAC | Integration - Test as components Testing and integration of individual items as discrete components that ship together. This is typically used for spare parts, replacement parts, or items that will not be used together. These components may or may not be part of a larger system. |
Accessories (To Be Ordered As Separate Line Item)
| Option | Description |
|---|---|
| Collet-ER25-CLTxx | ER25 DIN6499AA Electropolished Collet, 0.5 mm to 15 mm part holding sizes available |
| CGF | Collet and Gripper Filtration Kit |
ACS200LP Mechanical-Bearing Direct-Drive Rotary Collet Stage
Motor (Required)
| Option | Description |
|---|---|
| -M1 | Low Current, -A Winding |
Feedback (Required)
| Option | Description |
|---|---|
| -E1 | Incremental Encoder, 1 Vpp |
| -E2 | Incremental Encoder, TTL, x5 Interpolation |
| -E3 | Incremental Encoder, TTL, x10 Interpolation |
| -E4 | Incremental Encoder, TTL, x25 Interpolation |
| -E5 | Incremental Encoder, TTL, x50 Interpolation |
Notes:
- Digital output encoder signals are synthesized with a 16 MHz clock. Care must be taken to ensure that the encoder sample rate on the controller is at least 16 MHz or higher. Slower clock rates are available on request.
Rear Seal (Optional)
| Option | Description |
|---|---|
| -SL | Real Seal |
Wrench (Optional)
| Option | Description |
|---|---|
| -WR | Wrench for Changing Collet |
Metrology (Required)
| Option | Description |
|---|---|
| -PL1 | Metrology, Uncalibrated with Performance Plots |
| -PL2 | Metrology, Calibrated (HALAR) with Performance Plots |
Integration (Required)
Aerotech offers both standard and custom integration services to help you get your system fully operational as quickly as possible. The following standard integration options are available for this system. Please consult Aerotech if you are unsure what level of integration is required, or if you desire custom integration support with your system.
| Option | Description |
|---|---|
| -TAS | Integration - Test as system Testing, integration, and documentation of a group of components as a complete system that will be used together (ex: drive, controller, and stage). This includes parameter file generation, system tuning, and documentation of the system configuration. |
| -TAC | Integration - Test as components Testing and integration of individual items as discrete components that ship together. This is typically used for spare parts, replacement parts, or items that will not be used together. These components may or may not be part of a larger system. |
Accessories (To Be Ordered As Separate Line Item)
| Option | Description |
|---|---|
| Collet-ER40-CLTxx | ER40 DIN6499AA Electropolished Collet, 15.5 mm to 25 mm part holding sizes available |
| CGF | Collet and Gripper Filtration Kit |
Notes:
- ER40 collet sizes below 15.5 mm diameter are not supported. Use the ACS150LP if these sizes are required.
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