Rotary Air Bearing Stages Position Precisely
Rotary air bearing stages intended for demanding high precision/high throughput applications feature a non-contact design to give a long working life and low maintenance.
Aerotech's ABRT series of rotary stages combine innovative air bearing mechanics, direct-drive servo technology and ultra-high precision angle encoders to provide exceptional levels of angular positioning performance. They are made in three models with nominal tabletop diameters of 100mm, 150mm and 200mm.
The stages accept up to 70kg load capacity and have bidirectional repeatability to less than 1 arc-sec (< 5 microradians) and are calibrated to an angular accuracy of +/-2 arc-sec.
Featires also include the following.
* The ABRT series feature large-area air-bearing surfaces that are fully preloaded to ensure maximum stiffness, high load capacity and extremely low axial, radial and tilt motion errors.
* Aerotech's high torque S-series direct-drive brushless and slotless servo motors are directly coupled to the precision encoder feedback system, providing exceptionally smooth and backlash-free motion with excellent in-position stability.
* Overall angular resolution when using Aerotech's A3200 Automation Platform controller and MXH500 multiplication is 0.133 microradians for the largest stage.
The entirely non-contact design ensures an extremely long life with almost no maintenance required.Aerotech told that the ABRT rotary stage is ideal for demanding high throughput manufacturing and inspection applications found in semiconductor production, DVD mastering, and MEMS/nanotechnology fabrication.
The range can also be used as the enabling technology for high precision metrology and other positioning applications requiring extreme levels precision.
* Clear aperture for laser beam delivery - each of the three stage designs includes a through hole, which can provide a clear aperture for laser beam delivery, product feed through or other application specific requirements.
Manufactured from aluminium, black anodised and with a hardcoat finish for extra durability, the ABRT series includes an assortment of mounting holes, T slots and a connector block for motor power and feedback connectors.
Custom engineered modifications can include adaptation for rate table and inertial navigation test stands with slip rings, pneumatic and hydraulic unions built-in.cosmetics packaging,motorcycle,china manufacturers,casting,translation ,bearings,ball bearings,automotive bearings ,Clutch Release Bearings ,Thrust Bearing,Wheel Bearings,industrial bearings ,Ball Bearings,Special Bearings,Tensioner bearings
The ABRT series can be supplied as part of a complete positioning system along with linear air bearing stages and motion controls from the extensive Aerotech range.Single axis and multi axis linear air-bearing stages cover travel ranges from 150mm to more than 1.5m x 1.5m for gantry style positioning systems.
Motion products from Aerotech can include the following.
* Work handling components.
* Special fixtures.
* Machine base or other components and assemblies.
Systems are delivered completely tested and fully cabled with performance and calibration related documents included, along with motor parameter set-up data based on actual loading conditions.
* Automation software - Aerotech's software based A3200 Digital Automation Platform can control to 32 FirewireR interfaced motion axes and a vast complement of machine I/O.
With optional machine control modules for HMI, PLC and vision control, the A3200 uses the MicrosoftR .NET development environment to help reduce project development timescales and simplify device integration.
Programming languages include Aerotech's own AEROBasic or RS274 G-code, C, C++, VisualBasicR, Delphi and Labview.The A3200 delivers fully deterministic position, velocity and time based motion updates to Aerotech's NdriveR amplifiers, which are available in PWM and linear drive technologies to allow users to select the right choice for highly dynamic or ultra high precision applications.
* Intelligent panel mount drives - Aerotech's new Ensemble CP/MP/CL intelligent panel mount drives provide an alternative where distributed control over Ethernet may be advantageous.
With Aerotech's AeroNetT deterministic high-speed serial network for up to ten axes, the new intelligent drive seamlessly combines a choice of PWM or linear amplifier technology and a powerful motion controller to provide tightly synchronised precision motion with a generous complement of on-board I/O.
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