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Overview
The Primatics PDR160 rotary tables are among the most advanced direct drive tables available—featuring a high performance direct drive motor that creates sub arcsecond repeatability and fast settling times, the PDR series is ideal for semiconductor wafer inspection, high speed laser machining, and precision metrology. The PDR160’s compact design also has a smaller footprint than comparable worm drives.
Details
SUPERIOR PERFORMANCE
The PDR160’s high efficiency, neodymium servo motor permits greater acceleration, shorter settling times and less motor heating than other types of direct drive stages. Additionally, the PDR motors have a high pole count, which aids in obtaining low velocity ripple even at very low speeds—a high performance motor, coupled with platen mounted, high resolution glass scale, results in high servo stiffness over a wide dynamic range.
An oversized cross roller bearing and drivetrain guarantees long, trouble-free operation. Additionally, the PDR has a hemisphere switch for quick homing.
The Primatics PDR160 direct-drive rotary stage is larger than the PDR110 and can handle heavier loads while maintaining a low-profile.
Features
- 360 degree travel
- Resolution up to 0.063 arcseconds
- Accurate to within +/-5.0 arcseconds
- 20 kilogram axial load