Integral pneumatic collet chuck
ER16 collet accepts 0.5 mm to 10 mm O.D. tubing
Clear aperture for product feed-through
Threaded collet retainer enables rapid tooling changeover
Normally-closed collet configuration
Low-inertia shaft for maximum acceleration
Direct-drive brushless motor and encoder
Maintenance-free, frictionless rotary union
High-speed (2000 rpm) and standard-speed (800 rpm) options
Aerotech\'s ASR1100 series is an extension of the ASR1000 direct-drive rotary stage. The ASR1100 adds an integral pneumatically-operated collet chuck providing out-of-the-box material handling capability.
The collet chuck on the ASR1100 accepts ER16 series collets. These collets are readily available in multiple sizes supporting tube diameters from 0.5 mm to 10 mm. The collet is retained with a threaded retaining cap that enables quick changeover to different tube diameters. The collet chuck is configured in a fail-safe mode where full clamping force is applied when no air pressure is present. Applying air pressure up to 100 psi adjusts the collet from fully closed to fully open. Air is delivered to the rotating collet assembly through a custom-designed frictionless, seal-less, rotary union. This 100% noncontact rotary union design ensures a lifetime of maintenance-free operation. The combination collet chuck and rotary union 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.
The ASR1100 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, yielding higher total overall throughput. This makes the ASR1100 an excellent choice for processing small-diameter tubular materials.
The low maintenance and high throughput characteristics of the ASR1100 provide a stage that yields the lowest total cost of ownership.
The design of the ASR1100 series direct-drive rotary stage was optimized to minimize stage weight and rotating inertia. The resulting product, with a net overall weight under 5 kg, is significantly lighter than competitive product offerings. When used in a multi-axis system the lower weight results in an increase in performance for all positioning stages carrying the rotary stage.