Addressing semiconductor applications that include precision wafer processing and inspection, the ABS2000 high speed air-bearing spindles have low inherent inertia and high torque output, making them capable of extremely high speeds and accelerations. Balanced to ISO 1940 G 0.4 tolerances, the unit's labyrinth-type sealing minimizes particle migration from the spindle, resulting in certification for Class 1 clean-room operation. Without cooling fins or external cooling, the motor produces more than 0.25 N-m (38 oz-in) of continuous torque. By directly coupling the motor and rotary encoder to a common shaft, the unit achieves a velocity ripple of less than 0.1 percent, an asynchronous error motion of less than 20 nm, and total error motion of less than 100 nm. Spindle resolution can be as high as 0.05 arc sec, when coupled to Aerotech's A3200 controller and Npaq drive rack. For more information on Aerotech ABS2000 Air-Bearing Spindles, go to http://rbi.ims.ca/4925-508.
Our LinkedIn systems and product design engineering group discusses if they are happy with their decision of remaining a technical contributor instead of becoming a manager.
Against a backdrop of mounting product complexity and a need to keep a lid on development costs, companies are recognizing a need to make simulation a more integral part of the design process. In response, vendors in the CAD world are building out CAE functionality as part of their CAD suites while simulation vendors are building tighter integrations to leading CAD tools. Keith Meintjes, Ph.D., Practice Manager, Simulation and Analysis at CIMdata, Inc., joins Design News CAD Editor Beth Stackpole in this radio program to explore the new face of integrated CAD and CAE, how companies are benefitting from this tighter partnership between platforms, and how integrating CAE earlier in the development cycle pays off in optimized product designs.
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