The NEMA 23, 1.8-degree bipolar step motor has an integrated controller and delivers up to 294 oz-inch of holding torque. The unit has an input voltage range from 12 to 40V dc, phase current range from 0.3 to 3.0A peak, and microstepping capabilities of 2, 4, 8, 16, 32, 64, 128, and 256x. With its integrated controller, the 23CE provides stand-alone operation without connecting to a PC. Four Kbytes of memory store up to 16 different programs. The unit has two dedicated inputs: one for an optical sensor for homing and another for switch closure to ground. Programmable items include four user-configurable digital I/O's, software-selectable hold and move currents, and fully-programmable ramps and speeds. System-level enhancements come from an optional converter card for RS485 communication and the integrated encoder with position correction capabilities that operates up to 1,250 cycles per revolution (CPR).
Almost every automaker has had to 'pick a side' when it comes to alternative fuel options and ways to divest from a reliance on gasoline. Fiat is looking to back compressed natural gas or liquid propane as an interim solution.
Designing and filling a new type of water bottle might take less engineering work, but the description will help kids understand how science, math, and engineering influence their lives even through things that seem mundane.
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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