The company has added a multi-axis contouring capability to its line of SmartMotors. The SmartMotor is a single component that combines the technologies of servomotor, amplifier, encoder and PLC. This integrated servo motion control system delivers higher reliability, smaller footprint and simplified field service, according to the company. With this new contouring capability, an RS-485 network of SmartMotors can perform motion profiles as complex as multi-axis splines or as simple as circular and linear interpolation.
CAD and G-Code interfaces can turn a laptop computer and three SmartMotors into a complete three-axis CNC control system on the back of the machine, without a NEMA cabinet. A SmartMotor-based machine consists simply of motors and a PC, a makeup the company says will not call for expensive service or render the user helpless by creating extended dowtime.
The contouring function employs PC-resident drivers. These drivers are used by host interfaces and arc available to OEMs for custom applications. The interfaces are compatible with Visual Basic as well as many other tools.
Applications that benefit from this technology range from CNC milling and turning to laser cutting and water jet cutting to glue laying or engraving. It is appropriate for any application where circular interpolation and G-Code compatibility are needed, but also where the machine builder wants a simpler, less expensive solution that is easier to support.
All that is needed is a PC with an RS-232 port. The company supplies an RS-232 to RS-485 converter, resident to the mating connector to link the chain of SmartMotors. Because bulky PC expansion cards are not used, a simple laptop will complete a system
http://findarticles.com/p/articles/mi_m3101/is_4_73/ai_65806302
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