Festo has launched a new range of freely-positionable stepper-motors that are an inexpensive alternative to EMMS-AS servomotors. These new 'servo light' electrical drives offer fully controllable motion, operating reliability and options for torque and force control. Until recently, this level of functionality was only possible with the use of servomotors. However, the latter offer far more functionality than is necessary for simple handing jobs.
The new EMMS-ST stepper motors, together with an encoder and appropriate CMMS-ST controller, cater to the demand for a cost-effective, yet versatile, electric drive solution, particularly in sectors such as the packaging industry. In closed-loop operation, the CMMS-ST controller functions as a complete servo-drive package and directs the stepper-motors by controlling current, speed and position. As a result multi-axis stepper-motor solutions can be fully synchronised.
The CMMS-ST can be connected to a CANopen system and can also be configured for use with Profibus or DeviceNet. A mains filter and a braking resistor are integrated, and an SD card serves as a portable memory medium for parameters. The combination of the EMMS-ST stepper-motor and the Festo modular axis system provides a solution for price sensitive applications with a load range of up to 6,5 Nm.
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Wind turbine sizes are increasing at an unprecedented rate. The bigger the turbine, the more power it can generate and the fewer are needed per wind farm. Mammoet has been ahead of the curve in coming up with ways to make the movement of even XXL monopiles faster and more cost-effectively.
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Special machine manufacturer, ruhlamat Huarui Automation Technologies has unveiled the second generation of its mass production line for flexible stators with bar winding (pins). This enables an extremely short production cycle and line changeover times, supported by PC- and EtherCAT-based control technology from Beckhoff.
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When removing steam generators from decommissioned nuclear reactor buildings, the most economical method is to remove them in one piece. Mammoet was commissioned by Framatome to support with the removal of four steam generators from PreussenElektra’s Nuclear Power Plant Unterweser in Germany.
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KSB Pumps and Valves is doubling its efforts to help government and municipalities find practical and technical solutions to the growing wastewater challenges gripping large parts of the country.
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