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and system security features, plus the fast response time and easy commissioning of this PLC platform for his team and TK personnel. Greg Earle, VP for sales at Hahn, added, “The Siemens TIA portal was a terrific engi- neering tool, as we were able to configure all the motor and drive components in a tag-based protocol for the individual slave PLCs and the master HMI. It was a very fluid connection process and, in the field, the operators enjoy the added benefit of move- ment, using the remote pendants provided with the system.” As each recipe is called up, he added, the changeover time is significantly reduced, compared to the previous systems in use at ThyssenKrupp. The single sup- plier for the new component feed systems is located in Germany, so the presence of both Hahn and Siemens there was a further advan- tage to TK on this project. “Hahn was extremely competent,” Thys-


senKrupp’s Vibbard said, “and also price- competitive on this project, a very desirable combination in any business relationship. They were able to complete the build and ex- ecute the handshaking between the modules, with full verification on performance, error tracking, safety considerations, fault recovery and alarm alerts.” He noted an extra benefit on the operator screens was a dual language capability, so immediate access and trouble- shooting could be accomplished by the engi- neering teams both in Germany and America. In use, all the communications in the cell, whether from the


The DampTronic Sky technology provides constant variable pressure, adjusted in milliseconds to accommodate road and driving conditions, using two continuously variable valves to adjust the damping force in both extension and compression modes.


robotics PLC, Siemens hardware and software systems or Hahn proprietary logic, are transmitted on a field bus to a single point of control and command, according to Vibbard, who cited this seamless protocol as a significant upside for process engineers and maintenance personnel alike. “The assembly and testing procedures are all TCP/IP friendly, so the cell controls are easily accessible both by our team and remotely by Hahn for trouble- shooting and faster resolution of any issues.” According to the official ThyssenKrupp description of the new shock absorber technology that partially drove the develop-


ment of this project, “The new DampTronic Sky damper [shock absorber] is a further milestone in resolving the conflict between driving comfort on the one hand—an aspect of particular interest in the premium segment— and the driving safety and agility of the car, on the other hand. In this new generation, two continuously variable valves adjust the damp- ing force in each damper: one valve controls the rebound phase—i.e., the force that ensues when the wheel travels down—and the other controls the compression phase. Using the data it receives from the acceleration and wheel-path sensors, the control module of the suspension system can individually adapt the damping forces for each wheel within just a few milliseconds to eliminate the effects of rough road-ride conditions that may detract from the driving comfort for the passengers, while at the same time controlling the dampers in such a way that the chassis is stabilized to the best possible degree. Thanks to the use of two adjustable valves, the damper is also able to ensure that the damping force can be adjusted according to the skyhook principle even in the high-frequency spectrum of the wheel vibrations. By independently adjusting the extension and compression forces, the new ThyssenKrupp DampTronic Sky damper constitutes the high-end system in the semi- active damper segment.” The customer here, ThyssenKrupp, expects significant improvements in the production


schedules with the Hahn Automation master cell on the floor at the Ohio facility. “The relationship we established with and the solution we


proposed to ThyssenKrupp,” Baines said, “would not have been possible without the assistance of the Siemens team, both here in our area and in Germany, supplying product, engi- neering know-how and controls expertise in both locations.” A “glocal” success, indeed.


Edited by Yearbook Editor James D. Sawyer from information provided by Siemens Industry Inc.


75 — Motorized Vehicle Manufacturing 2016


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