14 spectrum METAL FORMING 2012 Ser vo-presses O ver the last 20 years, the drag link system patented by Andritz Kaiser GmbH from Bretten, Germany, has stood the test of time in over 300 stamping and forming presses under harsh operating conditions. The “intelligent gear unit,” as managing director Stefan Kaiser refers to the drag link drive, features a variable transmis- sion ratio and force paths within the operating range that are almost

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