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All Contraves motors, controllers and HRU, PCU, ETU drive systems with encoders for the V1 and V2 drives at the ream discharge are obsolete. Any break down of these parts will cause an extensive and expensive, unplanned stop in production.

For a minimal investment, this upgrade replacing only obsolete parts greatly improves machine availability. The Contraves motors are exchanged for maintenance-free, state-of-the-art AMK AC servo drive motors and the Contraves drive components in the electrical cabinets are replaced by modern AMK drive components.

The use of just one type of motor and one type of controller reduces the number of spare parts needed. New cables to and from the controllers and motors are included in the scope of supply.

No mechanical parts are replaced or modified and the existing coupling will be kept. All original ream discharge functions remain unchanged and are transferred to the new AMK drive system.