Constant Tension; that’s the power of this windingmachine.

Constant Tension; that’s the power of this windingmachine. This system was recently commissioning at EFG Equipment. DROMEC winches builds this machine in series for on- and offshore.

With this system, a cable is rinse up and down under continuously adjustable load. In any sector where cables, ropes or umbilicals are winded with great precision, these machines are an efficient solution. Due to the precise and easy operation, the customer saves a lot of time and damage.

Bas Broekman of EFG Equipment: ‘We should have done this ten years earlier, which saved us a lot of time. We now change a wire from a drilling rig in 20 minutes instead of a few hours.’

Power and control

DROMEC winches builds the Constant Tension windingmachine from 1.5 to 250 tons. The pulling force increases from 500 kilos to 44 tons. This makes the system suitable for many segments.

Rigging, cranes, drilling and piling racks, winches and umbilicals are examples of markets and products that benefit from this machine. For accuracy, DROMEC winches builds the windingmachines with electric drive and control. In the context of sustainability, this is an advantage. For a specific application related to the machine, DROMEC winches engineers like to think along with the customer.


Unique to this machine is the control. DROMEC’s own developed software platform, customer-specific wishes for the winding machine are realized. DROMEC winches engineers can watch worldwide in the event of a malfunction. With this platform, the system is able to recover energy. The application of active heave linked to the Constant Tension machine is also a development in which DROMEC winches excels!

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