Combination worm gearboxes, consisting of two gearboxes fitted in cascade one after the other, that is to say arranged in series one after the other, in such a way that the total reduction ratio of the combination unit is equal to the product of the individual ratios of the two mutually connected single stages.
All combination gearboxes are available both with PAM input, in other words ready for direct connection to the electric motor, and with the solid input shaft for connection to an input transmission.

The product designation is as follows:

  • VKS combination gearbox with PAM pre-arrangement
  • VKE combination gearbox with solid input shaft