The Ridder motor gearboxes are maintenance-free, compact power units for driving ventilation, screening and lifting systems in greenhouses and livestock sheds. Motor gearboxes are supplied with fixing bolts and spring washers. Motors can be sprocket drive or equipped with winch or belt drum. Features a self-braking worm gear transmission with a patented integrated linear limit switch system with duty and safety switches having excellent switching precision.
Ridder has tube motors with drive torques of 40, 50 and 120Nm.
Is a maintenance free drive suitable for façade, roof and twin roller screen systems in greenhouses and roller screen systems in livestock sheds.
Worm wheel gearboxes are maintenance free, compact power units for driving ventilation, screen and flap ventilation systems in greenhouses and livestock sheds. The drive torque is up to 600Nm, suitable for intermittent operation and a duty cycle maximum 25 minutes
These are available a right-angled version (RH40E) and a T-version with continuous drive shaft (RH40D). The gearboxes drive torque up to 40Nm and have a rotational speed up to 40 rpm, suitable for intermittent operation and a duty cycle maximum of.
Are compact gearboxes with parallel input and output shaft for use in indirect driven ventilation systems. Single and Double output, vertical and horizontal shaft positions, 50nm drive torque
Stainless steel slide cardan shafts fitted with universal joints for mounting on 20mm diameter shaft, lengths varying between 751mm-3780mm. Connected to (winding) tubes by welded couplings or roll tube couplings.
Sheet steel racks are available in lengths varying from 390mm-1948mm for rack forces 350N or 450N. Also a window connectors (with stainless steel bolt & self-locking nut).
Ridder has rack drives available for 1" or 1 1/4" tubular drive shafts, straight or curved (inside or outside) racks, the rack drives feature hardened pinions (22mm and 30mm), with plastic guide rollers. The Ridder rack drives are low-maintenance drives that can be used to drive continuous vents in greenhouses and flap systems in livestock sheds and stores, etc.
Slide bearing plates with self-lubricating sintered bronze ring bearing for 1" and 1 1/4" tubular shaft are available in lengths varying from 92mm to 250mm.