Helical/worm gearboxes
Varvel gearboxes

Single stage helical gearbox
Available in 3 reduction ratios (3,5 – 6,3 – 8)
RA-TA
Gearboxes RA made up of an helical XA with RS worm gearbox with round housing, available in 9 sizes.
Gearboxes TA made up of an helical XA with RT worm gearbox with square housing, available in 7 sizes.
Modularity of motor mounting flanges and output flanges, fitted on already assembled gearbox.
Reduction ratios range from 1/25 to 1/800.
Maximum output torque of 2860 Nm for the RA series.
Maximum output torque of 1200 Nm for the TA series.
These gearboxes are designed for IEC, NEMA, brushless, and stepper motors.
On demand: ATEX certification, versions with torque limiters, wormshaft with 2nd shaft end, reinforced output bearings.