VF and W series Worm gears

A smart design enhanced by latest materials technology and advanced manufacturing

Wormgears of the VF series are milestones for the industry worldwide. They succeeded in combining uncompromising quality with state-of-the-art technology amd renown price effectiveness.

Absolute flexibility is given by the wide choice of several mounting options, shaft configurations and motor interface, all offered as standard. The helical-worm and the double-worm version, with or without the torque limiter, also add up, creating a highly versatile drive system.


VF 27
VF 30
VF 44
VF 49
Torque Nm

Torque Range
13 Nm... 7.100 Nm
Mechanical Rating (n1= 1400 min-1)
0,04 ... 75 kW
Gear ratios
7 ... 10000
Output Configurations
Keyed Hollow Shaft
Plug-in Solid Output Shaft
Torque Limiter as an Option
Input Configurations
VF and W: IEC-standard motor adapter
VF and W: solid input shaft
W: integral gearmotor
Applicable AC motors
VF and W: IEC-standard motors and brake motors - BN series
W: compact motors series M
Single and dual speed motors
Main Brake Features
DC and AC supply
Faster Brake Engage/Disengage through Electonically
Controlled AC/DC Rectifier type SB, NBR, SBR (options)
Main Motor Options
Thermistors and Thermostates sensor
Separate Supply Forced Ventilation
Line Driver and Push-Pull Incremental Encoder