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Worm Geared Motors - VF and W Series

A Smart Design Enhanced by Latest Materials Technology and Advanced Manufacturing

Bonfiglioli worm gears are milestones for the industry worldwide. They succeeded in combining uncompromising quality with state-of-the-art technology and 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.


Torque Range

13 Nm ... 7.100 Nm

Mechanical Rating (n = 1400 min -1)

0.04 KW... 75 KW

Gear Ratios

7 … 10,000

Output Configurations

Keyed hollow shaft Plug-in solid output shaft Torque limiter as an option

Input Configurations

VF and W: IEC - standard motor adapters VF and W: Solid Input Shaft

Applicable AC Motors

VF and W: IEC - standard motors and brake motors - BN series/BE series W: integral motors and brake motors series M/ME series Single and dual speed motors

Main Brake Features

DC and AC supply Faster brake engage / disengage through electronically controlled AC/DC rectifier type SB, NBR, SBR (options)

Main Motor Options

Thermistors and thermostats sensors Separate supply forced ventilation Line driver and push–pull incremental encoder