Variable Speed Drives => Variable Speed Pulleys => Manually Adjustable Pulleys

Manually Adjustable Pulleys

Manually adjustable pulleys allow you to adjust the speed without stopping the machine. These are available from 3 different suppliers Lovejoy, Miki Pulley and Hi-Lo.

Stationary Adjustable Pulleys

Stationary Adjustable Pulleys are designed to allow adjustment of pitch diameters while stationary. They are suitable for Z - SPZ , A - SPA, B - SPB , C - SPC section V-belts. Both one groove and two grooves are constructed in high quality cast iron. One of the flanges has to be screwed on the threaded hub. The movable flange is provided with grub screws for fixing into required position. It is advisable to grease the hub threads periodically.
Pilot Bore and Taper Bore are available.

 

Brand:- SIT

Manually Adjustable Pulleys

Manually adjustable pulleys allow you to adjust the speed without stopping the machine. A small hand wheel is fixed to one end and when this is turned the flanges of the pulley will open or close adjusting the speed of the drive. A small torque arm is also attached near the handle this must be attached to the machine so that the hand wheel remains stationary while the pulley is rotating. These pulleys are available from 3 different suppliers Lovejoy, Miki Pulley and Hi-Lo.

 

Brand:- Lovejoy, Miki Pulley & Hi-Lo