Stand-alone, Belt-type Stepless
Speed Changers

P MODELS
These are VARI-DIA pulleys that use standard V belts. They are mounted on a motor, and change the RPM by moving the motor and forcibly changing the pitch diameter of the belt attached to the pulley.They are easily mounted on a motor shaft, since they use an adapter system. They also produce excellent performance from a simple mechanism; for example, a proprietary cam mechanism prevents slips.

PK MODELS
These are VARI-DIA pulleys that use wide speed-change belts. They are used by mounting them on motors.Use of wide speed-change belts provides larger speed-change ratios, ensuring very large transmission capacity. There are six sizes of compatible motors, ranging from 0.4 kW (4-pole) to 18.5 kW (6-pole).

PF MODELS
These are VARI-DIA pulleys that use wide speed-change belts. They are used by mounting them on motors.Use of wide speed-change belts provides larger speed-change ratios, ensuring large transmission capacity. The optimal double-swinging design of the pulley for the wide speed-change belt also keeps the belt's run-line constant, giving the belts exceptionally long service life. There are four sizes of compatible motors, ranging from 0.4 kW to 3.7 kW (4-pole).

R/RK/RH MODELS
These are motor slide bases that move the set motor when changing the speed of a VARI-DIA pulley.Place the motor on which the VARI-DIA pulley is mounted onto the motor slide base and then simply rotate the handle to change the distance between the motor and driven-side shafts, easily change the speed.

L MODELS
These are speed-change pulleys that are embedded between the motor and the machine.A cone that can move freely in the thrust direction reciprocally changes the pitch diameter of the intermediate gear pulley hung on the motor side and the intermediate gear pulley hung on the machine side, thereby varying the speed. Work the lever to move the pulley and change the speed.

U MODELS
These are speed-change pulleys that are embedded between the motor and the machine.A cone that can move freely in the thrust direction reciprocally changes the pitch diameter of the intermediate gear pulley hung on the motor side and the intermediate gear pulley hung on the machine side, thereby varying the speed. Work the handle to move the pulley and change the speed.

T MODELS
These are speed-change pulleys that are embedded between the motor and the machine.A cone that can move freely in the thrust direction reciprocally changes the pitch diameter of the intermediate gear pulley hung on the motor side and the intermediate gear pulley hung on the machine side, thereby varying the speed. The T models can be freely used in designs that embed them in machinery.