Power range at 1500rpm: 0.25-45 KW
Adjustment range: 5.5…6.7 (depending on size)

Available versions:

• Mechanically adjustable pulleys with bearing cover .
• Mechanically adjustable pulleys without bearing cover.
• Mechanically adjustable for central adjustment.
• Spring loaded with disc spring.
• Spring loaded with reinforced disc spring.
• Spring loaded with 6 cylindrical pressure springs.
• Spring loaded with 8 cylindrical pressure springs.

Advantages:

• Speed adjustment: with constant axis distance.
• Corrosion protection: standard.
• Torque transmission: polygon.
• Belt pretension by pressure or disc springs, location: on one side.
• Pulleys don’t require maintenance.
• Mechanical efficiency: 0.79-0.85.
• Ambient temperature: -20 to +40°C.

Material:

• Disc pulleys: aluminum.
• Hub: St52-3k.

Suitable for:

• Clock-pulse operation.
• Shock loaded/rough operation.
• Humidity/dust.

Options:

• Central adjustment.
• Variable speed belts.
• Hand wheel.