Deltran Clutches & Brakes Catalog 2009 - Thomson - #101

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www.thomsonlinear.com 99 FRICTION Clutches & Brakes Disregarding frictional losses in a pulley, gear or sprocket system incorporating a clutch and running at a constant speed, the HP delivered by the clutch equals the HP of the prime mover. However, the torque imposed on the clutch may be greater or less than the torque on the prime mover depending on the ratio of the speed of the shafts. Generally, the faster the clutch shaft speed, the lower the torque required to drive the load. The application charts below can be used as a quick and easy reference to determine the proper sizing of a clutch or brake based on motor horsepower and speed. However, when precise control and life expectancy are critical all design considerations should be evaluated. Torque, Horsepower & Speed Light to Medium Duty Applications (K = 1.5) 100 200 300 400 500 600 Clutch or Brake Shaft Speed in RPM 700 800 900 1000 1100 Series 17 Series 19 Series 22/23 Series 26/28 Series 30 Series 40 S E O R H O R P W E 1/50 1/20 1/12 1/8 1/6 1/4 1/3 1/2 3/4 1 1 1/2 2 3 5 7 1/2 1200 1500 1800 2000 2400 3000 3600 4000 4600 5000 Heavy Duty Applications (K = 3.0) 100 200 300 1/50 1/20 1/12 1/8 1/6 1/4 1/3 1/2 3/4 1 H O R S E P O W E R 1 1/2 2 3 5 7 1/2 400 500 600 700 800 Series 17 Series 19 Series 22/23 Series 26/28 Series 30 Series 40 Clutch or Brake Shaft Speed in RPM 900 1000 1100 1200 1500 1800 2000 2400 3000 3600 4000 4600 5000 Selecting a Clutch or Brake