Uniform Agitators and mixers for uniform density, conveyors, generators, small winches. Moderate shock Crane slewing, travel and hoist, calenders, concrete mixers and pumps, piston pumps. Heavy shock Crushing machines, excavators, foundry equipment, mills, presses, rolling mills, rotary boring tools. Start/stop frequency Driven machine Type of loading Uniform Electric and hydraulic motor Light shock Multi cyl. combustion engine Moderate shock Single cyl. combustion engine 1.0 - 1.3 1.0 - 1.3 1.0 - 1.3 1.3 - 1.7 1.7 - 2.0 2.0 - 2.5 1.7 - 2.0 2.0 - 2.5 2.5 - 3.0 Fewer More Fewer More Fewer More Type of loading Table 1: Application Factor Table 3: Temperature Factor ft (--). This is used to adjust the table value of P for a choice of ambient temperatures and percentages of usage based on the principle: 1 hour continuous duty = 100% usage 100% 75% 67% 50% 33% 25% 20% 10% 1.29 1.48 1.57 1.82 2.24 2.57 2.87 3.00 1.14 1.32 1.40 1.62 1.99 2.29 2.56 3.00 1.00 1.15 1.22 1.41 1.74 2.00 2.24 3.00 0.86 0.99 1.05 1.21 1.49 1.71 1.92 2.71 0.71 0.82 0.87 1.01 1.24 1.43 1.60 2.26 0.57 0.66 0.70 0.81 0.99 1.14 1.28 1.81 0°C 10°C 20°C 30°C 40°C 50°C Ambient Temperature: Temperature Factor ft Percentage of Utilization at Equal Distribution over 1 Hour Table 4: Speed Factor f (--). Is used to adjust the table value of P for different input speeds than the rated value of 1500 rpm. v 0.50 0.43 3000 Input Speed n (rpm) 1 Speed Factor fv 0.62 0.56 2500 0.75 0.71 2000 0.88 0.82 1750 1.00 0.95 1500 1.25 1.18 1250 1.50 1.41 1000 1.75 1.68 750 2.00 1.90 500 Horizontal Mounting Vertical Mounting Planetary Gearboxes Gear Selection Factors 40 www.jbj.co.uk/planetary-gearboxes.html #DriveLineHarmony
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