Geared motors

Drive dimensioningDimensioning1. Calculate the required load capacityWork out the output torque M 2 and speed n 2 required[Calculate the required motor power P 1 = M 2 · n 29550 · [Calculate the duty class:[2Duty Type of load IntensityclassI Smooth running, minor or negligible shocks F I ≤ 1.25II Irregular running, average shocks 1.25 < F I ≤ 4F I (geared motor) =J ext + J motJ motIIIIrregular running, major shocksand/or alternating loadsF I > 4F I (gearbox) =J ext + J AJ A[Calculate the temporal factors:˘ Running time/day˘ Switching operations/hour[Use the diagram to determine the operating factor k of the machine[Running time/day24 h 16 h 8h1.8 1.7 1.6IIIOperating factor k1.71.61.51.41.61.51.41.31.21.51.41.31.21.11.0III1.31.10.91.21.00.80100 200 300 400 500 600 700 800 900 1000 1200 1500 1/hSwitching operations/hour[Requirement for geared motor: c (selection table) ≥ kRequirement for gearbox: M 2 perm (selection table) ≥ M 2 ·k2-6 G-motion const en 11/2004