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The graph above shows a torque/speed curve of a typical D.C. motor. Note that torque is inversely proportioal to the speed of the output shaft. In other words, there is a tradeoff between how much torque a motor delivers, and how fast the output shaft spins.
A motor / gear motor performance curve conveys five specific parameters; speed, torque, current draw, power and efficiency. The overall performance data will illustrate the optimal conditions the motor should operate at as well as its limitations.
Electric motor output power and torque vs. rotation speed. Work is the result of a force acting over some distance. Work is quantified in joules (Nm) or foot-pounds. Torque is a rotating force produced by a motor’s crankshaft.
19 cze 2024 · The amazing electric motor torque calculator indicates the relationship between motor speed, power, and torque. Are you looking to determine how much torque you can get at a specific rotational speed?
28 gru 2017 · As loading increases torque increases linearly but rpm decreases linearly, so maximum output power occurs at 50% rpm and torque. Motor efficiency is the ratio of output power (torque x rpm) to input power (Volts x Amps).
The characteristic curves of a given motor are charts that enable us to determine the torque output at a specific speed. This blog explains the DC motor characteristic curves, and how we can use them to select a suitable motor for an application.
The curve is for the wormgear output of the motor (the motor output shaft has a special wormgear pinion and carrier). The units given on the graph are again N·m for torque, and rpm for rotational speed.
