How do you calculate torque on a stepper motor?

To calculate load torque, multiply the force (F) by the distance away from the rotational axis, which is the radius of the pulley (r). If the mass of the load (blue box) is 20 Newtons, and the radius of the pulley is 5 cm away, then the required torque for the application is 20 N x 0.05 m = 1 Nm.

How do you calculate motor torque in NM?

HP to torque (Nm) Calculation: Torque T(Nm) in Newton meter (Nm) is equal to the 746 times of power P(HP) in horsepower divided by the 0.105 times of the motor speed N(rpm) in RPM. In another short word, 7127 times of horsepower divided by the motor speed is equal to motor torque.

How is motor torque calculation?

1. Torque (lb.in) = 63,025 x Power (HP) / Speed (RPM)
2. Power (HP) = Torque (lb.in) x Speed (RPM) / 63,025.
3. Torque (N.m) = 9.5488 x Power (kW) / Speed (RPM)
4. Power (kW) = Torque (N.m) x Speed (RPM) / 9.5488.

What is the torque of stepper motor?

Holding torque is a measurement of how much rotating force is required to force a stationary stepper motor shaft out of position. Holding torque (T) is the product of a motor’s torque constant (KT) and the current (i) applied to the stator windings.

What is the torque of a motor?

Torque: The torque output of a motor is the amount of rotational force that the motor develops. The torque of a small electric motor is commonly measured in either inch pounds (in-lbs), Newton meters (N-m) or other directly converted units of measure.

What is motor torque and load torque?

Electrical motor torque is proportional to the product of magnetic flux and the armature current. Mechanical or load torque is proportional to the product of force and distance. Conversely, when a motor is accelerating, the motor torque is higher than the load torque.

How is torque measured on a rotating shaft?

The meter calculates the power input by measuring the current and voltage in the line driving the motor. The electrical power input is converted to an estimated torque by knowing shaft speed (usually measured via a tachometer) and the motor efficiency (usually specified by the motor manufacturer).

Which torque is high in stepper motor?

This is referred to as the motor’s holding torque and is the torque required to move the motor one full step when the coils are energized but the rotor is stationary. A stepper motor’s holding torque is higher than its running torque and is limited primarily by the amount of current the motor can withstand.