How do I size a motor?

How do I choose the right motor?

Consider an application’s purpose and which current it uses to select the appropriate type of motor. An application’s specifications such as voltage, current, torque, and velocity will determine which motor is most appropriate so be sure to pay attention to its requirements.

How do you read a motor size?

A motor size is based on the stator size (diameter and height).. For example if a motor is sized as 2207, it means that the stator is 22mm in width and has 07mm in stator height.

How do you calculate motor horsepower?

The equation to calculate horsepower is simple: Horsepower = Torque x RPM / 5,252.

How do you determine motor capacity?

Calculation of motor capacity

  1. n = i x n1. n : Motor speed (min–1) n1 : Speed of gear output shaft or pulley etc. attached to it. i : Reduction ratio of gear head (e.g. i = 20 for 1/20)
  2. 1) Set the suitable SPEED.
  3. 2) Voltage calculation.
  4. 3) Torque measurement.
  5. 4) Set the speed torque.

How do I choose a motor and gearbox?

Basics of Gearbox Selection

  1. Service Factor. Before sizing an application, the customer should determine the service factor. …
  2. Ambient Temperature and Environment. …
  3. Shock Load or Type of Load. …
  4. Output Style or Mechanism. …
  5. Output Shaft or Hollow Bore Size. …
  6. Housing Styles.
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Which motor is best for exoskeleton?

Exoskeletons commonly use miniature brushless DC motors with additional products such as gearboxes for attaining high torque and encoders for positional feedback. Typical application requirements include high torque, long battery life and the ability to work under load, e.g. in a seated position or on a staircase.

What does motor size mean?

What does engine size mean? Engine size may also be referred to as ‘engine capacity’ or ‘engine displacement’ and is the measurement of the total volume of the cylinders in the engine. The bigger the engine size, the more space there is for air and fuel inside it.

What does Kv mean for motors?

Kv describes the RPM (revolutions per minute) a motor does per Volt that is put into it. Generally speaking the more Kv a motor has, the more RPM and more power. For example, a 9000Kv motor would be faster than a 2200Kv motor. If Kv is like horsepower, then Turns is the physical attribute of a motor.

What do the numbers on a motor mean?

Generally, the first two numbers indicate the diameter of the entire can of the motor OR the diameter of the stator (the inner part of the motor) only. … Similarly, the second pair of numbers can indicate either the height of the entire motor, or only the height of the stator.

What is a horsepower equal to?

The electrical equivalent of one horsepower is 746 watts in the International System of Units (SI), and the heat equivalent is 2,545 BTU (British Thermal Units) per hour. …

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How much current does a 1.5 hp motor draw?

Common Horsepower to Amps Conversions

Horsepower Amps Efficiency
1 HP 6.91 A 90%
1.25 HP 8.63 A 90%
1.5 HP 10.4 A 90%
1.75 HP 12.1 A 90%