Small/Mini Motor Types and Applications

When we turn our ideas into reality, we can find several small/ mini motors for different applications like encoders, linear actuators, gear heads, mini dc motors & small stepper motors. These motors will give you the required strength for almost any application which depends on an exact miniaturized movement. Some of the mini motors will reduce the size as well as a weight while rising efficiency & consistency. With utmost performance within a tiny package, these motors will allow you for designing solid machines as well as devices that are easy & very comfortable to use. This article discusses an overview of small/mini motor and its working.

What is Small/Mini Motor?

A small motor is one kind of electric motor, and the main function of this is to change the energy from electrical to mechanical. Small motors are used in electric watches.


Types of Small/Mini Motor

There are some small/mini motors which are discussed below.

Brushed DC Motor

A brushed DC motor is perfect for handy as well as minute devices. This technology provides various benefits like small friction, small starting voltages, lack of iron losses, efficiency is high, thermal dissipation is good & the function of torque-speed is linear. These small motors are mainly designed to provide excellent speed-to-torque act with lesser joule heating.


Brushless DC Motor

BLDC Motor technology maintains the high performance within both slotted & slotless motors. The features of this motor mainly include position control, excellent speed, and torque, long life, higher efficiency & package sizes, etc. Slotless Brushless DC motors utilize a cylindrical ironless loop made within the similar winding method like ironless DC motors, as the slotted DC brushless motors use stators includes windings & lamination.


Micro Stepper Motor

These motors also named as disc magnet stepper motor. These motors are not suitable with any other permanent magnet stepper motor. The advanced technology of these motors allows for really excellent dynamic motor act. The single thin disc magnet allows better step resolutions compare with permanent magnet stepper motors within an envelope, considerably higher acceleration because of the low inertia & better high speed compare with conventional steppers because of a shorter magnetic circuit which offers fewer iron losses. Thus, these motors are perfect for the applications which need quick incremental motion.


Linear Stepper Motor

Linear stepper motor makes translational action with the easy process of a stepper motor. It gives a reliable motion as well as a cost-effective solution. Attaining linear motion inside to the motor removes the designing cost of transmission into the system. The total efficiency can be enhanced with the linear stepper which results in the reduction within external mechanical apparatus. This motor holds the linear position without using power and reduces the power necessities of the system while not in operation.


The accessible captive plan decreases the entire size & generates translational motion as the non-captive linear stepper offers longer travel. The design of ball bearing gives complete life of the motor & allows top load carrying capacity. The linear stepper motor control can be done digitally using a microprocessor without using positional feedback.

How to Make a Small Motor

The designing of a small/mini motor in step by step is discussed below.

Required Materials

The required materials of the small motor include a battery, electrical tape, insulated 22g wire, electrical tape, modeling clay, hobby knife, think marker, circular magnet, and metal sewing needles-2.

Connections & Working

  • Take the marker pen and wrap around 30 times in the middle of the wire, then take off the marker.
  • Wrap each end of the wire loop tightly and end the wires away from the wire loop.
  • Take a hobby knife and cut both sides of the wire equally from the wire loop.
  • Connect the needles at both the ends of the wires from the wire loop.
  • Place the battery downside of the needles and attach some modeling clay. So it doesn’t roll away
  • Take some amount of modeling clay and place it on the needle ends.
  • Connect the needles to both terminals of the battery so that the needles connect to both sides of the battery.
  • Here the two needle ends can be protected by electrical tape, and the coil must be hanging over the battery.
  • Place the small magnet on the middle of the battery so that it can be centered below the coil.
  • The motor will continue to turn while pushed in the correct way, and it will not turn while the first push is in a reverse way.

Small Motor Features

The small motors features include the following.

  • High Efficiency
  • Speed Variability and Speed Control
  • Low Price
  • High Quality
  • High Reliability
  • Communication
  • Dimensions
  • Weight

Applications of Mini Motor

The uses of small/mini motors involve in several many applications like designing sample mini motor projects, CD/DVD players, hard drives, fans, pumps, coffee machines, robotic vacuum cleaners, hairdryers, mixers, bread cutters & spindle drives within modifiable or changeable speed applications. These motors are a very popular choice for increasing the life of the battery for moveable power tools, remote control cars, and model aircraft.

Thus, this is all about an overview of small/mini motors definition, working, different types, features, and their applications. Here is a question for you, what are the advantages of small/mini motors?

Photo Credits: Portescap