Small motors convert electric energy into mechanical energy. Depending on the power supply, small motors are an efficient size and incredibly pleasant and practical to operate. Small electric motors are dependable equipment; however, as simple devices, it may be faster to replace a motor than to fix it. Read More…
Leading Manufacturers
ElectroCraft, Inc.
Stratham, NH | 844-338-8114When reliability and power are a must, the universal motors you find at ElectroCraft can operate with high efficiency, low voltage, and at a low cost. Applications that our universal electric motors serve include robotics, packaging, automotive, and medical equipment. Electric motor products include the CompletePower™ Plus Universal Drive, complete with a user-friendly configurable interface. For more details, contact ElectroCraft today!
Koffler Electrical
San Leandro, CA | 510-567-0630Our specialty is electrical mechanical apparatus remanufacturing. We are the largest repairer of electric motors such as AC motors, DC motors, fractional HP motors and other small specialized equipment to 30,000 HP. In addition, we sell new electric motors (AC & DC), gearmotors and gearboxes.
Carter Motor Company
Monroe, WI | 608-325-9161At Carter Motor, some of the motors manufactured include AC universal motors, small motors, DC universal motors, DC permanent magnet motors, DC shunt wound motors and gearmotors, along with many others. All Carter Motor products are designed and assembled in the United States by hard-working employees. From engineers to shipping clerks, the staff takes pride in every part of the process.
Dumore Corporation
Mauston, WI | 888-467-8288Dumore Corporation is a leading designer of DC motors, custom fractional horsepower motors, gear motors and universal electric motors. Our high-quality fractional motors are used in a variety of applications and markets. In business since 1913, we have continued to manufacture our custom high-quality UL listed OEM motors. Dumore DC motors and gear motors are designed for complete, cost effective customization to meet your exact requirements or work with our team for a custom solution!
Hankscraft, Inc.
Reedsburg, WI | 608-524-4341Hankscraft has been in the fractional horsepower motors industry since 1920. With our extensive background in the industry and years of experience we are a trusted manufacturer and supplier. our decades of contract manufacturing experience, have given us the knowledge and expertise to have an extensive and growing list of capabilities available for our customers worldwide.
Operating Concept for Small Motors
Small motors use a powerful magnet to create rotation and convert electric energy into rotational motion. The little motor can spin in various directions depending on how the battery leads are connected. Small motors are available as either single-phase or three-phase options. They are frequently inexpensive and simple to maintain.
Small Motor Types
These small motors enhance performance when used to improve accuracy. Several examples of small motors include:
Small Brushless DC Motors
Brushless small motors stand out for their incredible speed control and longer operating life. The exceptional velocity and torque of small brushless motors make them a practical choice for many applications. Brushless motors are available as slotless motors or slotted small motors. Slotless motors are built with stators and use an ironless motor with coils fashioned like tubes. These motors are even capable of carrying out sterilizing tasks.
DC Motor with Brushes
A brushed DC motor is suitable for large and small devices. Brushed DC motors have several advantages, including low friction, low starting voltages, negligible iron losses, great efficiency, good thermal dissipation, and a linear relationship between torque and speed. These tiny motors are primarily made to offer outstanding speed-to-torque performance with minimal joule heating.
Motors with Linear Steps
Small motors with linear steps produce translational motion. They are affordable solutions to tasks requiring reliable, controlled motions. Linear motion simplifies the motor design. Removing outside elements boosts the motor’s overall efficiency. The ball bearing variant creates easier load handling and extends the motor's life. With digital management, the motor can be managed by a microprocessor.
Micro Stepper Motor
Micro stepper motors are small brushless DC motors that divide full rotations into equal steps. A micro stepper motor is also referred to as a “tiny step motor” or a “micro-stepping motor.” The motor’s torque and speed should be correctly scaled for specific uses. The position of the motor can be programmed to move or hold at any step without using a feedback position sensor. This is known as an open loop controller.
Other types of small motors include:
- Can Stack
- Surgical motors
- Ultra EC motors
Applications
Small motors' features like compact design, resistance, and simple programming, make them useful for many applications, including:
- Textile and footwear manufacturing
- Timber applications
- Plastic and rubber manufacturing
- Used in toys, and watches
- Printing industry
- Nautical purposes
- Bottling
- Electromechanical and motorized industries
- Applicable in medical operations
- Consumer products such as hairdryers, coffee machines, robotic vacuum cleaners, CD/DVD players & hard drives
- Fans
- Pumps
- Spindle drives within changeable speed applications.
Factors to Consider When Buying Small Motors
When choosing a small motor, it’s important to consider how the motor will be used. Will the motor be running continuously or intermittently? What are the voltage ratings? Do you need a specific weight or customizable speeds? Even if the horsepower exceeds one unit, a motor may still be categorized as a fractional horsepower motor. To assess whether a motor meets the requirements to be classified as a NEMA motor, the National Electrical Manufacturers Association (NEMA) established frame size standards. The one horsepower rule does not apply if the motor's frame size is a 42, 48, or 56.
