Karry Yu

Encoder Waveform Testing Completed Before Motor Shipment

UNITED MOTION INC. Performs Pre-Shipment Encoder Signal Inspection to Ensure Reliable Motor Feedback At UNITED MOTION INC., every motor with an encoder goes through a dedicated inspection process before shipment. Recently, our quality control team completed encoder waveform testing on a batch of motors to verify the stability and consistency of their feedback signals. Encoder […]

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Company News

How to Choose a BLDC Motor?

Choosing the correct BLDC motor is not simply a matter of matching voltage and rated power; for industrial automation, robotics, pumps, electric mobility, solar tracking, lawn equipment, and other motion-control applications, the motor must be selected as part of a complete electromechanical system in which torque, speed, acceleration, thermal behavior, controller compatibility, mechanical installation, feedback,

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Motor School

Key Challenges When Using BLDC Motors in Medical Devices

The main challenges when using a BLDC motor in medical devices are electromagnetic compatibility (EMC), acoustic noise and vibration, thermal management, precise speed and torque control, long-term reliability, sterilization compatibility, and material safety. Unlike general industrial equipment, a medical device must maintain its required function under defined electrical, mechanical, thermal, and environmental conditions, so selecting

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Motor School

Engineering Miniature BLDC Motors for Magnetic Gear Pumps: Key Design Challenges

UNITED MOTION INC. is advancing the development of customized BLDC motor solutions for miniature magnetic gear pumps, where compact dimensions, leak-free operation, chemical resistance, efficiency, and precise mechanical tolerances must be considered simultaneously. Unlike conventional motors, BLDC motors used in magnetic drive pumps operate in a highly integrated environment involving electromagnetic coupling, fluid compatibility, sealing,

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Company News

EV Industry and the Growing Demand for BLDC Motors

The growing demand for BLDC motors is closely connected to the rapid electrification of transportation, particularly in electric two-wheelers, three-wheelers, light electric vehicles, and auxiliary systems such as cooling fans, pumps, HVAC actuators, power steering, and other electromechanical subsystems. BLDC motors combine high power-to-weight ratio, low maintenance, compact construction, high efficiency, and precise electronic speed

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Industry News

What Are the Fundamental Principles of a BLDC Motor Driver Circuit?

A BLDC motor driver circuit converts DC electrical power into controlled three-phase current for a brushless DC motor by coordinating rotor-position detection, electronic commutation, PWM voltage control, current regulation, and power-switch protection. In a conventional six-step BLDC system, three Hall sensors identify the rotor’s electrical position, a microcontroller or motor-control IC interprets the Hall pattern,

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Motor School

How Do Magnetic Gear Pumps Compare to Traditional Gear Pumps?

A magnetic gear pump uses a magnetic coupling to transmit motor torque through a stationary containment barrier, eliminating the rotating shaft seal, while a traditional gear pump normally transfers torque through a mechanical shaft and therefore requires a dynamic seal or other shaft-sealing arrangement. The pumping principle remains fundamentally similar: meshing gears create expanding cavities

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Motor School

What Is the Main Principle Behind a Magnetic Gear Pump?

The main principle behind a Magnetic Gear Pump is the combination of positive-displacement gear pumping and non-contact magnetic torque transmission. Instead of using a conventional shaft seal to connect the motor to the pumping gears, permanent magnets transfer torque through a sealed containment barrier. As the gears rotate, they create expanding cavities at the inlet

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Motor School

UNITED MOTION INC. Advances Quiet, Precise and Stable Motor for Rehabilitation Equipment

UNITED MOTION INC. Enhances Motor Performance for a Quieter and Smoother Rehabilitation Experience In rehabilitation and physical therapy equipment, motor performance directly affects user comfort, operational stability and overall product quality. To meet the demanding requirements of rehabilitation beds, UNITED MOTION INC. has continued to optimize motor noise, speed control and overload resistance through coordinated

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Company News

Specialized Motor for Solar Tracker Systems Passes 450 N·m Load Test

United Motion Inc. has completed a 450 N·m load test for a specialized motor developed for the solar tracker industry. The test was conducted before shipment to verify the motor’s ability to withstand the required load conditions and ensure reliable operation in solar tracking applications. Solar tracker systems require motors capable of delivering stable mechanical

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