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DC motor CGE16-25 series
synchronouscoreless

DC motor
DC motor
DC motor
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Characteristics

AC/DC
DC
Type
synchronous
Configuration
coreless

Description

Effective magnet density area: +30% (Namiki test result) Total magnetic flux increased +30% from 2 pole magnet. Torque constant: +60% (Namiki test result) When running with the same road, current consumption is 35% less than 2-pole magnet motor. Mechanical time constant: -60% (Namiki test result) With enhanced torque constant, response speed is also improved by 40%. As a pioneer in coreless motors, Namiki has pursued development of high torque motors. Generating high torque by enlarging the magnet or inputting a large current has its limitations in terms of heat generation and magnet materials. Namiki tried to increase torque by increasing number of magnet poles form 2 to 4. By applying a 4-pole magnet, the effective magnet density area is enlarged. As a result, it contributed to a higher torque constant and low current consumption. Moreover, it enhanced mechanical time constant, so even the response speed became quicker. Using diamond processing technology, a 4-pole magnet processing method has been established in Namiki.

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