Dc Planetary Gear Motor
DC planetary gear motor is a high-precision transmission device that integrates a DC motor with a planetary gearbox. Thanks to its compact structure and efficient torque output, it is widely used in industrial automation, smart homes, and automotive transmission systems. The planetary gearbox's internal ring gear, planetary gears, and sun gear are arranged in a compact configuration, resulting in a 30% smaller volume compared to parallel-shaft geared motors of the same power. It is also lighter and offers flexible mounting options (flange or shaft mounting), maximizing space savings within the equipment. Furthermore, the small gear meshing clearance results in low operating noise (below 50dB) and excellent operational stability.
1. High Transmission Efficiency: The planetary gear coaxial meshing design achieves a transmission efficiency of over 90%, resulting in low power loss; the torque output is uniform and smooth, and the wide range of reduction ratios allows for precise matching of "low-speed, high-torque" operating conditions.
2. Compact Structure: Compared to traditional parallel-shaft geared motors, the volume is reduced by 30%, and the weight is lighter; it supports various installation methods, such as flange and shaft mounting, adapting to confined equipment spaces and significantly reducing overall system layout costs.
3. Quiet Operation: The small gear meshing clearance results in low operating noise (below 50dB) and outstanding stability; it is compatible with brushed/brushless DC motors and is widely used in industrial robots, smart homes, automotive precision transmissions, and other applications.
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Model |
DC Planetary Gear Motor |
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Structure |
Inline |
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Construction |
Permanent Magnet |
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Power |
15W~200W |
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Input speed |
2000rpm, 3000rpm |
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Ratio |
3~240 |
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Commutation |
Brushed |
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Protect Feature |
Drip-proof |
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Motor voltage |
12V, 24V, 48V, 90V, 220V |
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Accessories |
Brake, encoder |
*more size please contact our sales team
Q1: How to choose a DC planetary gear motor?
A1: Focus on three key parameters: the "force" (output torque) and "speed" (output speed) required by your equipment, and the motor's operating "voltage". When selecting, be sure to allow a margin of 1.5-2 times for the torque.
Q2: How to choose a gearbox?
A2: Planetary gearboxes are more commonly used because of their compact structure, high torque, and smooth operation; conventional gearboxes are less expensive and suitable for simple, light-load applications.
Q3: Can DC planetary gear motors be used in harsh environments with high humidity and dust?
A3: Standard models are not recommended for direct use in harsh environments. If use in humid and dusty environments is necessary, a special model with a protective rating (IP rating) should be selected, such as IP54 or higher, which can effectively prevent dust and water splashes. Additionally, the motor surface should be cleaned regularly to remove dust, and the seals should be checked to ensure they are intact, preventing moisture and dust from entering and damaging the gears and motor.
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