100w BLDC Square Gear Motor
100W BLDC Square Gear motor combines a brushless DC motor with a square gearbox. Common rated voltages include DC12V and DC24V, with different rated currents at different voltages. Without the gearbox, the motor's rated speed is typically around 3000 r/min. After adding the gearbox, the output speed will decrease proportionally to the gear ratio. A wide range of gear ratios is available, allowing for selection of different ratios to meet varying speed and torque requirements. Common gear ratios include 3, 5, and 10.
- High Efficiency and Energy Saving: Brushless design eliminates carbon brush wear, resulting in higher efficiency and lower energy consumption.
- Quiet Operation: Low-noise operation makes it ideal for noise-sensitive environments such as medical facilities and homes.
- Durable and Long-lasting: Maintenance-free carbon brushes ensure a long service life and low maintenance costs.
- Powerful Torque: The gearbox increases torque, providing high torque at low speeds and ample power.
|
Model |
100W BLDC Square Gear Motor |
|
Type |
Coaxial |
|
Motor rated speed |
2000rpm, 3000rpm |
|
Power |
100W |
|
Rated voltage |
12V/24V/36V/48V DC |
|
Current |
12V: ~10.4A;24V: ~5.2A;36V: ~3.5A;48V: ~2.6A |
|
Ratio |
3, 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200 |
| Insulation class |
B/F |
|
Output torque |
1~20Nm |
|
Optional |
Brake, plug, driver |
Selection Considerations
1. Voltage Matching: Prioritize 24V/48V for lower current and easier drive.
2. Reduction Ratio Calculation: Output Speed = Base Speed ÷ Reduction Ratio; Output Torque = Motor Torque × Reduction Ratio × Efficiency (0.8–0.9)
3. Gearbox Type:
4. Planetary Gear: High efficiency (≥90%), small size, long lifespan, suitable for high-speed ratios.
5. Worth Gear: Self-locking, low noise, large reduction ratio, lower efficiency (60%–75%).
6. Parallel Shaft Gear: Low cost, versatile.
7. Protection and Environment: IP54 suitable for industrial environments, IP65 suitable for wet/outdoor use.
Q1: What does "square" refer to in relation to electric motors?
A1: "Square" typically refers to the motor's mounting flange and housing cross-section being square. This is a very common standard shape for servo motors (e.g., 40mm, 60mm, 80mm flange sizes). This design facilitates direct connection with standard gearboxes that also have a square shape, providing good mounting stability.
Q2: How much load can a 100W motor drive?
A2: The output torque (Nm) of a motor is related to its power (W) and speed (rpm): Torque ≈ (9.55 × Power) / Speed.
For a 100W, 3000rpm motor, its inherent output torque is approximately 0.32 Nm. After passing through a gearbox, the output torque will be amplified. The approximate formula is: Output torque ≈ Motor torque × Gear ratio × Transmission efficiency. For example, using a 25:1 gearbox (assuming 90% efficiency), the final output torque can reach 0.32 × 25 × 0.9 ≈ 7.2 Nm.
Q3: Is a dedicated driver required?
A3: Yes. Brushless DC motors (BLDC) require a corresponding controller (driver) to operate. The driver provides the ordered commutation current to the motor's three-phase windings and also performs functions such as speed control and start/stop control. When purchasing, ensure that the driver's voltage, current, and signals match those of the motor.
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