What are the 9 parameters for DC motor selection?
- No Load Speed: No Load speed denotes the motor’s operating speed without any load under standard voltage conditions (measured in revolutions per minute, rpm). This speed lacks reverse torque, distinguishing it from the output power and stall situations. It serves as a reference for the maximum speed the motor can achieve at the specified voltage.
- No Load Current: No load current refers to the motor’s operational current without any load under standard working voltage (unit: mA). A more efficient motor exhibits a smaller no-load current value.
- Rate Speed: Rate speed represents the motor’s speed while carrying a load under normal operating voltage.
- Rate Torque: Rate torque is the torque exerted by the motor when carrying a load under standard operating voltage (measured in Newton-meters, N·m).
- Rate Current: Rate current indicates the actual stator current value detected when the motor is under load.
- Locked Torque: Locked torque signifies the torque at which the motor ceases rotation when subjected to a reverse external force. Frequent motor blockages can lead to damage or the burnout of the drive chip. Oleh itu, it is a crucial parameter to consider alongside speed. As stalling time increases, the motor temperature rises rapidly, and this value significantly decreases.
- Locked Rotor Current: Locked rotor current is the current that occurs when a motor is prevented from rotating due to a reverse external force. This situation results in very high current, and prolonged exposure may lead to motor burnout. It should be avoided as much as possible during practical use.
- Gear Ratio: Gear ratio refers to the ratio of speed without a reduction gear to speed with a reduction gear.
- Kuasa: Power generally denotes the rated power of the motor (measured in watts), representing the maximum power it can consistently operate under at the rated voltage. It reflects the mechanical power output under conditions specified by the manufacturer.
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