What does "NEMA 17" mean?

"NEMA 17" refers to the motor’s frame size (1.7 x 1.7 inches) as per the National Electrical Manufacturers Association (NEMA) standards.

How much torque does a NEMA 17 stepper motor have?

Typically, NEMA 17 motors offer 0.3 to 0.5 Nm of holding torque, sufficient for most 3D printing tasks.

Can I replace a NEMA 17 with a different size motor?

It depends on the printer's design. Switching to a NEMA 14 may reduce performance, while a NEMA 23 might require mechanical adjustments.

Do NEMA 17 stepper motors get hot?

Yes, they can heat up under prolonged use. Proper current adjustment and heat sinks can help manage temperature.

Are all NEMA 17 stepper motors the same?

No, they vary in step angle (e.g., 1.8° or 0.9°), voltage, and current ratings. Always check specifications before purchasing.

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