📌 Always adjust the current limit (Vref) on your stepper driver to match the 1.0A rating of this motor to prevent overheating or skipped steps.
This report provides a comprehensive verification of the datasheet for the BJ42D15 26V 10 stepper motor, confirming its accuracy and providing a detailed overview of the motor's characteristics. bj42d15 26v10 stepper motor datasheet verified
The "42-34" label often found on the back of these motors indicates the frame width (42mm) and the motor body length (34mm) [9]. The "BJ" prefix indicates the manufacturer (typically or a similar high-volume OEM for Creality). 📌 Always adjust the current limit (Vref) on
is a NEMA 17 stepper motor commonly used in 3D printers like the Ender 3 series . Manufactured by Keli Motor Group, it is a 34mm high motor typically used for X, Y, or Z axis movements. Verified Technical Specifications The "BJ" prefix indicates the manufacturer (typically or
| Parameter | Value | Tolerance | | :--- | :--- | :--- | | | 1.8° ±5% | Full step, non-microstepping | | Steps per Revolution | 200 | - | | Number of Phases | 2 | Bipolar | | Number of Leads | 4 | AWG26, 300mm length | | Rotor Inertia | 38 g·cm² | - | | Weight | 220 grams (0.485 lbs) | ±10g | | Body Length (excluding shaft) | 15 mm | - | | Shaft Diameter | 5 mm | - | | Shaft Length (from face plate) | 24 mm | - | | Shaft Flat | Single flat, 10mm from tip | - | | Mounting Hole Pattern | 31mm x 31mm (M3 screws) | - |
Because it has a higher phase resistance (26Ω) compared to low voltage motors (1.5–5Ω), it draws only 1A at 26V. According to Ohm's Law: V = I × R → 26V = 1.0A × 26Ω.
📌 Always adjust the current limit (Vref) on your stepper driver to match the 1.0A rating of this motor to prevent overheating or skipped steps.
This report provides a comprehensive verification of the datasheet for the BJ42D15 26V 10 stepper motor, confirming its accuracy and providing a detailed overview of the motor's characteristics.
The "42-34" label often found on the back of these motors indicates the frame width (42mm) and the motor body length (34mm) [9]. The "BJ" prefix indicates the manufacturer (typically or a similar high-volume OEM for Creality).
is a NEMA 17 stepper motor commonly used in 3D printers like the Ender 3 series . Manufactured by Keli Motor Group, it is a 34mm high motor typically used for X, Y, or Z axis movements. Verified Technical Specifications
| Parameter | Value | Tolerance | | :--- | :--- | :--- | | | 1.8° ±5% | Full step, non-microstepping | | Steps per Revolution | 200 | - | | Number of Phases | 2 | Bipolar | | Number of Leads | 4 | AWG26, 300mm length | | Rotor Inertia | 38 g·cm² | - | | Weight | 220 grams (0.485 lbs) | ±10g | | Body Length (excluding shaft) | 15 mm | - | | Shaft Diameter | 5 mm | - | | Shaft Length (from face plate) | 24 mm | - | | Shaft Flat | Single flat, 10mm from tip | - | | Mounting Hole Pattern | 31mm x 31mm (M3 screws) | - |
Because it has a higher phase resistance (26Ω) compared to low voltage motors (1.5–5Ω), it draws only 1A at 26V. According to Ohm's Law: V = I × R → 26V = 1.0A × 26Ω.