Use flexible jaw couplers when connecting to lead screws to account for minor shaft misalignments. If you'd like more specific information, please tell me: Specific driver you are using (e.g., TMC2209, A4988) Voltage of your power supply Mechanical load details (e.g., weight of the axis)
Ideal for X, Y, and E (extruder) axes due to its balance of weight and torque.
The BJ42D15 adheres strictly to the NEMA 17 mounting standard. While the faceplate is square, the electrical characteristics (26V/1.0A) make it unique. bj42d15 26v10 stepper motor datasheet
| Parameter | Value | | :--- | :--- | | | NEMA 17 (42mm x 42mm) | | Step Angle | 1.8° (200 steps/revolution) | | Phase | 2-phase bipolar | | Rated Voltage | 26V | | Rated Current | 0.8A - 1.5A (depending on variant, 26V10 variant rated for 0.8A) | | Holding Torque | ~0.2 - 0.4 N·m (28-57 oz·in) | | Inductance per Phase | 1.4 mH (typical, from Y1W01E variant datasheet) | | Resistance per Phase | 1.4 Ω (typical) | | Number of Leads | 4 | | Rotor Inertia | 35 g·cm² (typical) | | Body Length | 34mm |
The is a widely integrated, high-precision hybrid stepper motor manufactured by Keli Motor Group . It is prominently deployed across Creality 3D printers (such as the Ender and CR series) to control X, Y, and Z-axis movements. Use flexible jaw couplers when connecting to lead
⚠️ Users have reported that the BJ42D15-26V10 motor is rated for 1.5A according to manufacturer tables. However, direct sources from manufacturers like Elegoo explicitly list the 26VXX code as a 0.8A motor . Given that the BJ42D15 series includes a wide range of current ratings in official manufacturer specs (from 0.4A up to 1.5A), it is critical to verify the specific label on your motor before configuration. The most conservative and common approach is to treat the BJ42D15-26V10 as a 1.0A motor and adjust your driver's Vref accordingly.
Operating precise liquid dispensing pumps and automated scanning beds. ⚠️ Users have reported that the BJ42D15-26V10 motor
If the manufacturer's original datasheet is not available at the distributor (e.g., Mouser, DigiKey), use these strategies:
The BJ42D15-26V10 yields excellent low-speed torque. However, because of its phase inductance, torque degrades as step frequency increases. Delivers maximum holding torque ( ≥is greater than or equal to
BJ42D15-26V10 is a NEMA 17 hybrid stepper motor manufactured by Hunan Keli Motor Co., Ltd. and is commonly found in Creality 3D printers like the Ender 3 series. Core Specifications