BJ42D15-26V10 Stepper Motor Datasheet: The Ultimate Technical Blueprint
The alphanumeric code printed on the casing acts as a blueprint for its exact electrical and physical configuration: Creality Ender 3 Stock Factory Vref - GitHub Gist
To ensure optimal performance without overheating, users often adjust the stepper driver voltage (Vref). For a 0.84A rated motor on common Creality boards
The is a specific NEMA 17 stepper motor commonly found in Creality 3D printers, such as the Ender 3 series. While an "exclusive" datasheet isn't publicly indexed by the manufacturer as a single PDF, technical specifications have been verified through direct manufacturer inquiries and community benchmarking. Core Specifications bj42d15 26v10 stepper motor datasheet exclusive
The BJ42D15-26V10 follows standard NEMA 17 mounting patterns but features a compact body depth. 42.3mm x 42.3mm Body Length: 34mm (Standard "Short" Body) Shaft Diameter: 5mm (D-cut for slip prevention) Shaft Length: 20mm - 24mm (Varies by batch) Mounting Holes: M3 threaded, 31mm center-to-center 4. Wiring Configuration
Yes, if you:
Despite the confusing string of manufacturer serial codes (such as 26V09 , 26V10 , or 26V12 ), community hardware tracers and oscilloscope readouts shared on developer threads like GitHub Gist have shown that the raw mechanical and electrical characteristics remain fundamentally identical across this specific series. : NEMA 17 (42 mm x 42 mm) : NEMA 17 (42 mm x 42 mm)
While a formal, exclusive "Datasheet PDF" for the stepper motor may not exist in public databases, the technical data is well understood within the engineering and 3D printing community. It is a 0.8A, 26V, 34mm NEMA 17 bipolar stepper with a 6.0Ω winding resistance. It is used extensively by Creality, ELEGOO, and TOOCA in their motion control systems.
Note: Always verify phase continuity with a multimeter before connecting to a driver to avoid damage.
: Internal mechanical build markers, correlating directly to the 34mm physical length and coil winding design. 10A/phase magnetic circuit design that delivers:
Many motors in this series have a .
Based on manufacturer data and community testing, the core specifications for the BJ42D15-26V10
: Specifies the motor length and internal rotor/stator configuration (roughly 34 mm total height).
The "BJ42D15" designation follows the standard nomenclature used by manufacturers like Creality and the Understanding this code is the first step to unlocking the motor's specs.
The isn’t just another high-torque stepper—it features an optimized 26V, 10A/phase magnetic circuit design that delivers:
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