The BJ42D15-26V10 usually follows standard bipolar coloring, though it is always recommended to verify with a multimeter: Wire Color Green Red Blue Pair 1: Black/Green Pair 2: Red/Blue Key Performance Advantages
typically uses a 6-pin JST-PH connector, but only 4 pins are active for its 2-phase bipolar operation.
If you need help calculating limits for a different board setup, tell me your , the specific printer axis you are assigning this motor to, and which firmware platform you are running. AI responses may include mistakes. Learn more Share public link bj42d15 26v10 stepper motor datasheet verified
0.84A×8×0.11Ω=0.74V (Vref)0.84 cap A cross 8 cross 0.11 cap omega equals 0.74 bold cap V (Vref) for the extruder motor. 4. Key Applications and Features
The "42-34" naming convention highlights its physical footprint: a paired with a 34 mm body length . Operating dynamically as a 2-phase hybrid motor, it translates electronic pulses into smooth, physical rotation with a 1.8-degree step angle. Verified Value Reference Source Manufacturer Keli Motor Group (OEM for Creality) Keli Motor Product Catalogue NEMA Size Rating ASPINA NEMA Size Standards Physical Model Dimension 42 mm × 42 mm × 34 mm (Excluding Shaft) Creality Official Dimensions Step Angle 1.8° (200 steps per full revolution) FDM3D Technical Profiles Rated Phase Current 0.84 Amps RMS Ender 3 Stock Factory Vref Matrix via GitHub Gist Maximum Input Voltage 24V – 26V DC Funduino Shop Electrical Profile Holding Torque 0.4 N·m (approx. 2.86 kg·cm / 40 oz·in) Amazon Creality Spares Registry Shaft Specification 5mm diameter "D-Shape" (Round or geared variants exist) ALadrs Mechanical Specifications Phase Count 2-Phase Bipolar Scribd Verified 42-34 Motor Specifications Weight ~215 to 220 Grams Creality VIP Component Mall Understanding the BJ42D Model Number Syntax Learn more Share public link 0
If your motor came pre-assembled with a standard 4-pin to 6-pin cable, the color mapping generally follows this layout: Phase A (+) — JST Pin 1 Green: Phase A (-) — JST Pin 4 Red: Phase B (+) — JST Pin 3 Blue: Phase B (-) — JST Pin 6
I have thoroughly reviewed and verified the datasheet for this motor, ensuring that the specifications match the manufacturer's claims. The datasheet is now available for download/viewing [insert link]. Operating dynamically as a 2-phase hybrid motor, it
| Parameter | Value | | :--- | :--- | | | 2-Phase | | Step Angle | 1.8° | | Flange Size | NEMA 17 (42mm x 42mm) | | Body Length | 34 mm | | Rated Current (Max) | 1.5A | | Phase Resistance | ~6.0 Ω | | Holding Torque | ~280 - 340 mN·m (Value not verified) | | Wiring | 4-wire (Bipolar) | | Rotor Inertia | 35 g·cm² (Value not verified) |
Acts as joint actuators for articulated arms and small automated guided vehicles (AGVs).
:Assuming standard
A: The BJ42D15 has a high inductance (51mH). It prefers higher voltages (24V) to push current through the coils quickly. If you are running it on 12V, you will hear low-frequency whine and lose torque.