Bj42d15 26v10 Stepper Motor Datasheet < Simple >
If the meter reads a low resistance value (e.g., 2Ω), you have successfully found a pair (e.g., Phase A).
The following data is extracted from typical manufacturer datasheets for the series, specifically focusing on the 26V10 variant. Specification Model Number BJ42D15-26V10 Frame Size NEMA 17 (42 x 42 mm) Step Angle 1.8° (200 steps/revolution) Phase Number 2-Phase Bipolar Rated Current 0.84A – 1.0A per phase Winding Resistance ~10 Ω per phase Holding Torque ~2.86 kg.cm – 0.4 N.m Operating Voltage Recommended 12V-24V DC Shaft Diameter Lead Wires 4 wires (Bipolar) 3. Key Features and Performance
To use the BJ42D15-26V10, you must connect it to a compatible stepper motor driver, such as the A4988, DRV8825, or TMC2209. The most critical aspect of this process is correctly setting the driver's to ensure the motor operates properly without overheating.
| Symptom | Possible Cause | Solution | | :--- | :--- | :--- | | | Vref is set too high, causing overcurrent. | Lower the driver's Vref. A user reduced theirs from 1.1V to 0.9V to solve overheating. | | Motor is extremely hot | Incorrect motor variant (e.g., a 0.8A motor treated as a 1.5A motor). | Verify the physical motor length (34mm) and its label code. | | Motor loses steps / skips | Driver current is set too low. | Recalculate and increase the Vref, ensuring it stays below the motor's rated current. | | Motor does not move | Incorrect wiring (e.g., mixing phases A and B). | Verify with a multimeter that each coil is connected to the correct driver terminals. | | Motor vibrates but does not rotate | A4988 driver's microstep pins (MS1, MS2, MS3) are not set correctly. | Check the state of your driver's microstep selection pins. | | Clicking noise / no movement | The driver's enable pin is active, or the motor current is too low. | Check driver enable logic and Vref calculation. | bj42d15 26v10 stepper motor datasheet
Many beginners mistake "26V" for the supply voltage. This is a fatal error. In practice, you drive this motor with a chopper driver (like an A4988 or TMC2209) at 12V to 24V , while limiting the current to 1.0A.
: Indicates the internal rotor and stack configuration, specifically identifying a 34mm body height with mid-range holding torque.
Smooth, precise motion control for photography. 6. Tips for Usage If the meter reads a low resistance value (e
Like all hybrid steppers, the torque of the BJ42D15-26V10 decreases as RPM increases. To maximize high-speed performance, it is recommended to use a higher input voltage to the driver (e.g., 12V or 24V), as this helps overcome the motor's back EMF.
The maximum torque the motor can generate from a standstill without losing steps.
digitalWrite(Ψ1, HIGH); delayMicroseconds(19.157); digitalWrite(Ψ2, HIGH); ... Key Features and Performance To use the BJ42D15-26V10,
These technical specs are typical for the BJ42D15-26V10 motor used in popular 3D printing applications. Specification Rated Voltage Variable (Typically driven at 24V in modern printers) Rated Current per phase (Check specific driver settings) Phase Resistance Phase Inductance Holding Torque Insulation Class 130∘C130 raised to the composed with power C Shaft Diameter (With D-cut or Round options) Wiring 4-Wire Bipolar Key Performance Notes: High Precision: The 1.8∘1.8 raised to the composed with power
The table below summarizes the key electrical and mechanical specifications of the BJ42D15-26V10 motor based on available manufacturer datasheets and field data:
utilizes a 6-pin JST-PH onboard connector but only routes to interface with standard bipolar stepper drivers. The internal wiring consists of two separate phases (coils):