The following parameters represent the standard operating ratings for the BJ42D15-26V10 series: 1.8° (200 steps per revolution) Rated Voltage: 2.6V DC Rated Current: 1.0A per phase Phase Resistance: 2.6 Ω ± 10% Phase Inductance: 5.0 mH ± 20% Holding Torque: 0.35 N·m (approx. 49 oz-in) Detent Torque: 15 mN·m Max Rotor Inertia: 54 g·cm² Weight: 0.28 kg (approx. 0.62 lbs) Insulation Class: B (130°C) Mechanical Dimensions
| Speed (RPM) | Torque (Nm) | Torque (oz-in) | Application relevance | | :--- | :--- | :--- | :--- | | 0 (Holding) | 0.22 | 31.2 | Maximum gripping force | | 200 | 0.20 | 28.3 | Smooth, slow positioning | | 400 | 0.16 | 22.6 | Light CNC routing | | 600 | 0.11 | 15.6 | Typical 3D printing speed | | 800 | 0.07 | 9.9 | Fast infill moves | | 1000 | 0.04 | 5.7 | Limit for useful torque | bj42d15 26v10 stepper motor datasheet verified
Further research and testing are recommended to explore the motor's performance under various environmental conditions, such as temperature, humidity, and vibration. The winding temperature stabilizes at approximately 78
The winding temperature stabilizes at approximately 78.5°C, well within Class B insulation limits (130°C). Ambient temperature derating: reduce current by 2.5% per °C above 40°C ambient. Holding Torque : 0
: While some generic sources assume 1.5A, manufacturer-direct data indicates 0.84A for the BJ42D15 series. Holding Torque : 0.28 Nm to 0.4 N.m (approx. 2.86 kg.cm) Rated Voltage : Typically used with 12V or 24V DC systems Phase Resistance : ~5.75 Ω Phase Inductance Shaft Diameter : 5 mm (D-shape) Usage & Driver Configuration Application : Primary use in Creality Ender-3 and CR-10 series printers for X/Y/Z linear movement. Current Tuning (VREF)