Bj42d15 26v10 Stepper Motor Datasheet Verified

Subject:

Verified Datasheet & Specs: BJ42D15 26V10 Stepper Motor

26Ω

| Claimed Parameter | Wrong Value (Found online) | Verified Correct Value | Consequence of Wrong Value | | :--- | :--- | :--- | :--- | | Phase resistance | 12Ω | | Driver overcurrent, blown driver chip | | Rated voltage | 12V | 26V | 50% torque loss, missed steps | | Holding torque | 0.4 N·m | 0.21 N·m | Mechanical overload, stall | | Weight | 350g | 220g | Improper gantry counterbalance | | Step accuracy | ±3% | ±5% | Position error in multi-rev moves | bj42d15 26v10 stepper motor datasheet verified

• Rated life: 10,000 hours continuous at rated current and 25°C ambient (bearing wear limited).
• MTBF (mean time between failures): >50,000 hours (electrical).
• Bearing type: Dual shielded ball bearings (ZZ type).
• Lubrication: High-temp grease (verified to 100°C intermittent).

Based on verified inductance and resistance: Subject: Verified Datasheet & Specs: BJ42D15 26V10 Stepper