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Unlock extreme operational efficiency and high-speed motion smoothness with the industrial SOYA NEMA 17 (42mm) brushless DC (BLDC) motor series. Featuring a standard 42mm square frame size, this premium actuator line handles constant velocities up to a high-speed 4000 RPM rated threshold. Specially engineered with an 8-pole high-density magnetic circuit and class B thermal insulation materials, it completely eliminates carbon brush friction and wear metrics. Providing robust rated torques up to 0.185N.m, it is an ideal maintenance-free solution built for long-hour continuous operations in precision cosmetic devices and high-end consumer appliances.
Electronic commutation entirely bypasses mechanical carbon brush friction, reducing structural wear and ensuring a quiet operational lifespan.
Multi-pole interior configuration guarantees minimal cogging torque ripple, yielding exceptionally smooth rotation tracking metrics at high speeds.
Premium copper stator windings coupled with premium Class B insulation materials allow low motor heat propagation over extended runtime cycles.
Advanced dynamic balancing algorithms eliminate internal structural vibrations, ensuring low acoustic sound decibels for sensitive salon environments.
| Model No. | Rated Speed (RPM) | No-Load Speed (RPM) | Rated Torque (N·m) | Continuous Current (A Max) | No-Load Current (A Max) | Phase-to-Phase Resistance (Ω) | No. of Poles | Back EMF Constant (V/KRPM) | Torque Constant (N·m/A) | Insulation Class |
|---|---|---|---|---|---|---|---|---|---|---|
| SY42BLS01 | 4000 | 5500 | 0.0625 | - | 0.3 | 1.80 | 8 | 4.36 | 0.042 | B |
| SY42BLS02 | 4000 | 5800 | 0.125 | 0.45 | 0.45 | 0.73 | 8 | 4.1 | 0.04 | B |
| SY42BLS03 | 4000 | 5800 | 0.185 | 4.8 | 0.6 | 0.55 | 8 | 4.1 | 0.04 | B |
Our roots go back to 2002 as “Songya Motor Control Factory”. In 2017, we incorporated as Changzhou Songya Electromechanical Co., Ltd., marketing our systems worldwide under our registered brand SOYAMOTOR. Leveraging over 20 years of deep expertise in stepper, servo, and brushless motor manufacturing, we design and produce a comprehensive range of premium CNC digital cutting tools on our own shop floor. Beyond oscillating knives, our in-house production includes servo oscillating knives, drag knives, kiss-cut knives, creasing wheels, rotary knives, V-cut tools, and punching tools—delivering factory-direct precision with 100% traceable quality.
