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23km-c051-09v Datasheet Today

23KM-C051-09V is a high-torque NEMA 23 hybrid stepper motor manufactured by Minebea Mitsumi (NMB Technologies)

. It is widely used in industrial CNC machinery, 3D printers, and robotics due to its precise positioning and robust holding torque. Core Specifications Motor Type 2-Phase Hybrid Stepper Step Angle 1.8° (200 steps per revolution) Rated Voltage 4.0V DC (Optimized for 12V–36V with drivers) Rated Current 2.0A per phase Winding Resistance Winding Inductance Holding Torque 980 mNm (approx. 9.9 kg·cm) ~670g to 675g Mechanical Details

The 23KM-C051-09V is a high-torque NEMA 23 hybrid stepping motor manufactured by Minebea-Matsushita (NMB). It is commonly found in CNC machines, 3D printers, and industrial automation equipment. Technical Specifications

Based on the available technical data and manufacturer catalogs: Type: Hybrid Stepping Motor. Step Angle: 1.8∘1.8 raised to the composed with power per step (200 steps per revolution). Frame Size: NEMA 23 (56.4mm flange). Holding Torque: Approximately Rated Current: Roughly per phase. Resistance: at the winding ends.

Wiring: Typically a 6-lead configuration (unipolar), but frequently used in bipolar mode for modern drivers. Shaft: inch) diameter with a flat (D-cut). Weight: Review & Performance Analysis 23km-c051-09v datasheet

Build Quality: As part of the NMB Precision Stepping Motors lineup, these motors are known for industrial-grade durability. They utilize ball bearings for longevity and smooth rotation.

Driver Compatibility: This motor works effectively with standard stepper drivers like the TB6600, DM542, or A4988 (though A4988 may run hot at ). Users often run these at for optimal torque at speed. Best Use Cases:

DIY CNC Routers: Ideal for X and Y axes on small-to-medium desktop CNCs.

3D Printers: Overpowered for most desktop printers but great for heavy-duty custom builds. 23KM-C051-09V is a high-torque NEMA 23 hybrid stepper

Actuators: Suitable for linear stages requiring precise positioning. Sourcing Information

Because this specific model number often appears on OEM (Original Equipment Manufacturer) surplus, you may find them at a lower cost than "retail" NEMA 23 motors. You can often find listings or similar technical discussions on platforms like Reddit r/CNC or Stanko Forum.

9. Frequently Asked Questions (FAQ)

Q:Can I run the 23KM-C051-09V at 24V?
A: Only if used with a current-limiting chopper driver. The 09V rating means rated voltage for constant voltage drive (L/R drive). For chopper drives, you can use 24V but must set phase current to 0.51A max.

Q:Is this a servo motor?
A: No. The 23KM series are hybrid steppers. If you see encoder ports on the back, it might be a closed-loop stepper – still not a true AC servo. RoHS compliance (for EU markets)

Q:How do I test if my motor is the C051-09V variant?
A: Measure phase resistance. Should be ~17.6 ohms (0.51A version) or ~1.76 ohms (5.1A version). 9V ÷ 0.51A = 17.6 ohms.

Q:Can I pair with a TB6600 driver?
A: Yes, but set DIP switches for 0.5A current and 1/8 microstep. Set input voltage to 9–12V only.

10. Procurement and Storage Guidelines

When ordering the 23KM-C051-09V, ensure your datasheet includes:

Thermal Runaway Warning

Because the 23KM-C051-09V draws 5.1A/phase, the copper losses (I²R) generate significant heat: 2 x (5.1² x 1.75) = ~91 Watts. Without a heatsink or active cooling, the motor can exceed 100°C in 30 minutes. The datasheet recommends a 60% duty cycle or forced air cooling for continuous operation at rated current.

5. Mechanical Drawing

(Text representation)

Top view:            Side view:
   ⬤ 23.0 mm          |--- 6.2 mm ---|
   │                  ┌──────────────┐
   │                  │   Motor body │
   │                  └──────────────┘
   2x 0.8mm pins          │
   (pitch 5mm)            └─ Shaft protrudes 1.5mm

Key Features (From Datasheet Synthesis)

Note: These values are aggregated from related 23KM series datasheets. Always verify with your specific supplier’s revision.