Overview: This document provides technical specifications for precision DC coreless motors, highlighting their applications in fields such as medical, healthcare, automotive, robotics, and industrial automation.
Specifications:- Voltage: Available in 3.0V, 6.0V, and 7.4V models.
- Terminal Resistance: Ranges from 3.3Ω to 11.7Ω.
- No-load Speed: Varies from 11,500 rpm to 28,000 rpm.
- No-load Current: Between 15 mA and 30 mA.
- Stall Torque: From 1.89 mNm to 5.50 mNm.
- Stall Current: Ranges from 510 mA to 2240 mA.
- Nominal Torque: 0.5 mNm to 1.0 mNm.
- Nominal Speed: 8,460 rpm to 22,910 rpm.
- Nominal Current: 130 mA to 430 mA.
- Max. Output Power: 0.57 W to 4.04 W.
- Max. Efficiency: 69% to 78%.
- Back-EMF Constant: 0.26 mV/rpm to 0.47 mV/rpm.
- Torque Constant: 2.4 mNm/A to 4.4 mNm/A.
- Speed/Torque Gradient: 6100 rpm/mNm.
- Rotor Inertia: 0.07 gcm².
- Weight: 6.1 g.
- Thermal Resistance: Housing-ambient is 38.5 K/W, winding-housing is 33.2 K/W.
- Thermal Time Constant: Motor is 78 s, winding is 61 s.
- Operating Temperature Range: -20°C to +85°C.
- Thermal Class of Winding: 130°C.
- Axial and Radial Play: Axial play is 0.01 mm to 0.15 mm, radial play is 0.012 mm.
- Axial Load: Dynamic is 0.15 N, static is 15 N.
- Radial Load: 0.4 N at 3 mm from mounting face.
- No. of Pole Pairs: 1.
- Bearings: 2 sleeve bearings.
- Commutator: Metal with 5 segments.
- Protection Class: IP 40.
Options: Customizable lead wire length, shaft length, special coils, gearheads, and encoders.
Applications: These motors are suitable for precision drives in medical equipment, healthcare products, automotive applications, robotics, and industrial automation.
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