Overview

This document provides detailed technical specifications and characteristics for the Orbray DC Coreless Motor Series, specifically models CMS10-1306 (3.7V), CMS10-1321 (7.4V), and CMS10-1346 (12V). These motors feature precious metal commutation and sintered sleeve bearings, designed for high efficiency and precision applications.

Motor Models and Voltage Ratings

• CMS10-1306: Nominal voltage 3.7 V
• CMS10-1321: Nominal voltage 7.4 V
• CMS10-1346: Nominal voltage 12.0 V

Key Electrical and Mechanical Specifications

Mechanical and Environmental Data

• Shaft radial play: 0.05 mm
• Maximum shaft axial load at standstill: 78 N
• Bearing type: Sintered sleeve bearing
• Operating temperature range: -20°C to 60°C

Additional Features

• Dimension details and gear/encoder options: Gear types SPG10/SSG10 and encoder types ETD10-2C/2D/2E are available; refer to pages 32 and 33 for detailed information.
• Precious metal commutation ensures reliable electrical contact and performance.

Performance Characteristics

The motors exhibit high no-load speeds with low no-load currents, indicating efficient operation. Stall torque and current values suggest robust starting capabilities. Maximum efficiency is approximately 68-69%, suitable for precision applications requiring energy efficiency. The torque constant and back-EMF constant increase with voltage rating, reflecting motor scaling.

Manufacturer Information

Orbray Co., Ltd.
3-8-22 Shinden, Adachi-ku, Tokyo 123-8511, Japan
Tel: +81-3-5390-7620
Website: https://orbray.com/en/
Email: [email protected]

Notes

Specifications are subject to change without notice. Measurements are taken at specified distances from the flange as indicated in the original documentation.