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BMS16-20

Product catalog summary

Orbray BMS Brushless Motor Series BMS16-20 Overview

This document provides detailed technical specifications, mechanical data, and electrical connection information for the Orbray BMS16-20 brushless motor series equipped with Hall sensors and sleeve bearings. Optional ball bearings are available, which may slightly alter motor dimensions.

1. Motor Specifications

Parameter	BMS16-2001 (7.4V)	BMS16-2004 (12V)	BMS16-2013 (24V)	Unit
Nominal Voltage	7.4	12.0	24.0	V
No Load Speed	23800	23200	24800	rpm
No Load Current	188	113	60	mA
Stall Torque	15.06	15.97	16.30	mNm
Stall Current	5450	3460	1880	mA
Output Power	9.4	9.7	10.6	W
Max Efficiency	66	67	67	%
Terminal Resistance	1.36	3.47	12.75	Ω
Rated Torque	3.20	2.42	2.45	mNm
Rated Speed	18800	19700	21100	rpm
Rated Current	1305	620	334	mA
Friction Torque	0.54	0.54	0.54	mNm
Back-EMF Constant	0.300	0.500	0.937	mV/rpm
Torque Constant	2.86	4.77	8.95	mNm/A
Slope of N-T Curve	1582	1455	1521	rpm/mNm
Mechanical Time Constant	5.71	5.25	5.49	ms
Rotor Inertia	0.34	0.34	0.34	g·cm²
Max Torque	7.53	7.98	8.15	mNm

2. Mechanical Characteristics

Shaft radial play and axial play are specified but exact values are not detailed in the text.
Maximum shaft radial and axial loads are defined; measurements are taken at specified distances from the flange.
Operating temperature range: -20°C to 80°C.
Maximum coil temperature is specified but exact value not provided.
Motor weight: 24 grams.

3. Electrical Connections and Features

Motor windings are labeled U, V, and W.
Input voltage range for Hall sensor signals: 1.6V to 5.5V, nominal 3.0V.
Hall sensor outputs correspond to U, V, and W phases.
Only models with Hall sensors are available; ball bearing option can be selected.

4. Additional Notes

Dimensions are in millimeters; ball bearing option may slightly change dimensions.
Gear, encoder, and driver compatibility: SPG16/SSG15 gears, ETD16 encoder, SHSD24-01A driver; refer to pages 71 and 72 for connection specifications.
Performance graphs indicate speed and current versus torque for different voltage models.
Specifications are subject to change without notice.

5. Manufacturer Contact 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]

Catalog excerpts

BMS BRUSHLESS MOTOR SERIES With Hall sensors, Sleeve bearing When ball bearing applied, dimension may slightly change. ポボールベアリンの際は寸法が : ります。 WWH9HUAHOION SSTEUCISHI 30I0H SSTIHSNUG SHE WWH9 HUM UOLOW SSTTHSNUG SHE ‘YOLON Md HSIH TOY 30I0HOAHS 1090/28 MOLOW ONOAIE SLONGOUd TEMS: wvagunas 5 Stall current 6 Output power 7 Max efficiency 8 Terminal resistance 9 Rated torque 11 Rated current 12 Friction torque 18 Max torque Mechanical data Shaft radial play anes GEA) Shaft axial play be umask COATED) Max shaft radial load ene RAR) Max shaft axial load 1 De RE SLA) Max shaft axial load at standstill kK eT (OHH I) *measured at ( )mm point from flange. フランジから ( )mm で計測 10a モーター巻録 U Motor winding V 29H V Motor winding W モーター巻線 W Input voltage 3.0V 入力電圧 GND グランド Hall sensor output U センサー U Hall sensor output W センサー W Hall sensor output V Orbray Co., Ltd. 3-8-22 Shinden, Adachi-ku, Tokyo 123-8511 Japan URL: https://orbray.com/en/ Specifications are subject to change without Notice. Available only with hall sensor (センサー付のみとなります

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