JRECT00748 EC slotless torque motor

JRECT00748

3-Phase BLDC (PMSM) Slotless Torque Motor

Features

Electronically Commutated
Slotless Permanent Magnet Torque Motor
70 Watts @ 48V
Sine Wave BackEMF
Continuous Stall Torque
Zero Cogging
Zero Detente Torque
Data Sheet - jrect0748.pdf
Operation Video with JRECT00748

Description

This machine is a BLDC (PMSM) permanent magnet torque motor with pure sine wave backEMF. The slotless construction exhibits continuous stall torque with zero cogging and zero detente torque. The standard winding topology is a 3-Phase Y. An encoder mounting is provided at the rear of the machine.

US$16,495

Speed/Torque Curve

Operational Characteristics

PARAMETER	SYMBOL	VALUE	UNITS
Power	Watts	70	Watts
Speed at Rated Power	N Rated	2000	RPM
Continuous Torque	Tc	4.15	N-m
Stall Torque	Tp	4.15	N-m
Continuous Line Current	Ic	6.5	Adc
Torque Sensitivity (DC Amps)	Kt	0.487	N-m/Adc
BackEMF (line-to-line)	Ke	17	VRMS/KRPM
Motor Constant	Km	0.235	N-m/√Watts
DC Resistance (line-to-neutral)	Rm	4.0	Ohms
Inductance (line-to-neutral)	Lm	5.5	mH
Rotor Inertia	Jm	2.0x10-3	kg-m2
Weight	Wt	x	kg
Static Friction	Tf	0.04	N-m
Thermal Time Constant	tc	x	°C/minute
Thermal Resistance	Rth	TBD	°C/Watt
Number of Poles		16