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Frameless Hollow Shaft DC Brushless Motor

STW Frameless Hollow Shaft DC brushless motor Features:
● Voltage: 220VAC 380VAC
● STW Frameless Hollow Shaft DC Brushless motors are designed by Kinavo with our own intellectual property rights with higher performance compare to similar products in the market.
● Standard products have 3 frame size, 60mm, 76mm, 104mm
● Rated Torque Range: 0.45Nm-3.5Nm (other rated torque could be optional）
● Multi slots and poles guarantee lower cogging friction.
● With thermal sensor
● Hollow shaft 24bit absoluter encoder and hall sensor to be optional
● Serial No. marked by laser printer for tracing
● Optimizations include rotor hub dimensions, stack length, diameter, mounting dimensions and with or without housing

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Hollow Shaft DC Brushless Motor

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Product description:STW Series Frameless Hollow Shaft DC brushless motors’ typical application are collaborative robots, medical robots etc., which application require motors be with high power, compact size and minimized weight and inertia. STW motors as a kit to be assembled/merged into robot joint are with advantages that motors would be connected with load directly, using the machine’s own bearings to support the rotor, avoid backlash created by reducer, coupling and synchronous pulley which provide a better system performance and optimized machine system size.

Stator outer diameter（mm）	Type	Rated Power(W)	Rated torque(Nm)	Max. Torque(Nm)	Rated Speed(rpm)	Rated Current(A)	Maximum current(A)	DC Bus Voltage(VDC)	Number of poles
52	STW52—1537D16ENL	159	0.4	1.2	3790	4.2	15.5	48	16
60	STW60-1431D16ENL	146	0.45	1.35	3100	4.3	12.9
76	STW76-2933D16ENL	293	0.85	2.55	3300	6.6	19.8
104	STW104-4529D16ENL	380	1.5	4.5	2420	10.2	30.6
132	STW132-11832D16ENL	1180	3.5	8.75	3220	25.3	63.3