Autonics AI-M-56LA Closed-Loop Stepper Motor, Frame Size 57.2 X 57.2 mm, Length 111.3 mm, Encoder Resolution Up to 10,000PPR

Name: Autonics AI-M-56LA Closed-Loop Stepper Motor, Frame Size 57.2 X 57.2 mm, Length 111.3 mm, Encoder Resolution Up to 10,000PPR
Brand: Autonics
SKU: AutonicsAI-M-56LA
Price: 341.00 USD
Availability: InStock

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2-Phase Closed-Loop Stepper Motor, Frame Size 57.2 X 57.2 mm, Length 111.3 mm, Encoder Resolution Up to 10,000PPR

Minimal heat generating, high torque motor (control voltage 55V)
Higher cost-efficiency compared to conventional servo motors
Available in motor frame size 42mm, 56mm, 60mm

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Autonics Ai-M Series 2-Phase Closed-Loop Stepper Motor

2-Phase Closed-Loop Stepper Motor, Frame Size 57.2 X 57.2 mm, Length 111.3 mm, Encoder Resolution Up to 10,000PPR
Minimal heat generating, high torque motor (control voltage 55V)
Higher cost-efficiency compared to conventional servo motors
Available in motor frame size 42mm, 56mm, 60mm

The Ai-M series 2-phase closed loop stepper motors feature integrated encoders for precise feedback control. The Ai-M series motors are available in 20 mm, 28 mm, 35 mm, 42 mm, 56 mm, and 60 mm frame sizes.

General Specifications
Standard step angle		1.8°/0.9° (Full/Half step)
Motor phase		2-phase
Run method		Bipolar
Insulation class		B type (130°C)
Insulation resistance		Over 100MΩ (at 500VDC megger), between motor coil-case
Dielectric strength		500VAC 50/60Hz for 1 min between motor coil-case
Vibration		1.5mm amplitude at frequency 10 to 55Hz (for 1 min) in each X, Y, Z direction for 2 hours
Shock		Approx. max. 50G
Environment	Ambient temperature	0 to 50°C, storage: -20 to 70°C
	Ambient humidity	20 to 85%RH, storage: 15 to 90%RH
Approval		CE
Protection structure		IP30 (IEC34-5 standard)
Stop angle error^*1		±0.09°
Shaft vibration^*2		0.03mm T.I.R.
Radial Movement^*3		Max. 0.025mm (load 25N)
Axial Movement^*4		Max. 0.01mm (load 50N)
Concentricity for shaft of setup in-low		0.05mm T.I.R.
Perpendicularity of set-up plate shaft		0.075mm T.I.R.
1: Specifications are for full-step angle, without load. (values may vary by load size) 2: T.I.R. (Total Indicator Reading) - Indicates total quantity of dial gauge in case of 1 rotation of measuring part around the reference point. 3: Amount of radial shaft displacement when adding a radial load (25N) to the tip of the motor shaft. 4: Amount of axial shaft displacement when adding a axial load (50N) to the shaft. *Environment resistance is rated at no freezing or condensation.

Frame size 42mm
Model	Ai-M-42SA	Ai-M-42MA	Ai-M-42LA
Max. holding torque^*1	2.55kgf.cm (0.25N.m)	4.08kgf.cm (0.4N.m)	4.89kgf.cm (0.48N.m)
Rotor moment of inertia	35g.cm² (35×10^-7 kg.m² )	54g.cm² (54×10^-7 kg.m² )	77g.cm² (77×10^-7 kg.m² )
Rated current	1.7A/Phase
Resistance	1.7Ω/Phase ±10%	1.85Ω/Phase ±10%	2.1Ω/Phase ±10%
Inductance	1.9mH/Phase ±20%	3.5mH/Phase ±20%	4.4mH/Phase ±20%
Weight^*2	Approx. 0.45kg (approx. 0.34kg)	Approx. 0.52kg (approx. 0.41kg)	Approx. 0.59kg (approx. 0.48kg)

Frame size 56mm
Model	Ai-M-56SA	Ai-M-56MA	Ai-M-56LA
Max. holding torque^*1	6.12kgf.cm (0.6N.m)	12.24kgf.cm (1.2N.m)	20.39kgf.cm (2.0N.m)
Rotor moment of inertia	140g.cm² (140×10^-7 kg.m² )	280g.cm² (280×10^-7 kg.m² )	480g.cm² (480×10^-7 kg.m² )
Rated current	3.5A/Phase
Resistance	0.55Ω/Phase ±10%	0.57Ω/Phase ±10%	0.93Ω/Phase ±10%
Inductance	1.05mH/Phase ±20%	1.8mH/Phase ±20%	3.7mH/Phase ±20%
Weight^*2	Approx. 0.76kg (approx. 0.62kg)	Approx. 0.99kg (approx. 0.85kg)	Approx. 1.36kg (approx. 1.22kg)

Frame size 60mm
Model	Ai-M-60SA	Ai-M-60MA	Ai-M-60LA
Max. holding torque^*1	11.22kgf.cm (1.1N.m)	22.43kgf.cm (2.2N.m)	29.57kgf.cm (2.9N.m)
Rotor moment of inertia	240g.cm² (240×10^-7 kg.m ² )	490g.cm² (490×10^-7 kg.m² )	690g.cm² (690×10^-7 kg.m² )
Rated current	3.5A/Phase
Resistance	1.0Ω/Phase ±10%	1.23Ω/Phase ±10%	1.3Ω/Phase ±10%
Inductance	1.5mH/Phase ±20%	2.6mH/Phase ±20%	3.8mH/Phase ±20%
Weight^*2	Approx. 0.89kg (approx. 0.75kg)	Approx. 1.27kg (approx. 1.13kg)	Approx. 1.58kg (approx. 1.44kg)

*1: Max. holding torque is maintenance torque of stopping the motor when supplying the rated current (2-phase excitation) and is the standard for comparing the performance of motors.

*2: The weight includes packaging. The weight in parenthesis is for unit only.