Nema34 Stepper Motor 86AM120ED Closed Loop Stepper Motor

Nema34 Stepper Motor 86AM120ED Closed Loop Stepper Motor

Nema34 Stepper Motor 86AM120ED Closed Loop Stepper Motor is a high-torque, industrial-grade motor built for heavy-load CNC machinery, automation systems, and precision motion control.

• With a strong 12 N·m torque output and advanced closed-loop encoder feedback, it ensures accurate positioning, zero missed steps, stable operation, and smooth motion even under extreme workloads.
• Stepper Motor 86AM120ED is perfect for CNC routers, mills, robotics, packaging systems, and industrial automation, this motor delivers long-lasting performance and reliable torque stability.

Specifications

• Model: 86AM120ED
• Phase Number: 2 Phase
• Step Angle: 1.8°
• Holding Torque: 12.0 N·m
• Rated Current: 6.0 A
• Phase Inductance: 8.3 mH
• Phase Resistance: 1.72 Ω
• Body Length With Brake: 220 mm
• Rotor Inertia: 4000 g·cm²
• Shaft Diameter: 14 mm
• Encoder Resolution: 4000 ppr
• Motor Body Length (L): 182 mm

Features

• Ultra-high 12 N·m holding torque for heavy-duty industrial applications
• Closed-loop control with 4000 ppr encoder ensures zero step loss and real-time position correction
• High rotor inertia (4000 g·cm²) provides exceptional motion stability under heavy loads
• Precision 1.8° step angle for smooth and accurate movement
• Excellent low-speed torque with stable high-speed operation
• Industrial-grade construction for long-term durability in harsh environments
• Low vibration and noise thanks to optimized motor structure
• Compatible with high-power closed-loop drivers (R86 / DM860 / T60 series)
• Efficient heat dissipation for continuous, reliable operation

Applications

• Stepper Motor 86AM120ED loads high CNC machines — routers, milling machines, plasma cutters
• Industrial robotic arms and automation systems
• Packaging and textile machinery
• Printing, labeling, and material-handling equipment
• Large-format motion control systems
• High-torque pick-and-place systems
• Heavy-duty automation & mechanical assemblies
• Custom industrial machine development

Usage Instructions

• Use with a compatible closed-loop driver such as R86 / DM860 / T60.
• Set the driver microstepping and rated current (6.0 A) as required by the load.
• Ensure proper coupling alignment to avoid shaft stress or vibration.
• Mount the motor firmly to a rigid base or machine frame for optimal precision.
• Avoid running the motor beyond its torque limits to prevent overheating.
• Keep wiring connections tight and secure for stable encoder feedback.

Package Includes

• 1 piece of Stepper Motor 86AM120ED