Nema34 Stepper Motor 86AM85ED Closed Loop Stepper Motor

Nema34 Stepper Motor 86AM85ED Closed Loop Stepper Motor

Nema34 Stepper Motor 86AM85ED Closed Loop Stepper Motor is an ultra-high-torque industrial motor designed for heavy-load CNC machines, automation systems, and precision motion equipment.

• With advanced closed-loop feedback and a powerful 8.5 N·m holding torque, it delivers exceptional accuracy, stable torque output, zero missed steps, and reliable continuous performance.
• Built with high rotor inertia and industrial-grade materials, the 86AM85ED ensures smooth acceleration, precise positioning, and superior durability in demanding environments.

Specifications

• Model: 86AM85ED
• Phase Number: 2 Phase
• Step Angle: 1.8°
• Holding Torque: 8.5 N·m
• Rated Current: 6.0 A
• Phase Inductance: 5.5 mH
• Phase Resistance: 0.53 Ω
• Body Length With Brake: 181 mm
• Rotor Inertia: 2800 g·cm²
• Shaft Diameter: 14 mm
• Encoder Resolution: 4000 ppr
• Motor Body Length (L): 140 mm

Features

• Ultra-high 8.5 N·m torque for demanding heavy-load applications
• Closed-loop control offers zero step loss and automatic position correction
• High rotor inertia (2800 g·cm²) ensures stable, vibration-free motion
• Precise 1.8° step angle for accurate and smooth operation
• Durable construction to withstand industrial environments
• Excellent low-speed torque and stable high-speed performance
• Efficient, low-vibration, and energy-optimized closed-loop design
• Compatible with high-power drivers (R86 / DM860 / T60 series)

Applications

• This Stepper Motor 86AM85ED Heavy-duty CNC mills, routers, plasma & engraving machines
• Industrial robotic arms and automation systems
• Packaging, textile, and printing machinery
• Large-format motion systems
• High-torque pick-and-place equipment
• Custom industrial-grade automation solutions

Usage Instructions

• Stepper Motor 86AM85ED Connect with a compatible closed-loop driver (R86 / DM860 / T60).
• Set the rated current to 6.0A and adjust microsteps as per load.
• Ensure proper shaft alignment to avoid mechanical stress.
• Use rigid mounting to minimize vibration and improve accuracy.

Package Includes

• 1 piece of 86AM85ED Stepper Motor