Description
The ORIENTAL MOTOR 2GK180K is a high-torque hybrid closed-loop stepper motor engineered for precision motion control in automation systems requiring positional accuracy without servo complexity. Part of Oriental Motor’s AlphaStep™ series, this NEMA 23-frame motor integrates a 1000 PPR encoder for real-time feedback, enabling stall detection and step loss compensation. The 2GK180K delivers 1.8 N·m holding torque with smooth operation up to 3000 rpm, bridging the gap between traditional steppers and servo motors. Its closed-loop architecture maintains positioning accuracy ±0.05° while consuming 30% less energy than open-loop equivalents. For machine builders in semiconductor, medical, and packaging industries, the ORIENTAL MOTOR 2GK180K provides plug-and-play compatibility with AZ series drivers, reducing tuning time and eliminating hunting oscillations common in open-loop systems.
Featuring a dual-shaft design with optional electromagnetic brake (model suffix “K” denotes brake inclusion), the 2GK180K ensures fail-safe holding during power loss. The motor’s IP65-rated construction resists dust and liquid ingress, while its low-vibration technology minimizes resonance at mid-speeds. When paired with Oriental Motor’s AZD-KD drivers, the ORIENTAL MOTOR 2GK180K enables advanced functions like torque control, electronic gearing, and programmable acceleration profiles – making it ideal for conveyor indexing, robotic positioning, and precision staging applications where reliability and energy efficiency are critical.
ORIENTAL MOTOR 2GK180K
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | 2GK180K |
| Manufacturer | Oriental Motor |
| Product Type | Closed-Loop Hybrid Stepper Motor |
| Frame Size | NEMA 23 (60 x 60 mm) |
| Step Angle | 1.8° (200 steps/rev) |
| Holding Torque | 1.8 N·m (255 oz·in) |
| Rated Current | 3.0 A/phase |
| Encoder Resolution | 1000 PPR (4000 counts/rev) |
| Brake Torque | 0.5 N·m (71 oz·in) |
| Shaft Diameter | Ø8 mm (dual shaft) |
| Ambient Temperature | -10°C to +50°C (14°F to 122°F) |
| Insulation Class | Class B (130°C) |
| Protection Rating | IP65 (w/o connectors) |
| Weight | 1.8 kg (4.0 lbs) |
| Motor Length | 98 mm (3.86 in) |
| Driver Compatibility | AZ Series (e.g., AZD-KD) |
| Certifications | CE, RoHS, UL |
Main Features and Advantages
Closed-Loop Precision: Integrated encoder verifies position every 0.09°, automatically compensating for missed steps. Achieves servo-like accuracy (±0.05° positional error) without complex tuning.
Energy Efficiency: Patented current control reduces power consumption by 30% versus open-loop steppers. Automatic standby current reduction when stationary.
Enhanced Reliability:
Stall Prevention: Detects load changes and adjusts torque in real-time
Vibration Suppression: Adaptive damping eliminates mid-frequency resonance
Brake Integration: Electromagnetic brake secures load during power loss (0.5 N·m holding)
Simplified Integration:
Plug-and-play compatibility with AZD-KD drivers
Pre-motorized cables with sealed connectors
Mechanical compatibility with NEMA 23 open-loop motors
Detent Torque Cancellation: Unique algorithm minimizes cogging at low speeds for smooth micro-stepping operation.
Application Field
The ORIENTAL MOTOR 2GK180K excels in precision positioning tasks:
Semiconductor: Wafer handling robots, wire bonder stages requiring micron-level repeatability
Medical: Infusion pump dosing, ventilator valve control with fail-safe braking
Packaging: Rotary fillers, label applicators needing vibration-free indexing
Automation: 3D printer Z-axis control, CNC tool changers
Imaging: Microscope stage positioning, liquid crystal inspection systems
Its IP65 rating suits food processing conveyors and cleanroom environments where dust/oil resistance is critical. The motor’s closed-loop stability prevents misalignment in multi-axis systems like gantry robots.

ORIENTAL MOTOR 2GK180K
Related Products
ORIENTAL MOTOR AZD-KD: Matching driver with EtherNet/IP and Modbus RTU for 2GK180K
ORIENTAL MOTOR 2GK150K: Smaller NEMA 23 variant (1.0 N·m torque)
ORIENTAL MOTOR 2GK240K: Higher-torque NEMA 34 version (4.5 N·m)
ORIENTAL MOTOR ARK-23: Mounting kit for 2GK180K with backlash-free couplings
ORIENTAL MOTOR BRK-23: Replacement brake kit for 2GK180K maintenance
ORIENTAL MOTOR CBL-5AS5P-200: Pre-motorized cable (2m) with IP65 connectors
ORIENTAL MOTOR AS98: Open-loop alternative for cost-sensitive applications
ORIENTAL MOTOR BLH220K: Brushless servo option for higher dynamic response



Email: sales@slxytech.com
WhatsApp / Wechat:8617062388866
Phone:+86 17062388866