Nachi SRA166 – Industrial Robot Overview
The Nachi SRA166 is a high-speed, high-precision 6-axis industrial robot designed for demanding applications like spot welding, material handling, and palletizing. It offers a 166 kg payload and 2,654 mm reach in a compact, rigid frame—optimized for performance and efficiency on automotive and industrial lines. Refurbished Nachi robot for sale with 6-month warranty on all parts.
General Specifications
Model: SRA166-01
Type: 6-axis articulated robot
Mounting: Floor-mounted
Payload: 166 kg (366 lbs)
Reach: 2,654 mm (104.5 in)
Repeatability: ±0.06 mm
Weight: 960 kg
IP Rating: IP54 body / IP67 wrist
Controller Compatibility
Controller: Nachi FD11
Teach Pendant: 5.7″ color touchscreen with FlexGui interface
Programming: Teach & playback, offline programming supported
Program Capacity: Up to 9,999 programs / 256 MB internal memory
Safety: PLd-equivalent safety circuits and high-speed interference detection
Fieldbus Support: Ethernet/IP, DeviceNet, Profibus, Profinet, CC-Link, FL-Net
Joint Motion Ranges & Speeds
J1 (Base): ±180° at 125°/s
J2 (Shoulder): –80° to +60° at 115°/s
J3 (Elbow): –146.5° to +150° at 121°/s
J4 (Wrist Roll): ±360° at 180°/s
J5 (Wrist Pitch): ±135° at 173°/s
J6 (Wrist Yaw): ±360° at 260°/s
Common Applications
Automotive spot welding
Material handling
Machine tending
Palletizing and part transfer
Key Features
Approximately 30% faster cycle times than previous Nachi models
Slim, high-rigidity frame with compact footprint
A-Trac4 internal cabling system for optimal dress-out
High-speed motion with minimal vibration for improved weld consistency
Hollow wrist with torque capacity up to 951 N·m
Energy-efficient with ~15% lower power consumption than prior generation
Electrical & Maintenance
Power Input: 3-phase, 480 VAC, 50/60 Hz
Cooling: Heat exchanger
Lubrication: Grease lubrication with long service intervals
Diagnostics:
USB data transfer and backups
Full diagnostic logs via FD11 pendant
Remote I/O and fieldbus monitoring
Alternatives & Upgrades
Nachi SRA180 – Higher payload (180 kg) with similar architecture
FANUC R-2000iB/165F – 165 kg payload robot used extensively in automotive manufacturing
ABB IRB 6640-185/2.8 – 185 kg payload with flexible reach options
KUKA KR 210 R2700 Prime – 210 kg payload with compact design
Yaskawa MH165 II – 165 kg payload with fast, smooth operation
Kawasaki BX200L – 200 kg payload robot optimized for spot welding
Quick Summary
Payload: 166 kg
Reach: 2,654 mm
Repeatability: ±0.06 mm
Weight: 960 kg
Mounting: Floor-mounted
Controller: FD11
IP Rating: IP54 (body) / IP67 (wrist)
Power: 480 VAC, 3-phase