Used controller in Guangdong, China

Verify payload capacity, reach, degrees of freedom, controller model and firmware, total operating hours/cycle counts, maintenance and crash history, condition of servomotors and gearboxes, availability of the teach pendant and software licenses, and end-effector compatibility.

Secure joints and arm positions, remove or brace delicate end-effectors, disconnect and label cables, use a certified crate or frame with vibration protection, work with experienced riggers and provide required export/import documents.

Follow manufacturer schedules: inspect and lubricate gearboxes and bearings, check encoder and cable integrity, verify safety stops and limits, update controller backups and firmware, perform periodic calibration and replace worn components as needed.