Precision at scale: automated coil winding for electric motors. Behind every EV, drone, HVAC system, and industrial robot is a stator or rotor built from tightly controlled copper windings. Modern coil winding cells use CNC-controlled spindles, programmable tensioners, and servo-driven wire guides to place enamel-coated copper with micron-level repeatability. Key process variables: • Turns per slot and winding pattern (distributed vs. concentrated) • Wire gauge (AWG) and fill factor • Tension control to prevent insulation damage • Slot insulation and interlayer barriers • Automated termination (ultrasonic welding, laser stripping) • Inline resistance and hipot testing for quality assurance Why it matters: • Higher slot fill improves torque density and efficiency. • Consistent winding reduces harmonic losses and heat buildup. • Automation enables hairpin windings and complex geometries used in high-performance EV motors. • Traceable QC data supports reliability in aerospace...