Horizontal articulated industrial robot body featuring a 4-axis configuration that combines high-speed, high-precision positioning in the X-Y plane with vertical lifting motion. Optimized structure for electronic component mounting, small part assembly, and transport operations. Higher rigidity compared to multi-joint robots and wider operating range than Cartesian robots. Standard features include teach-playback function via control programming and high-precision positioning accuracy of ±0.02mm or less. Includes cleanroom-compatible models and dust/drip-proof specifications. End effectors and control devices are classified separately; this covers only the main body mechanism.