This is a high-throughput tapping operation used to generate internal threads in large nuts. The goal: consistent pitch, accurate major/minor diameters, and surface integrity across thousands of parts with minimal variation. Key mechanics behind what you’re seeing: * Synchronized motion: The tap’s axial feed must match the thread pitch exactly. In CNC systems, rigid tapping locks spindle rotation and feed rate together to prevent pitch error and tool breakage. * Chip evacuation: Large nuts mean deeper threads and higher material removal. Spiral point taps push chips forward; spiral flute taps pull them out—selection depends on hole type (through vs. blind) and material behavior. * Torque management: Tapping generates high torsional loads. Machines monitor spindle torque in real time to detect overload conditions and adapt feed or retract before catastrophic failure. * Tool coating & geometry: Coatings like TiN/TiAlN reduce friction and heat, while optimized chamfer length (lead) cont...