MAKINO A81NX HORIZONTAL MACHINING CENTER

Technical Description

The Makino A81NX Horizontal Machining Center is a high-capacity 4-axis CNC machine engineered for large-part, high-precision production. It features a **horizontal CAT50 spindle** capable of **up to 10,000 RPM** with a **50 HP (30-minute rating) motor**, optimized for rigid, high-speed milling operations. An optional spindle taper upgrade to **HSK-A100** is available for enhanced tool-holding rigidity. The machine supports a **51.2" x 39.4" table size**, accommodating a maximum workpiece weight of **2,645 lbs**, with travel ranges of **35.4" in X and Y axes, 40.2" in Z axis**, and a full **360° bi-directional B-axis rotation** for versatile 4th-axis machining. Equipped with a **299-tool automatic tool changer (ATC)**, it delivers rapid tool changes in **1.7 seconds tool-to-tool** and **3.7 seconds chip-to-chip**, enabling efficient multi-tool operations. The standard dual pallet changer supports continuous production with two pcs pallets. Rapid traverse rates reach an impressive **1,968 inches per minute** across all axes, enabling fast positioning and high throughput. Additional advanced features include through-spindle coolant, chip evacuation systems, and a robust Pro6 CNC control system for precise machining performance. Its rigid machine structure minimizes deflection, maintaining surface quality and dimensional accuracy during heavy cutting. The A81NX is widely applied in automotive, aerospace, mold making, and industrial sectors requiring large-part, high-volume machining with exceptional productivity and reliability.