ACRA EBM HORIZONTAL MACHINING CENTER

Technical Description

The Acra EBM Horizontal Machining Center is a robust CNC machine designed for precision milling, prototype, mold, or production work. It features a horizontal spindle with a BT-50 taper capable of reaching speeds up to 3,000 RPM, powered by a 22 HP motor rated for 30 minutes. The machine supports a maximum workpiece weight of 3,300 lbs on its heavily ribbed Meehanite cast table, sized at 59" x 31" as standard, with an optional larger table of 87" x 35" for greater workpiece accommodation. The EBM offers three linear axes (X, Y, Z) with travels of 55", 35", and 39" respectively, each axis equipped with box ways and Turcite-B bearing surfaces for lasting precision. High-speed and rapid traverse rates reach up to 196 ipm and 397 ipm respectively, ensuring efficient machining cycles. The tool handling system includes a standard automatic tool changer with 5 tools and an optional extension to 30 tools, enhancing operational flexibility. Precision is maintained through double nut, pre-tensioned, anchored, and laser-aligned ballscrews with force lubrication. The machine’s structural rigidity and thermal stability optimize machining accuracy and surface finish quality. The EBM series meets or exceeds JIS accuracy standards under full table load, making it suitable for demanding manufacturing environments requiring consistent performance and durability.