Att 1 - CNC 5 Axis milling center salient characteristics_Redacted.pdf

This is a presolicitation memorandum from the Department of the Air Force, 97th Air Mobility Wing (AETC) at Altus Air Force Base, Oklahoma, dated 8 June 2026.

The memorandum announces the requirement for a CNC 5-axis vertical milling center to support the Fabrication Flight's aircraft manufacturing and maintenance operations. The equipment is needed to address evolving aircraft construction designs and legacy airframe requirements, as well as to manage increasingly complex part failures resulting from aircraft fatigue. The specified milling center must be 30" x 20" x 20" with an integrated 2-axis trunnion rotary table, featuring a spindle nose-to-table range of 4.0"-24.0", B-axis tilt capability of ±120/-35 degrees, and 360-degree C-axis rotation. Additional technical specifications include a 19.7" minimum platter diameter, precision rotary scales, 40-taper spindle, 30 horsepower (22.4 kW) vector drive motor with 12,000 rpm capability, electronic thermal compensation, 30+1 side-mount tool changer, rapid traverse rates of 1,200 ipm for X, Y, and Z axes, maximum cutting speed of 650 ipm, wireless intuitive probing system, a maximum footprint of 158.0"W x 124.1"D x 123.2"H, 55-gallon flood coolant system, and a top cover with mist extraction provision. The document contains redacted pricing information presented as black bars.