Atch 1 - Technical Specifications-Small CNC Vertical Mill

Specifications for Small CNC Vertical Mill
at
Arnold Engineering Development Complex (AEDC)
Arnold Air Force Base, TN;
Provide all materials, labor, and equipment necessary to provide a new fully functional Small CNC Vertical Milling Machine. Refurbished or remanufactured parts are not authorized for this requirement.


Machining center construction
o Base, Bed and Headstock shall be Meehanite Cast Iron
o Ways shall be hardened and ground preferably with linear roller bearings o Protective way covers for 3-Axis to protect ways and ball screws



Headstock Specification
o Spindle speed 12,000 Rpm Maximum
o Spindle bearings shall be cooled
o Spindle drive motor 25 HP minimum
o Spindle Taper shall be CAT 40/ CAT 40 Big Plus
o Air blast required at tool change
o Through spindle coolant



Tool Changer (Automatic)
o Changer Magazine shall hold a minimum of 30 tools
o Changer shall handle tools weighing up to 17 lbs
o Changer shall hold tools 3” cutter dia., and 11” in length with adjacent pocket occupied
o Changer Magazine shall hold 6” diameter with adjacent pocket empty



Work Table
o Work table size
 X-axis 36”
 Y-axis 14”
o X-axis travel 30” minimum
o Y-axis travel 18” minimum
o Z-axis travel 18” minimum
o Integrated A-axis and tail stock
o Table shall support a Minimum of 1,500 lbs
o Table equipped with standard “T” slots
th

4 Axis

o 8” 90 Deg. high speed rotary head with continuous machining capability o Tailstock
o 8” diameter 6-jaw chuck
o All hardware and software required to operate

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

Controls
o Manufacturers latest version with 15” minimum Color LCD o Controls cabinet shall be cooled
o Minimum program memory shall be 32MB Memory
o DNC Capability
o Programming should be compatible with FANUC protocol
o Controls equipped with conversational programming capability o Helical interpolation and Custom Macro B
o AC Digital Servo & Spindle Drivers
o High Speed Machining Capability
o Engraving Function
o Tool path simulation
o Data Server 256MB (DNC) min
o Machine shall be equipped with Renishaw style probe tooling for part inspection o Renishaw tool setter
o Remove / Disconnect Wi-Fi
o Ethernet Connectivity
o Simultaneous all axis control
o Spindle speed override
o Axis feed override
o Rapid feed override
o Manual pulse generator
o High speed 3D machining contour control



Accuracy
o Repeatability for X, Y, & Z Axis shall be +/- .0003”