1848 Large CNC EDM Sinker Specifications Rev 2

Specifications for Large Sinker EDM Machine
at
Arnold Engineering Development Complex (AEDC)
Arnold Air Force Base, TN
Provide all materials, labor, and equipment necessary to provide a new fully functional Large Sinker EDM Machine. Refurbished or remanufactured parts are not authorized for this requirement.
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General
o Direct drive ball screws and linear motion guide ways ▪ Moving column design to allow easier loading and unloading ▪ C3 class screws in the X, Y, and Z-axis
▪ Linear motion guides shall be class P in the X, Y and SP in the Z-axis ▪ Min. drive resolution .000002”
▪ Drive motor type -Intelligent AC servo
▪ Direct drive motor coupling type
▪ Z-axis jump speed shall be 984”/min. and 1.6G acceleration ▪ High speed positioning 275”/min.
▪ 0.05um motor resolution
▪ Thermal growth compensation
▪ Dielectric fluid chiller
o Three-sided drop-down tank encloser design with multiple stop locations ▪ Rapid fill tank pumps
▪ Built in triple-filter system that allows filters to be changed without machining interruption
▪ Flushing through the head design
o High-inertia style C-axis with automatic chuck and flushing through the head design
▪ Constant burning capability 1-30RPM
▪ .001 deg. min. indexing angle
o Machine head shall have orbiting capabilities
o Max electrode weight on platen 400 Lbs
o Automatic fire extinguisher
o Paper Filtration System
o Machine shall accept 3R electrodes system
o Dielectric fluid emission and suction
o Auto lubrication
o 6” A/B-Axis rotary table with platen

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Table
o Worktable size 50” x 35” min.
o Workpiece size 55” X 40” X 15” min.

o Machine axis Stroke X-axis 35”, Y-axis 23”, and Z-axis 17” min. o Max workpiece weight 6500 Lbs
o Table shall have T-slots for mounting work pieces
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Controls
o Manufacturers Controller with 19” minimum LCD color touch screen monitor with keyboard and mouse
▪ Anti-virus protection
▪ CMCIA Slot for Memory Expansion
▪ Lan Connection port and USB memory port
▪ Data Server 256MB (DNC)
▪ 1GB program storage
▪ Pendent controller
▪ Intelligent control system that automatically adjusts settings while machining to reduce electrode wear and improve surface finish ▪ Simple programming with preselected machining conditions, burn processes, machining conditions, and rating of machine processes (wear, speed, and precision, all equal in combination)
▪ C-axis-linked orbital rotation allowing the orbital pattern to be linked to