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Conventional micro-milling is done with a one of a kind
four axis Dover Instrument Corp. micromachining center designed to
National Jet and Calla, Inc. specifications.
The X-Y stage utilizes air bearings, DC linear motors and positive positional feedback provided by a Zygo laser interferometer system. The stage is mounted on a 36" X 48" X 8" natural granite surface plate base.
The Z stage utilizes an air bearing slide, DC motor, a precision lead screw and positive feedback provided by a linear encoder. The slide is mounted on two granite columns attached to the granite base.
The fourth axis is a Dover high speed air bearing motor and spindle.
All movements are controlled by a CNC Dover model DMM-2004 controller that can be programmed in PMAC motion commands or G-code. |
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