Sponsored by Openbuilds
CC - Attribution - CC BY
Craig Mills & Mark Carew
C-Beam
TM
Machine XLarge
Designed with precision and strength in mind, in a sexy double-wide format that is capable of milling Aluminium plate
with light cuts. Featuring easy to source off the shelf Openbuilds Parts in an adaptable design; dare I say, reduce its
width for a stronger machine. Just add your unique imagination by modifying the design, tossing in some more parts or
by making your own plates with this capable Hobby CNC Machine. Part of the fun is adding your individual touch to the
build for your own special requirements. Who knows where that might lead you and the brilliant ideas you will come up
with!
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750 mm x 330 mm (29.5” x 13”) X&Y axis cut area.
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Usable cut depth is dependent on how you mount your spindle/router, bit length used and spoil board height.
But as a ballpark measurement you are looking at 1 inch (25 mm) material. The Z working height is over 2
inches for deep carving.
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The physical footprint is 1000 mm x 500 mm (with the moving Y table protruding out about 170 mm at full travel,
front and back) with the High Torque Steppers sticking out about 140 mm from the frame at the back. Maximum
Height ( Z-axis fully up) is about 630 mm.
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All the precise Acme Lead Screws are faced away from flying chips to help keep them clean.
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Outside mounted Xtreme Solid V-Wheels™ used throughout for easy on machine adjustment, tuning and
strength.
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Doubled up and adjustable Acme Nut blocks on Y and X axes with an Anti-Backlash Nut Block on the Z axis to
reduce/remove backlash.
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Strong and accurate C-Beam™ and V-Slot™ Linear Rail with the new heavy duty C-Beam™ Gantry Plate
XLarge used for all Actuators.
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Openbuilds Router / Spindle Mount (71 mm inside diameter) designed for the Bosh Colt Router; but with some
additional shimming, it is also suitable for the Dewalt 611 Router and the 0.8 kw Chinese Spindles (65 mm
diameter).
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