Cnc buildlog

http://www.harmonicdrive.net/products/gearheads/hpg-quickconnect/. 4ht axis cnc created with planetary gear from harmonic drive. Gear is bolted to aluminum block and coupled to gecko stepper motor.

mill conversion
http://rlberg.com/

open hardware
http://secure-www.openhardware.co.za/cart/13-openbeam-extruded-aluminum sa supplier of openbeam aluminum extrusion design for building racks

Stepperhead
http://www.lathes.co.uk/stepperhead/ by Alan Jackson

http://www.lirtex.com/robotics/diy-cnc-machine/

http://twilightrobotics.com/cnc/cncnot1 how not to make a cnc

CNC suppliers
Cnc electronics

Videos

 * http://www.youtube.com/watch?v=ppSPU6E2pWQ 27 videos building a cnc by Jason Beam (search jason beam)
 * http://www.youtube.com/watch?v=fIVL83AwXrE home made router with steel frame ProjectS S7

Bearings
http://www.youtube.com/watch?v=g3L55ZD4rpI Steel CNC bearing design from http://www.buildyourcnc.com. Four bearings clamped to a square steel tube, avoids expensive aluminium but not as stable as linear guide rails. http://www.youtube.com/watch?v=mvPD5_fk-R0&src_vid=g3L55ZD4rpI&feature=iv&annotation_id=annotation_2893395509 GUide rails

links

 * og.net/ linked somewhere else
 * Aluminum extraction
 * http://buildyourcnc.com/ and see Gears robot
 * http://reprap.org/wiki/Extruded_Aluminum