Jon Elson's Machining Page
Some things about machining -
Machines -
  
My "new" Bridgeport Milling Machine.
  
My "old" Bridgeport Milling Machine.
  
Atlas Lathes.
  
Sheldon 15 x 42" Lathe.
  
Quad QSA Pick and Place machine.
  
Philips CSM84 Pick and Place machine.
Techniques -
  
Printed Circuit Board Making.
  
Sharpening End Mills
  
A Mini-EDM system
Projects -
  
Water Boiler Heating Element Groove.
  
Allen-Bradley 7320 CNC Controller.
  
Presetting tools for CNC
  
a Laser Photoplotter
  
A Turret Stop for the Atlas Lathe
  
A Mill Work Light
  
A Computer-Controlled Air Compressor
  
Some machined artwork 
  
An Air-Bearing High-speed drilling spindle 
  
Table for leveling a surface plate 
  
Jog pendant for my Bridgeport with EMC2 
  
How to put a spindle encoder on a Bridgeport 1J head 
  
Coolant Shield for a Bridgeport Series-I mill
  
LED Lighting retrofit
CNC -
  
Bridgeport 3-Axis CNC conversion
  
Upgrading to CNC on a PC platform, with Linux and EMC
  
Conversion of 150-Lb miniMill to CNC
  
Schematics of Connections for EMC and Servo-to-Go
  
A CNC block Diagram
  
Pico Systems Velocity Servo Amplifier
  
Pico Systems Parallel Port Motion Control
  
Adding a centering camera to LinuxCNC
  
Programs to write G-Code
  
LinuxCNC programs for probing work coordinates
  
How to convert step-direction signals to phase signals
Stories -
  
Interesting use for an old Corsair (F4F? F4U?)
  
A short history of E. J. Potter
Info: