Projects
Digital Readout



The first project I tackled (actually before the CNC Conversion) was the DRO from
   Shumatech. It's a Do-It-Yourself kit, parts ordered seperately, that will give you a nice
  3 Axis readout with many features comparable to higher priced units. It uses Import
  digimatic scales (check Ebay) and has ports for connecting a Tachometer and Electronic
  Edge Finder. Plans for modifying the scales, tach and edge finder are included. They
  didn't have any silk-screened overlays in stock when I ordered mine so I made my own
  and printed it on photo paper covered with plastic sheet. I'll include it here, just cut out
  openings for the LED's. I connected the scales to the Readout with S-Video cables.
Note: Shumatech now has a new US supplier, Wildhorse Innovations,  but you can still get
  the kit with more options available from Europe. He has prices listed in US $ too.
Any Questions? Ask Me.

Here's Pics showing the installation.
 
DRO Components

DRO Components

DRO Digimatic Scales

DRO Digimatic Scales

Y-Axis Scale Mount

Y-Axis Scale Mount

Z-Axis Scale Mount 1

Z-Axis Scale Mount 1

Z-Axis Scale Mount 2

Z-Axis Scale Mount 2

Z-Axis Scale Mount 3

Z-Axis Scale Mount 3

X-Axis Scale Mount 1

X-Axis Scale Mount 1

X-Axis Scale Mount 2

X-Axis Scale Mount 2

X-Axis Scale Mount 3

X-Axis Scale Mount 3

X-Axis Scale Mount 4

X-Axis Scale Mount 4

X-Axis Scale Mount 5

X-Axis Scale Mount 5

X-Axis Scale Mount 6

X-Axis Scale Mount 6

DRO Cables

DRO Cables

DRO with Control Panel 1

DRO with Control Panel 1

DRO with Control Panel 2

DRO with Control Panel 2

Shumatech DRO-350 overlay by Hoss

Shumatech DRO-350 overlay by Hoss

Engraving Attachment



I wanted higher RPM for engraving than the spindle could put out, so I built this Engraving
attachment. The spindle maxes out at 2500 RPM. This tops out at 34,000 RPM.
It's a Dewalt Laminate Trimmer Model #DW670. I bought mine at lowes for $99 but they
don't seem to carry them anymore. This model seem to be discontinued but you may find
one thru National Supply Source  from over 130 distributor locations throughout the country.
It has a 1/4 in. collet ( I made an 1/8 collet for it). A very nice quality item with no backlash
in the spindle. It has a machined housing that fits nicely in the mount that I made to hold
it perpendicular and true. Very loud though so hearing protection is a must.
Note: The Fine Feed Assembly will need to be removed, It's unnecessary now anyhow.

Here's some pics.

 
Engraver Bracket 1

Engraver Bracket 1

Engraver Bracket 2

Engraver Bracket 2

Engraver Bracket 3

Engraver Bracket 3

Engraver Bracket 4

Engraver Bracket 4

Engraver Bracket 5

Engraver Bracket 5

Dewalt .125 Collet print

Dewalt .125 Collet print

Dewalt .125 Collet 1

Dewalt .125 Collet 1

Dewalt .125 Collet 2

Dewalt .125 Collet 2

Spindle Engraver Bracket

Spindle Engraver Bracket

Spindle Engraver Bracket B Rev A

Spindle Engraver Bracket B Rev A

Engraving Attachment 1

Engraving Attachment 1

Engraving Attachment 2

Engraving Attachment 2

Engraving Attachment 3

Engraving Attachment 3

Engraving Attachment 4

Engraving Attachment 4

Spindle Lock


With the Engraving Attachment mounted on the side of the Mill, It was necessary to make a
Spindle Lock that mounts on the front. My version is a near copy of others seen around the
net. It requires removing the motor mounting bracket to drill the .390 dia. pin thru hole and
tap (2) 1/4-20 mounting holes.

 
Spindle Lock Print

Spindle Lock Print

Spindle Lock 1

Spindle Lock 1

Spindle Lock 2

Spindle Lock 2

Spindle Lock 3

Spindle Lock 3

Spindle Lock 4

Spindle Lock 4

Spindle Lock 5

Spindle Lock 5

Spindle Lock 6

Spindle Lock 6

© 2007 Daniel E. Kemp

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