Page 282 - CNC Robotics

CNC Robotics

Figure 12.13
Diamond bit engraving
glass,

he lp lubricate the bit, I put a little water on the glass, Although I
do n' t know if the water helped , if I were going to require a dia -
mon d bit to do copious a mounts of engraving I wo uld bui ld a tub
wit h a pump to prov ide a con stan t st ream of water to extend the
life of the bit.

The diamond bit wo rked well but didn't last very long; as the tip
wore away, the lines it engraved became wider until it stopped cut-
ting into the glass altogether, Figure 12. I4 shows the Chevy logo
and the first few engraved letters,

Figure 12.14
Engraving Chevy logo,

272