Glass machining

[kzt]

What is the optimal way to create a chamfer or radius on the edge of a fused quartz (glass) part - ie. are there special machines that just do this? Tried using a CNC machine but not only did the edge have chipping all around but it also took a long time (8000rpm and used diamond tooling). Not sure I hit the right sfm...

Appreciate any helpful responses!

Thank you!

 

[btrueblood]

Grinding, typically wet grinding. Slow feeds, lots of coolant.

 

[tygerdawg]

I've seen 5-axis waterjet do this with abrasive particles. Surface finish is semi-rough like sandpaper though.

TygerDawg
Blue Technik LLC
Virtuoso Robotics Engineering

http://www.bluetechnik.com

 

[IRstuff]

This video shows a guy doing a pencil edge by hand:

https://www.youtube.com/watch?v=KadDX4E7ND8

TTFN (ta ta for now)
I can do absolutely anything. I'm an expert!

https://www.youtube.com/watch?v=BKorP55Aqvg

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[itsmoked]

You use a diamond abrasive wheel and lots of coolant. Step in slowly 10ths at a time. Works fine. Grinding as btrue sez.

Keith Cress
kcress -

http://www.flaminsystems.com