I haven't done anything in Corian for a while and for Christmas had a couple of family requests for serving boards with engraving come in. All went well except for during the cutting, the routed material just stayed in the groove. I had to use a pointed dental tool to break it up and then it vacuumed out. Even though the surface color was dark grey, the residue in the groove was snow white. (Actually, since they are from sink cutouts I don't know if they are true Corian or another brand solid surface.)
Tool diameter was 0.05" and cutting depth was 2.0 mm. Router motor was set on high (#6) and then one step lower with same results. Setting #6 is 26,000 rpm. Vacuum on the CNC was working fine, good suction and not clogged filters. Tool looked perfect after considerable cutting.
It was less risk cleaning them than experimenting for the true cause due to being presents at the last hour.
Was the router motor speed set too high and the Corian remelting in the groove?
No pictures of the crime scene, but some pictures of one finished board. It is 13" square and colored clay put in the routed slot and then baked. Will be coated with salad bowl coating to seal the clay. Not meant for raw meat use.
Steve.
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