Folding Corian

      CNC owners describe successful efforts at miter-folding Corian using CNC aggregate tool heads. October 15, 2009

Does anyone have experience folding Corian following Dupont's guide lines? They suggest leaving the thickness of a business card at the bottom of the miter, presumably to eliminate the overheating and pressure cracks that easily appear. Does the glue heat up the thin layer of Corian left behind, or does it need to be placed on a heated surface to prevent the miter's long edge from shattering when the joint is folded?

Mitering Corian has the advantage of being able to clamp the miters with tape. The disadvantage is that running miters on the CNC is very slow. I have only had success running the heaviest bit I could find at 1 mpm. Does anyone have any suggestions that won't void the warranty?

Forum Responses
(CNC Forum)
From contributor A:
We have been using an aggregate with a horizontal arbor for 11+ years. We cut through to the tape. When we got our first aggregate (Benz) we had to design the tooling as I guess no one had done it or created stock cutters. Our feed speed is about 12000 rpm at 3m min. We also have a cutter set for cove splashes for the same aggregate.

From contributor B:
We ran several hundred vanity tops (70 sheets of Corian) and folded the front edge and finished ends. We cut the sink cutouts first, then the overall outside cuts, then ran 2 passes with v-groove bit. We did use All-Star Adhesives miter folding tape. Everything went smoothly.

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