Laminating and Solid Surfacing

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CNC through protective film

10/16/19       
Mark B Member

Do any of you cut solid surface on the CNC leaving the protective film on the sheets? Have one coming up with a lot of 4x8 and 5x8 panels and some machining would be easier done on the CNC but I'd like to leave the film on for shipping. The concern that flashed into my head was a loose corner of film or a small hole cutout and the film grabbing hold of the bit and balling up under the spindle and all heck breaks loose. I can stand there and tend but Im sure if it would happen it'd be the instant my attention lapses.

10/16/19       #2: CNC through protective film ...
Nathan W Member

Hi Mark,

Ive never done it with solid surface, we dont touch the stuff, but we have done lots of acrylic panels and laminate panels with film on them. As long as the film hasnt rolled or started peeling near where you want to machine you should be fine. We have two machine centres, one rail and pod, and one vertical machine. I would suggeste to not run anything with a film on a vertical machine, as it will roll as it slides back and forth, that causes all sorts of problems, but a table or pod machine shouldnt be an issue.

10/16/19       #3: CNC through protective film ...
Mark B Member

Thanks Nathan,
We are opting to run face down with the film. That should give a bit more peace of mind as well with the film pinched between the spoilboard and the material.

10/16/19       #4: CNC through protective film ...
Jared

I always cut with film on and most of the time facing up, and have never had it tangle. Mostly downshear cutters also.

10/12/21       #5: CNC through protective film ...
John Member

When the solid surface does have the protective film on it we always leave it on when cutting. We cut it face down(film side down) and we don't cut through the film.

When doing miter fold front edges this film still being in place is great. Most of the time we can fold the front edge using the film in place instead of tape

10/12/21       #6: CNC through protective film ...
Mark B

Thanks John,
I had always been more concerned with film side up which I not too long ago concluded is a bad idea unless the film is very well adhered and fully intact. We often get sheets where the film is loose on the corners or a pretty low adhesion film. When I initially asked about this we had some sheets like that and I opted to cut them face down for that reason.

Several months ago though we were running some sheets that had some loose corners and needed to cut them face side up and it was a terrible idea. One of those loose tags wrapped the spindle and stripped a large corner off the sheet and started whipping like a fan. Knocked the dust shoe off before someone got to the Estop lucky it wasnt worse or a spindle.

Ive always consdered using the film for folding but again it seems a lot of the material we get it has been slid onto a load out of the stack and the film is knicked or even small tears. Not saying we never get nice film but its not the norm for us.

Thanks

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