Depending on the plastic I'd first look at laser for this application.
Don't laser PVC. PE and PP can be difficult unless it is very thin.
Drag or tangential knife would be my second choice. You'll need some way
to hold the sheet down. Simply taping down the edges may work. For
thinner more flexible sheet you may need to use vacuum or low tack
adhesive to hold it down.
SheetCam has a plugin to generate drag knife tool paths and post
processors to generate tangential paths. I personally prefer tangential.
For quantities Andy is right, die cutting would be by far the most
competitive way.
Les
On 25/07/2020 01:59, Chris Albertson wrote:
The think about a drag knife is that you have to use special path planning
for corners to make the knife swivel. These knives are mostly used in the
sign-making industry to cut colored vinyl. Either the vinyl makes the
letters of a stencil for paint.
Many of these knives are designed to replace the pen on older pen plotters.
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