Hi Gary
It maybe the bit you are trying to use, most straight bits are Not made to plunge in... they have a blank spot right in the center of the bit .
Try one like below
http://www.mlcswoodworking.com/shop...s/bt_plung.html
Or
http://www.mlcswoodworking.com/shop...s/bt_solid.html
Note.. the picture below, this is the one you should use in a router (upcut) down cut in a plunge router..
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Quote:
| Originally Posted by garycurtis I'm planning to make a few jigs using plexiglass. The bit can be any modest straight bit. My first few attempts ended with the plastic shattering. Even with relatively shallow cuts.
What am I doing wrong?
Gary Curtis
Northern California |