Can be done safely with little or no tearout or explosions.
Problem: High cutter traction on poorly fixtured workpiece.
Work has to fixtured and traction reduced.
The fixturing: Might require screws or vacuum chuck. To be sure, if the
work squirms you will break the piece or it will run amok.

Now then, to reduce the traction: Use a plunger with a new cutter. Let
the plunger take no more than a 1/16/pass. At that level there is no
remarkable energy transfer from router to work. Expect perfection. If
the router bobbles or the work squirms it's curtains. Test this
thoroughly on scrap.

http://www.patwarner.com (Routers)
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wrote:
I am rounding the corners of some 3/4" hard maple and at times the wood
will split out a small piece where I am turning the corners. Can
someone tell me how to avoid this?

thank you!!

II