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----- Original Message -----
From: "Les Newell" <les@...>
To: <CAD_CAM_EDM_DRO@...>
Sent: Monday, October 28, 2002 12:05 AM
Subject: Re: [CAD_CAM_EDM_DRO] Force for foam cutting

Very little force is needed. We often cut shapes out of 2" foam in one

pass

at 4.8 m/min (approx 190ipm) with a 1/2" cutter spinning at 18000 rpm.

Dust

extraction is essential otherwise the whole room will have an even coating
of foam dust!
If the cutter is sharp you end up with a finish at least as good as hot
wire.

Les

How much force does it take to cut foam with a CNC router? I've
searched the web but only found references for hot wire cutters. I
would like to get a handle on just how beefy you have to make a foam
router, I suspect a lot less than a wood router. It seems that wire
cutters don't take much beef. Any experience or thoughts?

Roger

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