Newsgroups: comp.robotics
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From: nahshon@vnet.ibm.com (Itai Nahshon)
Subject: Re: Cutting Laser
Sender: news@austin.ibm.com (News id)
Message-ID: <NAHSHON.95Jul28144904@rs3bt-01.haifa.ibm.com>
In-Reply-To: zoltanccc@aol.com's message of 26 Jul 1995 05:25:34 -0400
Date: Fri, 28 Jul 1995 11:49:04 GMT
References: <3uvm0u$a82@ds2.acs.ucalgary.ca> <3v51me$gch@newsbf02.news.aol.com>
Organization: IBM Israel Science and Technology, Haifa, Israel
Lines: 14

In article <3v51me$gch@newsbf02.news.aol.com> zoltanccc@aol.com (ZoltanCCC) writes:
>I am sure either laser or waterjet cutting would work. I myself have cut
>the foam with a hot wire suspended on a wood frame. The wire was about 3
>feet long and I used the 120 AC to heat it. The wire did not have to be
>very hot, it was not hot enough to glow.

>Zoltan

I use .5 mm piano-wire. 3.5 ampers make it gets hot enough to cut
styrofoam. For 3 feet long it would be about 12V.

Play it safe! Do not use 120 V.

Itai
