Re: Cutting torroidal cores

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Mark Broker by way of Terry Fritz <teslalist-at-qwest-dot-net>" <mbroker-at-thegeekgroup-dot-org>

As opposed to cutting the core twice with a saw, a machine shop would likely
prefer to machine the slot using a 1/2" cutter in mill.  I would imagine 
that would
make fairly quick work of it, too.

Mark Broker
Chief Engineer, The Geek Group

1/18/2003 6:55:14 PM, "Tesla list" <tesla-at-pupman-dot-com> wrote:

 >Original poster: "Ben McMillen by way of Terry Fritz <teslalist-at-qwest-dot-net>"
<spoonman534-at-yahoo-dot-com>
 >
 >Hi all,
 >   Does anyone have any suggestions on how I might go about
 >cutting a 1/2" wide slot in a torridal core? (the kind that
 >you find in variacs) I need to cut a slot all the way
 >through to make a "c" core so that a metal disc can pass
 >between the poles. The cores are made from soft iron strap
 >that's been coiled. They've also got plastic formers around
 >the inside and outside. I've heard mention that they tend
 >to come apart when cut... Is there any way to prevent this?
 >I've got access to a really good machine shop..
 >
 >Thanks for any help!
 >
 >Coiling In Pittsburgh
 >Ben McMillen
 >
 >