RE: [gingery_machines] new article: Making it Dead Flat and Square

 

Hi Rick,
 
I would believe that if you could see a warp on this size metal over a couple of days, you must either have a pretty nasty piece of metal, or subjected it to extreme temperatures.
 
Any thoughts as to "pushing" it a bit and put it in the kitchen oven with the next roast? <smile>
 
Kind regards,
DBN 
 

--- On Sun, 1/2/11, Rick Sparber <rgsparber@aol.com> wrote:

From: Rick Sparber <rgsparber@aol.com>
Subject: RE: [gingery_machines] new article: Making it Dead Flat and Square
To: gingery_machines@yahoogroups.com
Date: Sunday, January 2, 2011, 5:08 PM

 

I'm not so sure what I've got for metal. The label doesn't even say CRS or HRS. I guess it is CRS because there is no scale.

I took a 3" length of it and milled the top and bottom long edges. Then I used my one precision 3" square as my reference plus some HiSpot to find where it was out. It didn't take much draw filing to true it up. When done, I see no light between the two edges and both this square and another one I have with a knife edge.

So maybe I should now wait a few days and see if it warps?

Rick

-----Original Message-----
From: gingery_machines@yahoogroups.com [mailto:gingery_machines@yahoogroups.com] On Behalf Of Matthew Tinker
Sent: Saturday, January 01, 2011 8:35 AM
To:

[Non-text portions of this message have been removed]

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