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Do we have a welding thread on here?
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<blockquote data-quote="Red97" data-source="post: 608231" data-attributes="member: 12467"><p>This ^^^</p><p></p><p>That is a bed on a 2500 ton forging press. It had been beat down and re cut almost 2" over the last 35 years. So they wanted it built back up, so it can be recut just like the day it left the factory.</p><p></p><p>The big weld job I mentioned was a design change, I will post some pics in a bit.</p><p></p><p><a href="http://s882.photobucket.com/user/josephis09/media/20160727_091348.jpg.html" target="_blank"><img src="http://i882.photobucket.com/albums/ac23/josephis09/20160727_091348.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p>Before</p><p><a href="http://s882.photobucket.com/user/josephis09/media/20160727_091431.jpg.html" target="_blank"><img src="http://i882.photobucket.com/albums/ac23/josephis09/20160727_091431.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p>After welded, and rough machine.</p><p></p><p>This is a "wedge" design. A wedge is supposed to sit in the pocket to make the bed parallel to the sides(as seen in top pic.) Then to change the height for different dies you just slide the wedge up/down. Sounds good in theroy, but after a little time the wedge gets beat down and dosent slide. So you have to shim anyway. Since the wedge acts as a lamination it can result in very inconsistent parts. So the solution is to weld the pocket solid. Makes a stronger base too.</p><p></p><p>Since most of these frames are 1 piece cast steel they must be pre heated and maintain 400* during the welding process, then taken up to 1000-1200* to stress relieve.</p></blockquote><p></p>
[QUOTE="Red97, post: 608231, member: 12467"] This ^^^ That is a bed on a 2500 ton forging press. It had been beat down and re cut almost 2" over the last 35 years. So they wanted it built back up, so it can be recut just like the day it left the factory. The big weld job I mentioned was a design change, I will post some pics in a bit. [URL=http://s882.photobucket.com/user/josephis09/media/20160727_091348.jpg.html][IMG]http://i882.photobucket.com/albums/ac23/josephis09/20160727_091348.jpg[/IMG][/URL] Before [URL=http://s882.photobucket.com/user/josephis09/media/20160727_091431.jpg.html][IMG]http://i882.photobucket.com/albums/ac23/josephis09/20160727_091431.jpg[/IMG][/URL] After welded, and rough machine. This is a "wedge" design. A wedge is supposed to sit in the pocket to make the bed parallel to the sides(as seen in top pic.) Then to change the height for different dies you just slide the wedge up/down. Sounds good in theroy, but after a little time the wedge gets beat down and dosent slide. So you have to shim anyway. Since the wedge acts as a lamination it can result in very inconsistent parts. So the solution is to weld the pocket solid. Makes a stronger base too. Since most of these frames are 1 piece cast steel they must be pre heated and maintain 400* during the welding process, then taken up to 1000-1200* to stress relieve. [/QUOTE]
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