Quote Originally Posted by Clive S View Post
Ok seeing that you are not so abrasive.

I cut a slot in my table about 4mm deep Click image for larger version.  Name: CIMG2020.JPG  Views: 323  Size: 627.6 KB  ID: 20311

Click image for larger version.  Name: CIMG2025.JPG  Views: 338  Size: 799.9 KB  ID: 20312
and the table twisted by about 2mm with the stress being relieved then I had to take it to engineering place to have it trued up and the top skimmed.

So beware as I did not expect that to happen.
Perhaps this resource could be useful...

STRESS RELIEF OF GRAY CAST IRON


dtic.mil/cgi-bin/GetTRDoc?AD=AD0620556 · PDF file


I don't know how to insert links so go easy on me....