Can You Get the Bow Out?

The Family Handyman - - DIY ESSENTIALS -

Ad­mit it: You’ve tried flat­ten­ing sheets of plywood. I have too. I’ve tried weights, clamps, wet­ting down the con­cave side, sundry­ing the con­vex side and glu­ing op­pos­ing bowed sheets to­gether. Noth­ing seems to work with any re­li­a­bil­ity. If the core ve­neers weren’t in a per­fect state of equi­lib­rium and all in har­mony when they were bonded to­gether, the sheet has lit­tle chance of flat­ten­ing out. The only re­course is to save the flat­test sheets for the largest parts and use the worst sheets in smaller com­po­nents, min­i­miz­ing any cur­va­ture.

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