So you’ve added a state-of-the-art press brake, and you’ve spent a small fortune on precision-ground tooling. The press brake manufacturer promised that this new machine would repeat in microns, but for all your troubles, research, and due diligence, you’re still having the same issues that you’ve always had: inconsistent bend angles and part dimensions. Your operators struggle as they experience part-to-part variations, and your expected production goals are still just a pipe dream. You’re now second-guessing your decision to purchase all that new equipment. These modern machines will do what the brochures say they do, and the precision-ground tooling is so precise that you’re not experiencing a single height or tool-center issue. They easily hold the TX and TY axes. So why are you still having problems? We could point to various reasons, but the biggest reason comes down to a single word: tolerance. Every day your operators know to keep the bend angles and dimensions within the tolerances found in the title block on the print. But have you ever considered that the material you’re working with also has tolerances? And they involve more than just thickness variation. Sheet meta...