In Part I, we learned how the 20% rule—stating that an air-bent radius forms as a percentage of the die opening—works well ... We’re reviewing all these factors because they affect how metal bends on ...

Editor's Note: Air bending long on the press brake, Part II. Do you air form parts in your shop? If so, how much do you know about the 20% rule? It’s a fundamental principle that guides the behaviors ...

Additional symptoms of a faulty idle air control system include poor fuel mileage, OBD trouble code P0505, and the illumination of the check engine light. The idle air bypass system consists of an ...