???? Hot Steel Bar Bending On A Rotary Forming Machine - Video

???? Hot Steel Bar Bending On A Rotary Forming Machine

Hot bending is a forming method where steel bars are heated until they glow and then shaped while the metal is soft. In the video a worker feeds a glowing orange bar into a rotary forming machine; the rotating die grips one end and wraps the bar around its curved form in a single smooth turn. The finished curved piece is then pushed out onto the table and the next hot bar is fed in right away, so the machine keeps a fast steady rhythm. Steam rises where the hot steel touches the wet machine surfaces. After forming, parts like these are usually left to cool, then trimmed, drilled or heat treated depending on what they will become. Bending the steel hot takes much less force than cold bending, avoids cracks, and lets a small team turn out many identical curved parts in a short time.

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