Bending of Bars and Bar Sections

This article describes various bending methods: draw bending, compression bending, roll bending, stretch bending, and ram-and-press bending. It discusses the machines used for the bending of bars. These machines include devices and fixtures for manual bending, press brakes, conventional mechanical and hydraulic presses, horizontal bending machines, rotary benders, and bending presses. The article illustrates the tools used in bending and other bending process. It also tabulates the lubricants required for bending specific metals.