October 9, 2003
Roll forming is a common method for producing steel tubes. It is a continuous process in which a strip is guided through several sets of rolls that form the strip into the desired shape. After the final shape is achieved, tube edges are welded together to form a closed section. After the welding operation, the tube is sized through another set of rolls to obtain the required diameter.
Here's Jim Colt telling us about a new video contest anyone with a Hypertherm product can easily enter. T-shirts for just entering and nice prizes, too.
Check it out!
From the Web: Remembering Rosie; GM invests; new jobs; subpar growth; and Uber’s economic role - by Vicki Bell
Web articles for fabricators—A tale of two Rosies; GM to invest billions; new jobs in Chattanooga; and the current and future economy.
North America's leading magazine for the metal forming and fabricating industry, delivering news, technical articles, and case histories. Print subscriptions are free to qualified persons in North America involved in metal forming and fabricating.