Selected articles from April/May 2013 issue published on TheFabricator.com:
Mining equipment has to take a beating more so than most other types of industrial equipment. Constant exposure to heat, dust, dirt, and debris means that mining equipment has to be built to last. When the Goodman-Hewitt branch of Joy Global looked to upgrade the machines it uses to make conveyor components for this industry, it looked for a cutoff machine that would hold tight length and squareness tolerances for this severe environment. Its search led it to Hautau Tube Cutoff Systems Inc.
Industrial Laser Solutions, Atlanta, has carved out a niche as a firm that engineers and develops its own products. During the downturn that followed the financial crisis of 2008, the company decided to take on some additional work, and it found itself in the fabrication business. This article tells the story of its first fabrication project, including some problems and practical solutions.
When Oddello Industries, a supplier of fabricated assemblies to OEMs in a variety of markets, was invited to bid on a contract for a high-end adjustable mattress foundation, it searched for a piercing machine and a cutting machine that could handle the tubular portion of the project. It combined the two machines into a single integrated unit that processes more than 15 miles of tube per day.
The welding done in a tube or pipe mill ruins the galvanic or aluminum coating intended to keep the product corrosion-free, so remetallizing the weld seam is a common practice. Remetallizing creates a large amount of metal dust, which usually is considered a big nuisance and an expensive disposal headache, but in some cases it can be recycled for a profit.
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