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Authors - Eric Theis
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Articles written by Eric Theis


Eric Theis

Eric Theis

Consultant

603 Maple Lane
Sewickley, PA 15143

Results: 7

Controlling flat-rolled shape

What processes do you need to make sure your coil is flat? What is flat enough? You need to determine where you are at the start, where you want to end up, and how to get there. Once you have determined which shape problem you have you can determine which type of equipment is effective in...


Straightening mistakes

As a consultant to the industry, the author has had the opportunity to discuss coil straightening and leveling with many people. In this article, he reviews 12 common misconceptions he has heard from those people.


Everything you need to know about flatteners and levelers for coil processing—Part 4

The best way to eliminate defects in coil shape is to buy prime material. What you get out of any leveler, flattener, or tension leveler is affected by the flatness of the material you put into it.


Everything you need to know about flatteners and levelers for coil processing—Part 3

Editor's Note: This article is Part III of a four-part series covering flatness and stability in cut-to-length, slitting, and tension leveling operations. This article discusses how coil processors can make metal flat so it stays that way. Part I, which appeared in the October issue of The...


Everything you need to know about flatteners and levelers for coil processing—Part 2

Editor's Note: This article is Part II of a four-part series covering flatness and stability in cut-to-length, slitting, and tension leveling operations. This article discusses flattening solutions and the anatomy of a bend. Part I, which appeared in the October issue of The FABRICATOR®,...


Everything you need to know about flatteners and levelers for coil processing—Part 1

This is article is part 1 of a four-part series covering flatness and stability in cut-to-length, slitting, and tension leveling operations. This article covers how flat rolled metal gets unflattened, including the 3 categories of defects, how defects are created at hot and cold mills, and how...


Flatness in coil processing operations: New turns in the leveling process

Most flat-rolled coil processing operations use some sort of roller leveling technology. Operations people understand what these machines can do to improve the quality of the product they produce. In the competitive marketplace, customers demand and get more that just flat sheets or slit coils.