Tube and pipe production related articles

There are 74 articles related to tube and pipe production.

Buy it by the pound, sell it by the foot: Process optimization can help tube, pipe producers cut costs one foot at a time 

If you’re a tube or pipe producer, you’re probably under constant pressure to cut costs. And you probably know that you can reduce your raw material costs by reducing the coil width, within reason, and the change will have little noticeable impact on the final product’s quality. However, this doesn’...
By: Jeff Shelton - www.thefabricator.com, 4/15/08
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Using FEM to compare tube forming processes: Analyzing residual strains, stresses 

Finite element analysis (FEA) software developed specifically for roll forming can help tube producers determine the best forming process for tube (such as single-radius forming, edge forming, or partial-step forming). It also can help tube producers find forming problem areas and eliminate them.
By: Budi Francisco - www.thefabricator.com, 1/15/08
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Working with stainless on a budget: Surcharge flood sends some OEMs to high ground 

The high cost of stainless steel—especially the spikes caused by nickel surcharges—has caused many tube manufacturers’ customers to look for alternative alloys. What can tube producers expect after switching from a 300-series stainless to a less expensive alloy? It depends on the new alloy and the p...
By: Eric Lundin, Editor, TPJ-The Tube & Pipe Journal® - www.thefabricator.com, 12/11/07
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Reducing conversion cost in a copper tube mill: Lean initiatives, measurable results 

Sorting through the myriad quality programs and manufacturing trends—total quality management, Six Sigma, lean manufacturing—can be a daunting challenge. Knowing which strategies to use and how to use them can deliver big results in a copper tube production facility.
By: David Liddle - www.thefabricator.com, 9/11/07
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Roll forming high-strength materials: Higher strength, more springback, more forming challenges 

The use of high-strength materials is growing, and roll forming engineers and tooling designers who want to form this material successfully need to arm themselves with knowledge about these materials, their capabilities, and the limitations. Knowledge gained from press brake bending operations is us...
By: Baicheng Wen - www.thefabricator.com, 4/10/07
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Tube drawing principles: Understanding processes, parameters key to quality 

Five tube drawing methods are sinking, rod drawing, floating plug drawing, tethered plug drawing, and fixed plug drawing. Choosing the right method or combination of methods for a particular application requires understanding the characteristics of each. Tube producers also have a choice of ...
By: Laurence Shaheen - www.thefabricator.com, 3/13/07
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Is your cold pilger mill maintenance on schedule?: Analyzing the need for routine inspections and alignments 5 Star Article 

Glen Stapleton relies on his experience in troubleshooting for more than 30 years to discuss the most pressing pilger mill maintenance issues—causes, cures, and tips to prevent breakdowns and get the machines up and running again when they do fail.
By: Glen Stapleton - www.thefabricator.com, 11/7/06
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Flushing out four-letter words: rust, dirt, and wear: Part III: How to select lubricants 

Dirt, rust, and wear, cost tube producers and fabricators millions of dollars annually, and they can be the bane of tube processes. Analyzing the criteria for selecting the lubricants can help you select the best lubricant extend tool life and improve bends.
By: Mike Pelham - www.thefabricator.com, 10/10/06
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Aluminum pipe pioneer streamlines tube mill welding: Welding controls bring process under control 5 Star Article 

When Hastings Irrigation Pipe Co., a manufacturer of aluminum pipe, needed to replace its decades-old welding power supplies, it looked for units that could weld a variety of thicknesses at fast welding speeds. What it found were power supplies that allowed the company to run its mills faster and sa...
By: Eric Lundin, Editor, TPJ-The Tube & Pipe Journal® - www.thefabricator.com, 10/10/06
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Modern flying shear tube cutoff systems: Part II: Die set accelerators 

This article, Part II of a three-part series, discusses the different types of die set accelerators found in flying shear tube cutoff systems. It presents an overview of earlier accelerator technologies still in use today —cam link, assisted lift target, and air/oil units. It also discusses three co...
By: John Pavelec, Contributing Writer - www.thefabricator.com, 8/8/06
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Opening the gate to efficiency: Farm equipment-maker combines new, custom machines to boost productivity 

Since 1945 family-owned and -operated Tarter Gate has grown in staff and sales as it has changed the design of its products. To keep up with sales, continue growing the company, and absorb as many rising costs as possible — particularly in steel and fuel prices — the company uses custom machines and...
By: Stephanie Vaughan, Contributing Writer - The FABRICATOR®, 8/8/06
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How do you measure success?: Exploring two factors, debunking one myth 

Contrary to common opinion, a high production rate is not the key to success in making tube. Attempting to low-ball the price -- while cutting corners in maintenance and upgrades -- is a poor strategy in this industry. Columnist Bud Graham provides four production scenarios that compare various rat...
By: W.B. "Bud" Graham - www.thefabricator.com, 7/11/06
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Introducing cold pilger mill technology: An overview of the equipment and the process 5 Star Article 

The cold mill pilgering process uses ring dies and a tapered mandrel to reduce tube cross sections by up to 90 percent. Because the process relies on large number of small forming steps, the result is tube or pipe that has nearly homogenous material characteristics. It is suitable for every metal.
By: Oliver Strehlau - www.thefabricator.com, 7/11/06
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Envelope, please!: Announcing the winner of the caption contest 

Bud Graham revisits his January/February column on problems that plague tube mills (or nearly any manufacturing company, for that matter) and shares some reader feedback. Also, he provides the runners-up and winner of a caption contest for a photo that also appeared in the January/February issue.
By: W.B. “Bud” Graham - The FABRICATOR®, 6/13/06
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The regrind process for tube mill tooling: Part II: Machining, inspection, and shipping 

Although most tube and pipe producers don't get too involved in the regrind process, it is crucial—reconditioning roll tooling can extend its useful life by 15 or 20 times. The regrind process reduces the producer's overall out-of-pocket tooling expenses, while helping to ensure the tooling continue...
By: Chris Miller - www.thefabricator.com, 6/13/06
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Troubleshooting Guide for Cleaners 

Rust, wear, and dirt cost tube fabricators and producers millions of dollars annually, and they can be the bane of tube processes. Analyzing the criteria for selecting the lubricant, cleaner, and rust preventative can help provide maximum protection.
www.thefabricator.com, 5/15/06
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The regrind process for tube mill tooling: Part I: Inspection and evaluation 

Although most tube and pipe producers don't get too involved in the regrind process, it is crucial—reconditioning roll tooling can extend its useful life by 15 or 20 times. The regrind process reduces the producer's overall out-of-pocket tooling expenses, while helping to ensure the tooling continue...
By: Chris Miller - www.thefabricator.com, 4/11/06
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Modern flying shear tube cutoff systems: Part I: Mainframes 

Modern flying shear tube cutoff systems comprise state-of-the-art mainframes, tools, and controllers. This article, Part I of a three-part series, discusses the different types of mainframes, their capabilities, and construction. It describes and includes images of the construction process from star...
By: John Pavelec, Contributing Writer - www.thefabricator.com, 4/11/06
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Eliminating problems that cause flaws: Part II: Focus on the material 

Problematic material? Yes, bad coil is out there … it could be mislabeled; the yield strength could vary from one part of the coil to another; it might have damaged edges; and so on. If your mill is producing bad tube, the problem might be the material, but don’t blame the material unless yo...
By: W.B. "Bud" Graham, Contributing Writer - www.thefabricator.com, 4/11/06
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Home-court advantage 

A company bid and won a contract from a company who was previously sending its work to Mexico. The company bought a computer-controlled pipe cutting machine to automate the process and cut lead times.
By: Amanda Carlson, News Editor - The FABRICATOR®, 4/11/06
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Happy New Year!: Make 2006 better than 2005 

How can we make 2006 better than 2005? One way is to adopt a few work-related new year's resolutions. The author lists five factors that hold the industry back--factors that everyone should resolve to overcome for a successful year. By: W.B. "Bud" Graham, Contributing Writer - www.thefabricator.com, 1/10/06
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Cutting to the chase: Assessing cutting methods' suitability for inline end forming, bending 

Many tube cut-off machines have evolved to integrate end forming and bending capabilities that normally are considered secondary operations. The suitability of a cutting method to be integrated in-line with end forming and bending depends on each cutting method’s characteristics and the bending and ...
By: William Holyoak - www.thefabricator.com, 1/10/06
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Cutoff die setup for dimple-free rounds 

With the right equipment and proper setup, tube mills can produce dimple-free round tubing efficiently. A multistep process using a two shear blade makes a dimple-free cut, and an inline brush end finisher can be used to remove the ever-present clearance burrs, if needed
By: John J. Pavelec, Contributing Writer - www.thefabricator.com, 12/13/05
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Relief ahead in 2006?: The answer is a two-letter word you don't want to hear 

An overview of the pressures faced by the tube and pipe producing industry in 2005 and the author's views on how 2006 will be similar, but with a greater emphasis on energy costs, conservation, and availability. Ends with a few reminders about tube mill maintenance and efficiency.
By: W.B. “Bud” Graham, Contributing Writer - www.thefabricator.com, 12/13/05
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Scarfing tube and pipe—cut to the quick: Part III: Drawing a bead on improving ID scarf removal and disposal 

Weld bead scarfing (cutting, removing, and disposing) exposes mill operators to numerous hazards, including cuts and burns from the scarf. Part I of this article discusses the reasons scarf is removed from tube and the mill parameters that affect the scarf removal process. Part II discusses a variet...
By: W.B. - The FABRICATOR®, 10/11/05
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Tube mill cutoff die setup for square and rectangular profiles 5 Star Article 

When properly selected and utilized, single-cut die sets can produce top-quality cut ends on square and rectangular tubing. This article discusses the criteria for selecting and using the die sets to achieve the best results.
By: John J. Pavelec, Contributing Writer - www.thefabricator.com, 9/13/05
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Tube and pipe loading: : How one manufacturer made the process less hazardous 

This article discusses the hazards associated with manually loading and unloading tube and pipe. It describes one company’s solution to making the process less hazardous.
By: Bill Brady, Contributing Writer - www.thefabricator.com, 7/12/05
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Tension control in tube and pipe production: Getting it right for smooth, steady mill operation 

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By: Dr. Yunjiang Li and Harry Focht - www.thefabricator.com, 4/11/05
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Innovative die setup and maintenance methods for tube mill cutoff 

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By: John J. Pavelec, Contributing Writer - www.thefabricator.com, 4/11/05
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Measuring wall thickness in seamless tube, cast-iron pipe: Lasers meet ultrasonics 5 Star Article 

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By: Marvin Klein, Ph.D., and Tim Bodenhamer - www.thefabricator.com, 3/8/05
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Certifying the quality of your tube and pipe 

In a perfect world, quality assurance and certification of materials would not be issues. In the tube and pipe industry, however, flawless raw materials and finished goods are not givens.
By: Sharon M. Bentzley, Contributing Writer - www.thefabricator.com, 10/12/04
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MIAB welding of thick-walled pipe ends: Research finds ways to increase pipe thickness while maintaining quality 5 Star Article 

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By: Dr. Vladimir Kachinskiy and Dr. Valeriy Krivenko, Contributing Writers - www.thefabricator.com, 7/13/04
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Optimizing your hydraulic cutoff press : Squeezing more out of your tube mill 

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By: Bob Jackson, Contributing Writer - www.thefabricator.com, 6/8/04
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Troubleshooting OCTG threading: Part II: Insert type impacts finished-surface quality, tool life, chip control 

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By: Robert White, Contributing Writer - www.thefabricator.com, 5/4/04
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Keeping stainless steels stainless: How important is passivation for SS? 5 Star Article 

Stainless steels are inherently resistant to surface attack in mildly corrosive environments. However, when corrosion does occur, it can result in the formation of pits on the surface or within crevices of the part. Why does this situation develop, and what can be done to prevent catastrophic failu...
By: Carl R. Loper Jr., Ph.D., P.E., Contributing Writer - www.thefabricator.com, 5/4/04
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Managing environmental risk in tube, pipe production: What you need to know about state and federal regulations 

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By: Kim Conant, Contributing Writer - www.thefabricator.com, 1/29/04
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Pulling taffy and producing tube: Proper tension is a key to success for both processes 5 Star Article 

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By: W.B. “Bud” Graham - www.thefabricator.com, 12/11/03
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Six-axis tube laser adds new dimension to job shop 5 Star Article 

Since its founding in 1988 as a stamping job shop, the Kooima Co.’s equipment and services have evolved to meet the changing demands of its customers—always with the goal of providing them with one-stop shopping for all their primary metal fabricating needs.
The FABRICATOR®, 11/20/03
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Laser tube processing: Ten out-of-the-box techniques save money, spur innovation 5 Star Article 

The introduction of lasers to the manufacturing process has changed the fabrication of tubing. Today, many manual processes can be replaced with laser processing techniques. Using the flexibility afforded by lasers, a bundle of raw tubing can be loaded into a laser tube cutter; parts can be cut with...
By: David Gilmore, Contributing Writer - www.thefabricator.com, 11/20/03
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Plotting for success: Using edge thickness measurements to aid troubleshooting 

The butler slipped through the pantry area with the warm milk and, after adding some arsenic, served the beverage to his master. The butler had been gradually increasing the amount of arsenic over many months, so the change in the milk’s taste wasn’t noticeable. Soon the mistress and her...
By: W.B. "Bud" Graham, Contributing Writer - www.thefabricator.com, 10/23/03
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Minimizing wall thickness variation in seamless tubing 5 Star Article 

All mechanical steel tubing has some amount of wall thickness variation. Wall variation in welded tubing results from the strip manufacturing and tube welding processes. Seamless tube, which is created from a hot billet of solid steel, has wall variation that results from tooling wear, bearing and s...
By: Wynn H. Kearns, Contributing Writer - www.thefabricator.com, 8/28/03
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Measuring tube as it grows and shrinks: Using girth changes to set up a tube mill 

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By: W.B. "Bud" Graham, Contributing Writer - www.thefabricator.com, 8/28/03
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Roll form tooling tryout and troubleshooting: Taking a five-step approach 

The secret to developing successful roll tooling—whether for tube production or roll forming—and achieving maximum roll integrity is a simple but often overlooked notion: a comprehensive approach.
By: Dan Mennecke, Contributing Writer - The FABRICATOR®, 5/29/03
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Solving the mysteries of the fin pass—Part 2 

Editor's Note: This article is the second part of a two-part series about fin passes. Part I, which appeared in the March issue, discussed their location, what they do, and how they do it. Part II focuses on troubleshooting.
By: W.B. "Bud" Graham - www.thefabricator.com, 5/15/03
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Solving the mysteries of the fin pass—Part 1: Uncovering where, why and how 

The fin pass was not the first time your father gave you five bucks for your allowance. The fin passes are those forming passes that immediately follow the breakdown or initial forming stages on a tube mill. Their role is paramount in the successful final presentation of the formed tubular section t...
By: W.B. - www.thefabricator.com, 4/10/03
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Coil joining criteria for tube and pipe mills 

A coil end joiner, shear welder, end welder, coil splicer, strip welder, shear and end welder, or butt welder—whatever you call it, it performs the same simple task coil after coil: It quickly shears strip ends, butts them, and provides a smooth ductile weld so that the newly joined coil can p...
By: Steve Shaffer, Contributing Writer - www.thefabricator.com, 3/13/03
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Don't lose your bearing!: Protect the lifeblood of your tube mill 

It's Monday morning after a long holiday weekend, and the first shift is starting with a bang. The slit coil supplier is late with your delivery, the second-shift maintenance person has called in sick, the mill operator is going to be late to work, and you wish you were still at the beach with the f...
By: W.B. "Bud" Graham, Contributing Writer - www.thefabricator.com, 2/27/03
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Piping in Productivity: Construction company uses orbital welding on underground pipeline 

Using orbital welding equipment led to productivity gains in one of the nation's first fusion-welded underground pipelines.
By: Jerry Fireman, Contributing Writer - www.thefabricator.com, 11/21/02
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The process of contoured tubing manufacturing: How tubemakers are meeting demands 

This article discusses the importance of new technology in the roll forming industry, especially in welded contoured tubing. The author discusses the process of welding contoured tubing all the way through to the end product.
By: Werner Wasmer, Contributing Writer - www.thefabricator.com, 2/28/02
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Using flowformed titanium alloy seamless tubes in production: Process and material can make good combo for the future 

Lots of strength, lots of uses: Ti-6AL-4V, combined with the flowforming process can make sense for a wealth of industrial and consumer applications.
By: George Durfee, Contributing Writer - www.thefabricator.com, 2/14/02
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Tooling, the key for mill production 

This article discusses three main criteria that govern tube mill tooling—design, materials used in their construction, and alignment of tooling on the mill. Discusses advancements in design due to CAD technology; experimental use of ceramic and plastic materials for making tooling; and the use of su...
By: Robert Stroud, Contributing Writer - www.thefabricator.com, 11/29/01
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Using existing tooling for new product applications: Evaluating the tooling's capabilities and limitations 

The article outlines factors for consideration when changing material type, grade, coatings, efficient speed requirements, specialty shapes, etc. Special consideration is given to the difference in speed between the minor relief angle and the root diameter.
By: David Jenkins Jr., Contributing Writer - www.thefabricator.com, 11/29/01
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Comparing single-cut and dimple-free tube mill cutoffs: When to employ each system 

This article covers the application of single-cut and dimple-free cutoff shear technologies as they are applied to contemporary high-speed tube mills.
By: John J. Pavelec, Contributing Writer - www.thefabricator.com, 10/25/01
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Increasing tube mill welding speed: Examining technology for tube producers 5 Star Article 

This article reviews processes that were technological advances in tube welding years ago but still have a bearing on how tube producers do their jobs today.
By: Bernard Mannion, Contributing Writer - www.thefabricator.com, 10/25/01
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Mastering the tool selection process: How to minimize production costs with the proper equipment 

Need a tutorial on how to select the proper tube mill tooling for all kinds of jobs? Getting the right tools in place for a particular product can make a world of difference in the final product.
By: Baicheng Wen, Contributing Writer - www.thefabricator.com, 10/11/01
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Taking the troubles out of tube mill tooling: Preventing and solving some common problems 

This article discusses the prevention of problems associated with tube mill tooling, touching on maintaining tooling, as well as troubleshooting common problems that may arise during the tube production process.
By: Chris Miller, Contributing Writer - www.thefabricator.com, 10/11/01
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Making seamless tubing with a floating mandrel mill 5 Star Article 

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By: Ray Miller, Contributing Writer - www.thefabricator.com, 9/17/01
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Examining tube mill roll tooling, setup, and maintenance 

In today's competitive market, two of the most important considerations for high-quality production are proper roll tooling setup and mill alignment.
By: Dan Ventura, Contributing Writer - www.thefabricator.com, 9/17/01
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Boosting efficiency in solid state welders: Improving weld mechanicals can make the difference 5 Star Article 

This article, reprinted from the January/February 1999 issue of TPJ-The Tube & Pipe Journal, is based on excerpts from Thermatool Corp.'s "High Frequency Pipe & Tube Welding Manual."
By: H. Arthur Link, Contributing Writer - www.thefabricator.com, 9/4/01
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Accumulating strip before the mill: An introduction to entry end equipment 5 Star Article 

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By: Rick Costello, Contributing Writer - www.thefabricator.com, 9/4/01
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Maintaining a RF Tube and Pipe Welding Generator: How to find trouble spots 

This article separates the RF generator into seven major subassemblies and then gives tips for finding and preventing problems in each subassembly.
By: Ed Kurtz, Contributing Writer - The FABRICATOR®, 9/4/01
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Skiving strip edges for tube and pipe producing: New equipment developments address coil preparation challenges 

Edge treatment of coil strip before it enters a tube and pipe mill, called skiving, is a rapidly advancing technology. Improving the coil edge before it is welded helps increase the quality of the seam join and helps prevent rejected tube or pipe.
By: Austen B. Barnes, Contributing Writer - www.thefabricator.com, 9/4/01
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Presenting coil to a tube mill: Preparation of material for continuous operation 

Tubemakers looking to improve operations at the front of the mill should consider factors such as coil preparation before feeding it into the tube mill—end joining, removal of overthickness, burr up/down condition, and accumulation.
By: Lee Kothera, Contributing Writer - www.thefabricator.com, 9/4/01
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Solving Problems on the Tube Mill 

Tube mill operators face a variety of challenges everyday in their efforts to produce high-quality tubing in a cost effective and productive way.
By: Robert Sladky, Contributing Writer - www.thefabricator.com, 8/16/01
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Do your tubes seam good enough? Using eddy current testing to make sure 

Eddy current testing offers several features that makers of welded tube may find to their liking—in particular, high throughput speeds and sensitive flaw detection.
By: Tim Brown, Contributing Writer - www.thefabricator.com, 8/16/01
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Achieving faster, more efficient tube mill changeovers 

Tube mill changeovers involve more than just tooling. Several variables…
By: Robert Sladky, Contributing Writer - www.thefabricator.com, 7/26/01
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Inline gauge control in welded tube production: Reducing conversion losses 

Reducing scrap when converting strip to finished tube is a huge step in bettering your bottom line.
By: W.B. "Bud" Graham, Contributing Writer - www.thefabricator.com, 7/26/01
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Laser welding of stainless pressure tubes 5 Star Article 

Not all laser welded tubes are created equal. Know what to look for in the final product to ensure that you're buying quality and not just an imposter.
By: Frank Fenton, Contributing Writer - The FABRICATOR®, 7/12/01
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An evaluation of two cold pilger die designs: Making tool design recommendations based on tube transitional quality 

A number of elements contribute to the success and failure of pilgering seamless tube. An analysis of the finished product and consideration of these processes can help a shop choose the right tooling for the process.
By: Glen Stapleton, Contributing Writer - www.thefabricator.com, 5/30/01
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Exploring the welded tube making process: The basics for fabricators 5 Star Article 

This article is aimed not at tube producers, but at fabricators of tubing, to provide an overview of the process.
By: Henry Niedzwecki, Contributing Writer - The FABRICATOR®, 5/30/01
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Skelp edge preparation for manufacturing ERW pipe 5 Star Article 

Preparing the edge of a metal strip properly before it enters an electric resistance welding tube mill makes a huge difference in the quality of the final product. Make sure your prep methods match your quality requirements.
By: Lew Warren, Contributing Writer - www.thefabricator.com, 5/30/01
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Optimizing robotic laser cutting of hydroformed tubes: Meeting the challenge of closed-tube cutting 

Hydroformed and rectangular cross-section tubes have become popular for new truck and sport utility vehicle (SUV) frames, engine cradles, roof pillars, and suspension members.
By: Thomas Kugler and Gerry Hermann, Contributing Writers - www.thefabricator.com, 5/15/01
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Producing quality ASTM A249 and ASME SA 249 pressure tubes 

Details are everything when you're manufacturing stainless steel pipe to exacting specifications.
By: Frank Fenton, Contributing Writer - www.thefabricator.com, 3/26/01
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Maintaining and troubleshooting HF welders: A common-sense approach for vacuum tube and solid-state machines 5 Star Article 

The basic steps of general preventive maintenance and troubleshooting for both vacuum tube and solid-state high frequency (HF) welders should assist in keeping welders online and producing pipe or tube.
By: Ray Cagganello, Contributing Writer - www.thefabricator.com, 2/19/01
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