Tube and Pipe Fabrication

The tube and pipe fabrication technology area covers sawing (band, circular, and friction) and other cutting processes, such as abrasive, flame, laser, oxyfuel, plasma, and waterjet. It also discusses forming processes, including bending and end forming. Finally, it includes a handful of miscellaneous processes, such as trimming, beveling, finning, grooving, threading, and spinning.

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mandrel basics extractor application

Shaping profits with a mandrel extractor

September 1, 2009

Using a mandrel is helpful for maintaining a tubes profile when bending. Without a mandrel, bending forces tend to distort and flatten tubular workpieces.

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Tube cutting system with broad chucking range engineered for heavy tubes

August 11, 2009

TRUMPF's TruLaser Tube 7000 laser cutting system processes tubes inside a tunnel-like safety enclosure and then moves them forward to the brush table or ejects them to a parts container behind the...

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Benchtop miter band saw has variable electronic speed control, ergonomic grip

August 11, 2009

Dayton's benchtop dry cut miter band saw features a variable electronic speed control and ergonomic grip with a built-in start/stop switch. The saw head swivels and locks for miter cutting while the...

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GKN Aerospace adds tube bending machines for complex parts

August 11, 2009

GKN Aerospace has installed Unison all-electric, combined left- and right-hand bending machines at its wing component operation in Filton, U.K. The machines are used to fabricate highly precise,...

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To think 'in tube'

August 1, 2009

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A tube laser spurs a shop to think about design and metal fabrication in a new way.

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bending nonround tubing.jpg

Bending nonround tubing

August 1, 2009

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While bending round tube and pipe involves many variables and challenges, the difficulties in bending nonround shapes are more numerous and complicated. Among the most common shapes are square, rectangular, and oval (elliptical and flat-sided). None react to the bending force in the same way that round shapes do, so understanding how the material reacts is the first step in learning about bending nonrounds.

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FMA and TPA seek applicants for industry awards

July 23, 2009

The Fabricators & Manufacturers Association, Intl. (FMA) and the Tube & Pipe Association, Intl. (TPA) seek applicants for two industry awards.The FABRICATOR's Industry Award 2010, presented by FMA,...

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Horizontal band saw now available with hydraulic vising

July 20, 2009

Marvel Mfg. Co., Oshkosh, Wis., has announced that its Spartan Model S330 horizontal band saw now is available with hydraulic vising.The new Model S330HV features an hydraulic work holding vise in...

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Vacuum system for carbide circular saws introduced

July 20, 2009

Marvel Mfg. Co., Oshkosh, Wis., has introduced a vacuum system for use with carbide circular saws used in cutting tubing.The vacuum removes the hardened chips from the center of the tube, preventing...

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Twin post band saw designed for specialty steels

July 20, 2009

Marvel Mfg. Co., Oshkosh, Wis., has added the PA460-HD production band saw designed to cut specialty steels to its Spartan line.The twin post machine combines rigid construction, a 10-HP blade drive,...

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Band saw handles large billets, bundles

July 20, 2009

Marvel Mfg. Co., Oshkosh, Wis., has added the PA700HD production band saw with a capacity of 28 in. by 32 in. to its Spartan line. The saw is suitable for large billets and bundles.The twin post...

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marman bead.jpg

Making a 20-degree Marman bead

July 20, 2009

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Two forming methods can make a bead for an airtight seal on a metal tube: rotary (spin) forming and progressive ram forming. Each has advantages and disadvantages in bead profile, cycle time, amount of wall thinning, and so on.

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Band saw blades suitable for interrupted cutting applications

July 14, 2009

The L.S. Starrett Co. has introduced the Versatix™ MP line of multipurpose band saw blades. They feature a new tooth design that is suitable for interrupted cutting applications in structural...

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Mechanized pipe welding system requires less welder skill and effort

June 30, 2009

The Piper Bug Pipe Welding System from Bug-O Systems is a digitally controlled programmable welding travel carriage integrated with Lincoln Electric® Invertec® V350-PRO Power Source. The Piper...

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photogrammetry measurements

Focusing on bent tubing

June 29, 2009

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Measuring the bends and straight sections of a bent tube can be tricky and time-consuming, especially if the tube has a large number of bends in several directions. Photogrammetry, also known as optical measurement, uses a booth equipped with several digital cameras to make a digital image of the part, allowing fast, easy measurements.

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