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.
July 2, 2012
A fluid-carrying line usually consists of a length of tube or pipe that has a fitting that is either attached at the end of the tube by a conventional swaging method or attached to the tube by welding. A little-known process, elastomeric swaging, bulge-forms the tube or pipe ends. Its niche is in small-diameter, heavy-wall applications that carry fluid under substantial pressure.
June 13, 2012
Editor Eric Lundin visited Gordon Branch, the guitarmaker featured on the cover of the June 2011 issue of TPJ, to see what Branch had come up with in the last few months. In addition to a new model, 33 1/3 Degree, made with round tube, Branch had developed a similar model made with tube shaped like an airfoil.
April 11, 2012
Full Vision Inc., a manufacturer of components and equipment for the off-road industry, encountered a hurdle in manufacturing roll-over protection systems (ROPS) and falling-object protection structures (FOPS) for its customers. To make a ROPS or FOPS, it needed three machines or two setups on three machines. This led to too much part handling and more scrapping of parts than necessary. A combination rotary draw and push bender from Horn Machine Tool allows Full Vision to make a complete part with one setup on one machine, eliminating part handling and reducing scrap.
December 9, 2011
Large-radius bends are used in many places, such as appliance handles and automobile components. For measuring large-radius bends, fabricators have at least three options: go/no-go fixtures, entering the bent part’s measurements into a CAD program and using it to calculate the radius, and a depth gauge.
October 20, 2011
In conventional metalforming operations, the main way to reduce friction between the tooling and the workpiece is to apply a lubricant. Another supplementary method, which has been used for decades, is to introduce ultrasonic energy to the tooling, resulting in microscopic, high-frequency vibrations that reduce friction and improve surface finish.
September 9, 2011
Mobile phone systems are mainly electronic, but a fabricated tube plays a critical role—known as a waveguide, this rectangular tube connects the transmitter to the antenna. Precise bending and forming are critical to manufacturing a waveguide that provides a strong, clear signal.
July 20, 2011
It wasn't that long ago that Joe Fabiani decided to make a custom exhaust system for his Porsche. A member of the Porsche Club of America (PCA) and racing enthusiast, he soon found himself making exhaust systems for fellow PCA members. That led to founding a company, FabSpeed Motorsports Inc., which initially relied on outsourcing for nearly all of the fabricating. Fabiani recently opened a new division, FabSpeed Precision Services, and invested nearly $1 million in equipment in the new division to eliminate outsourcing.
June 24, 2011
There are a few popular ways to affix the clamp die and pressure die to a rotary draw bending machine. All aim to accomplish the same thing: provide precise vertical alignment to the mating bend die and provide rigid support for the respective die during the bending process so it resists the...
May 6, 2011
Ace Metal Crafts installs a laser tube cutting system with integrated tapping, a system that has shown its strength when producing structural tube. The machine cuts tube shapes, laser cuts holes, and performs tapping all in one setup.
April 27, 2011
A collet closer, commonly found on CNC or NC tube benders, serves an important role in the bending process. When quality is good, little attention is paid to its operation. When one or more quality parameters fall outside of acceptable limits, often the collet closer again is overlooked. A...
April 26, 2011
When James Castoro founded Custom Aluminum Products in 1960, the company’s premise was simple and concise: It produced aluminum products, mainly storm windows and storm doors. It was a good time to be in the business—the baby boom was in full swing, and the U.S. population was...