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.
October 10, 2006 | By Mike Pelham
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.
September 12, 2006 | By Rob Dean
Fabricators that need to do end forming have many choices. Even after narrowing the process down to using a ram or segmented tooling, choices abound-the tooling can form the ID, the OD, or both; and operation can be manual or CNC. Understanding the processes and their capabilities are the keys to choosing the best one for the application.
September 12, 2006 | By Stephanie Vaughan
A good design doesn't guarantee challenge-free fabrication in the bridge industry, as one fabricator found out. Despite material availability obstacles, stringent welding requirements, and massive pipe cutting needs, Stinger Welding and the design team it worked with pulled off a winning pipe bridge design in six months.
August 8, 2006 | By Terrence Egan
Medalist Laserfab Inc., Oshkosh, Wis., is building a custom motorcycle for the Fabricators & Manufacturers Association Intl.® (FMA) Foundation's charitable auction, which will help the Foundation encourage young people to pursue careers in manufacturing. This article explains how you can view the progress of the build, donate items for the auction, and participate in the bidding.
July 11, 2006 | By Eric Lundin
Interviews with several tube-bending equipment-makers reveal that tube bending is becoming more complex every day, for a number of reasons. Manufacturers try to decrease material usage and go to stronger, difficult-to-bend materials with thinner walls; many manufactured items are smaller than ever before; and bends have to be smoother, especially in exhaust systems. Meanwhile, fabricators are split into two camps: High-volume OEM that are increasingly dependent on advanced controls and flexible workcells, and job shops that still get by on less sophisticated, manually operated equipment.
June 13, 2006 | By Mike Pelham
A tubular assembly is cleaned in an Alliance Aquamaster CD-3000 rotary-drum cleaning system with wash and heated blowoff. The drum is constructed of stainless steel and includes spiral flights and part "kicker" bars. Photo courtesy of Alliance Manufacturing Inc., Fond du Lac, Wis....
June 13, 2006 | By Eric Lundin
After years of working in fabricating and machining, Shawn McFadden struck out on his own to start a fabrication shop, which later evolved into a custom motorcycle shop. He doesn’t use the latest CNC machines with digital readouts and other state-of-the-art manufacturing equipment. He uses manually controlled machines and ingenuity.
June 13, 2006 | By William Q. Tingley III
The mechanical aspects of rotary draw tube bending haven't changed since modern tooling was developed 50 years ago. Likewise, the role of the tooling (mandrel, pressure die, bend die, and wiper die) hasn't changed. However, tube fabricators these days have many choices in regard to the tooling, especially wiper dies. Choices include material, rake angle, and whether the wiper die's feathered edge is fully machined or honed by hand.
May 9, 2006 | By Stephanie Vaughan
Fabricating and repairing pipe in the oil-rich tar sands of Alberta, Canada, is an enormous, ongoing project that requires specialized equipment to meet a variety of challenges. John Page is a consultant in Canada who has been working on several of these projects and has learned what's needed to get the jobs done.
April 11, 2006 | By Tony Granelli
Editor's note: This is the second part of a two-part article that examines tube bending defects, possible causes, and suggested remedies. Part I discusses surface defects; Part II covers other defects, such as wall thinning, ovality, buckling, and fractures. When the stress on the...
April 11, 2006 | By Amanda Carlson
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.
April 11, 2006 | By Tony Granelli
Have you ever started with what you thought was a good tube, ended with a bad bend, and wondered where you took a wrong turn? Correcting for defects requires some detective work, and an understanding of the bending process. This article examines tube defects and offers fixes.
March 7, 2006 | By Tony Granelli
Have you ever started with what you thought was a good tube, ended with a bad bend, and wondered where you took a wrong turn?
March 7, 2006 | By Joe Mashione
Innovations and new developments in rotary tube and pipe cutting, such as high-speed cutting, minimal heat generation, special holding collets, and automatic loading, trim and sorting have reduced or eliminated time required for secondary operation, improved efficiency, and reduced costs.
Although capillary action basically is the magic behind ensuring proper filler metal distribution into a joint, six basic steps also are necessary to make sure that the design and engineering of the joint helps lead to a good brazed joint.