Articles

Filter Content

Consumables Corner: The right filler metal to weld duplex stainless steel

March 16, 2015

By: , ,

Q: We manufacture stainless steel tanks used in various industries and we aren’t always informed of service conditions and chemical exposures. We would like to reduce or minimize the number of filler metals we use to cut down on costs and prevent accidental use of the wrong filler metal. The...

Continue Reading

Arc Welding 101: How to inspect a coated weldment

March 16, 2015

By:

Q: How can I inspect/verify welds on painted product without being destructive? Eric D. A: Coatings come in many varieties on fabricated products. Galvanizing, painting, and even oxidizing a weathering steel will have a negative impact on the weld inspection process. For visual inspection, which...

Continue Reading

Metallurgy Matters: Solidification—It’s more than meets the eye

March 16, 2015

By:

There’s a lot going on as your weld puddle solidifies. Grains are trying to grow in a variety of directions, and the entire process can get quite competitive, because some grains grow faster and block the growth of others. Which grains grow faster depends on their orientation at the point where...

Continue Reading

Troubleshooting CNC plasma cutting: Part I

March 13, 2015

By:

Hole quality is one of the most frequently discussed topics in regards to CNC plasma cutting. Regardless of what type of machine you use, there are a few tips and tricks you can employ to achieve your desired hole cut quality.

Continue Reading

5 ways to get the most out of your servo press

March 13, 2015

By:

To make the best use of servo technology, you must have the best practices, best people in place with ongoing training and support. The first step in getting more out of the servo press is understanding your current processes and their pain points; know your press's capabilities; and understand the critical tolerances for the part--and how servo presses can help overcome limitations.

Continue Reading

Electric bender cuts lead times, scrap rate

March 12, 2015

By:

Former toolmaker Toolspec Manufacturing Co. has transitioned over the years to become a fabricator, and over the years acquired 14 hydraulic benders. The machines are capable but require lengthy tool changeovers, hours of programming time, and substantial expertise to maintain bend consistency. It recently invested in two all-electric machines, benders that don’t have these issues.

Continue Reading

An overview of structural tube sawing options

March 12, 2015

By:

Cutting ASTM A500 structural steel tube can be done more efficiently and cost-effectively by finding the saw that fits your shop floor production realities. It all starts with choosing either a band saw or a circular cold saw.

Continue Reading

5 things to know about robotic GMAW guns

March 11, 2015

By:

When choosing the best robotic welding system for your operation, make sure to pay special attention to the gun and consumables. One size does not fit all.

Continue Reading

The power of why

March 10, 2015

By:

A great company has a “why” culture, one that encourages employee engagement and people don’t hesitate to ask “Why?” to find the true answer, based not on guesses or rumor, but on factual evidence.

Continue Reading

How do you define good company culture anyway?

March 10, 2015

By:

How does a fabricator build a culture that adopts, embraces, and sustains lean manufacturing? An environment that encourages idea generation may be a good start.

Continue Reading

R&D Update: Heat generation in forming of AHSS

March 10, 2015

By: , ,

Advanced high-strength steel (AHSS) materials are multiphase steels that contain martensite, bainite, and/or retained austenite. The use of AHSS materials in the automotive industry is increasing every day, because these steels provide strength and satisfy functional requirements at reduced weight....

Continue Reading

Metallurgy Matters: The tricky subject of weldability

March 9, 2015

By:

Welding metallurgy is a science, but it’s far from perfect. I mention this here because my January/February column elicited a number of critical, if not scathing, e-mails concerning everything from a typo in Figure 3 to my generalizing the precise and exacting science of metallurgy. The...

Continue Reading

Metallurgy Matters: Welding’s effect on strengthened steel

March 9, 2015

By:

As I mentioned in the September/October issue, welding can severely influence strengthened or hardened metals, depending on the hardening technique used. Hardening Techniques and Welding Effects Work- or strain-hardened metals exposed to the intense localized head of welding tend to recrystallize...

Continue Reading

Metallurgy Matters: The science of welding metallurgy

March 9, 2015

By:

It’s time to narrow our focus and look at the science of welding metallurgy, a branch of metallurgy that addresses the behavior of a metal during welding and, just as important, the effects of welding on a metal’s properties. Think about what happens when you weld together two pieces of...

Continue Reading

Die Science: Step-by-step troubleshooting of stamping dies, Part I

March 6, 2015

By:

Opinions on how to troubleshoot a stamping operation are not in short supply at any production stamping or die-building shop. I’m not trying to stereotype diemakers, designers, or technicians, but their decisions often are made based on insufficient data. Statistically speaking, if I...

Continue Reading