Content tagged with "check"
Results: 16
Article
June 8, 2004
Safeguarding machines with an ergonomic spin
Figure 1 While the NSC publications provide generous guidance, two aspects they do not address fully are the application and implication of ergonomics and human factors in the design of machine safeguards. The National Safety Council (NSC) published the fifth edition of the Power... Read more...
Article
June 8, 2004
Plasma pleases plenty
In case you missed it, check out this excerpt from the article "National research programs explore plate welding for shipbuilding" in the March 2004 issue of The FABRICATOR®: One project objective is to introduce laser cutting technology—which is already being used to cut sheet... Read more...
Article
March 11, 2004
Gear up for welding
I'm sitting here at this computer realizing how much I hate sitting here at this computer. I'm just not a sit-in-a-chair type of guy. I tried it once between jobs. I interviewed for an inside sales position for a company that sold welding supplies. I'll be danged if they didn't hire me,... Read more...
Article
March 11, 2004
Implementing open-book management
Editor's Note: This article is adapted from Larry Dunville's workshop presented at the STAMPING Journal® Forum: Strategies for Stamping Success, Feb. 5-7, 2003, Orlando, Fla. U.S. manufacturing is experiencing the most significant threats in its history. Since World War II, U.S.... Read more...
Article
August 14, 2003
Virtual tryout
In this era of global warp speed and virtual reality, calculating the deep draws of progressive dies or the springback of metal is performed by simulation software instead of the earlier trial-and-error method. These software programs essentially replace the artistic methods of diemaking... Read more...
Article
July 24, 2003
Taking the heat, keeping the current
A DaimlerChrysler powertrain control module cover/heat sink assembly needed to be thermally conductive yet electrically isolated. The populated circuit board—one with all components in place—had to be bonded to the heat sink and postcured in a vacuum laminating press. The... Read more...
Article
July 24, 2003
Maximizing a coil fed press
Modern Coil-fed Presses Stamping processes revolve around two basic styles of tooling, transfer and progressive dies. They both require feed-to-length systems but differ in many key areas. Blanking processes could be added but are progressive in nature. Transfer tooling requires material to be... Read more...
Article
July 10, 2003
Six dangerous misconceptions about crane safety
Nearly every product today has a warning label. In fact, many products have multiple warning labels, lights, and bells. We even have warnings telling us our coffee is hot! It's little wonder, then, that many of us suffer from warning overload and just ignore the warnings. Unfortunately,... Read more...
Article
July 10, 2003
Do you use checking jigs and fixtures?
The effect that checking fixtures have on your operating bottom line is so important that they should be given a much higher priority than most tube fabricators give them. The cost of quality checking fixtures should be included in every bid when quoting jobs. In fact, costs incurred... Read more...
Article
June 26, 2003
The Bold in Arches
Texans will remind you that things are bigger in Texas, and the Dallas Convention Center is just another example, as this computer drawing shows. Two 860-ton roof truss assemblies, fabricated from large-diameter pipe, make it possible for Dallas to boast that it currently has the largest... Read more...
Article
June 12, 2003
Your best safety resource
The committee is made up of busy people—presidents, CEOs, vice presidents, directors, managers, and engineers. They come from businesses located in several states—from New York to the Deep South. They share the common struggle of helping their businesses weather the current economy,... Read more...
Article
May 29, 2003
Don't be a hot dog with heating heads
Welders use heating heads to preheat steels before welding, maintain heat between welds, heat treat after welding, and heat before straightening or bending. Heating heads can be safe every time they're lit when you use them safely. However, heating attachments probably are the most dangerous... Read more...
Article
May 29, 2003
Roll form tooling tryout and troubleshooting
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. Such an approach comprises five steps: Designing the roll tooling... Read more...
Article
May 29, 2003
Spinning your wheels?
Grinding wheels, rocks, stones—what's the difference? Grinding wheels used in welding and fabrication are strong, tough tools, but many in the industry have called them "rocks" or "stones," implying that they're unbreakable. This myth, or misconception, has led people to become... Read more...
Article
May 15, 2003
Solving the mysteries of the fin pass—Part 2
First, some ground rules (assumptions) for the arrangement before we discuss some possible reasons for poor-quality seam welding and their solutions:
1. You are working with a new set of rolls and spacers. We assume that the rolls are manufactured correctly. This eliminates from the equation... Read more...
Article
May 15, 2003
Reviving the past
When he looked at the outside of his building, Bellingham, Wash., YMCA Director Dave Harding realized he faced a challenge. The original Bellingham, Wash., YMCA building. The YMCA's main downtown facility was located in an early-1900s, four-story building. In recent years the interior... Read more...
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