Content tagged with "member"

Results: 13

Article

January 13, 2004

Hydroforming heats up Hydroforming at Higher Temperatures The majority of hydroforming knowledge is based on steel. Steel's characteristics make it a favorable choice for many products, and steel has been the dominant material in many industries, especially automotive, for decades. Lately, though, hydroformers are... Read more...

Article

December 11, 2003

Taking tubular aluminum scaffolding to new heights Photo courtesy of Fred R. Tannery Photography, Brooklyn, N.Y. Universal Builders Supply, a temporary-structures company with headquarters in Mount Vernon, N.Y., designs and constructs scaffolding, hoisting, and platforms—big ones. It was the company's proposal for a unique... Read more...

Article

November 20, 2003

The history of welding according to Marty OK, so this guy back in ancient times got into a fight with another guy. He got punched in the eye and fell backward, hitting his head on a fallen tree branch. He thought to himself, "That fist hurt, but that dang tree limb hurt worse." (This was the first time the expression "dang" was... Read more...

Article

November 6, 2003

Choosing the right oxyfuel gas and supply system Photo courtesy of Weldstar Inc. Cutting In oxyfuel cutting, an oxygen jet, not the preheat flame, performs the cutting. The oxygen jet oxidizes the material and expels the heated material from the kerf. The purpose of the preheat flame is to heat the material to the ignition... Read more...

Article

October 9, 2003

Identifying the right cutting and welding tips The tip of a welding or cutting torch is where the action is (see Figure 1 ). Welding tips usually produce positive pressure (higher than 1 pound per square inch ) and are used at equal pressures of acetylene and oxygen. These single-hole copper-alloy tips are attached to a torch handle... Read more...

Article

September 25, 2003

Choosing a GMAW machine for occasional aluminum welding I want to buy a small gas metal arc welding (GMAW) machine, preferably one that runs from 120-V input power. Most of my welding will be steel, but I would like to weld aluminum occasionally. Can these machines really weld aluminum? I've heard a lot of different opinions. Some companies claim... Read more...

Article

June 12, 2003

Stretching metal's forming limits with HSP lubricants The trend in metal stamping is to use more and more aluminum and other lightweight materials, such as advanced high strength steel (AHSS). The need for technology to help improve metal flow of these materials in deep-drawing applications also is increasing. In many cases, a stamper's original... 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

April 10, 2003

How to recognize, minimize weld smut When I weld any aluminum alloy, I see a covering, light gray to black in color, over the weld. I see it when I gas tungsten arc weld (GTAW), but it's worse when I gas metal arc weld (GMAW). What is it? Does it affect the mechanical properties of the weld? How do I get rid of it? A common... Read more...

Article

July 26, 2002

Repair Brazing: Fixing Faulty Jobs and worn-out components Brazing is a versatile process used in many industries to join materials permanently. Repair brazing is an essential part of the industry and usually is done for one of two reasons—to braze repair parts in-house before they are released to customers and to perform repairs on brazed... Read more...

Article

September 4, 2001

Robotic arc welding gets smart in real time Though robots probably are best-known for their ability to accomplish repetitive manufacturing tasks, it's no secret that, by themselves, they are unintelligent and must be told what to do. They are silent, unable to talk over problems with their controller, power sources, the robot in... Read more...

Article

April 24, 2001

Common threads in workplace safety: How different committees work to ensure the health and safety of their workers In an effort to address health and safety issues related to metal fabrication, many companies choose to form committees that research, implement, discuss, and suggest improvements for such topics. Although some may differ in their tactics, organization, and delegation of responsibilities,... Read more...

Article

February 19, 2001

Die design for flat parts: Achieving perfection in a difficult task Flatness is one of the most difficult part characteristics to achieve in a conventional stamping die. Some of the factors controlling part flatness are: 1. The severity of the steel cutting deformation. 2. The mechanical properties of the sheet material. 3. The incoming flatness of the... Read more...

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