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Content tagged with "pool"

Results: 18

Article

June 8, 2004
Selecting a shielding gas for joining stainless steel The use of stainless steel has grown significantly over the past decade in North America. As its use has grown, so has the number of different consumables required to join it. Because stainless steels are used in applications that are different from carbon steels, it follows that their... Read more...

Article

March 11, 2004
Low-tech system mechanizes pipe welding: Backing device allows GMAW on open root A backing system is positioned inside a pipe and copper rings contain the weld pool. A backing device is one such type of mechanized system. Backing devices facilitate pipe alignment, proper joint gap settings, and installation of purging equipment. Furthermore, the use of backing... Read more...

Article

March 11, 2004
Flying high with orbital welding The first machines developed were large, upright, stationary systems that could be used only for workshop applications. These systems also had to make several rotations to complete a joint because only single-level power supplies were available. To make consistent welds, they had to make... 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

October 23, 2003
Using a gel-type tube lube As one manufacturer of automotive exhaust assemblies recently discovered, selecting the most appropriate lubricant for a tube bending operation can have a dramatic impact on part quality, workplace cleanliness, and economic efficiency. Although the liquid lubricant it was using was reliable and... Read more...

Article

October 9, 2003
Combating plate corrosion According to a recent study sponsored by the U.S. Federal Highway Administration (FHWA)1, with support from NACE International—The Corrosion Society, corrosion-related direct costs such as prevention methods and infrastructure repair and replacement make up 3.1 percent of the gross... Read more...

Article

September 25, 2003
Hydraulic presses make their mark Just like hydraulics technology itself, the market for presses based on it is fluid and dynamic. And for the first time in a while, the tide may be turning in favor of its practitioners. As many manufacturers report prosperity and strong prospects for it in the near future, the hydraulic... Read more...

Article

July 24, 2003
Which wire do you require? Many fabricators overlook the efficiencies they can gain by changing a wire or process. In fact, when you ask fabricators why they're using a particular electrode, some respond with "That's the way it's always been done here," even though another way might yield significant improvement.... Read more...

Article

May 29, 2003
Defibrillators—Should you have one in your workplace? Photo courtesy of American Heart Science . In December 2001 the Occupational Safety and Health Administration (OSHA) released a statement encouraging employers to consider making automated external defibrillators (AEDs) available in their workplaces. This announcement followed the... Read more...

Article

October 11, 2001
Remote GTAW of spent fuel canisters: How this process reduces operator exposure to radiation Among many tasks that Nuclear Utilities perform is to ensure that radiation workers are exposed to the lowest possible amount of radiation. The industry has to follow strict exposure limits, and all nuclear energy workers must ensure the radiation exposure is as low as reasonably achievable... Read more...

Article

August 16, 2001
GMAW vs. FCAW for beginners: Choose the best process for your small operation When you prepare to buy your first wire-feed welding machine, you don't want to waste your money on a toy that goes out with the trash in a few weeks. You probably want to use 115-V input for portability, but might want to step up to a 230-V-input machine to weld thicker material. After... Read more...

Article

July 12, 2001
Laser welding of stainless pressure tubes The vast majority of welded stainless steel pressure tubing is produced with the gas tungsten arc welding (GTAW) process. This process often is referred to as tungsten inert gas (TIG) welding. However, with the recent advent of reliable, high-power laser power sources, the laser beam... Read more...

Article

June 18, 2001
Big steel on the ropes The story of the U.S. steel industry as of late reads a lot like the book of Job, whose misfortunes at the hands of the devil made his name synonymous with pain and suffering. Indeed, Chapter 11 might be an appropriate place to start reading, because that's where many of Big Steel's main... Read more...

Article

February 19, 2001
Automating your end forming operation: How to maximize efficiency in the shop Global competition is driving companies to continually evaluate all phases of their manufacturing to locate potential improvements. Automating new or existing equipment many times is a focus for manufacturers that want to continue growing. Autoloading systems that can... Read more...

Article

February 19, 2001
Welding aluminum tailored blanks with Nd:YAG lasers for automotive applications The automotive industry is continually striving to improve product performance and fuel efficiency by reducing vehicle weights. The recent drive toward the use of aluminum-based structures in this industry has led to the development of aluminum space frame structures (assembled from cast... Read more...

Article

February 19, 2001
Joining aluminum with GTAW: Advice for the novice Aluminum: beautiful, lightweight, strong, versatile—and a real challenge to weld, especially for beginners. This article describes some of the new gas tungsten arc welding (GTAW) equipment available and its benefits, accessories required, points to consider before welding, and the... Read more...

Article

February 19, 2001
The fundamentals of gas tungsten arc welding: Preparation, consumables, and equipment necessary for the process Gas tungsten arc welding (GTAW) is an electric arc welding process that produces an arc between a nonconsumable electrode and the work to be welded. The weld is shielded from the atmosphere by a shielding gas that forms an envelope around the weld area (see Figure 1 ). Figure 1: The... Read more...

Article

February 19, 2001
Advantages of plasma welding: Often-overlooked PAW offers speed and affordability Object Plasma arc welding (PAW) often is overlooked when a fusion welding process must be selected for high-integrity applications such as those found in the medical, electronics, aerospace, and automotive industries. This process has been overlooked because it is more complex and requires... Read more...

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