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The life and times of plasma cutting

November 6, 2007

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Plasma cutting has become a process of choice for many because of its cost-effectiveness. However, this wasn't the case when the technology was introduced because of short consumable life. Technological innovations over the years, however, helped to change that.

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GTAW welder

The whats, whys, and whens of GTAW

November 6, 2007

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More difficult to learn than some welding processes, gas tungsten arc welding (GTAW) can be used to weld a greater range of materials than most other processes. This article explains GTAW, examines its advantages and disadvantages, describes appropriate and inappropriate applications, and discusses how important cleanliness is in GTAW

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Hydroformed tubular part

Forming a new approach

November 6, 2007

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Attendees of the fifth Hydroforming Conference and Exhibition, organized by the Tube & Pipe Association, International, and the Society of Manufacturing Engineers, learned that hydroforming technology is not dead yet.

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Waterjet Cutting

Increasing waterjet cutting profitability

November 6, 2007

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Last year an estimated 1,500 waterjets were sold worldwide, almost 800 of those in North America. As more waterjets are purchased, veteran and new waterjet owners must look for ways to increase profitability and remain competitive.

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Lubricant Waste

Reducing lubricant waste

November 6, 2007

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The best strategy for waste reduction is to reduce waste generation. Stampers have several strategies available, such as switching to metalworking fluids formulated for long life and instituting a fluid management and maintenance program.

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Structural Steel

6 structural steel lessons not found in books

November 6, 2007

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Unfortunately, the proper structural steel education is not taking place before young men and women hit the shop floor. Trade and welding schools give you the basics about fabricating, but you learn a lot more on the job. To help that information exchange, an old-school structural steel fabricator shares six thoughts.

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Saw blade closeup

Making the most of your saw blade

November 6, 2007

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Recognizing heat and vibration in sawing applications is easy. The tough part is finding out why they are happening. By becoming familiar with blade speed and feed rates, blade selection, and blade break-in, fabricators will find that the saw blade is productive for a longer period of time.

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Compression deformation diagram

Piercing, cutting aluminum sans slivers

November 6, 2007

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Slivers are the result of the aluminum interfacing with the cutting sections or punches. To reduce the production of slivers the severity of friction at the point where the two surfaces interface must be reduced. The general rule for cutting materials is the softer the metal the smaller the cutting clearance.

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Laser welding machine

9-1-1: Weld Emergency!

November 6, 2007

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Toolweld Inc., a microwelding shop run by a father/son duo, faces the challenges of providing quality welds while working against the clock. The shop utilizes both micro-GTAW and laser equipment to meet the demands of a variety of customers.

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End Forming Stainless Steels

End forming stainless steels

November 6, 2007

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Successful end-forming requires much more than designing the tooling and selecting a machine. Fabricators have many choices in tooling (substrate, temper, and coating) and in the end forming machine design. Investigating all the options is necessary for creating an efficient setup.

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Dome height

Dissecting defects - Part II

November 6, 2007

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Editor's Note: This article is part of a three-part series. Part I categorizes defect types and discusses the factors that affect formed part quality; Part II covers various destructive and nondestructive tests for evaluating incoming material; and Part III is an introduction to process monitoring...

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Abrasive power tool suitable for heavy grinding applications

November 6, 2007

Dynabrade's line of Dynabelter air-powered, abrasive belt tools are suitable for weld grinding, blending, and finishing on metal, stainless steel, and other materials.Using abrasive belts 1/2 in. to 2...

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Nozzle spray station helps reduce spatter buildup in single spray

November 6, 2007

The Torch Wizard™ nozzle spray station from ELCo helps reduce spatter buildup on GMAW nozzles in a single spray. It coats the nozzle bore, face, and exterior simultaneously.Two models are...

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Electrode force gauge for robotic resistance welding machines introduced

November 6, 2007

Huntingdon Fusion Techniques Ltd. (HFT) has introduced the KR1000 robot cell resistance welder electrode force gauge, designed to obtain correct weld parameters for standard and critical welds in...

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Spool gun allows aluminum welding with GMAW machines

November 6, 2007

The Spoolmate 100 series spool gun from Miller Electric Mfg. Co. allows aluminum welding with Millermatic® 140, Millermatic® 140 with Auto-Set™, and Millermatic® 180 GMAW machines....

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