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Great welds need the right gas

August 22, 2007

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Using an inappropriate gas mixture and consumables for a particular GMAW application can cause porosity and excessive spatter, factors that diminish weld quality. Which gases work best with which materials? Why is nozzle selection important? This article addresses these and other questions about GMAW gas and consumables.

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HRB spot steel prices turning up?

August 16, 2007

SteelBenchmarker™reported that the U.S. hot-rolled band (HRB) spot price for Aug. 13 fell 1.6 percent to $560 per metric ton, FOB the mill for the eighth consecutive time. The world export HRB...

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Plymouth Tube acquires Trent Tube

August 14, 2007

Plymouth Tube Co., Warrenville, Ill., has announced that an agreement has been achieved for the acquisition of Trent Tube from Crucible Materials Corp. effective August 11, 2007. The purchase...

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Pressure pot

Jet cutting accessories

August 8, 2007

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The right accessories can help you make the most of your waterjet cutting system and prolong system life. Among the accessories discussed in this article are garnet feeders, removers, and recyclers; abrasive agitators; taper management tools; optional nozzles; piercing accessories; standoff controls; water treatment solutions; and material handling and support options.

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Weld Schematic

Mode of least resistance

August 8, 2007

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With the advent of transistorized controls in resistance welding, power supplies are available in which feedback can be used to control current, voltage, or power delivered. The use and benefits of these control modes are not well understood, leading to underutilization of the technology. It is important to understand the fundamentals of the control modes as applicable to DC and inverter power supplies and the special situations that you might encounter in their application.

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Punches

12 ways to boost punch life

August 8, 2007

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High-strength, low-alloy (HSLA) steels require new ways of thinking about extending punch life. At the same time, there are many tried- and-true techniques that still work.

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5 ways to leaner die handling

August 8, 2007

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Using conventional rack and shelving systems to store and retrieve dies is inefficient and can cause damage to dies. Five critical areas of concern are space utilization, worker productivity, potential for die damage, ergonomics and cost justification. Shops can reach new lean levels by improvements in these areas.

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Wave forms diagram

Gaining control of resistance welding

August 8, 2007

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By providing time-based waveform data on current, voltage, resistance, power, force, and displacement—as well as peak and RMS values—external weld monitors are able to provide the necessary data that can be used to understand, optimize, and benchmark the resistance welding process and verify accompanying equipment

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3 ways to get the most from your laser operation

August 8, 2007

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The first rule of any technology used in a business is that automation applied to an efficient operation will magnify the efficiency.—Bill Gates, co-founder of Microsoft Corp.To say Mr. Gates lived his conviction successfully would be a vast understatement. To say following his path would be...

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FCAW

8 FAQs about orbital FCAW

August 8, 2007

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Mechanized pipe GTAW was first introduced about 50 years ago for nuclear power plants, and then for steam-generation components and process piping. Orbital FCAW was developed to overcome the limitations of orbital GTAW for large-diameter, heavy-wall pipe. With orbital FCAW, deposition rates of 8 lbs./hr. are achievable. Just as a power saw is a tool for a carpenter, orbital welding systems are a productivity tool for the welder that empower him or her to weld faster and more accurately.

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Ridin' the storm out Part I

August 8, 2007

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While other automotive suppliers are struggling or going under, Tier II supplier of ride control components Tennessee Stampings established a lean program that merited a regional manufacturs' award and helped them grow 23 percent per year.

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Springback diagram

Die Basics 101: Part XV

August 8, 2007

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Part II of this series presented a basic overview of metal forming operations, such as bending, flanging, drawing, ironing, coining, curling, hemming, and embossing. This and future installments discuss these operations in more detail. We will look at factors controlling the success of each...

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Blanking developments - Part II

August 8, 2007

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Fineblanking in various forms is increasingly becoming accepted by the automotive industry for producing sheet metal components with smooth edges that don't require additional finishing operations.

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LS Industries Cylinder Shot Blaster

Cleaning cylinders internally and externally

August 8, 2007

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Whether you are planning a full scale cylinder testing operation or just want to keep your cylinders looking clean and new, the Cylblast shot blasters from LS Industries are the answer.Other methods of cleaning cylinders are more expensive, time consuming and less efficient than steel shot...

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Markal industrial markers

Choose the right industrial marker for your next job

August 8, 2007

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On any welding job, the right tools are essential for precision, efficiency and safety, and selecting the right marking tool is a key decision that is sometimes overlooked.LA-CO®/Markal® provides the welding trade with durable options for high performance industrial markers, ensuring the...

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