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Plasma cutting components

Improving plasma cut quality

September 11, 2007

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By optimizing the performance of each of the plasma cutting system's components, a fabricator can quickly and consistently create high quality parts. The plasma power supply, torch, and lead assembly comprise a plasma cutting system. Robust cutting applications require a mechanized system with an integrated computer numerical control (CNC) and a three-axis configuration with the plasma torch and a torch height control.

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Arc welding shielding gases

Choosing shielding gases for arc welding

September 11, 2007

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Proper selection of the shielding gas for gas metal arc welding (GMAW), flux-cored arc welding (FCAW), and gas tungsten arc welding (GTAW) processes can dramatically improve speed, quality, and deposition rate of a given weldment.

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Toro turf maintenance equipment

Toro trims waste with press brake tooling upgrade

September 11, 2007

Outdoor equipment manufacturer Toro Co. regularly sends out bids for parts, forcing its own manufacturing plants to compete with outside vendors. Toro's manufacturing plants face the same competitive pressures as any other manufacturer, so its plant in Shakopee, Minn., analyzed its forming operations and decided to replace its press brakes and upgrade its tooling.

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Herr-Voss Stamco parent company sold

September 10, 2007

KPS Capital Partners LP announced today that it has sold its portfolio company, Genesis Worldwide II Inc., which it jointly owned with Pegasus Partners II L.P., to HVS Acquisition Inc., an affiliate...

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Special delivery from Mexico

September 6, 2007

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The world of materials delivery changed forever on Sept 6. Just mark it down as one more big change in the name of globalization.The big rigs now are moving product from Mexico into the U.S., beyond the 25-mile buffer zone that acted as a barrier between Mexican truckers and the rest of the U.S....

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U.S. groups polling members on Chinese HSS problems

September 6, 2007

Steel Business Briefing has reported that two groups that represent different segments of the steel market now are polling their members in an effort to gauge concern and problems that have arisen...

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HRB spot steel prices continue upturn

August 30, 2007

SteelBenchmarker™reported that the U.S. hot-rolled band (HRB) spot price for Aug. 27 rose 0.9 percent to $565 per metric ton, FOB the mill, after falling eight consecutive times. The world...

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Report shows manufacturing hiring weakening

August 28, 2007

The September SHRM/Rutgers Leading Indicator of National Employment® (LINE) survey, released Aug. 28, indicates that U.S. manufacturing hiring will be much weaker in September 2007 than it was in...

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Nucor acquires Magnatrax

August 27, 2007

Nucor Corp. has announced that it has completed the acquisition of Magnatrax Corp. via the merger of Magnatrax with a wholly owned subsidiary of Nucor, for a cash purchase price of approximately $280...

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Cargill, Robinson Steel form joint venture

August 23, 2007

Cargill, a global trader, processor, and distributor of iron and steel, has agreed to enter into a joint venture with Robinson Steel to produce and distribute RPS® sheet and plate under license....

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Bernard Welder Image

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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