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Articles tagged with "nitrogen"

Results: 10

	Using plasma arc cutting to clean-cut stainless steel sheet and plate: Variables to consider By: Stephen St. Hilaire, Contributing Writer To clean-cut stainless steel sheet and plate, fabricators first must choose the right CNC cutting equipment and then set the correct process-related variables. Precise machine motion controls, torch-to-material distance control, and the correct plasma and assist gases all are crucial to producing weld-ready plasma-cut edges on all stainless steel thicknesses. Publish date: May 30, 2001 Tech cell: Plasma Cutting
	Don't rule out plasma for cutting aluminum: Clearing up the misconceptions By: Michael Bishop, Contributing Writer In any discussion about how to cut metal, plasma cutting is right up there with laser and waterjet. The technology gets a bad rap, though, when the discussion turns to cutting aluminum. There are five preconceptions that many fabricators have about turning to plasma to cut aluminum. But according to three experts, new plasma cutting systems produce good results on aluminum. Publish date: January 27, 2009 Tech cell: Plasma Cutting
	Laser cutting for the first time: M&L Industries finally made the investment, but only after sizing up its metal cutting needs By: Dan Davis, Editor-in-Chief M&L Industries found a laser cutting machine for the right price and at the right size. After a year of laser cutting and bringing in new business, it looks like the right choice. Publish date: December 15, 2008 Tech cell: Waterjet Cutting
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	Great welds need the right gas By: Bill Giese, Contributing Writer 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. Publish date: August 22, 2007 Tech cell: Arc Welding
	A shielding gas primer for GTAW: Gas selection and optimization By: W.F. Garth Stapon With so many blends of shielding gas available, it can be a difficult task to determine which gas or gas blend best suits a particular GTAW application. To simplify that task, you must first understand the distinct properties that each gas or gas mixture brings to the table and how best to optimize the mixture once it's been determined. Publish date: January 27, 2009 Tech cell: Consumables
	Combining 2-D and 3-D laser applications: Multiprocessing requires gas systems up to the challenge By: Richard Green Laser equipment specialists claim that an operator now can change the head for cutting up to 3/4-inch mild steel to welding 3-D parts in less than 15 minutes. So the laser cutting/welding equipment has made a technological leap to support the job shops looking to expand their capabilities. But how have the gas systems evolved to support these advanced capabilities? Publish date: October 10, 2006 Tech cell: Laser Welding
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	Achieving efficiency with occasional high-pressure, high-flow nitrogen use: The economics of choosing the right mode for your laser By: Richard Green Several modes of nitrogen assist gas supply exist, but with choice comes the potential of saddling your business with overhead costs that make it difficult to compete. The best approach is to map out a growth strategy, using each option's performance and value, that coincides with monthly nitrogen usage. Publish date: October 9, 2007 Tech cell: Laser Cutting
	A breath of fresh air Laser cutting technique offers a new alternative: Laser cutting technique offers a new alternative By: James Rogowski and Mickey Lawson One of the recent developments in laser cutting is the use of compressed air as a laser cutting assist gas. The process is not brand-new, but the benefits of the process are making it a growing trend. Publish date: August 8, 2006 Tech cell: Laser Cutting