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U.S. HRB price-drop slows; Western Europe price plummets

October 11, 2006

SteelBenchmarker™reported that the U.S. hot-rolled band (HRB) spot price fell $5 to $650 per ton, FOB the mill for the fifth decline in a row. This drop was moderate compared to the $20 per ton...

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Overcoming deformity by design

October 10, 2006

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Achieving typical goals in stamping, such as zero development and fewer labor requirements, is made easier when the progressive die strip is kept level through the entire progression. Keeping the strip level can eliminate wave problems caused by incorrect pilot/lifter use occurring in punch forming.

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Older plasma and laser cutters having performance fits?

October 10, 2006

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If you are considering retrofitting existing equipment to not just expand your plate cutting capacity, several factors need to be considered. These factors focus on a higher wattage resonator or an higher amperage plasma system, but also on the need to review the entire machine architecture.

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Multipoint-control die cushion systems for stamping complex parts - Part II

October 10, 2006

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Editor's Note: This article is Part II of a three-part series that discusses multipoint-control (MPC) die cushion systems applied to the forming of stainless steel double sinks. Part I, which appeared in the September issue, discussed novel press and design concepts using MPC systems. Part III,...

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Setting up progressive dies - Part II

October 10, 2006

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Proper feeding, scrap removal, and shut height calibration are essential for good die setup.

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Replacing rivets

October 10, 2006

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Supreme Corp. prides itself on producing general-purpose and custom vehicle bodies for its customers, which include contractors. Appearance was an issue - one that led it to replace rivets with structural adhesives in its manufacturing.

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Why lean manufacturing is no get-rich-quick program: Part I

October 10, 2006

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Unlike get-rich-quick schemes that promise to double your money in days or weeks, lean manufacturing is an ongoing improvement program that will be in place for as long as your company is in business. Learn the basics of lean in Part I of this two-part series.

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Drawing on new experiences

October 10, 2006

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In the past metal forming in the appliance industry meant giant presses with expensive tooling. Lead-times were forever, and change didn't come easy. Whirlpool Corp. in Fort Smith, Ark., is taking a new approach to metal forming, and flexible technologies are the key.

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Combining 2-D and 3-D laser applications

October 10, 2006

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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?

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Die Basics 101: Part X

October 10, 2006

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Cutting is the most severe metalworking process that takes place in a die and shouldn't be taken lightly. Cutting Basics Cutting metal requires great force. For example, it takes approximately 78,000 lbs. of pressure to cut a 10-in.-diameter blank from 0.100-in.-thick mild steel. Consequently,...

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Machine components you can fabricate with an abrasive jet

October 10, 2006

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Many machine components formerly made with conventional machining techniques now can be made easily and cost-effectively with abrasive waterjet cutting. This article discusses some of these components. It also gives examples of abrasive waterjet-produced signs and labels that can be used to enhance your products.

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The evolution of tube hydroforming

October 10, 2006

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The growth in hydroforming use has slowed as tube hydroformers, particularly in the automotive industry, are taking a step back to examine process options in an effort to determine the most efficient, cost-effective process. Some even have reverted to stamping and welding formerly hydroformed parts. This article explains how the industry got to this point and where it's headed.

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Welder health and safety — Who's responsible?

October 10, 2006

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The "Welding Wire" e-newsletter asked subscribers their opinions about who is responsible for ensuring welder health and safety. This article describes the hazards inherent in welding and contains insight from a welding instructor, a business owner, and individuals with personal knowledge of unsafe operations.

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Dry ice blast cleaning process safely removes grease, sludge, sealants, weld slag

October 10, 2006

Cold Jet offers a dry ice blasting system that the manufacturer says is an efficient and environmentally safe process for the removal of excessive grease, sludge, sealants, and weld slag from...

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Weld curtain sets up, breaks down in seconds

October 10, 2006

A&A Mfg.'s new weld curtain sets up and breaks down in seconds and can be transported to new work stations with its roller wheel.When extended, the curtain's maximum height is 72 in. and maximum width...

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