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Technology modernizes CMMs

July 11, 2002

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Coordinate measuring machines have progressed since their inception in the 1970s.

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Getting control of your cut-to-length line

July 11, 2002

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There are many factors to consider when selecting a drive and control system for a cut-to-length line. After choosing the line, you need to choose the drive, calculate the load inertia, calculate the feeder speed, and choose a motion controller.

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Working with your people

July 11, 2002

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If people are your most precious resource, why aren't you spending more money to train them properly?

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Un-balanced tooling diagram figure 1

Can I form a box that deep?

July 11, 2002

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There's no reason you can't form sharp, deep boxes with a press brake consistently. You just have to be familiar with what your tooling can and can't do under certain circumstances.

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Postweld chart

Welding chromium-molybdenum steel pipe for power plants

July 11, 2002

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New power plants are in high demand and several hundred can be expected to be built over the next decade. Chromium-molybdenum steel pipe (P91) is a major construction material in these plants and there are particular methods for welding it properly to insure it will hold up. Preheat and postweld heat treatment are mandatory and absolutely critical to the service life of the alloy. Induction heating is a growing method for preheating and postweld heat treating.

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Taking another look at SMAW safety

June 27, 2002

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It's never a good time to forget about safety. Take it from a guy who knows.

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Expanding Their Reach

June 27, 2002

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Expandable-casing pipe is being used by some aggressive OCTG players, causing oil companies to look at deep water and land based wells in a whole new light.

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Adding flexibility to stamping operations

June 27, 2002

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You're not afraid of automation. You already have automated several cells around high-volume parts. But now you have a new challenge: Integrate several large presses while still maintaining the flexibility to run lower-volume parts?

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Cutting Costs

June 27, 2002

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This article describes different ways to contain tube and pipe welding fabrication costs, focusing on the option of using particular weld prep equipment. It outlines specific applications in thin-wall tube and pipe fabrication and installation and pipe with a heavier wall thickness.

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Load monitor

Controlling stamping processes with statistical logic

June 27, 2002

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The output from a load monitor can be expressed using statistical language, such as X-bar, sigma, and Pareto charts, and histograms, to help stampers make decisions regarding their stamping processes.

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Committing to consistent preventative maintenance

June 27, 2002

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Why do we pay lip service to preventative maintenance but seldom practice it?

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Gold earth image

Manufacturing in Mexico

June 27, 2002

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The recession in the U.S. was also felt by Mexico, the 2nd largest trading partner of the U.S. But, through the maquiladora program, which has been in effect for 37 years, the blow was softened.

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Welder, beware

June 27, 2002

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This article provides some statistical analysis, causes for, and tips to consider regarding welding and cutting fire and explosions. It includes a sidebar about governing codes and questions to ask regarding fires and explosions when welding or cutting is suspected in an incident.

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Komatsu Mechanical Press

Evolution of the beast

June 27, 2002

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This article outlines how mechanical presses are changing to meet a new marketplace. Stampers are adding extra stations to create a more complete part and stamping harder alloys. Servo-driven mechanical presses will make traditional flywheel presses obsolete because they use less energy and can be adjusted midstroke. Technological advances include real-time press monitoring, automatic die changes, and computerized troubleshooting.

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Electrode wear in air, oxygen plasma

June 27, 2002

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A trained plasma technician can tell a lot about the health of a plasma system if he learns how to inspect the electrode, understands normal wear patterns, and knows how to spot signs of trouble. This article shows the difference between good and bad wear in air and oxygen plasma systems.

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