Folding technology makes sweeping changes: New developments in 200-year-old technologySchwenkbiegemachinen, or swing bending machines, have been in use for more than 200 years. European manufacturers began to power them with electrical or hydraulic power after World War II, when an enormous amount of sheet metal was used in the reconstruction of Europe.
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Mixed Metals Reactions: Danger in the ductworkUnder controlled conditions, aluminum and steel powders can be mixed to create a chemical reaction to produce heat for welding. If you mix these materials under uncontrolled conditions, you will want to call the fire department.
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Ensuring a plant's electrical system safety: One company's experience with infrared thermographyThis article takes a look at using infrared thermography in the plant setting to detect potential fire hazards. It discusses who can provide the service, what sorts of problems it can detect, and generally explains how the problems discovered when using this technology should be handled. It also uses an actual inspection as a basis for the discussion.
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Making the workplace safe for Spanish-speaking employeesModifying your safety program to address the needs of your Spanish-speaking employees can create a much safer work environment. Here's how one company achieved that goal.
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Six dangerous misconceptions about crane safety: Knowing the facts could save your lifeKnowing how cranes should be used, and how they should not be used, is critical to crane safety. Overload, side pull, limit switches, secondary braking devices, using the reverse direction for speed control, and daily inspections are surrounded by myth and mystery in the workplace.
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Put your money where your mouse is: How to succeed in e-businessTo decrease your chance of failure in e-business, focus on the business issues first and the technology issues second.
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Mediating commercial conflictThis article explores some of the aspects of a commercial mediation I performed some years ago. The identities of the participants and the facts of the case have been changed to preserve the participants' privacy and the confidentiality inherent in mediation cases. This case was selected because of the intense emotional feelings that surrounded what should have been a straightforward and rather simple business arrangement. So often it seems that the feelings, emotions, and egos of the participants in a conflict can mean more than the dollars or tangible value involved.
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Beating 'world' pricing: Nu-Way Industries finds the formula to take on competition from ChinaDuring the depths of the manufacturing slowdown that has cost the fabricated metal products sector nearly 300,000 jobs since 2000, Steven Southwell, president of Des Plaines, Ill.-based Nu-Way Industries Inc., faced a depressing challenge from one of his multinational OEM customers??either meet the ??total cost of acquisition? achieved in China or purchase the part from the Chinese supplier, inventory it, and incorporate it into the family of parts supplied by Nu-Way.
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Sick at Work?All employees have days at work when they don't feel well. Usually these days are intermittent and can be attributed to a cold or other illness or job-related stress.
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Changing the way they do business: Bridge, structural fabricators have to think about process choicesDealing with work loads, delivery schedules, and many other responsibilities doesn't leave managers with much time to consider factors that justify equipment improvements.
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Is your company a breeding ground for workplace violence?Workplace violence—many of us think about it only when national or local media reports an incident. Most of us probably think it happens infrequently and never could happen where we work. And it's likely that workplace violence victims thought the same thing, before it happened to them.
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Inspecting for and correcting coil reel damageWritten in a question-and-answer format, this article offers tips for inspecting and correcting damage to coil reels. Descriptions of several tests are offered, including arbor or reel runout, lost motion, final indicator, and segments straightness tests. Frequently encountered problems such as coilers that break constantly, telescoping coils, and marred material are also addressed.
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Getting it Straight: Understanding coil straightening in stamping operationsBefore coiled material can pass through a die to produce an acceptable part, it must be straightened. Coil straightening is accomplished by bending a strip of material around sets of rollers that alternately stretch and compress the upper and lower surfaces so that the material's yield point is exceeded.
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Do you use checking jigs and fixtures?: An ounce of prevention is worth a pound of cureHow do you check tube fabrications to ensure they meet quality standards? Do you ship parts without checking them and hope that the next time the phone rings it isn't a prelude to a tirade from a disgruntled customer? Or do you check finished parts only to realize that your scrap rate is too high and wish you had checked them at earlier stages of the manufacturing process?
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Taking tubular aluminum scaffolding to new heights: Taper, aesthetics, elevated design for monumental structureFor the company that broke the world record for building the tallest freestanding structure with a 320-foot scaffolding (the Statue of Liberty restoration project in 1984, see Sidebarat bottom of page)designing and constructing the scaffolding for the Washington Monument restoration project was just a natural next step.
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Al GMAW: CC or CV?For about 40 years, a great debate in welding is whether to use constant-current or constant-voltage power supplies when using gas metal arc welding on aluminum. Constant-current power supplies made sense 30 years ago and are still used in some applications today, but for most applications, constant-voltage power supplies are suitable for gas metal arc welding aluminum.
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Whale watching: A doctor's love of whales leads to a complex welding projectMetal artist James Berry constructed a large whale display by making healthy use of Gas Metal Arc Welding. Here's how he did it, and why.
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It happens 'under the hood': Chicago-area builder of water gardens becomes sculptorRick Walsh isn't your typical artisan, nor are his works typical welding pieces. But his personal evolution as both an artist and a welder illustrate the innovation and persistence of any successful welding operation.
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Reviving the past: Welding students restore ironwork to Victorian-era YMCA building |
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Washington women weld at the 'Y': Students learn by doing in their community |