February 17, 2006
Articles
Helping people who have to make a living
Roy Lanier instructs Michael Howard as he sets up an oxyfuel cutting torch. At Pitt Community College, Greenville, N.C., welding students start with the...
Barton's Q&A
Q: I am making a replacement fire place grate of 0.75-inch thick mild steel. My problem-is that the grate keeps burning up. I am trying to determine which...
Larger welds don't always make stronger connections
Figures 1 and 2: The initial design specified a 1-in. fillet weld to join the shaft to the gear. Figure 3: A combination partial joint penetration groove...
Education matters
We are devoting a large portion of this issue of Welding Design & Fabrication to address education for welders. In a survey we did last year, you told...
Multipurpose before multipurpose was cool
In the early years of this publication, readers often wrote letters to the editors to describe a use they had found for their welding equipment other...
Grandma can weld
Your November/December article (Women who weld, p. 26) reminded me of a friend to whom I lent my oxy-acetylene torch so that he could weld his grandmother's...
Study says there is no link exists between welding and Parkinson's
A report published in a professional medical journal concludes that there is no link between welding or exposure to welding fumes and an increased risk...
Welding Design & Fabrication welding school directory
This directory is a representative selection of Welding Design & Fabrication's complete list of the technical and trade schools, high schools, community...
New Jersey explosion leads to warning on acetylene risk and precautions on handling flammable gas
The U.S. Chemical Safety and Hazard Investigation Board (www.csb.gov) issued a warning to acetylene producers saying they should take special precautions...
Voice command system turns machines on
Frank Maleno at Heat-Fab uses voice commands to control a spot welder. Necessity, we often hear, is the mother of invention. If that is true, then resourcefulness...
Welding industry wins significant court victory in Maryland case
The Maryland Court of Appeals handed down a victory to the welding industry on Jan. 6 in a ruling that said business insurance pollution exclusion clauses...
An elegant solution
Figure 1. Conventional welding sinusoidal wave with 50 percent positive and 50 percent negative polarities. Figure 2. Conventional square wave with 50...
Cutting gantry
ESAB Welding & Cutting Products (www.esabna.com) has a new gantry cutting machine that covers 8-ft. to 16-ft. widths. The CNC gantry is designed to carry...
Air-powered abrasive tools reduce vibration
Dynabrade Inc. (www.dynabrade.com) introduced portable air-powered abrasive tools that are designed to reduce tool vibration and to prevent transmission...
Power to weld and gouge
The Lincoln Electric Co. (www.lincolnelectric.com) introduced a multi-process, inverter-based welding power source with a welding power output range of...
People
Worthington Industries (www.worthingtonindustries.com) appointed George P. Stoe executive vice president and chief operating officer. Harry A. Goussetis...
