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Articles tagged with "grain"

Results: 11

	Choosing the right coated abrasive for plate finishing applications: A look at grain properties By: Mark Boudreau and Dave Jacoby, Contributing Writers Most plate fabricating companies need to select a coated abrasive to finish their parts. This selection process can be intimidating, as well as confusing, because so many types of coated abrasives are available. Publish date: January 29, 2004 Tech cell: Finishing
	The structure of metal By: Bob Capudean, Contributing Writer Let's start with the obvious: Molten metals have no particular structure. The atoms that make up that metal are just whipping around helter-skelter—at a high rate of speed—with no real orderly, defined pattern. Publish date: April 24, 2003 Tech cell: Metals/Materials
	Combating plate corrosion: Improving corrosion resistance through welding, fabrication methods By: Hira Ahluwalia, Ph.D., Contributing Writer Publish date: October 9, 2003 Tech cell: Metals/Materials
	Making steels stronger By: Bob Capudean, Contributing Writer When it comes to modifying a steel's strength and hardness, it's important to not confuse hardness with hardenability and remember that hardenability characteristics are important because they help identify how much a specific steel will harden during welding. Publish date: October 9, 2003 Tech cell: Metals/Materials
	One system does not fit all: Ventilation equipment becomes more specific to improve the welding environment By: Stephanie Vaughan, Contributing Writer Ventilation systems come in a variety of types for different types of welding processes and varying fabrication facility setups. The emphasis on proper application of these systems and best use of the components used in them comes from an increased interest in cleaner air for the welder. Publish date: January 13, 2004 Tech cell: Safety
	Know your bending basics—Part 1 By: Art Hedrick, Contributing Writer Knowing how metal bends and what factors come into play during bending -- especially wipe bending—can make a positive difference in your stamping operation. Publish date: May 15, 2001 Tech cell: Tool and Die
	Die designs for wide bends: Bending more than 90 degrees can be fun! By: Chester J. Punicki, Contributing Writer If you're a die designer, a standard precision progressive die can present countless challenges for you. Some of these dies have to produce thin slots, small holes, or tricky coins. Publish date: March 13, 2003 Tech cell: Tool and Die
	Part nesting and die design tips for reducing and utilizing scrap in stamping operations By: Art Hedrick, Contributing Writer You might be able to gain a competitive edge by learning how to reduce the amount of engineered scrap, or that material that was inteded to be scrap rather than scrap created because of defective piece parts. Publish date: November 15, 2001 Tech cell: Tool and Die
	Making the most of the daily grind: How to choose and use abrasives for welding and fabricating applications By: Jeff Kompare, Contributing Writer The article divides grinding equipment into three application categories: welding/heavy metal removal; metal fabrication and construction; and light metal removal, finishing, and sharpening. It also discusses grits and grains and operator safety. Publish date: November 29, 2001 Tech cell: Consumables
	Selecting the right abrasives for your operation By: Richard Lawson, Contributing Writer When it comes to weld preparation, choosing the right abrasive wheel for your grinder can make your job easier. Just grabbing your grinder and cleaning up the weld area can result in poorly prepared joints, cross-contaminated welds, and more wear and tear on the tool and the operator. Publish date: August 14, 2003 Tech cell: Cutting and Weld Prep
	Design tips for sheet metal: Bend relief, small holes, hole distortion near bends, and minimum flange widths By: Gerald Davis, Contributing Writer The article discusses making small holes and when to use a punch or laser cutter, inside radius measurements and how they differ depending on whether you are coining or air bending on a press brake, and adding bend relief to prevent tearing material. Publish date: October 25, 2001 Tech cell: Bending