Not all threaded connections serve similar purposes.The load-carrying needs of an aerospace engine support bolt in a tension assembly greatly exceed those of a simple screw that fastens a cover plate to an electrical wall socket. International thread-acceptance documents and standards recognize this basic engineering fact, and incorporate different thread-inspection requirements into their verification standards.
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Hats off to tool manufacturers! They make some of the most geometrically complex products out of the toughest materials and with the tightest tolerances. And yet cutting tools represent only 3% of the total cost of the average metalworking process.
A recent effort by the Norton Advanced Applications Engineering Group demonstrates that for difficult-to-machine materials, grinding can be an economical alternative to other machining processes.
Cutting tool maker Shape-Master Tool Co. (Kirkland, IL) needed to expand its tool grinding capability beyond that of its conventional machines or run the risk of losing work to the competition.
Many precision grinding machines on the market already offer their users near-perfect tolerances, leaving one to wonder: What’s next in grinding? But tool builders still have plenty of room to add valuable new improvements, machine shop owners say.
United Grinding North America will close its Fredericksburg, VA, office on July 1 and move those operations to its headquarters in Miamisburg, OH. “This tactical move is part of an overall strategy designed with the customer at the forefront,” said Theodore Neckel, director of corporate marketing for United Grinding North America.
In what shouldn’t be too much of a surprise, challenges for advanced grinding technology from high tech industries range from handling the most difficult-to-machine materials for aerospace jet engine turbines to series production on automotive drive train lines.
Although drivers may not know it, cable connections for the airbags and seatbelt buckle systems in their vehicle simply would not work without components manufactured by ODW-Elektrik. A development partner and supplier for high-quality cabling, solenoids and mechatronic systems used in vehicles around the world, ODW-Elektrik supplies most of its products to Bosch, Autoliv, Brose, VW, and ZF.
It’s easy to become dazed by the continuing stream of buzz words. For those of us in manufacturing, all this buzz creates a sense of impending change, but no clarity on what that change might be. Uncertainty means anxiety.
Manufacturing Engineering asked thought leaders at five companies for their views on challenges and trends facing the metalworking industry.