Flying may become a more serene experience for those traveling on the new 737 NG Boeing Business Jet. Engineers have completed tests on a new active noise and vibration control system, supplied by the LORD Corp., which has provided engine isolators and mounts, hydraulic pump, and interior isolators for a variety of aircraft. Sound pressure levels dropped an average of 8 to 12 decibels for N1 engine tones. That's significant, especially when you consider that decibels are logarithms of sound levels. Now, if only someone could do something about those screaming babies.
Most machine design engineers will survey existing component manufacturers for standard linear guide products, limiting what they can do with their designs. Using extruded aluminum profile guides can customize machine designs while shrinking the bill of materials.
Practically all electronic devices today contain metals that may
be coming from conflict-ravaged African countries. And political pressures will increasingly influence how these minerals are sourced and used in products.
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