When it comes to bearings, what really bugs the engineers who design with them? Its service life, says 25% of the respondents in a Design News study of power transmission component users. Other top complaints: Lubricant (20%); Load capacity (18%); Cage (11%); Noise (10%); and Speed restrictions (8%). Now for the good news: 30% of engineers expect to buy more bearings in 2003 versus 2002. How much? The bearing market is projected to grow at over 4% annually by 2005, reports the market research company Frost & Sullivan.
NanoSteel Co., which develops high-performance steel alloys, began producing steel powders for additive manufacturing (AM) last year and now supplies them commercially for freeform laser deposition and laser powder bed fusion processes.
Parking lots, garage rooftops, and carports are prime spaces for commercial-scale solar energy systems. But engineering a solar carport comes with unique challenges. Here are the basics that system engineers need to know.
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