Developing new aircraft is always a challenge, but one that engineers at Gulfstream Aerospace Corp. (GAC) have successfully dealt with for more than 60 years. GAC produces state-of-the-art corporate jets for companies and governments all around the world, with hundreds of them currently in operation.
With so many ways to formulate plastic to get just the right combination of color, texture, strength and durability, it’s easy to forget how the parts will be assembled. However, if the parts will be assembled with screws, overlooking such parameters as thread style, driver speed and boss design could spell disaster on the assembly line.
CLEVELAND—To support President Trump’s invoking of the Defense Production Act to increase production of equipment to diagnose and treat COVID-19, ASG, Div. of Jergens Inc., will be implementing an order priority initiative for all medical device manufacturers effective March 19.
Threaded fasteners are, by far, the most common method of assembling parts. According to ASSEMBLY magazine's annual Capital Equipment Spending Survey, screwdriving is performed at 58 percent of U.S. assembly plants, making it more popular than welding, pressing, adhesive bonding or riveting.
Science writer John Wilford once observed that his articles had to focus on one of these story lines to earn their way into print: "big bang, big bucks, big screwup, or big comeback - and with the Hubble Space Telescope you've got them all." He was right. Since launching into orbit almost 30 years ago, Hubble has gone from the humiliation of "techno turkey" to high-risk recovery to recognition as one of history's most prolific scientific explorers.
There are many ways to crimp or flare a lip on a cylindrical part. For example, it can be done with a press or an orbital forming machine. However, the problem with those processes, particularly the former, is that they require a good deal of force.
Airbus has inaugurated a highly automated fuselage assembly line at its A320 factory in Hamburg, Germany. The new line features a digital data acquisition system, 20 robots, automated guided vehicles, and automated positioning by laser measurement.
As the speed of innovation in the automotive industry quickens, assemblers at Rhenus SML in Genk, Belgium, do all they can to keep pace. Rhenus workers painfully learned the importance of this five years ago when Ford Motor Co. shut down its Genk plant, which sat adjacent to Rhenus's facility.