They are nimbler, lighter and work better with humans. They might even help bring manufacturing back to the U.S.
“Robots are going to change the economic calculus for manufacturing. People will spend less time chasing low-cost labor.”
"Researchers hope robots will become so easy to set up and move around that they can reduce the need for companies to make heavy investments in tools and structures that are bolted to the floor."That will change not only the way an increasing number of products are made. It could also mean an upheaval in the competition between companies and nations. As robots become less costly and more accessible, they should help smaller manufacturers go toe to toe with giants. By reducing labor costs, they also may allow the U.S. and other high-wage countries to get back into some of the processes that have been ceded to China, Mexico and other countries with vast armies of lower-paid workers.
"That would allow manufacturers to make shorter runs of niche or custom products without having to spend lots of time and money reconfiguring factories."Some of the latest robots are designed specifically for the tricky job of assembling consumer-electronics items, now mostly done by hand in Asia. At least one company promises its robots eventually will be sewing garments in the U.S., taking over one of the ultimate sweatshop tasks.
The changing faceToday, industrial robots are most common in auto plants—which have long been the biggest users of robot technology—and they do jobs that don’t take much delicacy: heavy lifting, welding, applying glue and painting. People still do most of the final assembly of cars, especially when it involves small parts or wiring that needs to be guided into place. Renault SA plant in Cleon, France, robots made by Universal Robots AS of Denmark drive screws into engines, especially those that go into places people find hard to get at. The robots employ a reach of more than 50 inches and six rotating joints to do the work. They also verify that parts are properly fastened and check to make sure the correct part is being used. The Renault effort demonstrates a couple of trends that are drastically changing how robots are made. For one, they’re getting much lighter. The Renault units weigh only about 64 pounds, so “we can easily remove them and reinstall them in another place,” says Dominique Graille, a manager at Renault, which is using 15 robots from Universal now and plans to double that by year-end.
Researchers hope robots will become so easy to set up and move around that they can reduce the need for companies to make heavy investments in tools and structures that are bolted to the floor. That would allow manufacturers to make shorter runs of niche or custom products without having to spend lots of time and money reconfiguring factories. “We’re getting away from the [structures and machinery] that can only be used for one thing on the factory floor and [instead] using robots that can be easily repurposed,” says Henrik Christensen, director of robotics at Georgia Institute of Technology.
Built to collaborate
Another big trend at work: The Renault robots are “collaborative,” designed to work in proximity to people. Older types of factory robots swing their steel arms with such force that they can bludgeon anyone who strays too close. Using sonar, cameras or other technologies, collaborative robots can sense where people are and slow down or stop to avoid hurting them.
These types of innovations aren’t limited to the auto industry….(read more)
Mr. Hagerty is a news editor in The Wall Street Journal’s Pittsburgh bureau. Email email@example.com.
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