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It took us more than three years to build a design that could do that.” So, it’s really a lot of power generated on a very small package. I mean, 700 Newton-meters is more than a performance model Tesla would produce on all of its wheels. “It is really a massive amount of torque generated in a very, very compact form. “We wanted something that was simpler, we wanted something that was more powerful and we wanted something that was even more manufacturable,” recalled Beck.įor starters, the base joints of the UR20 produces more than 700 Newton-meters of torque, pointed out Beck. “We really started all the way from scratch, threw away everything we knew, looked at all the new technologies that came in, sorted them, ranked them, developed prototypes and, in the end, came up with something that is our new design today,” Beck said.īack in 2018, when the UR launched its e-Series, engineers were already rethinking the overall mechanical design of the cobot. In short, the assignment was to reimagine the whole drive train. The journey to the UR20 has been relatively long for the Danish manufacturer, said Beck, partly because UR’s engineers needed to balance high performance with collaborative safety capabilities that require strong, lightweight construction. It is designed to automate jobs where you would need two hands.” Reimagining the Drive Train The UR20 is designed to be fully capable of stacking a Euro or American pallet, all the way to two meters in height, which is the average height you stack before loading them onto trucks. “Palletizing is a core application, where we have a lot of people lifting, stacking heavy boxes, putting them on pallets and doing that on a day-to-day basis.

“It’s been designed this way to handle applications where you need a larger workspace,” explained Beck.

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These specs qualify the UR20 as the lightest long-reach collaborative robot on the market and can be useful both as a technical tool and as a manual laborer. A combination of materials (aluminum, plastic and steel) makes it lightweight and compact compared to other robots of its size with similar capabilities.

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Redesigned from the ground up, the UR20 has a reach of 1,750 millimeters, can carry a full payload of 20 kg (44 lb.), weighs 64 kg (141 lb.) and has six rotating joints. “And one of them is a safety feature ensuring the cobot can detect contact between humans and the robot, so that it stops and keeps them safe from harm.”Ĭobots also need to be “very easy to use, very easy to install, very simple and don’t require a lot of expertise,” Beck told Machine Design during an exclusive introduction to Universal Robot’s latest offering, the UR20. If you look at the robotic standards, collaborative robots are defined by a number of modes of collaborating with robots (global standard ISO/TS 15066), said Anders Beck, a roboticist and vice president, Strategy and Innovation, Universal Robots. In addition to the power and force limiting (PFL) features built into the cobot, standards define the creation of a shared collaborative work space that will allow close but safe interaction between the cobot and operating staff. Since they operate alongside people, safety is central to the design. That argument has steadily been supplanted with the development of cobots-collaborative robots-that are programmed for division of labor and to work safely alongside their human colleagues.Īs a subset of industrial robotics, cobots are largely designed to automate monotonous, strenuous, repetitive, heavy-lifting tasks that are a bane for humans. WATCH THE VIDEO: UR’s Latest Cobot is Designed for Higher PayloadsĮver since robots were deployed to the production floor in the late 1990s, humans have associated these workhorses with disappearing jobs.

Anders Beck, vice president, Strategy and Innovation, Universal Robots, discusses the automation platform’s new features, including the tool flange and joint design.

The UR20 is a workhorse capable of handling heavier loads on significantly faster cycle times, and with greater reach in a small footprint.

Danish manufacturer Universal Robots designed its UR20 cobot for welding, material handling, machine loading and tending, among other repetitive and strenuous tasks.

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