Not all companies can change their brand, but that still doesn’t stop most from finding a way back.
Our 1999 5 series station wagon rear seats fold down flat. Got a twin size foam mattress from amazon and we did a cross country road trip. It was so comfortable. So easy.
While fiber lasers were introduced in the mid-2000s, the market did not gain much traction until 2010 or 2011. This is when the laser cutting industry started to see all major machine manufacturers introduce their products with confidence that this technology was capable of being a viable production tool with many benefits.
Ceramics and glass can be machined by grinding, but it’s a very slow process. I once worked for a company that was drilling small (1/8 inch [3mm] or so) holes about three inches [75mm] long in a glass block along with some other machining. https://en.wikipedia.org/wiki/Ring_laser_gyroscope#/media/File:Ring_laser_gyroscope_at_MAKS-2011_airshow.jpg
This is very cool, and I hope others with the talent to build this stuff create higher density arrays, ones with faster framerates, and push the sensitivity of the sensors (maybe these could lead to seeing the radiation patterns of antennas). In the short term, I hope we get videos of motors, transformers, speakers, and other interesting stuff.
Finally. Graphite crucibles can be found on EBAY real cheap. You can even use furnace potting compound too. And really all this melting should be DONE OUTSIDE. All kinds of nasty gasses are created melting this stuff. Lead come on now. Ever heard of lead poisoning???
Richmond has something for every adventurer—even the four-legged ones. For an easy stroll, head to the 23-acre Point Isabel Regional Shoreline (2701 Isabel St.), which offers a dog park and sweeping views of the Golden Gate and Bay bridges. // Miller Knox Regional Shoreline (900 Dornan Dr.) has 300 acres where dogs (often allowed off leash) particularly love Keller Beach, near the tunnel entrance. // There’s also plenty to discover throughout the 2,315-acre Point Pinole Regional Shoreline (5551 Giant Hwy.), which connects Richmond to Pinole and San Pablo and affords opportunities to spot local wildlife and hear the hooting of resident owls. // One of the city’s parks also serves as one of its top tourist destinations, and Rosie the Riveter Memorial/WWII Home Front National Historic Park (1414 Harbor Way S. #3000) includes a visitor center where thousands of people converge every August dressed like Rosie for the Home Front Festival and Rosie Rally. If you’re visiting at other times of the year, tour the education center with a ranger, stroll the memorial park, and board the SS Red Oak Victory Ship. On most Fridays, you can meet real Home Front workers from WWII.
“These results demonstrate our fiber lasers’ continued penetration of large-scale applications, our ability to capitalise on growing demand for several key applications, as well as the leverage we have in our operating model,” said Gapontsev.
Optical flow sensor (OFS) technology is an extension of the original long-baseline optical anemometer (LOA) systems developed by the Environmental Research Labs / National Oceanographic and Atmospheric Administration.
Laser cutter programmer Mark Jolly likes the useful scrap cut-down feature in BySoft that cuts big areas of waste material inside a component into several smaller pieces. It avoids the risk of a large piece of scrap distorting upwards, which could damage the laser nozzle traveling 1mm above the sheet. He also appreciates the engraving function that can be called up at the control by backing off the power output from 4kW to 600W.
Customer-driven requirements mandated that the size and shape of the new laser-based system fit within the fixed envelope of the current heating systems. Laser energy delivered via fiber-coupled laser diodes were initially considered—these types of diodes deliver light from the semiconductor diode via a flexible passive-core fiber. To achieve the necessary optical energy distribution across the processing area, secondary optics would also be required. Given the volumetric constraints of the heat source and the desire for higher electrical-to-optical efficiency, the use of fiber-coupled laser diodes was rejected. Using attached micro-optics for collimation, free-space direct diodes provide the desired beam divergence while providing an electrical-to-optical efficiency over 60%. The final system design includes four tap-water cooled T6 diode stacks from Lasertel (Tucson, AZ)—the T6 laser diode heat source is shown in FIGURE 3. The T6 stacks were chosen because they were the only laser packages that would produce the power level required while fitting into the available physical space. The customized spacing between the bars was configured so that up to 2000W of optical power could be evenly distributed across the work surface. The electrical path was configured to allow each stack to be powered individually based on the number of prepreg tows being processed. The composite material temperature is actively monitored by the system and a closed-loop system controls the current to each diode, allowing for the power to be adjusted accordingly. The laser system delivers heat in a focused area and allows quick on/off operation.
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