The latest development in AMADA’s FLW series, the new FLW ENSIS laser welding cell, processes far larger gap sizes than generally possible by using laser welding technology. The system is based on the proven 3-kW fiber laser with variable beam control and the innovative weaving technology whose integrated rotating optics allow the laser beam to move from side to side. In the FLW ENSIS, this AMADA system has once again been optimized. With the so-called “Ring Mode Beam” the welding beam fans out in a ring shape, which allows to optimally bridge even large gap sizes – all this in combination with the weaving technology and the push pull filler wire guide.
Steel and aluminum, along with coal, glass and solar panels, are among many Chinese industries that mushroomed until supply vastly outstripped demand.
“I had a terrible experience early on in my career where I was booked for a cover, and the hairdresser had absolutely no idea what to do with my hair. This was back in the mid-’80s, before you could just run to any corner and get a flat iron or find a salon that was good with black hair down in Soho. It cost me the first American cover I could have had, and it was a good five years before I got another chance.”—Veronica Webb, model
Moms on a Mission is a nonprofit group completely donation driven, with no paid staff. Moms on a Mission serves homeless and displaced individuals, foster children, veterans, teens, low income families and the elderly. In addition to going out into the community, they operate a local free store with thousands of items for people in need. To find out more about this organization search “Moms on a Mission” on Facebook.
You’ll want to treat the Evolution Rage3 nicely in order to keep it for the long haul, but I’m convinced that you’re unlikely to get this kind of cutting versatility (for the price) anywhere else.
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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“People are gun-shy about admitting that nepotism helps because you’re supposed to pull yourself up from the bootstraps. Capital can come in monetary form, but it can also come in connections.”—Nikki Ogunnaike, style director, Elle.com
“Assimilation is a double-edged sword. Since starting my company I’m more vocal about having diversity, specifically black people, integrated into brands and conversations, primarily in regards to campaigns and products that are heavily geared toward the black community. For example, I think there is an influx of campaigns shot in primarily urban areas but there lacks the same diversity on the team. My question is, who can speak from that point of view authentically, or is this an aesthetic? It is imperative to use the talents of black people that are driving these conversations from their points of view to their community nationwide and globally.”—Sandrine Charles, founder, Sandrine Charles Consulting
Induction reflow is sometimes used when soldering metal parts, including connectors, so I have some doubt about [RandyKC]’s assertion that “Only reason solder melted was due to the container”. Also, the screwdriver that [Proto G] inserted into his coil certainly got hot, so I don’t see why the same thing wouldn’t apply to solder (hey [Proto G], stick a piece of solder into it and end this debate). However, I suspect that the induced currents and heating would be fatal for lots of more sensitive components ([Proto G], ditto). Without careful control (which is perhaps impossible anyway), this is going to very quickly take some things far above soldering temperature.
So, Jan, you are saying that the fuel savings from these tunnels being built is enough to crash the price? I read where 71% of oil consumed in the USA is used in transportation but I haven’t found how much of that is used for trucking. Trying to wrap my head around your tunnel idea… how much oil it would save… and if this could crash the price.
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