Jim, hype-therm may well be able to do that, but a lot of the plasmas i have been around piercing is akin to Russian roulette for the poor nozzle! Admitidly they are older machines now, both were 10+ years old when i was around them ten years ago. We have been cutting more than a few custom grill type parts of late, think hundreds of D shaped holes in a part, decorative - safety guard like purpose only, nothing had to fit in them. Local plasma place would not even quote them due to there consumable concerns supposedly.
Also just out of curiosity, what could you hold tolerance wise on say 1-2mm thick mild steel sheet, not a trick question, just a application i may have in the not too distant future, also whats the minimum round hole size in that thickness range please? A hole with quality of cut acceptable to receive a self tapping screw?
I do hope plasma continues to improve, lasers are so power hungry its just ridiculous, there also very costly. By the time you factor in the Chiller and dust extractor input service, to make only 4.5Kw of laser beam your maxing out 200 amps of three phase supply. Put another way, to create 4.5Kw of beam your dumping near a 100Kw of heat. A lot of what i see being cut could often with a little bit of redesign be cut a lot more cost effectively by plasma. Laser realy in my book only wins when you need the cut quality, a lot of things don't need it, its just makeing that manufacturer less competitive on a global scale.
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The 150 watt laser will cut up to a thickkness of .090" mild steel and .075" stainless steel. The 400 watt laser will cut up to .1875" mild steel, .125" stainless steel and some aluminum alloys up to .050". The 400 watt laser will also cut thinner gauge brass, titanium and nickel. Please feel free to send us your metal material to determine the feed rate and edge quality the KERN Metal Cutter can produce.The 150 watt laser will cut up to a thickkness of .090" mild steel and .075" stainless steel. The 400 watt laser will cut up to .1875" mild steel, .125" stainless steel and some aluminum alloys up to .050". The 400 watt laser will also cut thinner gauge brass, titanium and nickel. Please feel free to send us your metal material to determine the feed rate and edge quality the KERN Metal Cutter can produce.
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