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Oxy cutting a 8" steel shaft
On 2014-04-25, Gunner Asch wrote:
On Thu, 24 Apr 2014 17:26:39 -0500, Ignoramus22929 wrote: On 2014-04-24, Gunner Asch wrote: On Thu, 24 Apr 2014 14:00:51 -0500, Jon Elson wrote: wrote: I searched on the internet and did not find any info on max cut with the 315FC torch. If it will not handle the 8 inch shaft, try searching on Oxygen Lance. I have never used one, but have seen the pretty pictures. Yup, 8" is getting up into the oxygen lance territory. They make short work of big cuts, but use a LOT of oxygen. Jon I hope no one..least of all Iggy...loses sight of the fact that that flywheel is hanging on that shaft and HAS to be dealt with PROPERLY before anything else is done. I say this, part of my career has been fixing such machines and I HAVE pulled down big punch presses to change bushings holding that big assed cam shaft. If one were outdoors, one could shear that shaft and let the flywheel simply fall using exothermic devices...but indoors..it presents a hazard to both the floor..and anyone around if that ******* gets loose. Its a very simple thing..except for the sheer scale and the weights involved. A flywheel on an 8" shaft can weigh up to several TONS, though I doubt this one would be more than 1 ton based on shaft size. Having a 1 ton steel wheel 6-10' off the floor suddenly come loose and subject to gravity..is a nightmare of biblical proportions. My best estimate is that the wheel weighs 5,000 lbs. If it falls on the floor, it goes straight THROUGH the floor. I will hold it with the big forklift and strap it to the forks. I have done it once already (no one cared about that building). With a much smaller press. Id be lifting that flywheel upwards and putting a small load on the forklift before you cut the shaft. Better to have the press fall/relax a tiny bit than take a sudden down load of 2.5 tons. Yes, definitely. i |
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