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Box Coater Question

glinos7124 #3309 There's an auction at a metal supplier tomorrow. Might be a place to pick up some sheets of steel, hopefully stainless, for very cheap. Building a box coater might be a fun winter project. Anyone know what the minimum thickness of the walls for the box coater?
lrwweb All Messages By This Member #3310 Hi, I saw an old box chamber in one of our labs once a while back - it was an 18"-a-side cube and the walls were 5/8" thick solid stainless steel plate - weighed an absolute bomb! That's the problem with flat-sided chambers - they need to be so thick to withstand the vacuum. Cheers, Lindsay toggle quoted message Show quoted text --- In VacuumX@..., "glinos7124" <tg@...> wrote: There's an auction at a metal supplier tomorrow. Might be a place to pick up some sheets of steel, hopefully stainless, for very cheap. Building a box coater might be a fun winter project. Anyone know what the minimum thickness of the walls for the box coater?
James Lerch #3311 The front and rear of my 24x24" chamber are fabricated from 1/2" thick normal plate steel. I probably would not go any thiner unless you start building a skeletal system and skining it with thiner material. BTW, my 1/2" thick front door bows inward about 0.01" or so as the air is pumped out :-) glinos7124 wrote: toggle quoted message Show quoted text There's an auction at a metal supplier tomorrow. Might be a place to pick up some sheets of steel, hopefully stainless, for very cheap. Building a box coater might be a fun winter project. Anyone know what the minimum thickness of the walls for the box coater? ------------------------------------ Yahoo! Groups Links -- Take Care, James Lerch (My helicopter crash videos and stuff) (My telescope construction,testing, and coating site) (My 15KW generator project) " Press on: nothing in the world can take the place of perseverance. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. Persistence and determination alone are omnipotent. "

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