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Thread: Cutting a thick steel slab - photo

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    Supporting Member Toolmaker51's Avatar
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    Holey Moley! This was possible before CNC???
    Oh, wait one.
    Solutions were found by creative thinking through relatively simple mechanical devices.
    Now I remember.
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    Supporting Member hemmjo's Avatar
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    My imagination has so many questions about that photo!!!

    1. What is the dark rectangle spot on the right end of that big hunk of steel? Is that part hollow?

    2. Is that big hunk a "small" part for something REALLY big, or is it the main part of something just sort of big?

    3. How much O2 pressure do you need to burn through a hunk that thick?

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    Supporting Member Frank S's Avatar
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    Quote Originally Posted by hemmjo View Post
    My imagination has so many questions about that photo!!!

    1. What is the dark rectangle spot on the right end of that big hunk of steel? Is that part hollow?

    2. Is that big hunk a "small" part for something REALLY big, or is it the main part of something just sort of big?

    3. How much O2 pressure do you need to burn through a hunk that thick?
    1 Most assuredly the hunk of steel is not hollow not sire what the spot is, possibly jest the result of rollover from when the slab went through the rolling mil to shape it to height and width

    2 the shape resembles a side link to a link chain or roller chain. most likely to be part f a chain for suspension bridge or draw bridge or possibly even a flood gate if you look at the trace templet pattern on the table you can see much of the shape even a pattern for a hole
    3 O2 pressure for something that thick might be as high as 150PSI and most likely Natural gas for the fuel but possibly LPG
    Never try to tell me it can't be done
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    Unkle Fuzzy's Avatar
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    It is a crankshaft throw for a large engine or compressor.

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    Biggest piece of torch cut plate I have seen was 14" thick, it was a frame for a large rolling mill. Did not see the process, but you could tell it was torched by the marks.

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    Supporting Member Toolmaker51's Avatar
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    Lol, just days ago looking at a clean used pattern torch too.
    Cannot think my requirements would go beyond 1" or 1-1/4" (for parts needing finished both sides).



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