Spiral half-tube problem?
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I urgently need advice from experienced sailors: how is it possible to create those spiral semi-tubes that wrap around the outer surface of pressure vessel cylinders? Is it done by rolling a whole tube on a rolling machine and then cutting it in half? Moreover, since it is a stainless steel tube, it is even more difficult to cut
Our unit doesn’t do spiral half-tubes very well, so we bought them; according to the procurement staff, the price isn’t high either.
Semi-tubes in various specifications are available; all that is needed is to inform the manufacturer of the diameter of the spiral semi-tube [cylinder diameter].
There are machines specifically designed to press semi-tubes of various sizes and specifications, and these are usually built by oneself.
It’s better to buy it yourself; the quality of what we make is not good.
Sheets are rolled into semi-tubes; it is generally not done by cutting whole tubes in half
What diameter do you mean for the half-tube? Are there any pictures?