Rolling of non-standard cylinders
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Common specifications for cylinder diameter include 700, 1000, and so on. If a cylinder with a diameter of 720 or 1020 is needed, does that mean it’s necessary to create a custom roller (i.e., a mold)? This question is a bit vague; I’m not entirely sure about it
:lol :lol Even a rolling machine can be used for rolling it
Theoretically, anything larger than the diameter of the upper roll on the coiler can be coiled; it’s not the case that the larger the roll, the larger the diameter that can be achieved
The original poster doesn’t understand reel triggers. The drum diameter you need is adjustable on the winding trigger, rather than fixed.
I want to know how the diameter of the cylinder is controlled
No need. Adjusting the diameter of the rolled circle can be achieved by adjusting the distance between the rollers.
There’s no need to make the rollers again; otherwise, how many would be required for the sheet rolling machine? ? However, if you require higher precision, you need to create a template gauge.
Generally, scroll triggers have a minimum limit diameter for the scroll cylinder. As long as it is larger than this size, cylinders of any diameter can be rolled. The standard nominal diameter is specified with regard to the head, rather than the cylinder. Since the processing of end caps generally relies on molds, and molds cannot be made in any desired size. The standard diameter was established to reduce the number of molds.
A coiler can control the diameter of the tube being rolled by adjusting the upper roller
One should go to the site to see how the roll forming machine works, and then this question will be resolved. The diameter of the rolled tube by the rolling machine is primarily controlled by the length of material used; for a tube with a diameter of 700 mm, 700 × 3.14 mm worth of material is used (this amount should be slightly less than the calculated value to allow for the width of the weld seam). After feeding the material into the rolling machine, it is rolled several times until it forms a perfect circle.
No, the sheet rolling machine is adjustable. The diameter of the tube is determined by the position of the upper roll.