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Groups > sci.physics > #897300
| From | ram@zedat.fu-berlin.de (Stefan Ram) |
|---|---|
| Newsgroups | sci.physics |
| Subject | Re: compression in a roll |
| Date | 2026-10-14 15:41 +0000 |
| Organization | Stefan Ram |
| Message-ID | <rolls-20261014164058@ram.dialup.fu-berlin.de> (permalink) |
| References | <87h5ioe2n0.fsf@librehacker.com> |
Christopher Howard <christopher@librehacker.com> wrote or quoted: >Hi, I was wondering: when you roll up tightly something like sheets of >paper, toilet paper, or plastic, is there some kind of compression force >that makes sheets toward the center of the roll thinner than sheets >toward the outside of the roll? It seems there is more pressure near the center. The tension of the rolled-up layers is called "wound-in tension". There is a whole science of this called "web handling", "web winding", or "roll winding mechanics". Industrial winding machines do not use even tension throughout the process, to ensure the roll has a relatively uniform hardness and thickness throughout.
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compression in a roll Christopher Howard <christopher@librehacker.com> - 2026-10-14 07:13 -0800 Re: compression in a roll ram@zedat.fu-berlin.de (Stefan Ram) - 2026-10-14 15:41 +0000 Re: compression in a roll Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2026-10-14 22:17 +0200
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