https://wiki.guldforum.se/w/index.php?action=history&feed=atom&title=Vev
Vev - Versionshistorik
2026-11-05T21:24:46Z
Versionshistorik för denna sida på wikin
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https://wiki.guldforum.se/w/index.php?title=Vev&diff=12597&oldid=prev
Dan Olsson den 2 mars 2013 kl. 16.49
2013-03-02T16:49:17Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Äldre version</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Versionen från 2 mars 2013 kl. 11.49</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l18">Rad 18:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Kategori:Mekanik]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Kategori:Mekanik]]</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[ar:مرفق (آلية)]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[da:Krumtap]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[de:Kurbel]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[en:Crank (mechanism)]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[fr:Manivelle]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
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Dan Olsson
https://wiki.guldforum.se/w/index.php?title=Vev&diff=10774&oldid=prev
Dan Olsson: 1 version
2013-02-25T15:30:12Z
<p>1 version</p>
<p><b>Ny sida</b></p><div>[[Image:Vinsch.jpg|right|miniatyr|Vinsch]]<br />
[[Bild:Laptop-crank.jpg|thumb|Vevdriven dator]]<br />
En '''vev''' är en mekanisk anordning för omvandla en fram- och återgående [[linjär]] rörelse till en [[rotation|roterande]] rörelse. Kraften som åstadkommer den linjära rörelsen ansätts på [[periferi]]n på en anordning som fungerar som ett roterande hjul vars centrum tar emot den överförda kraften.<br />
<br />
Ordet vev användes vanligen när kraften är manuell (hand eller fot). När kraften tillförs av en [[vevstake]] används normalt ordet [[vevaxel]] där kraftöverföringen även kan ske i bägge riktningarna till exempel i en [[kolvpump]] eller [[kolvmotor]]. <br />
<br />
Veven består av:<br />
*En [[axel]] som tar upp [[vridmoment]]et.<br />
*En momentarm vars längd eller radie bestämmer vridmomentet Momentarmen kan vara fast ansluten till axeln som på en startvev eller fäst med ett [[frihjul]] (kan rotera fritt i endast en riktning) som på ett [[spärrskaft]] i en hylsnyckelsats.<br />
*En vevtapp som tar upp kraften från vanligen en hand eller fot.<br />
<br />
Vridmomentet uttrycks som:<br />
M=F*r Newtonmeter där F är kraften på vevtappen i [[Newton]] och r är längden på vevarmen i meter.<br />
<br />
Tillämpningar:<br />
*Handkraft: [[Vinsch]]; startvev; köttkvarn; spärrskaft.<br />
*Pedalkraft: Cykeltrampa; symaskinstrampa. <br />
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[[Kategori:Mekanik]]<br />
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[[ar:مرفق (آلية)]]<br />
[[da:Krumtap]]<br />
[[de:Kurbel]]<br />
[[en:Crank (mechanism)]]<br />
[[eo:Kranko]]<br />
[[es:Manivela]]<br />
[[fr:Manivelle]]<br />
[[it:Manovella]]<br />
[[he:ארכובה]]<br />
[[mk:Курбла]]<br />
[[ms:Engkol]]<br />
[[ja:クランク (機械要素)]]<br />
[[pl:Korba]]<br />
[[pt:Manivela]]<br />
[[ru:Кривошипно-шатунный механизм]]<br />
[[sk:Kľukový mechanizmus]]</div>
Dan Olsson