84 lines
8.5 KiB
HTML
84 lines
8.5 KiB
HTML
<html><head><title>Constraint EqualLength/sv</title><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><link type='text/css' href='wiki.css' rel='stylesheet'></head><body><h1>Constraint EqualLength/sv</h1></div>
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<div id="mw-content-text" lang="sv" dir="ltr" class="mw-content-ltr"><hr/><div class="mw-parser-output"><table class="fcinfobox wikitable ct" >
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<tr>
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<td class="ctTitle">
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<h3><span class="mw-headline" id="Constraint_EqualLength"><a href="https://www.freecadweb.org/wiki/index.php?title=File:Constraint_EqualLength.png" class="image"><img alt="Constraint EqualLength.png" src="32px-Constraint_EqualLength.png" width="32" height="32" srcset="/wiki/images/thumb/b/bb/Constraint_EqualLength.png/48px-Constraint_EqualLength.png 1.5x, /wiki/images/b/bb/Constraint_EqualLength.png 2x" /></a> Constraint EqualLength</span></h3>
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</td></tr>
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<tr>
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<th class="ctOdd">Menyplacering
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</th></tr>
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<tr>
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<td class="ctEven">Sketch → Sketcher constraints → Constrain equal
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</td></tr>
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<tr>
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<th class="ctOdd">Arbetsbänk(ar)
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</th></tr>
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<tr>
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<td class="ctEven"><a href="https://www.freecadweb.org/wiki/index.php?title=Sketcher_Workbench/sv" title="Sketcher Workbench/sv">Sketcher</a>, <a href="https://www.freecadweb.org/wiki/index.php?title=PartDesign_Workbench/sv" title="PartDesign Workbench/sv">PartDesign</a>
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</td></tr>
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<tr>
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<th class="ctOdd">Standard genväg
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</th></tr>
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<td class="ctEven">None
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</td></tr>
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<tr>
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<th class="ctOdd">Se även
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</th></tr>
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<td class="ctEven"><a href="https://www.freecadweb.org/wiki/index.php?title=Constraint_Radius/sv" title="Constraint Radius/sv">Constraint Radius</a>
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</td></tr>
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<tr>
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<td class="ctToc"><br /><div id="toc" class="toc"><div class="toctitle"><h2>Contents</h2></div>
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<ul>
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<li class="toclevel-1"><a href="#Constraint_EqualLength"><span class="tocnumber">1</span> <span class="toctext">Constraint EqualLength</span></a>
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<ul>
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<li class="toclevel-2 tocsection-1"><a href="#Description"><span class="tocnumber">1.1</span> <span class="toctext">Description</span></a></li>
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<li class="toclevel-2 tocsection-2"><a href="#Operation"><span class="tocnumber">1.2</span> <span class="toctext">Operation</span></a></li>
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</ul>
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</li>
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</ul>
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</div>
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</td></tr></table>
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<p><br />
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</p>
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<h4><span class="mw-headline" id="Description">Description</span></h4>
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<p>The Constrain Equal constraint forces two or more line segments in a line , poly-line or rectangle to have equal length. If applied to arcs or circles the radii are constrained to be equal. It cannot be applied to geometry primitives which are not of the same type (e.g. line segments and arcs).
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</p>
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<h4><span class="mw-headline" id="Operation">Operation</span></h4>
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<p>The example sketch below contains a number of sketch primitives ( line,poly-line, rectangle, arc and circle).<br /><br />
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<a href="https://www.freecadweb.org/wiki/index.php?title=File:EqualConstraint1.png" class="image"><img alt="EqualConstraint1.png" src="256px-EqualConstraint1.png" width="256" height="184" srcset="/wiki/images/thumb/9/9a/EqualConstraint1.png/384px-EqualConstraint1.png 1.5x, /wiki/images/9/9a/EqualConstraint1.png 2x" /></a><br /><br />
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Select two or more line segments (e.g. line and one side of the rectangle).<br /><br />
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<a href="https://www.freecadweb.org/wiki/index.php?title=File:EqualConstraint2.png" class="image"><img alt="EqualConstraint2.png" src="256px-EqualConstraint2.png" width="256" height="184" srcset="/wiki/images/thumb/6/6c/EqualConstraint2.png/384px-EqualConstraint2.png 1.5x, /wiki/images/6/6c/EqualConstraint2.png 2x" /></a><br /><br />
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Click on the Constrain Equal icon <a href="https://www.freecadweb.org/wiki/index.php?title=File:Constraint_EqualLength.png" class="image"><img alt="Constraint EqualLength.png" src="16px-Constraint_EqualLength.png" width="16" height="16" srcset="/wiki/images/thumb/b/bb/Constraint_EqualLength.png/24px-Constraint_EqualLength.png 1.5x, 32px-Constraint_EqualLength.png 2x" /></a> in the Sketcher toolbar (in either the Sketcher or Part Design workbenches) or select the Constrain Equal menu item from the Sketcher constraints sub menu item in either the Sketch or Part Design menu item depending upon which workbench is selected (Sketcher or Part Design) to apply the constraint to the selected items.<br /><br />
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<a href="https://www.freecadweb.org/wiki/index.php?title=File:EqualConstraint3.png" class="image"><img alt="EqualConstraint3.png" src="256px-EqualConstraint3.png" width="256" height="184" srcset="/wiki/images/thumb/8/8a/EqualConstraint3.png/384px-EqualConstraint3.png 1.5x, /wiki/images/8/8a/EqualConstraint3.png 2x" /></a><br /><br />
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Now select the arc and the circle in the sketch.<br /><br />
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<a href="https://www.freecadweb.org/wiki/index.php?title=File:EqualConstraint4.png" class="image"><img alt="EqualConstraint4.png" src="256px-EqualConstraint4.png" width="256" height="184" srcset="/wiki/images/thumb/4/4c/EqualConstraint4.png/384px-EqualConstraint4.png 1.5x, /wiki/images/4/4c/EqualConstraint4.png 2x" /></a><br /><br />
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and apply the Constrain Equal <a href="https://www.freecadweb.org/wiki/index.php?title=File:Constraint_EqualLength.png" class="image"><img alt="Constraint EqualLength.png" src="16px-Constraint_EqualLength.png" width="16" height="16" srcset="/wiki/images/thumb/b/bb/Constraint_EqualLength.png/24px-Constraint_EqualLength.png 1.5x, 32px-Constraint_EqualLength.png 2x" /></a> constraint as before.<br /><br />
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<a href="https://www.freecadweb.org/wiki/index.php?title=File:EqualConstraint5.png" class="image"><img alt="EqualConstraint5.png" src="256px-EqualConstraint5.png" width="256" height="184" srcset="/wiki/images/thumb/4/49/EqualConstraint5.png/384px-EqualConstraint5.png 1.5x, /wiki/images/4/49/EqualConstraint5.png 2x" /></a><br /><br />
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Now select the line segment, all segments of the poly-line and one of the remaining unconstrained sides of the rectangle <br /><br />
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<a href="https://www.freecadweb.org/wiki/index.php?title=File:EqualConstraint6.png" class="image"><img alt="EqualConstraint6.png" src="256px-EqualConstraint6.png" width="256" height="184" srcset="/wiki/images/thumb/d/d6/EqualConstraint6.png/384px-EqualConstraint6.png 1.5x, /wiki/images/d/d6/EqualConstraint6.png 2x" /></a><br /><br />
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and apply the Constrain Equal <a href="https://www.freecadweb.org/wiki/index.php?title=File:Constraint_EqualLength.png" class="image"><img alt="Constraint EqualLength.png" src="16px-Constraint_EqualLength.png" width="16" height="16" srcset="/wiki/images/thumb/b/bb/Constraint_EqualLength.png/24px-Constraint_EqualLength.png 1.5x, 32px-Constraint_EqualLength.png 2x" /></a> constraint as before.<br /><br />
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<a href="https://www.freecadweb.org/wiki/index.php?title=File:EqualConstraint7.png" class="image"><img alt="EqualConstraint7.png" src="256px-EqualConstraint7.png" width="256" height="184" srcset="/wiki/images/thumb/7/7d/EqualConstraint7.png/384px-EqualConstraint7.png 1.5x, /wiki/images/7/7d/EqualConstraint7.png 2x" /></a><br /><br />
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Select the line segment and the arc<br /><br />
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<a href="https://www.freecadweb.org/wiki/index.php?title=File:EqualConstraint8.png" class="image"><img alt="EqualConstraint8.png" src="256px-EqualConstraint8.png" width="256" height="184" srcset="/wiki/images/thumb/d/d8/EqualConstraint8.png/384px-EqualConstraint8.png 1.5x, /wiki/images/d/d8/EqualConstraint8.png 2x" /></a><br /><br />
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and apply the Constrain Equal <a href="https://www.freecadweb.org/wiki/index.php?title=File:Constraint_EqualLength.png" class="image"><img alt="Constraint EqualLength.png" src="16px-Constraint_EqualLength.png" width="16" height="16" srcset="/wiki/images/thumb/b/bb/Constraint_EqualLength.png/24px-Constraint_EqualLength.png 1.5x, 32px-Constraint_EqualLength.png 2x" /></a> constraint as before. A pop-up message indicates that the constrained items have to be of the same geometrical type (lines of zero curvature or lines of non-zero curvature).<br /><br />
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<a href="https://www.freecadweb.org/wiki/index.php?title=File:EqualConstraint9.png" class="image"><img alt="EqualConstraint9.png" src="256px-EqualConstraint9.png" width="256" height="184" srcset="/wiki/images/thumb/c/c9/EqualConstraint9.png/384px-EqualConstraint9.png 1.5x, /wiki/images/c/c9/EqualConstraint9.png 2x" /></a>
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</p>
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</div>
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</div>
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</div><div class="printfooter">
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Online version: "<a dir="ltr" href="https://www.freecadweb.org/wiki/index.php?title=Constraint_EqualLength/sv&oldid=95484">http://www.freecadweb.org/wiki/index.php?title=Constraint_EqualLength/sv&oldid=95484</a>"</div>
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