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<a name = "hj-top"> </a><table class = "table1" id = "table11"><tr><td><table class = "DocHeader"><tr><td class = "DocHeader1" colspan = "2"><h1>Defining a Stamping Restriction</h1></td></tr><tr><td class = "DocHeader4" colspan = "2"/></tr><tr><td class = "DocHeader3"><table class = "DocHeaderIntro" id = "table12"><tr><td class = "Intro1Only"><p class = "shortdesc"> The stamping restriction means the following: If one element is removed
from the structure, all elements positioned either behind or in front
of the element (with respect to the pull direction) are removed too.

</p></td></tr></table></td><td class = "DocHeader2"><table class = "DocTopicsSeeAlso" id = "table13"><tr><td class = "TopicsTitle">See Also</td></tr><tr><td><a title = "You can define demold restrictions to ensure a demoldable surface." href = "tso-t-user-TopOpt-DesArea-DemCon.htm#tso-t-user-TopOpt-DesArea-DemCon">Defining Demold Restrictions</a></td></tr><tr><td><a title = "This section gives information how undercuts in optimized models can be prevented using design variable constraints." href = "tso-c-user-TopOpt-DesArea-Undercut.htm#tso-c-user-TopOpt-DesArea-Undercut">About Prevention of Undercuts in the Model</a></td></tr></table></td></tr></table>




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<p>The stamping restriction is a variant of the demold manufacturing constraint,
with the <span class = "ph uicontrol">MID_PLANE</span> parameter set to <span class = "ph uicontrol">STAMP</span>.</p>
<p>The following figure shows the stamping restriction for a crane hook:</p><table class = "table" id = "tso-c-user-TopOpt-DesArea-StaRes__ag711350"><caption/><colgroup><col/></colgroup><tbody class = "tbody">
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<td class = "entry"><br/><img class = "image" id = "tso-c-user-TopOpt-DesArea-StaRes__image_5A9F301511D248239757D4168BD1ACC2" src = "../TsoUserImages/topo_stamping_crane_hook.png" width = "175" height = "264"/><br/></td>
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</tbody></table>

<p><table class = "Remark" id = "table132"><tr><td class = "Remark"><span class = "run-in.important">Important:
				</span><span class = "notecontent">The speed (step width) should not be set too high if the stamping restriction
is activated for the optimization. An unsuitable choice leads to a detaching of the supports
 to the rest of the structure.</span></td></tr></table>
</p>
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