<div id="heading"><h3 class="berschrift3"><a name="mod_1545301188608_0001"></a><a name="Text_mod_1545301188608_0001"></a><a name="_Toc227140488"></a>Third limit [clamping length]</h3></div><p class="HText">The clamping length must not be less than the minimum length required for clamping .</p><p class="HText">The front-end length of the clamping head  is not considered at all here.</p><div><table cellspacing="0" style="border-collapse:collapse;margin-left:-141.75pt;table-layout:fixed;"><colgroup><col style="width:141.75pt;"><col style="width:317.5pt;"></colgroup><tr style="height:7.1pt;"><td style="background-color:transparent;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HGrafik"> </p></td><td style="background-color:#DDDDDD;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText">With offset clamping bores [head bore], it may be necessary to take account of a relief groove in the clamping head when establishing the clamping length.</p></td></tr></table></div><p class="HTabellenende"> </p><div><table cellspacing="0" style="border-collapse:collapse;margin-left:-141.75pt;table-layout:fixed;width:459.25pt;"><colgroup><col style="width:142.65pt;"><col style="width:316.6pt;"></colgroup><tr style="height:7.1pt;"><td style="background-color:transparent;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HGrafik"><span style="font-family:Times New Roman;font-size:12.0pt;"><img height="332" src="images/image_34.png" width="181"></span></p><p class="HLegendeBuchstabe">WS    Workpiece</p></td><td style="background-color:transparent;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText">The clamping length is calculated as follows:</p><p class="HText"> </p><p class="HText">applies in all cases </p><p class="HText"><span style="font-weight:bold;">In addition, </span>the following applies:</p><div><table cellspacing="0" style="border-collapse:collapse;table-layout:fixed;width:317.5pt;"><colgroup><col style="width:95.25pt;"><col style="width:222.25pt;"></colgroup><tr><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText">[when using clamping heads with a smooth clamping bore]</p></td></tr><tr><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText">[when using clamping heads with longitudinal and transverse grooves]</p><p class="HText">When using clamping heads with a closed first tunnel, different details apply which may be even higher. Consult the manufacturer for these details.</p></td></tr><tr><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText">[when using clamping heads with Z serrations]</p></td></tr><tr><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText">[when using clamping heads with </p><p class="HText">F serrations]</p></td></tr></table></div><p class="HText"> </p></td></tr></table></div><p class="HText">If HAINBUCH uses a different and shorter clamping length in this clamping situation drawing, this will have been checked against the specific parameters for this type of application and found to be sufficient.</p><p class="dlModulbegrenzung0"> </p>