<div id="heading"><h3 class="berschrift3"><a name="mod_1546856174754_0001"></a><a name="Text_mod_1546856174754_0001"></a><a name="_Toc227140490"></a>Sample calculation</h3></div><p class="HTextfett">Applied to a specific example</p><p class="HText">Longitudinal turning of an offset shaft made of 16MnCr5 [blank clamping diameter] unsupported in a horizontal position.</p><p class="HTextfett">Workpiece data</p><ul class="hb-list hb-list--bullet hb-list--square"><li class="hb-list__item">Clamping diameter</li><li class="hb-list__item">Workpiece length  [ blank]</li><li class="hb-list__item">Machining diameter of turning operation</li><li class="hb-list__item">Workpiece mass</li></ul><p class="HText">    → </p><p class="HText">    → </p><p class="HTextfett">Process data</p><ul class="hb-list hb-list--bullet hb-list--square"><li class="hb-list__item">Speed</li><li class="hb-list__item">Feed</li><li class="hb-list__item">Chip-cutting depth</li><li class="hb-list__item">Use of cooling lubricant</li><li class="hb-list__item">Total clamping length</li></ul><p class="HTextfett">Clamping head chuck</p><p class="dlModulbegrenzung0"> </p><ul class="hb-list hb-list--bullet hb-list--square"><li class="hb-list__item">Pull-back TOPlus size 65</li><li class="hb-list__item">Clamping head used<ul class="hb-list hb-list--bullet hb-list--square hb-list--sub"><li class="hb-list__item">Smooth</li><li class="hb-list__item">Clamping diameter of clamping head</li><li class="hb-list__item">Front-end length</li></ul></li></ul><p class="HTextfett">Detailed observation</p><p class="HText">This satisfies the first condition, which is that the unclamping length must not exceed six times the clamping diameter.</p><p class="HText">This also satisfies the second condition, which is that the workpiece mass must not exceed   of size 65 of clamping head chuck.</p><p class="HText">This more than satisfies the third condition, which is that the workpiece must at least be clamped with , with a clamping length of .</p><p class="HText">To check the fourth condition, the required level of clamping force needs to be established first, in accordance with Principle 1.</p><div><table cellspacing="0" style="border-collapse:collapse;margin-left:-141.75pt;table-layout:fixed;width:459.25pt;"><colgroup><col style="width:141.75pt;"><col style="width:28.35pt;"><col style="width:35.45pt;"><col style="width:253.7pt;"></colgroup><tr style="height:14.15pt;"><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HMarginalie"> </p></td><td rowspan="6" style="background-color:transparent;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="Tabelleberschrift"><img alt="Grafik 10" height="26" src="images/image_4.png" width="30"></p></td><td colspan="2" style="background-color:#DDDDDD;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HHinweisfett">INFORMATION</p></td></tr><tr style="height:26.3pt;"><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HMarginalie"> </p></td><td style="background-color:#DDDDDD;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="background-color:#DDDDDD;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText">from --- fehlender Linktext ---</p></td></tr><tr style="height:26.3pt;"><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HMarginalie"> </p></td><td style="background-color:#DDDDDD;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="background-color:#DDDDDD;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText">from --- fehlender Linktext ---</p></td></tr><tr style="height:26.3pt;"><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HMarginalie"> </p></td><td style="background-color:#DDDDDD;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="background-color:#DDDDDD;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText">from --- fehlender Linktext --- [interpolated for ]</p></td></tr><tr style="height:26.3pt;"><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HMarginalie"> </p></td><td style="background-color:#DDDDDD;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="background-color:#DDDDDD;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText">from --- fehlender Linktext ---</p></td></tr><tr style="height:26.3pt;"><td style="padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HMarginalie"> </p></td><td style="background-color:#DDDDDD;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="background-color:#DDDDDD;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText">from --- fehlender Linktext ---</p></td></tr></table></div><p class="HTabellenende"> </p><div><table cellspacing="0" class="Tabellenraster" style="border-collapse:collapse;margin-left:-142.0pt;table-layout:fixed;width:459.2pt;"><colgroup><col style="width:134.9pt;"><col style="width:6.8pt;"><col style="width:317.5pt;"></colgroup><tr style="height:14.15pt;"><td style="border:solid #FF0000 1px;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;">I</p></td><td style="border-top:none;border-right:solid #FF0000 1px;border-bottom:none;border-left:solid #FF0000 1px;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:solid #FF0000 1px;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText"> </p></td></tr></table></div><p class="HZwischenraum"> </p><div><table cellspacing="0" class="Tabellenraster" style="border-collapse:collapse;margin-left:-141.75pt;table-layout:fixed;width:459.2pt;"><colgroup><col style="width:134.9pt;"><col style="width:6.8pt;"><col style="width:28.3pt;"><col style="width:289.2pt;"></colgroup><tr style="height:14.15pt;"><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText">from --- fehlender Linktext --- </p><p class="HText">from --- fehlender Linktext --- </p></td></tr><tr style="height:14.15pt;"><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td colspan="2" style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText"> </p></td></tr></table></div><p class="HZwischenraum"> </p><div><table cellspacing="0" class="Tabellenraster" style="border-collapse:collapse;margin-left:-142.0pt;table-layout:fixed;width:459.2pt;"><colgroup><col style="width:134.9pt;"><col style="width:6.8pt;"><col style="width:28.3pt;"><col style="width:289.2pt;"></colgroup><tr style="height:14.15pt;"><td style="border:solid #FF0000 1px;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;">II</p></td><td style="border-top:none;border-right:none;border-bottom:none;border-left:solid #FF0000 1px;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border-top:none;border-right:solid #FF0000 1px;border-bottom:none;border-left:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:solid #FF0000 1px;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText"> </p></td></tr></table></div><p class="HZwischenraum"> </p><div><table cellspacing="0" class="Tabellenraster" style="border-collapse:collapse;margin-left:-141.75pt;table-layout:fixed;width:459.2pt;"><colgroup><col style="width:134.9pt;"><col style="width:6.8pt;"><col style="width:28.3pt;"><col style="width:28.35pt;"><col style="width:260.85pt;"></colgroup><tr style="height:14.15pt;"><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText">from --- fehlender Linktext --- , </p></td></tr><tr style="height:14.15pt;"><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText">Turning:</p><p class="HText"> </p><p class="HText"> </p><p class="HText">Drilling:</p><p class="HText">Not relevant here because no drilling is envisaged. Therefore  and </p></td></tr><tr style="height:14.15pt;"><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td colspan="2" style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText"> </p><p class="HText"> </p></td></tr></table></div><p class="HZwischenraum"> </p><div><table cellspacing="0" class="Tabellenraster" style="border-collapse:collapse;margin-left:-142.0pt;table-layout:fixed;width:459.2pt;"><colgroup><col style="width:134.9pt;"><col style="width:6.8pt;"><col style="width:28.3pt;"><col style="width:289.2pt;"></colgroup><tr style="height:14.15pt;"><td style="border:solid #FF0000 1px;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;">III</p></td><td style="border-top:none;border-right:none;border-bottom:none;border-left:solid #FF0000 1px;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border-top:none;border-right:solid #FF0000 1px;border-bottom:none;border-left:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:solid #FF0000 1px;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText"> </p></td></tr></table></div><p class="HZwischenraum"> </p><div><table cellspacing="0" class="Tabellenraster" style="border-collapse:collapse;margin-left:-141.75pt;table-layout:fixed;width:459.2pt;"><colgroup><col style="width:134.9pt;"><col style="width:6.8pt;"><col style="width:28.3pt;"><col style="width:28.35pt;"><col style="width:260.85pt;"></colgroup><tr style="height:14.15pt;"><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText">, since the shaft should be surface-turned at the front end of the shaft.</p><p class="HText">, since the center of gravity is located centrally on the longitudinal axis of the workpiece.</p><p class="HText"> , corresponds to the total clamping length less the front-end length of the clamping head.</p><p class="HText"> , because of a longitudinal turning operation</p></td></tr><tr style="height:14.15pt;"><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td colspan="2" style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText"> </p><p class="HText"> </p></td></tr></table></div><p class="HZwischenraum"> </p><div><table cellspacing="0" class="Tabellenraster" style="border-collapse:collapse;margin-left:-142.0pt;table-layout:fixed;width:459.2pt;"><colgroup><col style="width:134.9pt;"><col style="width:6.8pt;"><col style="width:28.3pt;"><col style="width:289.2pt;"></colgroup><tr style="height:14.15pt;"><td style="border:solid #FF0000 1px;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;">IV</p></td><td style="border-top:none;border-right:none;border-bottom:none;border-left:solid #FF0000 1px;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border-top:none;border-right:solid #FF0000 1px;border-bottom:none;border-left:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:solid #FF0000 1px;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText"> </p></td></tr></table></div><p class="HZwischenraum"> </p><div><table cellspacing="0" class="Tabellenraster" style="border-collapse:collapse;margin-left:-141.75pt;table-layout:fixed;width:459.2pt;"><colgroup><col style="width:134.9pt;"><col style="width:6.8pt;"><col style="width:28.3pt;"><col style="width:28.35pt;"><col style="width:260.85pt;"></colgroup><tr style="height:14.15pt;"><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText">from --- fehlender Linktext ---: , </p></td></tr><tr style="height:14.15pt;"><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td colspan="2" style="border:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText"> </p><p class="HText"> </p></td></tr><tr style="height:14.15pt;"><td style="border-top:none;border-right:none;border-bottom:solid windowtext 1px;border-left:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HTextfett" style="text-align:center;"> </p></td><td style="border-top:none;border-right:none;border-bottom:solid windowtext 1px;border-left:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;"><p class="HText"> </p></td><td colspan="3" style="border-top:none;border-right:none;border-bottom:solid windowtext 1px;border-left:none;padding:2.85pt 2.85pt 2.85pt 2.85pt;vertical-align:middle;"><p class="HText"> </p><p class="HText"> </p><p class="HText"> </p></td></tr></table></div><p class="HText">Since the size 65 clamping head chuck can exert a maximum radial clamping force of , this satisfies Principle 1.</p><p class="HText">In this example, Principle 2 does not apply because work is performed without a tailstock in this case.</p><p class="HText">Principle 3 would also be satisfied, because the calculated cutting force of  is well below the limit of .</p><p class="HText">On the other hand, Principles 4 and 5 are immaterial in this example because both principles only need to be considered in relation to radial drilling operations.</p><p class="dlModulbegrenzung0"> </p><p class="HTextfett">Result of the sample calculation</p><p class="HText">All limits have been checked.</p><p class="HText">The axial actuation force is proportional to the radial clamping force and interpolation can therefore be used to determine this on the basis of the values for  and , as indicated on the clamping head chuck, or you can consult the clamping force diagram [see »Clamping force diagram« chapter].</p><p class="HText">When full axial force is exerted on the clamping head chuck with , nominal radial  forces are being applied to the workpiece.</p><p class="HText">In the example calculated here, an axial force of at least  must be applied, resulting in a radial clamping force of .</p><p class="HText">This satisfies condition .</p><p class="HText">Machining can then be performed.</p><p class="HText">The value is close to the limit value. This ensures that the clamping head chuck is in good condition in terms of the level of contamination.</p><p class="HText">It is advisable to conduct a check on radial clamping force using an appropriate clamping force meter before the machining operation. The values established must lie within an appropriate range for the rotational speed [see »Clamping force diagram« chapter].</p><p class="dlModulbegrenzung0"> </p>