topic dimension question... in 3D Part & Assembly Design https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/dimension-question/m-p/237845#M41379 <HTML><HEAD></HEAD><BODY><SPAN>Small "e" should be for shaft size, not hole size. A "27 e9" shaft would have a valid range of 26.908 - 26.960. A "26 E9" hole would have a valid range of 27.040 - 27.092.</SPAN><BR /><BR /><SPAN>Values were pulled from this page: </SPAN><A href="http://www.amesweb.info/FitTolerance/FitTolerance.aspx" style="&gt;http://www.amesweb.info/FitTolerance/FitTolerance.aspx&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;Tom U.&lt;br /&gt;&lt;br /&gt;[cid:image001.png@01CF0BC8.3740EBC0]&lt;br /&gt;&lt;/body&gt;"></A></BODY></HTML> Tue, 07 Jan 2014 22:47:56 GMT TomU 2014-01-07T22:47:56Z dimension question... https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/dimension-question/m-p/237841#M41375 Just wondering if anyone knows what he tolerance spec "e9" means next toa dimension. I have a customer part with a diameter dimensioned 27e9.Its metric, so the diameter is 27mm. Just not sure what the tolerancewould be. Thanx in advanceTony Sun, 13 Dec 2020 02:54:14 GMT https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/dimension-question/m-p/237841#M41375 A.DelNegro 2020-12-13T02:54:14Z dimension question... https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/dimension-question/m-p/237842#M41376 <HTML><HEAD></HEAD><BODY><A href="http://toolingsolutions.com/technical_info/iso_tolerance" style="&gt;http://toolingsolutions.com/technical_info/iso_tolerance&lt;/a&gt;&lt;br /&gt;&lt;/body&gt;"></A></BODY></HTML> Tue, 07 Jan 2014 22:33:52 GMT https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/dimension-question/m-p/237842#M41376 BenLoosli 2014-01-07T22:33:52Z dimension question... https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/dimension-question/m-p/237843#M41377 <HTML><HEAD></HEAD><BODY><BR /><SPAN>Tony,</SPAN><BR /><BR /><SPAN>It is defined in the ISO dimension standards</SPAN><BR /><BR /><SPAN>Regards,</SPAN><BR /><BR /><SPAN>Ron</SPAN></BODY></HTML> Tue, 07 Jan 2014 22:37:56 GMT https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/dimension-question/m-p/237843#M41377 RonWerner 2014-01-07T22:37:56Z dimension question... https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/dimension-question/m-p/237844#M41378 <HTML><HEAD></HEAD><BODY><SPAN>Hi Tony,</SPAN><BR /><BR /><SPAN>The tolerance on your nominal dimension of 27 is -40 to -92 in micron.</SPAN><BR /><BR /><SPAN>Regards, Hugo.</SPAN><BR /><BR /></BODY></HTML> Tue, 07 Jan 2014 22:41:02 GMT https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/dimension-question/m-p/237844#M41378 HugoHermans 2014-01-07T22:41:02Z dimension question... https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/dimension-question/m-p/237845#M41379 <HTML><HEAD></HEAD><BODY><SPAN>Small "e" should be for shaft size, not hole size. A "27 e9" shaft would have a valid range of 26.908 - 26.960. A "26 E9" hole would have a valid range of 27.040 - 27.092.</SPAN><BR /><BR /><SPAN>Values were pulled from this page: </SPAN><A href="http://www.amesweb.info/FitTolerance/FitTolerance.aspx" style="&gt;http://www.amesweb.info/FitTolerance/FitTolerance.aspx&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;Tom U.&lt;br /&gt;&lt;br /&gt;[cid:image001.png@01CF0BC8.3740EBC0]&lt;br /&gt;&lt;/body&gt;"></A></BODY></HTML> Tue, 07 Jan 2014 22:47:56 GMT https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/dimension-question/m-p/237845#M41379 TomU 2014-01-07T22:47:56Z dimension question... https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/dimension-question/m-p/237846#M41380 <HTML><HEAD></HEAD><BODY><SPAN>Thanx everyone for the quick replies. I knew it was an ISO tolerance,</SPAN><BR /><SPAN>just didn't have the info.</SPAN><BR /><BR /><SPAN> </SPAN><BR /><BR /><SPAN>Tony</SPAN><BR /><BR /><SPAN> </SPAN><BR /></BODY></HTML> Tue, 07 Jan 2014 23:01:42 GMT https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/dimension-question/m-p/237846#M41380 A.DelNegro 2014-01-07T23:01:42Z