<html><head></head><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:16px"><div><span></span></div><div id="yui_3_16_0_ym19_1_1522330818032_16960"><span>Alan,</span></div><div id="yui_3_16_0_ym19_1_1522330818032_16959"><span><br></span></div><div id="yui_3_16_0_ym19_1_1522330818032_16887"><span id="yui_3_16_0_ym19_1_1522330818032_16888">Search the internet for press fit, bore, shaft...something like that...I found a tooling handbook that had a chart describing how large a bore to produce different levels of "press fit", from kinda-loose to needing a hydraulic press for insertion. Wish I had book marked that web page now.</span></div><div id="yui_3_16_0_ym19_1_1522330818032_16887"><span><br></span></div><div id="yui_3_16_0_ym19_1_1522330818032_16887"><span>Jon</span></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522330818032_16820"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1522330818032_16825" style="display: block;"> <div style="font-family: times new roman, new york, times, serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1522330818032_16824"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1522330818032_16823"> <div dir="ltr" id="yui_3_16_0_ym19_1_1522330818032_16822"> <font size="2" face="Arial" id="yui_3_16_0_ym19_1_1522330818032_16821"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> Alan via Personal_Submersibles <personal_submersibles@psubs.org><br> <b><span style="font-weight: bold;">To:</span></b> personal_submersibles@psubs.org <br> <b><span style="font-weight: bold;">Sent:</span></b> Thursday, March 29, 2018 5:35 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> [PSUBS-MAILIST] Press Fit<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_ym19_1_1522330818032_17016"><br><div dir="ltr" id="yui_3_16_0_ym19_1_1522330818032_17017">Hi, <br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1522330818032_17018">I'm wanting to press fit a bearing in to my aluminium thruster housing<br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1522330818032_17019">& wondering if I could make a tool slightly less in diameter than my bearing,<br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1522330818032_17020">fit it in the lathes tail stock, & wind it in to force the bearing in to the press fit.<br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1522330818032_17021"> I have heard figures like 500lb force being used for press fitting, which I<br></div><div dir="ltr">won't get winding the tail stock, & probably don't require as there is not a <br></div><div dir="ltr">lot of dynamic force on the bearing. <br></div><div dir="ltr"> I imagine there will be a lot of trial & error involved getting the bore to<br></div><div dir="ltr">the right diameter, & this method will allow me to keep the work in the chuck<br></div><div dir="ltr">& keep doing fine passes until I get it to the right diameter.<br></div><div dir="ltr">Any thoughts or experience with this thanks.<br></div><div dir="ltr">Alan<br></div><div dir="ltr"><br></div><div dir="ltr">Sent from my iPad<br></div><div dir="ltr"><br></div><div dir="ltr">_______________________________________________<br></div><div dir="ltr">Personal_Submersibles mailing list<br></div><div dir="ltr"><a ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br></div><div dir="ltr"><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br></div><br><br></div> </div> </div> </div></div></body></html>