<div dir="auto">The trick I would use all these years is to crimp down one wing over the insulation, then crimp the second wing over the first, then recrimp over both to squeeze it up maintaining that overlap.<div dir="auto"><br></div><div dir="auto">-sgh</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jun 26, 2024, 7:36 PM Glen Smith via TriEmbed <<a href="mailto:triembed@triembed.org">triembed@triembed.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">Apparently my photo made the message too large for the server, I think I removed it this time. </div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">---------- Forwarded message ---------<br>From: <strong class="gmail_sendername" dir="auto">Glen Smith</strong> <span dir="auto"><<a href="mailto:mrglenasmith@gmail.com" target="_blank" rel="noreferrer">mrglenasmith@gmail.com</a>></span><br>Date: Wed, Jun 26, 2024, 6:16 PM<br>Subject: Re: [TriEmbed] Is anyone here a JST Connector Wizard<br>To: Rick DeNatale <<a href="mailto:rick.denatale@gmail.com" target="_blank" rel="noreferrer">rick.denatale@gmail.com</a>><br>Cc: TriEmbed Discussion <<a href="mailto:triembed@triembed.org" target="_blank" rel="noreferrer">triembed@triembed.org</a>><br></div><br><br><div dir="auto">I won't claim expert level, but after reading this write up: <a href="https://iotexpert.com/jst-connector-crimping-insanity/" rel="noreferrer noreferrer noreferrer" target="_blank">https://iotexpert.com/jst-connector-crimping-insanity/</a><div dir="auto">Buying the Engineer PA-09 crimper and some practice I got to the point where I was getting 70-80% success rate on JST-PH (I think) connectors during robot season.</div><div dir="auto"><br></div><div dir="auto">My new Voron printer uses PH connectors for some stepper motors and FRC motor encoders use them as well. I found that good tweezers, magnification and peace and quiet helped considerably. I ordered from DigiKey. I'd be happy to meet and show my technique if it would help.</div><div dir="auto"><br></div><div dir="auto">Glen</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jun 26, 2024, 5:37 PM Rick DeNatale via TriEmbed <<a href="mailto:triembed@triembed.org" rel="noreferrer noreferrer noreferrer" target="_blank">triembed@triembed.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div dir="ltr">I’m convinced that these things are the invention of the devil!<div><br></div><div>Despite my best efforts, I’d guess i have about a 20% yield crimping JST terminals.</div><div><br></div><div>I’ve bought several crimping tools. <a href="https://www.amazon.com/gp/product/B01N4L8QMW/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1" rel="noreferrer noreferrer noreferrer noreferrer" target="_blank">https://www.amazon.com/gp/product/B01N4L8QMW/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1</a> and <a href="https://www.amazon.com/gp/product/B078WNZ9FW/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1" rel="noreferrer noreferrer noreferrer noreferrer" target="_blank">https://www.amazon.com/gp/product/B078WNZ9FW/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1</a> were recommended by various YouTube videos.</div><div><br></div><div>The second one works a bit better unlike the first it has you crimp the electrical contact first and then the mechanical crimp around the insulation. </div><div><br></div><div>My big problem is that the insulation crimp often doesn’t form correctly. Instead of wrapping around the insulation the wings just stick out straight.</div><div><br></div><div>Then either the terminal comes off the wire while removing the “tape” part, or when trying to to insert the terminal in the plastic shell.</div><div><br></div><div>Is my problem with the terminals? I’ve been buying kits from Amazon. Would i be better off with a different vendor like Digikey?</div><div><br></div><div>Any advice gladly appreciated.</div><div><br id="m_6372599284944581921m_2810488601829669892m_8158356984819267522m_-1746780147431527862lineBreakAtBeginningOfSignature"><div dir="ltr">——<div>Rick DeNatale</div></div></div></div></div>_______________________________________________<br>
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