[TriEmbed] Fwd: Is anyone here a JST Connector Wizard

[Trampas Stern]

yea I have the same issue, sent images of the process and it is waiting for
moderator approval.


On Wed, Jun 26, 2024 at 7:37 PM Glen Smith via TriEmbed <
triembed at triembed.org> wrote:

> Apparently my photo made the message too large for the server, I think I
> removed it this time.
>
> ---------- Forwarded message ---------
> From: Glen Smith <mrglenasmith at gmail.com>
> Date: Wed, Jun 26, 2024, 6:16 PM
> Subject: Re: [TriEmbed] Is anyone here a JST Connector Wizard
> To: Rick DeNatale <rick.denatale at gmail.com>
> Cc: TriEmbed Discussion <triembed at triembed.org>
>
>
> I won't claim expert level, but after reading this write up:
> https://iotexpert.com/jst-connector-crimping-insanity/
> 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.
>
> 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.
>
> Glen
>
> On Wed, Jun 26, 2024, 5:37 PM Rick DeNatale via TriEmbed <
> triembed at triembed.org> wrote:
>
>> I’m convinced that these things are the invention of the devil!
>>
>> Despite my best efforts, I’d guess i have about a 20% yield crimping JST
>> terminals.
>>
>> I’ve bought several crimping tools.
>> https://www.amazon.com/gp/product/B01N4L8QMW/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
>>  and
>> https://www.amazon.com/gp/product/B078WNZ9FW/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 were
>> recommended by various YouTube videos.
>>
>> 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.
>>
>> 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.
>>
>> 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.
>>
>> Is my problem with the terminals? I’ve been buying kits from Amazon.
>> Would i be better off with a different vendor like Digikey?
>>
>> Any advice gladly appreciated.
>>
>> ——
>> Rick DeNatale
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