Molex Connectors crimp pins for the stepper mottors

Assembly questions and answers for the Shapeoko 3 CNC Mill
lorenolepi
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Joined: Wed Feb 17, 2016 5:16 pm
Location: CT

Molex Connectors crimp pins for the stepper mottors

Post by lorenolepi » Fri Mar 25, 2016 12:00 pm

Does anyone know what crimp pins are used for the stepper motors? I made a cable chain for my unit and had to disconnect the wires from the molex connector to fish them through the chain.
unfortunately a few connectors wouldn't pop back in/broke. I ended up ordering the smaller ones listed on the wiki (http://www.digikey.com/product-detail/e ... 4-ND/26475) but I'm thinking those were for 2 pin-connectors as they are to small..... whomp whomp. I looked for molex KK .2" rectangular connectors but didn't find any.
Attachments
IMG_20160323_210029.jpg
Printed Cable Chain
IMG_20160323_210029.jpg (189.8 KiB) Viewed 1217 times

twforeman
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Re: Molex Connectors crimp pins for the stepper mottors

Post by twforeman » Fri Mar 25, 2016 1:08 pm

Ender 3 3D Printer
ShapeOko v3 serial #0004 - upgrade thread
All of my ShapeOko related blog posts

swhillier
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Joined: Mon Jan 12, 2015 3:47 pm

Re: Molex Connectors crimp pins for the stepper mottors

Post by swhillier » Fri Mar 25, 2016 2:25 pm

Unfortunately a little late for your X-axis extrusion wiring but if you also do a cable chain for the Y-Axis then you might want to go with an open chain. I've been printing off the following open chain pieces that I created by modifying a cable chain I found on thingiverse.
Chain-Segment-R5 v2.png
Chain segment
Chain-Segment-R5 v2.png (79.87 KiB) Viewed 1203 times
Getting the snap in closure the right size takes some playing around and then I switched slicers halfway through and had do the playing around again. So far I'm about a third of the way through printing off the chain I'll use for my USB and power cables on the right Y extrusion.
IMG_20160325_101106.jpg
Printed cable chain
IMG_20160325_101106.jpg (221.8 KiB) Viewed 1203 times

lorenolepi
Posts: 21
Joined: Wed Feb 17, 2016 5:16 pm
Location: CT

Re: Molex Connectors crimp pins for the stepper mottors

Post by lorenolepi » Fri Mar 25, 2016 6:03 pm

Awesome! Thanks for the tips!
I will look into those cable chains as that is way more convenient.... that and I'm not a fan of the yellow on yellow :shock:

swhillier
Posts: 50
Joined: Mon Jan 12, 2015 3:47 pm

Re: Molex Connectors crimp pins for the stepper mottors

Post by swhillier » Fri Mar 25, 2016 6:46 pm

Here's a link to an IGES file of the cable segment I'm using. You should be able to load it into your 3D CAD package and modify as needed. I've been using Fusion 360.

https://dc1.safesync.com/LMHSnzgf/Stuff ... xaGSDVzVX0

Because of the small tolerances I've found that I needed to play with the closure piece to get it to fit without distorting the main segment body. Took me a half dozen tries to get it to fit. I've also been using ABS so it has a bit of flex to snap the pieces together without breaking them.

lorenolepi
Posts: 21
Joined: Wed Feb 17, 2016 5:16 pm
Location: CT

Re: Molex Connectors crimp pins for the stepper mottors

Post by lorenolepi » Sun Mar 27, 2016 4:40 pm

swhillier wrote:Here's a link to an IGES file of the cable segment I'm using. You should be able to load it into your 3D CAD package and modify as needed. I've been using Fusion 360.

https://dc1.safesync.com/LMHSnzgf/Stuff ... xaGSDVzVX0

Because of the small tolerances I've found that I needed to play with the closure piece to get it to fit without distorting the main segment body. Took me a half dozen tries to get it to fit. I've also been using ABS so it has a bit of flex to snap the pieces together without breaking them.
Thanks! I will give it a try. I use NX so IGS is perfect.
Also your prints look MINT!
Last edited by lorenolepi on Sun Mar 27, 2016 4:42 pm, edited 1 time in total.

lorenolepi
Posts: 21
Joined: Wed Feb 17, 2016 5:16 pm
Location: CT

Re: Molex Connectors crimp pins for the stepper mottors

Post by lorenolepi » Sun Mar 27, 2016 4:41 pm

Here was the response I got from Jorge on the support side on the connectors
"Here's the digikey part number for those pins: WM2303-ND
If you need the connector: WM2113-ND"

swhillier
Posts: 50
Joined: Mon Jan 12, 2015 3:47 pm

Re: Molex Connectors crimp pins for the stepper mottors

Post by swhillier » Mon Mar 28, 2016 12:12 am

lorenolepi wrote: Thanks! I will give it a try. I use NX so IGS is perfect.
Also your prints look MINT!
Thanks. I finished the cable chain up and posted a picture with links to the design files on the Fusion 360 public share here: http://www.shapeoko.com/forum/viewtopic.php?f=11&t=7883

lorenolepi
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Joined: Wed Feb 17, 2016 5:16 pm
Location: CT

Re: Molex Connectors crimp pins for the stepper mottors

Post by lorenolepi » Tue Apr 05, 2016 4:42 pm

lorenolepi wrote:Here was the response I got from Jorge on the support side on the connectors
"Here's the digikey part number for those pins: WM2303-ND
If you need the connector: WM2113-ND"

These parts worked mint!

ozark4
Posts: 1
Joined: Sat Apr 04, 2015 7:39 pm

Re: Molex Connectors crimp pins for the stepper mottors

Post by ozark4 » Tue Apr 05, 2016 7:37 pm

Sir, I see you have a nice dust shoe in the photo.
Could you tell me where I can find one like this?
Of course if you don't mind.

Thank You,
Regards,
ozark4

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