Looms
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Whats are peoples thoughts about wiring looms?
I hate the mess of cables, and would much rather have a loom on the printer, a loom on the duet and one or two connectors that link them. Looking at 2 x 24 pin molex at the moment. Will make it really easy swappping boards out between printers too. x
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there are some people on the forum who used cat 5/6 cables to reduce the number of wires.
i used a nylon sleeve from an old atx power supply to make the cables neat.
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Additional connectors introduce additional failure points, so it's a tossup between convenience and reliability. Add more connectors for tool changer / quick change and any search for a bad connection becomes a long ordeal rather than checking both ends of a cable.
Tidy wire routing on the other hand is an underappreciated form of craftsmanship (-:
<>RatRig V-Minion Fly Super5Pro RRF<> V-Core 3.1 IDEX k*****r <> RatRig V-Minion SKR 2 Marlin<>
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I tried Cat 5 but didn't like the bulk.
A standardised loom would be cool, be like having a plugin ecu, that could be whipped in and out easily.
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Additional connectors introduce additional failure points, so it's a tossup between convenience and reliability. Add more connectors for tool changer / quick change and any search for a bad connection becomes a long ordeal rather than checking both ends of a cable.
Tidy wire routing on the other hand is an underappreciated form of craftsmanship (-:
Yes indeed on both counts!
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The Duet 0.6 had a header for a wiring loom, 40 pin AFAIR, but it never took off so it was dropped in subsequent Duets.
For Duet 3 we've made some prototype tool head boards, so that only power and CAN bus need to go to the tool instead of 10 to 16 wires.
Duet WiFi hardware designer and firmware engineer
Please do not ask me for Duet support via PM or email, use the forum
http://www.escher3d.com, https://miscsolutions.wordpress.com -
@dc42 Yes I saw the tool boards and the Duet3 at TCT and I want them!!!
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I use several different sizes of this:
https://www.canford.co.uk/TECHFLEX-BRAIDED-SLEEVING-Split-Spring-Wrap
(from a differnt supplier but these guys look much cheaper
)
All my external wiring on the Printer and CNC uses this and the effect is great.
For the Delta's main loom I use a softer and more flexible version (sorry, no link) and it is really nice being able to carefully re-run a single cable without disturbing the rest.
