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Showing posts with the label Smoke Alarm

Update: Testing and cable tidying

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I have now completed the cabling to the extruder carriage (except, see below) and have tested each part successfully. This has included a 5V feed for the Noctua fan which I have now installed. All of the parts seem to be working well. This includes the new shielded stepper cable which is now in place for the extruder motor. The other end of the cable goes into four positions in a 20-way socket and plug. This seems to work well and I can now create a similar cable for the X axis motor which will be the final element to connect through the new cable chains. All of the steppers will then terminate in this connector, allowing all to be removed if needed and for the shielding to be earthed at this common point. I am now left with a lot of cables and connectors on the carriage for which I am having to create mounts. For example, my BL-Touch mount has been modified to create built-in ribbon cable slots, to hold the cables more flushly than with the original cable tie base which was a little p...

Update: Where there's smoke...

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Today I have been working on preparing things for the weekend's upgrades.  The next batch of components are printing for the left of the two storage drawers. You can also see the X axis cable chain which is the high priority for the weekend: to move the cabling into it.  I also received the following delivery today It's a wireless smoke alarm. It functions exactly as a normal smoke alarm, but also links into a Sonoff bridge. This means that I can create a very simple power kill on the printer in the event of smoke. I have just installed one on my Creator Pro too (which has had a conventional smoke alarm for some time) and it seems to test well. I trip the smoke alarm and the printer powers off almost immediately. It's not foolproof, of course, but it's certainly far better than not having it.  I have also created a simple bracket concept, with a cover, to mount it on the Z-axis gantry. The other thing I've been looking at today are Z axis pull rods. These will help ...