Alright!
I’ve updated these parts of my design theory:
Z-Axis
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Switched around to a Maxwell-style mount – 10mm ball on the bed, couplers on the Rail Pieces
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For now, no Steel Spring Sheet. The plan is to mount the PEI directly to the bed for now, removes just one little bit of complexity.
X-Axis
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Steel Core was a bad idea. Switching back to regular Fiberglass-reinforced GT2 belts.
Frame
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Z+Y axis was Counterbored for 80-20 anchors.
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L brackets are not stiff enough for a large machine. I will be making custom corner gussets out of additional 2040 pcs that will go across the back.
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This will significantly stiffen the machine and doesn’t add much cost, only effort to properly counterbore the mitered pieces.
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Turns out Menards sells 8’x4’ ¼” HDPE sheets in black for around $50. This is what I’ll be using for my rear panel as well as the future enclosing parts.
Electronics
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Downgraded to 5” touchscreen, but upgraded to capacitive and higher-resolution
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Initially identified screen had compatibility issues with the RPI
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Will be creating PCB to take the power from any ATX power supply to split it out into its component voltages
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Will be capable of ~30A on the high-voltage side
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Has USB connector for 5V SB, so PI can be powered on at all times
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Allows remote wake up for scheduled prints
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PCB will be available for sale by itself.
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Mosfets will be used to provide polarity protection for units down stream
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Will be more costly than diodes, but avoids a pretty big voltage drop from a safety diode.
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Will be switching to toolchanger independent boards instead of the 3HC board, as the e3d Hermes seems to be the best option for modular tools
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Will have fully separated high-voltage and low-voltage sides – Means that when you’re operating on your wiring in the back, you’ll not have to worry about touching some powerful wires and getting zapped!
New features I want to try:
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Adding Spaghetti Detective support into duet!
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Automated tool addition with home “server” to allow for tool swapping between machines
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Automatic backlash calibration using probe
Some lessons learned:
Pieces bought from 80-20.net are significantly more expensive on top of NOT being the European standard. I was very used to being able to use hammer nuts in the European-style extrusion (drop in, don’t have to pre-place the parts/hardware. Would not recommend, but I didn’t know of any other places that had 20-4040 extrusion in the lengths I needed. It also didn’t tap on the ends as well as I expected it
Hardware, Hardware, Hardware – I’ve run out of every piece of hardware that I thought I had plenty of -m3x8mm for the linear rails, m5x8mm for the extrusion, hammer nuts, and a few other things. Crazy. Figure out what you think you need, and triple it. Just do it.
I’ll have a build log in the next few days posted with my current progress. Pretty pleased overall with how its coming together.
Stay Tuned!
10 comments
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Content looks pretty good…
One thing’s missing though…
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Your content’s pretty good, wouldn’t change a thing.
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Hello, my name’s Eric and I just ran across your website at lukeslabonline.com…
I found it after a quick search, so your SEO’s working out…
Content looks pretty good…
One thing’s missing though…
A QUICK, EASY way to connect with you NOW.
Because studies show that a web lead like me will only hang out a few seconds – 7 out of 10 disappear almost instantly, Surf Surf Surf… then gone forever.
I have the solution:
Talk With Web Visitor is a software widget that’s works on your site, ready to capture any visitor’s Name, Email address and Phone Number. You’ll know immediately they’re interested and you can call them directly to TALK with them – literally while they’re still on the web looking at your site.
CLICK HERE https://jumboleadmagnet.com to try out a Live Demo with Talk With Web Visitor now to see exactly how it works and even give it a try… it could be huge for your business.
Plus, now that you’ve got that phone number, with our new SMS Text With Lead feature, you can automatically start a text (SMS) conversation pronto… which is so powerful, because connecting with someone within the first 5 minutes is 100 times more effective than waiting 30 minutes or more later.
The new text messaging feature lets you follow up regularly with new offers, content links, even just follow up notes to build a relationship.
Everything I’ve just described is extremely simple to implement, cost-effective, and profitable.
CLICK HERE https://jumboleadmagnet.com to discover what Talk With Web Visitor can do for your business, potentially converting up to 100X more eyeballs into leads today!
Eric
PS: Talk With Web Visitor offers a FREE 14 days trial – and it even includes International Long Distance Calling.
You have customers waiting to talk with you right now… don’t keep them waiting.
CLICK HERE https://jumboleadmagnet.com to try Talk With Web Visitor now.
If you’d like to unsubscribe click here http://jumboleadmagnet.com/unsubscribe.aspx?d=lukeslabonline.com