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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One thing’s missing though…
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- And then they hit the back button and check out the other search results instead.
- Bottom line – you got an eyeball, but nothing else to show for it.
- There they go.
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Hey, this is Eric and I ran across lukeslabonline.com a few minutes ago.
Looks great… but now what?
By that I mean, when someone like me finds your website – either through Search or just bouncing around – what happens next? Do you get a lot of leads from your site, or at least enough to make you happy?
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Good day,
My name is Eric and unlike a lot of emails you might get, I wanted to instead provide you with a word of encouragement – Congratulations
What for?
Part of my job is to check out websites and the work you’ve done with lukeslabonline.com definitely stands out.
It’s clear you took building a website seriously and made a real investment of time and resources into making it top quality.
There is, however, a catch… more accurately, a question…
So when someone like me happens to find your site – maybe at the top of the search results (nice job BTW) or just through a random link, how do you know?
More importantly, how do you make a connection with that person?
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Here’s a way to create INSTANT engagement that you may not have known about…
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. It lets you know INSTANTLY that they’re interested – so that you can talk to that lead while they’re literally checking out lukeslabonline.com.
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It could be a game-changer for your business – and it gets even better… once you’ve captured their phone number, with our new SMS Text With Lead feature, you can automatically start a text (SMS) conversation – immediately (and there’s literally a 100X difference between contacting someone within 5 minutes versus 30 minutes.)
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Everything I’ve just described is simple, easy, and effective.
CLICK HERE https://jumboleadmagnet.com to discover what Talk With Web Visitor can do for your business.
You could be converting up to 100X more 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