Finished building the MK4 kit and placed it in the enclosure, first few prints have been great.
Finished building the MK4 kit and placed it in the enclosure, first few prints have been great.
After a few hickups I finished building my MK4 kit and Tukkari enclosure. The first few prints have been fantastic.
My MK4 kit had a couple bad bearings, so I replaced all the bearings and rods on the X and Y axes with MISUMI equivalents. I noticed that they have a fair bit less slop in the movement and are overall quieter.
I also made a custom G10+steel print sheet, and it's working exceptionally well with PETG. It sticks strongly while hot, and doesn't release until the bed drops below about 40 deg C at which point parts pop off easily. It leaves a super gloss surface on the first layer as well. If anyone is interested in building one, here are the parts I used:
(253.8x241mm steel sheet) https://www.aliexpress.us/item/2251832760691866.html
(white 250x240x1mm g10 sheet) https://www.aliexpress.us/item/2255801004367032.html
I bonded them together with 3M 200MP double-stick tape (which is thin, strong, and heat-resistant) and filed notches in the g10 to match the sheet. I didn't abrade the G10, PETG sticks perfectly while glossy. I was very careful about cleaning it with iso. alcohol before printing, and I wipe it again every print or two.
The filament dryer is a Sunlu S1 Plus, which has a built-in fan to circulate air for better drying. I printed this guide and used a PC4-M10 fitting and 4mm OD teflon tube with it to reduce friction into the enclosure:
https://www.thingiverse.com/thing:5234489
I'm quite happy with the setup. It is a little noisier in the enclosure than just on the table due to the melamine particle board panel vibrating while suspended on its plastic feet. I'll set it on foam and/or a paver eventually to improve this.
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Congratulations on getting everything set up! I like the case. I had a LACK case for my MK3 but I'm not going to use it my MK4. I don't like having to disconnect the PS to get the printer out of the LACK.
How do you like the case?
I added XT60 connectors to the middle of my hotend and heated bed cables, plus a JST in the middle of the power panic wire so it's quick to connect and disconnect.
The XT60s are way overkill in terms of the current they can handle vs what the printer puts out, but I trust them to stay firmly connected and they're really easy to solder... and I had a bag of them.
Case is great, I like not having to mess with moving the power supply or display. It's designed around having the PSU inside the enclosure, with dedicated air ducting to the PSU vents. It is a little noisy with the printer vibrating the melamine base like a drum on top of the enclosure's plastic feet... I'll suspend it on foam and/or a paver someday. It also removed the hot plastic smell from the room entirely (I'm sensitive to it).