3D Printer Makes a Loud 'Thudding' noise and then Layer Shifts
In this stable release, Cura 5.3 achieves yet another huge leap forward in 3D printing thanks to material interlocking! As well as introducing an expanded recommended print settings menu and lots of print quality improvements. Not to mention, a whole bunch of new printer profiles for non-UltiMaker printers!
The UltiMaker S7 is built on the success of the UltiMaker S5 and its design decisions were heavily based on feedback from customers.
So what’s new?
The obvious change is the S7’s height. It now includes an integrated Air Manager. This filters the exhaust air of every print and also improves build temperature stability. To further enclose the build chamber the S7 only has one magnetically latched door.
The build stack has also been completely redesigned. A PEI-coated flexible steel build plate makes a big difference to productivity. Not only do you not need tools to pop a printed part off. But we also don’t recommend using or adhesion structures for UltiMaker materials (except PC, because...it’s PC). Along with that, 4 pins and 25 magnets make it easy to replace the flex plate perfectly – even with one hand.
The re-engineered print head has an inductive sensor which reduces noise when probing the build plate. This effectively makes it much harder to not achieve a perfect first layer, improving overall print success. We also reversed the front fan direction (fewer plastic hairs, less maintenance), made the print core door magnets stronger, and add a sensor that helps avoid flooding.
The UltiMaker S7 also includes quality of life improvements:
Reliable bed tilt compensation (no more thumbscrews) 2.4 and 5 GHz Wi-Fi A 1080p camera (mounted higher for a better view) Compatibility with 280+ Marketplace materials Compatibility with S5 project files (no reslicing needed) And a whole lot more
Curious to see the S7 in action?
We’re hosting a free tech demo on February 7.
It will be live and you can ask any questions to our CTO, Miguel Calvo.
Register here for the Webinar
Are you a fan of tree support, but dislike the removal process and the amount of filament it uses? Then we would like to invite you to try this special release of UltiMaker Cura. Brought to you by our special community contributor @thomasrahm
We generated a special version of Cura 5.2 called 5.3.0 Alpha + Xmas. The only changes we introduced compared to UltiMaker Cura 5.2.1 are those which are needed for the new supports. So keep in mind, this is not a sneak peek for Cura 5.3 (there are some really cool new features coming up) but a spotlight release highlighting this new version of tree supports.
My printer is an Ender 3 Pro so it's pretty close to yours. Banging and clanging can be caused by a couple off things.
First are the belts. They should "twang like the strings on a bass guitar." so make sure they are adjusted as well as you can. If a tooth jumps because of a loose belt you will get an immediate layer shift.
Under the Speed settings in Cura are "Enable Accel Control" and "Enable Jerk Control". You should enabled them and set all the Accel settings to 500 and all the Jerk settings to 8 (those are the Ender 3 defaults). More capable machines can take much higher accel numbers but on light duty machines like the Enders, low acceleration can keep the printer from beating itself up with harsh stops and starts. If you think of Jerk as "Minimum Speed around a Corner" you would not be far off. Once again, lower numbers are less harsh on the equipment.
On each of the trolleys, one of the wheels is adjustable via an eccentric cam built into the mounting bolt. The adjustable one is the one with the large hex nut shape while the fixed ones are round. You should just be able to turn any wheel with your fingers. If they are too loose then machine accuracy will suffer. Too tight and the machine has to work too hard to move the axes. Adjust them as well as you can.
Cable management. Make sure there is no interference with the bed cabling, nor with any other cables. The axes need full freedom of movement and should not be brought up short because they ran out of leash. I printed a bracket that mounts on the top cross-brace and my cables hang from it with rubberband "suspenders".
Depending on the shape of the model, you should be able to print up to 75mm/sec with no problem. On smallish prints the machine will never get up that fast and generally, slower will give a better looking print and often, a more accurate print.
The only "Mods" I've done to my three year old printer is a Micro-Swiss hot end, some decent belt adjusters, and I changed all the fans. In particular, the layer cooling blower was useless but they were all sleeve bearing models and the ball bearing replacements are a lot quieter.
There should be no reason to fool with the mainboard.
The printer can also hurt itself by ramming into the end stops (over- travel). That is caused by a combination of the machine settings in Cura (bed size), and the home-offset setting in the printer.
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Thanks for responding! I usually print at 100 mm/sec and have a jerk setting of 30 for each one (but that's just personal preference) and have previously changed the extruder and bed springs. i'll try turning on acceleration control and test on the model again. I've tried most of the things you've mentioned, but not the acceleration control setting.Edited by Schmordan
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