Right now looking into bang for the buck workhorses with a small footprint/build volume. A description that fit the Prusa mini+ perfectly in the past, but it feels like Prusa is a dinosaur that hasn’t moved with the times....
I like BambuLab. They handled the issue seriously. Resolved it and now it is fixed.
What I meant with low end China is like QIDI-tech having exposed 230V (not fixing it), Tronxy choosing high and low voltage wires with the same color and no PE connection to the chassis, Ankermake having issues with the heatbed insulation (not fixing that either) and crushed wires. That’s just three examples and don’t expect that other companies are better. BambuLab is a rare exception.
Once you teardown “industrial”/professional machines the point of view changes: PE connections, strain relief, drag chain rated cables with appropriate bend radius, crimped ferrules instead of solder on wire ends, … they are built to last and run 24/7 without catching fire…
The best protection is a machine that is well build:
We have ovens in our kitchens that are designed to reach upto 400°C (for cleaning) and nobody is afraid of them catching fire. Why? They are engineered to be safe.
Similiar a 3D printer that has good engineering is safe and doesn’t require an automatic fire extinguisher.
If we talk about low-end China printers then the answer is they might not be as safe but the solution is to fix them instead of adding the fire suppression system.
Cars are a very high-vibration environment with km of wiring and some carrying high currents, flammable liquids and hot parts. With e-autos there is even more including a 50’000 Wh energy storage waiting to catch fire.
While cars do catch fire it is unlikely to the point where they don’t need fire suppression systems.
Some cars have fire suppression systems but those are race cars. Built differently to maximize performance. (or military vehicles)
Similiar there are 3D-printer that might benefit from a fire suppression system but the run of the mil 3D-printer won’t need it.
Not convinced? Look at CNC-mills or swiss lathes. Those are designed to run nonstop for years in a production environment at the highest speeds to maximize production. Most of them don’t have a fire suppression system (they do have a mist extraction/collector to prevent them from exploding).
3D-model collections like Printables or Thingiverse are awesome. Required (ASAP) a CPU socket cover to ship the motherboard. Found it online and 15 minutes later I had the part on hand.
Quick and dirty 5 minutes craft: Draw a rough shape, define the contact surfaces & load, click run, and get the optimized shape. The last step is converting the output to a printable shape and running one more simulation to double-check it is strong enough....
With mainsail and klipper, you can cancel one failed part mid-print and keep going on the rest of the parts.
There is an addon for Duet (RRF) but I can’t get it working. Anyway, once it is time for a batch print the first testprint has been completed successfully and build plate adhesion is a non-issue on this printer.
You have to tell it the dimensions of your extruded head, so it doesn’t crash the part Ask me how I destroyed two z-endstops this year (very asymmetrical toolhead and Prusa can’t be configured to reflect this and with a “radius” large enough it would block half of the printbed (60mm radius or so) meaning eyeballing is the best option).
I only use this option if I need the part before the entire batch is finished and don’t want to start multiple prints. Which isn’t frequent.
Prusa is very slow compared to Cura as PrusaSlicer needs every option checked including Geometry handling accurate to sometimes get 7 pcs. matching Cura performance. If the result is 7 or 6 pcs. depends on where the part originally was placed on the print bed (or luck? run to run variance?). Not a reliable software for nesting.
With fast and balanced setting it only does 6 pcs.
As you might be aware BambuLab issued a recall for the BambuLab A1 3d-printer. In particular, the issue is the mains-voltage (230V AC) heat bed cable....
With 3D printers like the Open-5x or tool changers (e.g. Prusa XL) both, 5-axis simultaneous 3D-printing as well as hybrid manufacturing (additive followed up by subtractive), is more accessible than they ever were....
Three years ago I looked into properly wiring hotends with quick toolhead swapes and came up with this: Combining the entire hotend wiring into 3x shielded 4-conductor cables (thin cables for small drag chains with tiny bending radius) and options to terminate the shield. The static side features an USB-port to retrofit...
Years ago when I was building this CNC machine, I decided to design and print a NEMA23 stepper motor cover to wire the machine neatly. Today, I upgraded the stepper to an servo. All I took was a screwdriver....
Would you still buy a Prusa Mini+?
Right now looking into bang for the buck workhorses with a small footprint/build volume. A description that fit the Prusa mini+ perfectly in the past, but it feels like Prusa is a dinosaur that hasn’t moved with the times....
Why do 3D printer manufacturers not get the details right? e.g. rotation indicator on bed levelling wheels (lemmy.ml)
Building a 3D printer is easy. Getting the details right to build a great 3D printer is hard, as this is where most companies fail. Why?...
Automatic Fire Extinguisher for 3D Printer Cabinet (lemm.ee)
Hey 3D printing fellas,...
The beauty of 3D-printing: Just download the physical object. (lemmy.ml)
3D-model collections like Printables or Thingiverse are awesome. Required (ASAP) a CPU socket cover to ship the motherboard. Found it online and 15 minutes later I had the part on hand.
Shape optimized spoolholder (lemmy.ml)
Quick and dirty 5 minutes craft: Draw a rough shape, define the contact surfaces & load, click run, and get the optimized shape. The last step is converting the output to a printable shape and running one more simulation to double-check it is strong enough....
Print in place ratchet design (lemmy.ml)
After half a dozen iterations, this was the first reasonably working, acceptable feeling, and good-sounding ratchet mechanism....
What is your favourite camera setup? (lemmy.ml)
What cameras did you add to your 3D printer? What is your favorite camera angle?...
One of those permanent temporary fixes. (lemmy.ml)
Needed as soon as possible a spool holder for larger spools so printing anything that is dozens of hours was out of the question....
Nesting capabilities of slicer (overview)
Short overview of how good the nesting capabilities of various 3D slicer are....
SLA resin 3D-printing: Do the orange window stop UV or sunlight? Is it stopping the UV radiation from the printer?
Have you ever wondered if the yellow/orange plastic windows that all resin/SLA 3D printers have are sufficient?...
BambuLab recall: Should you replace the cable yourself? ft. EN 50678
As you might be aware BambuLab issued a recall for the BambuLab A1 3d-printer. In particular, the issue is the mains-voltage (230V AC) heat bed cable....
How do I fix this Prusaslicer output? (lemmy.ml)
With this particular model, Prusaslicer is very optimistic about bridging and support generation:...
For those venturing into 5-axis 3D printing and hybrid manufacturing, what is your tool chain?
With 3D printers like the Open-5x or tool changers (e.g. Prusa XL) both, 5-axis simultaneous 3D-printing as well as hybrid manufacturing (additive followed up by subtractive), is more accessible than they ever were....
What generic PETG and SLA-resin look like in a UV-vis spectrometer (420nm cutoff is the resin; PETG goes down to roughly 320nm). (lemmy.ml)
PETG: https://lemmy.ml/pictrs/image/b4916855-4234-47b3-8b4d-aa2aae5fc9a6.jpeg...
Extruder with a cleaning brush (industrial desktop 3D-printer) (lemmy.ml)
The extruder of the 3Dgence P255 3d-printer features a brush to clean the extruder gear.
2020 concept that didn't made it (hotend wiring). (lemmy.ml)
Three years ago I looked into properly wiring hotends with quick toolhead swapes and came up with this: Combining the entire hotend wiring into 3x shielded 4-conductor cables (thin cables for small drag chains with tiny bending radius) and options to terminate the shield. The static side features an USB-port to retrofit...
Your though on E3D Revo Roto extruder?
Today E3D launched their latest extruder. What’s your thought on the Revo roto?...
E3D toolchanger discontinued (e3d-online.com)
Personal opinion:...
NEMA23 cover with plug finally paid off: Had to replace the motor. (lemmy.ml)
Years ago when I was building this CNC machine, I decided to design and print a NEMA23 stepper motor cover to wire the machine neatly. Today, I upgraded the stepper to an servo. All I took was a screwdriver....