9
votes
Ender 3 print bed damage
Your print surface is destroyed
So, you managed to rip off your print surface in the center. Happened to me too. the corners of my scraper were too sharp, cutting the surface. Another time I did ...
- 22.5k
9
votes
Polyurethane-and-steel timing belts?
It's a question of what you want to use the belt for.
All Belts are subject to stress as they run around the motor and idlers and gears and bend. They will get eaten as they are subject to friction ...
- 22.5k
8
votes
How to identify nozzle wear?
One of the things I look for is if you pull the print head a good ways off the bed and have it extrude. It should just squirt plastic straight down. If it bends sharply in one direction, or even ...
6
votes
Accepted
Replacing bearings with Drylin bushings
According to igus commercial documentation, these bushings:
do not need any kind of lubrication,
are not susceptible to humidity (but your steel rods might)
work seamlessly in presence of dust (it ...
- 178
5
votes
Polyurethane-and-steel timing belts?
Belts come in several formulations. This page from McMaster-Carr lists several types of belts. The main materials (rubbers) are Neoprene and urethane, with fiberglass, Kevlar, and steel ...
- 4,591
5
votes
How often should you change out your hot end heating element?
I see no benefit to changing a heater that's performing acceptably. The only rationale I can think of for a predictive or preventive change-out would be to head off the cumulative effects of repeated ...
- 521
4
votes
Accepted
What is the lifespan of a SLA Resin Tray?
It depends on tray and resin type you are using.
PDMS
If you are using PDMS (eg. sylgard 184) coating for your tray. (B9 and similar printers using this type of tray).
Life of tray PDMS coating ...
- 479
4
votes
Accepted
Are there quantitative means of measuring nozzle wear?
Based on CNC Kitchen measurements,
the wear can be initially estimated by judging the overall length of the nozzle. Abrasive particles wear the nozzle very little on ...
- 4,600
4
votes
What should I use to clean buildtak(knock off)?
Isopropyl alcohol (IPA) is the general recommendation I've heard and it works well for me.
4
votes
E3D V6 nozzle seized into heater block
Try to,
First, remove the heat block from the extruder/heat sink. Heat the hot end to ~ 230 'C. Then try to unscrew the nozzle while holding the heat block with a wrench or plier. Be extra careful ...
3
votes
Accepted
Proper belt tension for Ender 3 v2
Generally, a timing belt is a complicated device and many things depend on its internal construction and materials (it may be damaged when bound in wrong direction, or when cut, and when overtighten ...
- 986
3
votes
Accepted
What should I use to clean buildtak(knock off)?
For BuildTak, my first recommendation is isopropyl alcohol (aka rubbing alcohol or isopropanol). Readily available just about anywhere basic medical supplies are sold, it cuts though light oils and ...
- 471
3
votes
Insulate hotend on Makerbot Smart Extruder
I recently wrapped a LOT of hot PLA around my print head and, as a result, had to remove the kapton tape and the fibreglass insulation that came with it.
I was reluctant to use fibreglass because of ...
- 31
3
votes
How would you clean/prepare a flexible/magnetic mat (e.g. Ender 5) as compared to a glass bed?
I have the WhamBam system which uses a PEX layer over flex steel (which sticks to a magnetic sheet on the printer bed). To clean old material off, I use a "brass sponge" intended for cleaning ...
- 334
3
votes
What's the best way to clean PETG residue from a magnetic steel sheet PEI?
First you will want to verify that what you are seeing is remaining PETG and not a loss of PEI on your bed. In many cases, when PETG is used without a separating agent (window cleaner or glue stick), ...
- 131
3
votes
How do you know when your SLA resin tray needs to be replaced?
Once the non stick coating wears off you'll notice degraded print quality over time and a more agressive sound from the print breaking free when switching layers as the print uses more and more force ...
- 225
3
votes
How can I best clean the print bed after a print?
I use hair spray directly on my glass bed , then just a little bit of rubbing alcohol on a small piece of paper towel to clean it...that removes all surface materials... I don't use tape any more... ...
3
votes
Accepted
Screen stays black on new Ender 3 V2 after power-on
I solved this by having Creality send me a new main board and new screen.
Sorry if you are experiencing this. Please contact Creality. They were happy to also upgrade my main board to v4.2.7!
- 191
3
votes
Accepted
Can I lubricate the timing belts to prevent squeaking against pulleys?
The pulleys on nearly every 3D printer I've seen are held in place on the stepper motor shaft with a grub screw. A bit of rotation of the pulley should bring into view this screw, which will use a ...
- 12k
2
votes
How can I best clean the print bed after a print?
I have a glass bed and I use plastic razor blades from Scraperite specifically black blade to clean it up. Looks like it's the best alternative to metal blade so far.
- 21
2
votes
What is the lifespan of a SLA Resin Tray?
I did some research and the life of the resin and resin tray appears to be dependent on how you use it. For example, regarding the resin, 3dfacture states "We see almost unlimited shelf life of the ...
- 2,500
2
votes
What is the MakerBot Grip Surface lifespan?
There's no quantitative formula for the lifespan of any grip material, be it tape, glue, or PEI sheet. If you find a lack of stiction and it's not due to small changes in the Z-origin (50 microns can ...
- 3,051
2
votes
da Vinci Jr. nozzle diagram
After watching the video, it looks this is a Bowden style extruder. The extruder assembly is encased in the black box the OP mentions. The assembly is user removable. It appears they also include ...
- 2,500
2
votes
Accepted
Tell tale signs bed tape has given up the ghost
Obviously, if the tape is torn or gouged in area that you intend to print on, you will need to replace it to have a good surface. If the damage is well clear of your first layer and will not risk ...
- 808
2
votes
Replacing bearings with Drylin bushings
In addition to this answer and addressing Anything else I'm not thinking of to worry about? I would like to add that you should take care in installing the plastic ...
- 37.1k
2
votes
Polyurethane-and-steel timing belts?
I have recently changed the standard belts on my Prusa MK3 for the aramid fiber reinforced E3D neoprene belts. Those belts are really tough and hard to cut even with a quality side cutter! They have a ...
2
votes
How would you clean/prepare a flexible/magnetic mat (e.g. Ender 5) as compared to a glass bed?
Just about every reference I've seen for non-glass beds is to stay away from acetone. Denatured alcohol is likely a safe bet for beds with surfaces that are not impenetrable. If you can identify the ...
- 12k
2
votes
How to replace the nozzle in my hotend assembly?
The exact procedure depends on the design of the printer.
After unloading filament, remove and install the nozzle at the highest temperature you will run. Otherwise, you will not get a good seal ...
- 2,376
2
votes
Accepted
How to replace the nozzle in my hotend assembly?
Tools
spanners / wrenches - to turn both nozzles (common sizes are 6-8 metric wrenches)
spanner / (fitting or adjustable) wrench - to hold a heating block
or small vise - to hold a heating block (...
- 22.5k
2
votes
Screen stays black on new Ender 3 V2 after power-on
I had the same issue. I think I flipped my display cable around and it worked. Maybe I got lucky and it was simply reseating the cable.
Only top scored, non community-wiki answers of a minimum length are eligible