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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 ...
Trish's user avatar
  • 22.2k
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 ...
Trish's user avatar
  • 22.2k
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 ...
Jared Perkins's user avatar
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 ...
Nikkoura's user avatar
  • 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 ...
cmm's user avatar
  • 4,551
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 ...
allardjd's user avatar
  • 511
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 ...
Shahin's user avatar
  • 479
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.
R.. GitHub STOP HELPING ICE's user avatar
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 ...
Avishka Dambawinna's user avatar
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 ...
FarO's user avatar
  • 4,353
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 ...
CrossRoads's user avatar
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), ...
Andy Levesque's user avatar
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 ...
bardiir's user avatar
  • 225
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 ...
Joal Heagney's user avatar
3 votes

Would appreciate advice on unclogging hot end [Makerbot Replicator v2]

For molten filament to jam at the inlet to the thermal barrier tube like shown here, there must be something wrong with the cooling in your setup. The cold zone needs to be cool for the extruder to ...
Ryan Carlyle's user avatar
  • 6,616
3 votes

Advance extrusion, extruder code help?

The extruder advance feature is probably not enabled on your printer, so this code effectively does nothing (and you don't need to mess with it). Extruder advance is a feature that tries to compensate ...
Tom van der Zanden's user avatar
3 votes

How can I best clean the print bed after a print?

When I print PLA on glass plate, I clean the glass with cold water and dishwashing liquid. Cold water! And no wipe! Cold water should take all dishwashing liquid "to the ground". Now you have glass as ...
darth pixel's user avatar
  • 3,476
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... ...
Russ Campbell's user avatar
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 ...
KeithS's user avatar
  • 471
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 ...
octopus8's user avatar
  • 986
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 ...
fred_dot_u's user avatar
  • 11.8k
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.
Nick's user avatar
  • 21
2 votes
Accepted

What should I pay attention to after taking a 3d printer from extended storage

After storage you can check the following things before taking the machine into operation again: Are all cables intact? You wouldn't want lose cables shorting your circuits, nor cables that may have ...
kamuro's user avatar
  • 2,942
2 votes

What should I pay attention to after taking a 3d printer from extended storage

The main thing that might have changed is the bed level, so you should level the bed again. If your printer is sufficiently sturdy, this may not even be necessary (but this should become apparent ...
Tom van der Zanden's user avatar
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 ...
markshancock's user avatar
  • 2,490
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 ...
Carl Witthoft's user avatar
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 ...
markshancock's user avatar
  • 2,490
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 ...
fred_dot_u's user avatar
  • 11.8k
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 ...
Georg Steiner's user avatar
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 ...
mbmcavoy's user avatar
  • 798

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