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23 votes
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Why keep the bed heated after initial layer(s) with PLA (or PETG)?

There are three reasons (I can think of): A large problem you'd face with allowing the bed to cool after first layer is you stand the chance of losing adhesion after it cools. When you heat the bed, ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
19 votes
Accepted

How to center my prints on the build platform? (Re-calibrate homing offset)

When centered in the slicer correctly, without offsets defined in the slicer, the printer is most probably incorrectly configured! Luckily you can do something about that! Basically, you will have to ...
0scar's user avatar
  • 36.2k
15 votes
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Heated bed - what are the benefits? Why use one?

Heatbeds have two purposes: Increase surface energy of the print bed to improve bonding strength of the first layer (particularly important when using surfaces like PEI or Kapton) Keep the bottom few ...
Ryan Carlyle's user avatar
  • 6,616
13 votes
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POM filament not sticking to the build plate?

Great material but very hard to print as it does not stick easy to the build plate as it has a low friction coefficient to grip onto the heated bed. Also, the material sets quite fast, once the ...
0scar's user avatar
  • 36.2k
11 votes
Accepted

24 V heated bed from -12 V and +12 V ATX power supply?

No, this is not possible with most ATX power supplies. While in principle you can get a 24V supply by combining the +12V and -12V supplies, the rails are not symmetric, and the negative 12V supply is ...
Tom van der Zanden's user avatar
11 votes
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Why doesn't PLA stick to heated bed?

I think you may have used the wrong substance to clean your bed. Try using Isopropyl Alcohol (IPA). You may have left some residue behind from the soap, which is now interfering with adhesion. When ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
8 votes

Would a steel, instead of an aluminium, plate be reasonable?

I would consider getting another aluminum build plate for the following reasons: Lightweight. Aluminum is a very lightweight metal, making it suitable for most machines that have injection molded ...
tbm0115's user avatar
  • 6,324
8 votes

How do you heat a large glass print bed?

It will be very difficult to heat such a large bed, simply because of the enormous power required. Thomas Sanladerer recommends at least 0.6 W/cm² but notes 0.4 W/cm² also works (but takes "...
Tom van der Zanden's user avatar
8 votes

Heat bed troubles

What you purchased is probably a bed that can be configured for either 110V or for 220V, depending on how you hook up the wires: the bed contains two heating elements, hooking these up in parallel ...
Tom van der Zanden's user avatar
8 votes
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What is the power consumption of the heatbed and hotend?

I have a Kill-A-Watt meter so I got a pretty good measurement for you with my Anet A6. Like Petar said each model is different but this should give you a idea. When heating both the nozzle and heat ...
Ljk2000's user avatar
  • 1,263
8 votes

Will a glass bed warp as it is heated?

TL;DR Yes, glass warps when hot. Use a physical touch sensor and calibrate it out, or swap glass if it's "bad". The further you go into mechanical studies like 3d printing, mills, and ...
joshConway's user avatar
8 votes
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Clamps / clips for glass on heatbed

How about the Ultimaker clips? Ultimaker uses 2 mm heat bed and 4 mm glass, that should be within reach by bending the clips a bit. They have quite a low profile/footprint. These clamps are ...
0scar's user avatar
  • 36.2k
7 votes

Using dollar-store picture glass for print bed on top of original heated aluminum bed?

Picture frame glass (generally float glass) will work well enough, but count on it eventually cracking/getting chipped. It's always very flat (due to the way the production process works). Taking it ...
Tom van der Zanden's user avatar
7 votes
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How do you heat a large glass print bed?

Your best option may be to seek out a silicone rubber heating mat, using those terms for your web search. A quick search on my part shows many resources, some of which are known to the 3d printing ...
fred_dot_u's user avatar
  • 11.8k
7 votes

How thick does an aluminum print bed need to be

Main factors that control the process of the print bed selection are weight: too thick plate increases inertial force, limiting maximum acceleration/jerk (decreased print speed) stiffness: too thin ...
Mikhail Z's user avatar
  • 888
7 votes
Accepted

Why is a heated bed important?

I'll try to give it a shot as the other answer (perfectly sound answer b.t.w.) does explain "how" we use heated beds, but not "why" they are actually needed for good prints. Plastics or polymers are ...
0scar's user avatar
  • 36.2k
7 votes
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Speeding up the heating of the heated bed

Changing the PSU with one with a higher amperage will not make the bed heat up any faster unless the PSU is underrated for the amperage required and the voltage is dropping as a result of the load. ...
0scar's user avatar
  • 36.2k
7 votes

Evidence of a warped build plate?

It looks like your first layer is way too close to the bed. The printer is trying to squash the plastic down very thinly, resulting in inconsistent extrusion. You will likely see better results if you ...
Tom van der Zanden's user avatar
7 votes

Why is glass a widely recommended option for the print bed?

I suggest to look at a similar question, but just the glass question here: Glass is a very smooth surface Glass shrinks when cooling to a degree it pops the print free on itself Glass is virtually ...
Trish's user avatar
  • 22.2k
7 votes
Accepted

How hot is too hot for magnetic beds?

Depends on the magnets used Magnets demagnetize under heat and are fully demagnetized once their Curie temperature is reached. This Curie temperature depends heavily on the type of magnet, and it is ...
Trish's user avatar
  • 22.2k
6 votes

Can a heatbed PCB (Prusa Mk2) be straightened out?

Electrical engineer here. There is nothing odd about putting a PCB in an oven. Any surface mount PCB is assembled using a reflow oven which heats all the components, as well as the PCB itself, ...
metacollin's user avatar
6 votes

What is a good strategy for removing 3d prints from an UNheated Glass bed?

Because you will be printing on unheated glass, you will be using some form of adhesive material. If you use an off-the-shelf glue stick, you will likely find it is water soluble. If the bed is ...
fred_dot_u's user avatar
  • 11.8k
6 votes
Accepted

Do I need a heated bed for printing PLA in an enclosed printer?

The answer is "No" you don't need a heated bed for PLA but it does make the base layer a little easier to lay down and also helps with print removal post print. PLA is a very easy filament to work ...
Charles Driza IV's user avatar
6 votes

PLA and bed heating?

I actually find it's not needed for PLA. I generally have it heated to 40 °C and use blue painters tape along with some hairspray (I prefer Tresemme as it smells gorgeous). I've experimented ...
Festivejelly's user avatar
6 votes
Accepted

Turning off heatbed for the last few layers. Good idea or not?

It's not a bad idea, and you should try it. But only on prints with some height, because: The goal of the heated bed is to ensure adhesion for the first few layers. Without the heat on the bottom ...
beeudoublez's user avatar
6 votes
Accepted

Should you use hairspray on a metal bed 3D printer?

I have been using a sort of a very strong hairspray called 3DLAC for about 2 years directly onto the aluminium heat bed of the Anet A8 printer I have. Basically, all those sprays contain copolymer ...
0scar's user avatar
  • 36.2k
6 votes

Why is a heated bed important?

It can help with bed adhesion. However, most 3D printing plastics will warp without a heated bed (since they shrink as they cool). ABS is notorious for this, although PLA is not so bad, and you can ...
Mick's user avatar
  • 3,180
6 votes

Clamps / clips for glass on heatbed

There are some clips similar to Trish's answer that aren't mounted but have a spring in them to apply pressure. Looks like they are called Swiss clips: Glass retaining clips – Swiss made:
Perplexed Dipole's user avatar
6 votes
Accepted

Upgrading to silicone heat bed, will it burn my house down?

The heated bed port on your board has a 11A fuse. It will not work for a heated bed requiring 16A of current, no matter how good the MOSFETs might be. Note that the terminal block might also not be ...
Tom van der Zanden's user avatar
6 votes
Accepted

Evidence of a warped build plate?

First things first: Don't Panic Your heated bed is made from metal with some sort of Build-Tak-Clone surface. It is not broken from what I can see. Your print is not failed, however, the quality does ...
Trish's user avatar
  • 22.2k

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