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16 votes
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Are there practical reasons to NOT use a stepper motor with lead screw for the X and or Y axes?

I am going to answer this as someone who actually did rework their Prusa i3 fleabay clone to use leadscrews for all axes. Before digging into the matter, the backlash issue can be solved easily with ...
Nach0z's user avatar
  • 921
12 votes
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Would 3D printing multiple copies at once saves time?

Actually no. It will take slightly more for each addition. You also then have the point of failure, where one gets knocked off and ruins all the prints. The fastest way to print multiple objects is ...
StarWind0's user avatar
  • 3,113
10 votes

Why aren't fixed build platform 3D printers popular?

Why is this so rare? Such kind of printers usually harder to assembles, calibrate, and maintain because 3 axes machine is a bit more complex than 2 axes. For instance, it's can be tricky to move an ...
Stepan Novikov's user avatar
9 votes

Printing with colorfabb XT fails after several successful layers

This looks a lot like under extrusion caused by heat creep. Heat creep is when the nozzle temperature 'creeps' up through the filament and makes it melt (a bit) and form a blob (or just widen enough ...
Valmond's user avatar
  • 914
9 votes
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Convert 3D printer to laser engraver

Yes, one can convert a 3D printer into a Laser Engraver, and it isn't even all that problematic. You'd need to acquire a laser diode. These are usually not available with a lot of power - certainly ...
Trish's user avatar
  • 22.2k
8 votes

Would 3D printing multiple copies at once saves time?

Printing multiple parts can save you time. The issues pointed out by the other posters are all bang on, but one factor that has been neglected is the time it takes you to clear the build plate and ...
Diesel's user avatar
  • 1,905
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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After some time stepper motor is hot

The second motor is hot. And the third is very hot. I can not even touch it. This is to some degree, completely normal and expected. From the datasheet for a typical NEMA 17 stepper, the rated ...
Tom van der Zanden's user avatar
7 votes
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Commercially available 3D printer fume and UFP extractor

Following on from Harvey Lim's answer, to give a concrete example of a DIY filter, which uses active carbon, see ABS 3d Printer Nanoparticle and Chemical Exhaust Air Filter: Description Enclose your ...
Greenonline's user avatar
  • 6,573
7 votes

How can I program a 3D printer to move using Arduino?

Yes. Look up Arduino Ramps 1.4 http://reprap.org/wiki/RAMPS_1.4 Following the programing is all done for you in the firmware. That said you can edit it. Just open the firmware files -- it is ...
StarWind0's user avatar
  • 3,113
7 votes
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3d printer not printing circles correctly

Possible causes for the printer not printing correct dimensions: Incorrect number of steps/mm in firmware settings Belts are not tight enough Pulley slips on the shaft Looking at the picture, I ...
Mikhail Z's user avatar
  • 888
7 votes

Ball screw: Maintaining Z axis position when motor is OFF

My question is a ball screw of pitch 4mm or 5mm, will it be able to Maintain it's position when motor is deenergized under a load of 15 kg shared by two systems. The detent torque of a typical NEMA ...
Tom van der Zanden's user avatar
7 votes
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Why do 3D printers have only one limit switch?

In principle you only need the minimum axis position (or the maximum), the offset to the bed and the size of the bed in the direction of the axes. Fortunately, you can specify this in the firmware: E....
0scar's user avatar
  • 36.2k
7 votes

Why aren't fixed build platform 3D printers popular?

As a frame challenge, they kind of are. It's just that the optimal, and in some sense only reasonable, design for a fixed build platform that doesn't move on any axis is the delta robot geometry. This ...
R.. GitHub STOP HELPING ICE's user avatar
6 votes
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ABS or PLA for structural printed parts?

To answer the main question "Is ABS better for structural parts of a 3D printer as opposed to PLA". The answer, unfortunately is it depends. ABS has lower yield and ultimate strengths compared to ...
Diesel's user avatar
  • 1,905
6 votes

HDPE as the body of a 3-D Printer?

The main consideration when building the body/frame of a 3D printer is the stiffness. The stiffer the material, the less the frame will deform under load, and the more accurate and repeatable your ...
BlackSquareTaco's user avatar
6 votes
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Building a 3-D printer

Building a 3-D printer is actually very easy, assuming that you are electronically and mechanically competent, and there are a whole bunch of websites devoted to doing just that. The principal of ...
Greenonline's user avatar
  • 6,573
6 votes
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Hot end jamming very quickly

You are suffering from what is called "heat creep". Molten filament is creeping up the heat break and into the bowden tube, where it is causing a jam. You need to install a proper radiator block that ...
Mick's user avatar
  • 3,180
6 votes
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Cooling fan noise when head is moving in the X axis

As discussed in the comments... The problem with the fan seems to be its flimsy attachment to the printer head. The fact the fan chassis is not firmly kept in place allows for it to act as a ...
mac's user avatar
  • 4,725
6 votes

Issues with Auto Bed Leveling

Your problem is that the hotend carriage does not stop when the sensor triggers. I assume you mean "on homing", not "while printing" (UPDATE: after watching the video it is confirmed that it is "on ...
0scar's user avatar
  • 36.2k
6 votes

Are there practical reasons to NOT use a stepper motor with lead screw for the X and or Y axes?

In addition to cost, backlash, which can be experienced in the Z-axis where threaded rods and leadscrews are mostly commonly used, would/could become an issue. The elasticity of GT2 belts generally ...
Greenonline's user avatar
  • 6,573
6 votes
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How to 3D print a shopping cart

If you need a real shopping cart, please think about actual requirements. Carts are sturdy devices, build on very consistent frame, because they are meant to carry heavy loads. The built must be ...
octopus8's user avatar
  • 986
6 votes
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Why not use high rpm stepper motors with high microstepping with gear reduction in 3D printer?

To answer each point: Microstepping improves resolution as much as 32 fold (I think) but reduces torque the higher you micro-step. Torque is not reduced by micro-stepping. Torque reduction only ...
user77232's user avatar
  • 2,448
5 votes

Would 3D printing multiple copies at once saves time?

Yes, and no. It depends. For FDM printing, the printing time mostly scales linearly with the number of objects. However, some printers have a "minimum layer time" whereby smaller layers are printed ...
Tom van der Zanden's user avatar
5 votes

Would using a leadscrew with 1 or 2 mm lead, en lieu of 8 mm, result in a better printer?

From Accuracy vs Precision and Threaded Rod vs Leadscrews in 3D Printers. I have highlighted the relevant parts: In general, FFF/FDM printers use relatively infrequent, small, precise movements on ...
Greenonline's user avatar
  • 6,573
5 votes
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Can cheap hotend parts sourced from China actually produce good prints?

Hard to say for sure - my whole printer is cheap parts bought as a kit in China by a Chinese student who abandoned it in the US (I resurrected it after it was abandoned.) It includes all the parts you ...
Ecnerwal's user avatar
  • 723
5 votes
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MOSFET problems!

No, this module is completely useless for your intended purpose. The load side is marked with "5A 5-220VDC". This means it can only switch up to 5A, maximum. The heated bed draws more than twice this ...
Tom van der Zanden's user avatar
5 votes
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Lead screws - M8 instead of M5?

as long as you match the parts that is ok. The m8 rod will give you more stiffness and will be harder to bend. As the result, you will have to calibrate the steps/mm settings in the firmware.
profesor79's user avatar
  • 1,982
5 votes

RAMPS 1.4, 1.5 or 1.6?

The biggest issue with RAMPS 1.4 (and 1.5) is the power connector is prone to melting/burning, this appears to be fixed on 1.6 with the use of screw terminal blocks. I've used RAMPS 1.4 with both 12v ...
tjb1's user avatar
  • 2,110
5 votes

RAMPS 1.4, 1.5 or 1.6?

The drawback of RAMPS 1.5 and 1.6 are that they use SMD polyfuses which are a little more difficult to replace (for some people) than the large fuses from the RAMPS 1.4. However, the fuses of the ...
0scar's user avatar
  • 36.2k

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