Questions tagged [printer-building]

Questions about building your own printer.

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7
votes
2answers
818 views

Can cheap hotend parts sourced from China actually produce good prints?

TL;DR Is it possible to build a hotend, using separate parts, sourced on eBay, from China, and still achieve a high quality print? In my opinion, the E3D V6 hotend is rather expensive, at $/£70, ...
1
vote
3answers
353 views

Building a 3-D printer

Building a 3-D printer is obviously a huge undertaking. Does anyone know of any reasonably cheap guides to build my own 3-D printer?
14
votes
4answers
2k views

What are the pros and cons of collecting parts yourself, versus getting a DIY kit and then modifying it?

I'm thinking about buliding my own 3D printer from scratch. Is it better to buy a starter DIY kit and try to build your printer around it, or to order separate parts for printer, and then to combine ...
7
votes
3answers
18k views

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

By "better" I mean "more precise"... With respect to a RepRap P3Steel or Wilson II, I am getting some 330 mm T8 leadscrews for the Z-axis movement. There seems to be a choice ...
6
votes
2answers
3k views

Prusa i3 Z axis only goes down (even on up command)

I have just finished building a Tronxy P802M Prusa i3. When I try to move the Z-axis, using the hardware buttons in the LCD menu (without a computer connected), it only goes down, when I both ...
6
votes
2answers
1k views

What are the appropriate ranges of gear ratios for 1.75 mm and 3 mm filament extruders?

Most 3 mm (mostly are actually 2.85 mm) filament extruders have some kind of gear reduction. Many 1.75 mm extruders are direct-drive / ungeared but some do use gears. What kind of ...
15
votes
3answers
9k views

Printed part auto-eject (automatic part removal)

What are the methods to auto eject parts (into a collection area/box/basket) in order for the 3D printer to continue printing? For some reason this feature isn't common (yet?). Is there a hidden ...
3
votes
2answers
3k views

Advantages of GT2 over a rack

Many 3D printers employ a GT2 band for the y-axis plate and the printhead in the x-axis carriage. However, there seems to be the obvious disadvantages of: stretching (and need for adjustment) and; ...
9
votes
4answers
13k views

ABS or PLA for structural printed parts?

TL;DR Is ABS a better material to use for structural parts of a 3D printer, as opposed to PLA? I have been looking at various suppliers of printed parts for a Wilson II, on eBay. One supplier ...
3
votes
3answers
961 views

Ball screw: Maintaining Z axis position when motor is OFF

I'm building a 3d printer of size 500 x 500 x 500 build area. For the Z axis, I'm planning to use this Linear actuator. The maximum weight Z axis might encounter is 15 Kg due to it being a clay ...
6
votes
2answers
8k views

Carbon fiber instead of smooth steel rods?

I have a long 8 mm smooth steel rod of about 55 cm long. This rods bend easily due to the length. If I replace them with 8mm solid carbon fiber rods, will the bending reduce? Will the ...
0
votes
1answer
252 views

3D Printers imported from China - avoiding asbestos exposure [closed]

Many 3D printers are made in China, and as asbestos is still legal in China (with large ongoing production it seems). It is thus quite possible to end up with a 3D Printer that has asbestos parts in ...
8
votes
3answers
150 views

When building a RAMPS 1.4 based printer, can I safely plugin just some of the components to test if they are working?

If I need to test out some of the components of a RAMPS 1.4 based 3D Printer, can I only plug some of them into the board (not all of them) and test them out? I'd like to test out the NEMA 17 motors ...
6
votes
3answers
735 views

Lead screws - M8 instead of M5?

I am building a Prusa i3 MK2S (Dolly). I find it very difficult to find M5 rods for the Z axis, I have an M8 lead screw with 8 mm lead, So I thought since M8 is widely available online I could ...
3
votes
2answers
220 views

In the standard PC Cable Wire that goes from the wall outlet to the switching power supply, are they standard and what are the wire specifications?

What are the specifications of the three wires inside a PC cable that is used to connect the switching power supply to a US AC outlet. The positive, negative and ground appear to be the same gauge ...
3
votes
1answer
467 views

For a larger build volume, what lengths of 2020 aluminium do I need?

TL;DR How do I upscale a Wilson II? What lengths of aluminium1 do I need in order to achieve a particular (increased/reduced) build volume? The design of the Wilson II is scalable (source: RepRapWiki ...
1
vote
2answers
2k views

How long are the carbon fibre rods for a Travelling Kossel?

TL;DR - For a given Kossel frame size (w.r.t. the vertical and horizontal frame lengths of the aluminium extrusion), what would the length of the carbon fibre rods be? A case in point, from ...
1
vote
1answer
347 views

is possible to send printing with mach3?

I was wondering if is possible to send printing using the software MACH3 for CNC since this software can handle up to 3 axes: X,Y,Z,A,B and C. Of course the CNC needs an extra control for temperature ...
1
vote
1answer
780 views

Orientation of long thin rod on P3Steel v4

I have a derivative of the P3Steel v4, which is not the Irobri design but another version (I'm not entirely sure which), from Poland: Frame Prusa I3 P3Steel v4.0 +RODS. I have assembled the frame, ...
1
vote
3answers
596 views

Is the 8mm x 20mm bearing axle for the X-axis idler (of a P3Steel) a custom part?

Here is the X-axis of the P3Steel: The X-axis idler end of a P3Steel printer, employs an 8 mm diameter rod for the axle on which a 608zz bearing is mounted for the GT2 belt. This 8 mm rod is ...