Questions tagged [reprap]

For questions regarding RepRap (replicating rapid prototyper) project, its Firmware of the same name and related topics as FFF (Fused Filament Fabrication).

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7
votes
1answer
12k views

Marlin temperature sensor problem

I have a RAMPS 1.4 and an Arduino Mega 2560. The problem is with 100k NTC thermistor. I've tested it with a multimeter, it results in ~122kΩ. I am using Marlin 1.0.2 (latest stable). I am using ...
20
votes
3answers
10k views

Should I enclose my 3D Printer?

I have a home built RepRap with all sides open.. Would there be any advantage to enclosing the print area in acrylic?
4
votes
3answers
2k views

Is there a lubricant that can be used for linear bearings, bronze sinter bushings and threaded rods alike?

My printer will feature LM8UU bearings/threaded rods for the z-axis and bronze sinter bushings on the x- and y-Axis. As also, but not only, written here http://reprap.org/wiki/Lubrication, I know ...
6
votes
1answer
434 views

Which algorithm does Marlin use to create arcs?

I'm writing a paper about a plotter (I use a Prusa i3 with a custom "extruder" aka pen). And I'm supposed to write about the algorithms I/the plotter use(s). I tried reverse engineering, but since I'm ...
10
votes
3answers
16k views

What's the advantage of two z motors?

Some RepRap models use only a single motor for the Z axis, others use two. For example, there is the 3drag that has only one motor and a smooth rod on the other side. There are modifications that add ...
6
votes
1answer
2k views

What are the advantages/disadvantages of using synchromesh cables instead of belts?

Some 3d printers use synchromesh cables instead of belts. For example, the Deezmaker Bukito (http://bukito3d.com/) and a number of RepRap conversions. Photo from http://christophergranz.com/?p=449 ...
6
votes
2answers
186 views

Laser cutting on RepRap

I have seen some lasers attached to the RepRap platform for cutting but most seem to be cutting paper, balsa wood, or merely etching. If I were wanting to build a platform for cutting wood, similar ...
7
votes
1answer
1k views

Using an Arduino Mega with burnt voltage regulator

Due to a not-given compatibility with Makerbot mechanical endstop wiring (and carelessness on my side) I ended up burning the voltage regulator on my Arduino Mega 2560. Now, powering the Arduino ...
-4
votes
1answer
230 views

How to make your own 3D printer? [closed]

I am wondering if I can get some electronic and mechanical layout of the machine. Is it possible to make 3D printer components with 3D printer?
7
votes
1answer
299 views

How is a J-Head Extruder Head attached to the Prusa i3 rework?

I am building a Prusa i3 Rework, and I haven't been able to find out how to attach my J-Head extruder (see below), at the moment it's just kind of held there by pressure, but it seems there are two ...
9
votes
3answers
3k views

Tips for not burning out my Arduino Mega or catching something on fire when wiring a Prusa i3?

I'm reading about wiring up the electronic components to my Prusa i3 using an Arduino Mega 2650 and Ramps 1.4. I have step sticks, a heated bed, and a Switching Power Supply 12v Dc 30a 360w (more ...
11
votes
3answers
365 views

How many times printed printer can print it-self?

There is a 3D desktop printer RepRap which can print most of its own components. Assuming each printed printer will print the next one and so on. Are there any limitation how many times this can be ...
10
votes
2answers
1k views

Is the weather a problem for MDF frames?

I've acquired all the parts to build a Reprap Prusa i3 rework, the only missing part is the frame. I'm in doubt between a MDF cut (cheaper) or acrylic (more expensive), of course a cheaper one is my ...

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