Search found 6 matches

by vojtinus
Wed Sep 26, 2018 5:11 pm
Forum: Help requests / Purchasing assistance
Topic: Plotter Y axis problem
Replies: 7
Views: 2076

Re: Plotter Y axis problem

Yes, i am using the rubber rollers from the printer. I have even tried to clean them. They are in the same positioin, as they were in new printer so i dont think it should be problem. The paper is moving straight as far as i can tell - for sure not so much diagonally to cause what it is doing. Dont ...
by vojtinus
Tue Sep 25, 2018 9:01 am
Forum: Help requests / Purchasing assistance
Topic: Plotter Y axis problem
Replies: 7
Views: 2076

Re: Plotter Y axis problem

So i tried to mount stepper dirrectly to the shaft that moves paper. It change nothing - even if i rotate the shaft the by the same degree and then go back, it doesnt move the paper by the same length. I have no idea why. If i try to move paper with enabled stepper its almost impossible, if i try to...
by vojtinus
Wed Sep 19, 2018 6:24 pm
Forum: Help requests / Purchasing assistance
Topic: Suddenly occurred quality Problem shifting good and bad
Replies: 1
Views: 1412

Re: Suddenly occurred quality Problem shifting good and bad

I dont really know what it could be, but i would look for some loosen screws - sometimes they can do pretty weird things. Mostly on the extruder.
by vojtinus
Tue Sep 18, 2018 8:54 pm
Forum: Help requests / Purchasing assistance
Topic: Plotter Y axis problem
Replies: 7
Views: 2076

Re: Plotter Y axis problem

A didn´t even notice that :D . Today i tried replacing steppers (one i know is working fine) and wiring it to working stepper and arduino etc. and it is doint still the same. But what i dont underestand is, how can it move differently, if there are two gears without defects and are mounted "correctl...
by vojtinus
Mon Sep 17, 2018 11:18 pm
Forum: Help requests / Purchasing assistance
Topic: Plotter Y axis problem
Replies: 7
Views: 2076

Re: Plotter Y axis problem

Hi, thanks for you reply. Y axis is not driven by belt, but by gear - as it is on most ink printers i have seen. I just removed the shaft from original gear and inserted stepper´s shaft - the connection is pretty solid. Today i did some experimenting with it and it looks like, its because of the gea...
by vojtinus
Sun Sep 16, 2018 9:13 pm
Forum: Help requests / Purchasing assistance
Topic: Plotter Y axis problem
Replies: 7
Views: 2076

Plotter Y axis problem

Hello, i am trying to build a cutting plotter. I found a old printer, which i modified (added stepper motors to be simillar as 3D printer) to hold the cutting blade and be able to move it. I use Marlin firmware, because its the only one, i am a little bit familiar with. My problem is, that if i try ...