Samstag, 20. Juni 2020

S01E03 XMoto I2C Marlin, TestJig

Ich habe I2C auf unserer Empfängerseite per Wire integriert, das war relativ einfach. Wir brauchen eine Empfangsroutine die dann den Befehl interpretieren kann, einfach gelöst indem ich den Verteiler für die Commands in eine eigene Routine gesetzt habe und dann den String da durchjage. Wollen wir mal sehen ob das funktioniert. XMoto github: https://ift.tt/2YfLSIm XMoto TestJig: https://a360.co/2V2s4X3 Spindelkörper: https://ift.tt/3cfW1Zj Getriebemotor: https://amzn.to/2Za6vGG Hallsensor Polulu: https://amzn.to/2LuEdP1 Encoder Disk: https://amzn.to/2zGyhzU Marlin I2C: https://ift.tt/3erRRPB SAMI Motor Driver: https://ift.tt/2Xe89Wq Schaltung: https://ift.tt/2M5TAho Attiny1617 Arduino: https://ift.tt/2Xc0MyC SMT Assembly: https://ift.tt/2TQpF0T ------------------------------------------------------ PETG: https://amzn.to/2HCbCGB Anycubic i3 Mega: https://amzn.to/2HCcfjr Monoprice Select Mini II: https://amzn.to/2HjoPF5 Extruder: https://amzn.to/2HBzEkY Silicon socks: https://amzn.to/2EvvU2i EOS 200d: https://amzn.to/2XiAvfZ Videoleuchte: https://amzn.to/2WihDBg

Sonntag, 7. Juni 2020

S01E03 XMoto Programming, Fails und Fixing #I2C #XMOTO #JLCPCB

In dem letzten Video habe ich ja schon verschiedene Tests durchgeführt und war glücklich, das alles funktioniert hat. Tja … und dann kam Murphys Gesetz. man kann nicht alles testen und sich dann wundern dass doch etwas nicht funktioniert, wie auch in diesem Beispiel, das ich euch nicht vorenthalten möchte.

Freitag, 29. Mai 2020

S01E11 SMD bestückte XMoto von JLCPCB geliefert!! Kosten, Test und Fazit.

Es ist soweit, letztes Mal habe ich ja eine Platine designt die einen Motor betreiben sollte via I2C. vor zwei Tagen ist die Platine dann endlich angekommen und ich muss sagen ich bin vom Ergebnis begeistert, aber seht selbst hier ist ein kleines UNPack Video, dass euch zeigen soll wie die Platinen angekommen sind und im welchen Zustand ich sie auch das erste Mal gesehen habe. Disclaimer: Das ist keine Werbung für JLCPCB! Ich wurde und werde nicht dafür bezahlt dessen Produkte oder Tools hier zu erwähnen. Spindelkörper: https://ift.tt/3cfW1Zj Getriebemotor: https://amzn.to/2Za6vGG Hallsensor Polulu: https://amzn.to/2LuEdP1 Encoder Disk: https://amzn.to/2zGyhzU Marlin I2C: https://ift.tt/3erRRPB SAMI Motor Driver: https://ift.tt/2Xe89Wq Schaltung: https://ift.tt/2M5TAho Attiny1617 Arduino: https://ift.tt/2Xc0MyC SMT Assembly: https://ift.tt/2TQpF0T ------------------------------------------------------ PETG: https://amzn.to/2HCbCGB Anycubic i3 Mega: https://amzn.to/2HCcfjr Monoprice Select Mini II: https://amzn.to/2HjoPF5 Extruder: https://amzn.to/2HBzEkY Silicon socks: https://amzn.to/2EvvU2i EOS 200d: https://amzn.to/2XiAvfZ Videoleuchte: https://amzn.to/2WihDBg

Freitag, 22. Mai 2020

PCB Panel in EasyEDA for SMT Assembly

Please check also this link: https://ift.tt/3cXuj4z

Freitag, 15. Mai 2020

S1E10 platinen erstellen und bestücken mit easyeda sowie SMT Assembly

Please write me a comment how you like the project and what I could do better. Here are the links to the parts: LINKS ------------------------------------------------------ PETG: https://amzn.to/2HCbCGB Anycubic i3 Mega: https://amzn.to/2HCcfjr Monoprice Select Mini II: https://amzn.to/2HjoPF5 Extruder: https://amzn.to/2HBzEkY Silicon socks: https://amzn.to/2EvvU2i EOS 200d: https://amzn.to/2XiAvfZ Videoleuchte: https://amzn.to/2WihDBg

Freitag, 8. Mai 2020

S01E09 Toolchange in Detail

Please watch: "S01E08 Axis conversion and backlash compensation in Marlin" https://www.youtube.com/watch?v=1CFjprPVd14 --~-- Hello, I have been asked several times to take a close-up of the Toolchange process and publish it. I hope that I have succeeded to some extent :) Please write me a comment how you like the project and what I could do better. Here are the links to the parts: LINKS ------------------------------------------------------ PETG: https://amzn.to/2HCbCGB Anycubic i3 Mega: https://amzn.to/2HCcfjr Monoprice Select Mini II: https://amzn.to/2HjoPF5 Extruder: https://amzn.to/2HBzEkY Silicon socks: https://amzn.to/2EvvU2i EOS 200d: https://amzn.to/2XiAvfZ Videoleuchte: https://amzn.to/2WihDBg

Freitag, 1. Mai 2020

S01E08 Umbau der Achsen und Backlash Kompensation in Marlin

For all international users, please have a look at the English version of the video in my channel. ----- Ein großer Umbau meines Hypercubes von COREXY auf Trapezspindeln wird hier beschrieben. Ich bin sehr gespannt auf Eure Kommentare, bestimmt gibt es Sachen die man besser machen kann? Außerdem zeige ich Euch mein marlin update und deren Änderungen. Alle links zu meinen Entwürfen: Y-Achse: https://a360.co/2Yn56MH X-Achse: https://a360.co/2WiVqjo Einzelteile: Kupplung: https://amzn.to/3aNv5iU Schrittmotor Halterung: https://amzn.to/2YpIwmn Zahnriemen: https://amzn.to/3d6qhql T8 Spindel mit Kupplung: https://amzn.to/2YpeaRg T8 Antispiel mutter: https://amzn.to/2YuUScW Kupplung: https://amzn.to/3aRo2FJ Zahnriemenscheiben: https://amzn.to/35oeeCb Lagerböcke: https://amzn.to/3bXBJnW Nema 11 Schrittmotor: https://amzn.to/2KMglWS ------------------------------------------------------ PETG: https://amzn.to/2HCbCGB Anycubic i3 Mega: https://amzn.to/2HCcfjr Monoprice Select Mini II: https://amzn.to/2HjoPF5 Extruder: https://amzn.to/2HBzEkY Silicon socks: https://amzn.to/2EvvU2i EOS 200d: https://amzn.to/2XiAvfZ Videoleuchte: https://amzn.to/2WihDBg

S01E08 Axis conversion and backlash compensation in Marlin

A major conversion of my hypercube from COREXY to trapezoidal spindles is described here. I am very curious about your comments, surely there are things that can be done better? Also I show you my marlin update and their changes. All links to my designs: Y-Achse: https://a360.co/2Yn56MH X-Achse: https://a360.co/2WiVqjo Parts: Kupplung: https://amzn.to/3aNv5iU Schrittmotor Halterung: https://amzn.to/2YpIwmn Zahnriemen: https://amzn.to/3d6qhql T8 Spindel mit Kupplung: https://amzn.to/2YpeaRg T8 Antispiel mutter: https://amzn.to/2YuUScW Kupplung: https://amzn.to/3aRo2FJ Zahnriemenscheiben: https://amzn.to/35oeeCb Lagerböcke: https://amzn.to/3bXBJnW Nema 11 Schrittmotor: https://amzn.to/2KMglWS ------------------------------------------------------ PETG: https://amzn.to/2HCbCGB Anycubic i3 Mega: https://amzn.to/2HCcfjr Monoprice Select Mini II: https://amzn.to/2HjoPF5 Extruder: https://amzn.to/2HBzEkY Silicon socks: https://amzn.to/2EvvU2i EOS 200d: https://amzn.to/2XiAvfZ Videoleuchte: https://amzn.to/2WihDBg

Montag, 30. März 2020

S01E07 Spindlekopf zum Leiterplatten fräsen

For the english viewers, I have translated the whole text and put it at your disposal here: https://ift.tt/2UvAiXH Please write me a comment how you like the project and what I could do better. Here are the links to the parts: LINKS ------------------------------------------------------ PETG: https://amzn.to/2HCbCGB Anycubic i3 Mega: https://amzn.to/2HCcfjr Monoprice Select Mini II: https://amzn.to/2HjoPF5 Extruder: https://amzn.to/2HBzEkY Silicon socks: https://amzn.to/2EvvU2i EOS 200d: https://amzn.to/2XiAvfZ Videoleuchte: https://amzn.to/2WihDBg

XHTC S01E07 Spindle Head for PCB milling

Hello, friends,
I know you haven't heard from me in ages.
But I continued to work on the XHTC project and I have to admit that I got a bit lost ... but well, in the next few minutes I will explain to you what I have been doing in the last months and what I have done wrong ... maybe also some things right, who knows?
So what was my goal, after I had managed to design an extruder that could be changed automatically, the first step to an automatic tool change was reached.
Now I wanted to design a spindle that could produce a printed circuit board using an insulation process.
Well, and I got a little bit lost in the process ... but in order.
I needed a holder for the milling cutter and a motor to drive it, honestly I can't see and hear the topic motors anymore.
Here is a battery of all the motors I tested ... but first I had to design the holder in Fusion360, that was relatively easy.
There are several parts, 2 ball bearings as used in skateboards, a shaft with ER11 holder for the cutter and a motor that rotates the holder with a drive belt. In addition we need two pulleys from the 3D printer, the belt itself I got from Pollin and it still holds today ... and believe me, I really stressed this part :)
The motor is powered by the contact of the magnetic balls and can be controlled by the fan command.
The following points are important for the design:
1. since the cutter has a cutting surface of only 0.1mm, we need a high rotation speed, I am talking about values that should be beyond 10000 rpm, from 8000 on we should start to keep the cutting speed.
We are talking about values of 200-600 meters per minute. Just as an example, we have a diameter of 0.1mm and a speed of 10000 ... then we just reach a value of 3.14 meters per minute, that is very little. Everything below that makes our milling extremely slow and destroys the fine milling cutter.
So everything not so easy :)
2. the whole head with spindle, drive and bearing must not weigh more than 250gr, because my hypercube is not designed for bigger loads. This becomes a problem when you take a closer look at the tested motors. I could also think about giving the Hypercube 10 or 12mm rods as bearing guide, but unfortunately this has the disadvantage that the CoreXY system becomes heavier.
3. at the high speeds the vibrations have to be observed closely. Too much of it makes the milling cutter inaccurate and the whole system does not get good.
4. the run-out must not be more than 0.05, otherwise the milling is too wide and the milling cutter is only loaded on one side. This in turn has an effect on the tool life (i.e. the durability) of the milling cutter. but my dream milling cutter already costs around 10 euros.
5. the bed has to be absolutely flat and perpendicular with the XY axis, of course we will use an autoprobing, but it can't hurt because marlin here interpolates between the points.
That should be first of all enough points, which I must consider.
So let's proceed chronologically and I tell you what I had changed:
The first thing I changed... which engine do I use best?
So believe me, I have tested at least 10 engines. It must not be heavy, must reach a high speed and still be able to turn the spindle.
i can produce a transmission ratio of 2 to 1 via the drive wheels, but i have to buy this via power or speed.
First I looked at the brushed motors, clearly simply connect them to the fan output and I can control the speed. Problem with most of the motors is that they are all cheap. That means mostly no ball bearings and the shafts have some play ... does not matter but at high speeds and lateral load the motors sound very unhealthy. They are usually not designed for this, and they do not reach high speeds ... most of them stay below 10000 rpm.
Well, then I have ordered real race engines from RC model building, cool parts ... unfortunately too heavy. Such an engine weighs already loosely over 200 grams, so unfortunately also nothing.
Then I looked at my Mini Quadrocopter, they have these tiny motors with speeds of over 11000 rpm ... incredibly cool parts, I was really impressed by the performance. Unfortunately they are also a bit weak in the power range and could hardly turn the drive wheels. If you block such a small boy also while turning, the loose 2.5 Ampere pulls through these thin wires, it becomes a
Translated with www.DeepL.com/Translator (free version)
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Samstag, 8. Februar 2020

QUICKI: Z-Probe in a different way

A short sign of life from me, here I show you my new contact switch. It is used to avoid the use of cables for a Z-Probe. The milling cutter touches first the floating spring steel and then the workpiece. The milling cutter serves as a conductor. This of course requires an absolutely levelled bed. You can see and download the holder as Fusion Design here. https://ift.tt/31AprO2 -------------- Mal ein kurzes Lebenszeichen von mir, hier zeige ich Euch meinen neuen Kontaktschalter. Dieser dient dafür um bei einem Z-Probe auf kabel verzichten zu können. Der Fräser berührt zuerst den schwebend angebrachten Federstahl und danach das Werkstück. Der Fräser dient dabei als Leiter. Das setzt natürlich ein absolut geleveltes Bett voraus. Den Halter als Fusion Design könnt ihr hier sehen und runterladen. https://ift.tt/31AprO2