3D printing in practice

[Edwin]

overnight now I have these rings can run at a layer height of 0.02 mm.
Here you can already see the second layer , since one in the picture just can not recognize correctly the first .



So it is possible readily , but it starts all over again at all settings . The pressure with this extremely flat layer height is also a possibility , even if the part has become anything yet. The difficulty increases with the accuracy at very . So agree , for example, also the information on the tablet at print time and not more Layer height. The specified print time varies between one third and half of the time and really needed the specified height above the table as well. Since at least the software of the AP in the tablet does not seem to come up with those settings cope . However, the print itself is not even notice , only the very long loading times of the G- code by the size of the files nerf something .





I have the bruised part , because it is bonded by too much flow ( material feed ) anyway and the side surfaces by just plain gross . But what you can already see on the second picture is the excellent surface at the top of the smooth circulation in no way inferior .

When I came home were the first parts to the elephant finished and the new software works for it excellent. The support was now to remove without effort and it required little rework.

[img]http:/up.picr.de/18060891oq.jpg[/img]

[Woz]

Just ordered my printer so get ready for a barrage of questions.

[Phil]

... I was just thinking could you print me a 3D printer please....?

[ALPHA]

... I was just thinking could you print me a 3D printer please....?

Now why didn't I think of that ??????????????? ....Good one Phil

ALPHA

[Edwin]

Hi Phil,

that there are quite already that people have some printed with a 3D printer for a second. Many manufacturers use indeed Printed parts in their devices.

Cheers, Edwin

[Edwin]

I've also looks here the current state as my printer now.



Situated he is in the equipment room of my house, because it is without tension there in well ventilated area and the printer is no longer heard, despite its relatively low noise in the house even at night.
I have it still treats us with lighting.
There is a fan to cool the printed components assembled the needed with particularly fine and slender structures
The scope of the Z axis is supported on each side in addition with a strut.
The wiring is performed on all moving bodies in energy chains, the lower is still on a sliding support.

What is to come is a double linear guide to X and Y axis and a better fine-tuning of the printing table in order to better be able to work with very low layer heights of less than 0.08 mm.

[Woz]

Nice.

Have you thought about enclosing it in a box/case as I've read that this can help get more reliable prints (especially fine prints)

[Edwin]

Now I want to slowly come to the parts to print for which I have bought myself the printer. Nevertheless, I have to still try some.

Therefore, I have begun today something difficult.
For these tests, I use the drawing of a pulley half of the Panzer III in 1 / 6th It looks so relatively easy, but the difficulty starts with the fact that it must be printed to 95% in the air and I thus have to work accordingly with support.

Currently running on my printer , the first attempt of this pressure roller to which I have created the G- code with a freeware program . Layer height 0.1 mm

In the software that looks like this . here is a section in which you can see the good support including some error in Brim ( outer circumferential line) but these are not relevant.



And here is the final in the simulation roller.



This is now being printed and will require about 10.5 hours.



For comparison, I also have a more professional program that you have to buy , but I'm not ready yet behersche . But since I was able to start with a layer height of 0.08 mm. Duie settings are still 90% standard and it results in an estimated run time of 13.5 hours.
Here for comparison the cut in the support.



And here again the finished roller.



Let's see what comes out . If I succeed are the wonderful master to metal casting.

[Edwin]

Hi Woz,

I have my printer deshal situated in a small utility room where there is always gleichmäsig warm, no drafts and the room is still well ventilated. This is almost like a large cabin.

Cheers, Edwin

[Edwin]

The first runner with the freeware program is now printed and as I expected it still significantly improved.

Here the stand when I arrived at night from work.





Then this morning the final of the printer roller half.

.

I have not yet settled for a better comparison of the raft and support. However, the surface is still significantly improved, although it would be useful for this scale since the parts must always be reworked because of their complexity . But what I still do not see the bottom and leave as peel off the supporting structures. The pressure took the way two hours longer than the calculation of the program.

Then I started printing with the purchased software. This shows from the beginning distinct differences. It is a rich Raft ( Haftstrucktur ) printed with an easier to be detached interlayer and I have also a much richer Brim ( A Brim fills the extruder nozzle and drives air bubbles from the nozzle which can interfere with the pressure and is always drawn around the component ) to the pressure the no serrations shows . Similarly, the support structures look much cleaner . What also strikes me is the much quieter and not so hectic procedure of printing table .