New A20M Model ?

psxsnake
Posts: 9
Joined: Thu Oct 17, 2019 7:29 pm

Re: New A20M Model ?

Post by psxsnake » Thu Nov 07, 2019 3:33 pm

theju wrote:
Thu Nov 07, 2019 3:15 pm
theju wrote:
Thu Nov 07, 2019 3:37 am
psxsnake wrote:
Wed Nov 06, 2019 4:34 am
I have same model variation.
Where you connect bltouch?
You have the 5 pins at the top of the small board, just under the big connector

Ju
Here the photo much easier to understand.

20191106_205327.jpg

Does anybody know what is the 3 poles connector under ?

Ju
perfect thanks... the servo pin is 27?

Hardl00k69
Posts: 1
Joined: Sat Jan 25, 2020 1:23 am

Re: New A20M Model ?

Post by Hardl00k69 » Sat Jan 25, 2020 1:28 am

Hello,
i have a different one kind of connexion on my A20M printer head.

Can anyone tell me how to connect 3D-Touch on this head?
Image

Thanks,

H.
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Ysorc
Posts: 1
Joined: Fri Jan 31, 2020 1:27 am

Re: New A20M Model ?

Post by Ysorc » Fri Jan 31, 2020 1:29 am

Same model same question, how to plug the 3Dtouch ?

wchuebner
Posts: 1
Joined: Wed Feb 26, 2020 6:13 pm

Re: New A20M Model ?

Post by wchuebner » Sat Feb 29, 2020 1:08 am

Hallo,

upper are grounds ...

Wi

cryoglobe
Posts: 8
Joined: Sat Oct 31, 2020 5:58 am

Re: New A20M Model ?

Post by cryoglobe » Sat Oct 31, 2020 6:15 am

Hello

I have my A20M since a week now ... and only did two print :)

I bought the 3dTouch ... but when looking the way to do on my new version ( V4 ) of the A20M ... and all the issues ( failure ) I see about it
I just wonder if I should not return it , and buy the original BLTouch ...

What do you think ?
Good idea ? useless ? bad idea ? ( and why )

cryoglobe
Posts: 8
Joined: Sat Oct 31, 2020 5:58 am

Re: New A20M Model ?

Post by cryoglobe » Sat Oct 31, 2020 6:36 am

Ysorc wrote:
Fri Jan 31, 2020 1:29 am
Same model same question, how to plug the 3Dtouch ?
As seen on a video ( from Geetech )

brown -
red - black
orange - white

Kashban
Posts: 8
Joined: Sat Apr 18, 2020 4:46 am

My A20t bought in Spring has this too

Post by Kashban » Mon Nov 09, 2020 2:15 am

They changed the hotend slide, appearently.

Instead of flexing off the nose you can also replace the endstop holder with a modified one which places the endstop switch further left.

I use the one included here: https://www.thingiverse.com/thing:4257275.

cryoglobe
Posts: 8
Joined: Sat Oct 31, 2020 5:58 am

Re: New A20M Model ?

Post by cryoglobe » Mon Nov 09, 2020 3:18 am

Hello

Could someone provide me the values of the setting as it is "out-of-the-box" for the A20M V4 ?
Especially the one in menu "Control / Motion"
- Velocity
- Acceleration
- Jerk
- Estep

Thanks a lot

for the story summary : ( see my point about estep below )

I tested my A20M out of the box , with correct prints
I installed my 3dtouch , following the Geeetech explanations ( video )

To get sticking prints to the plate .. I had to fine tune the z offset ( as documented and explain in lots of places )
I did it with the
application "pronterface" (https://www.pronterface.com/)
following this video ( https://youtu.be/y_1Kg45APko

( I did it a second time , as it was a little bit too low / touching the bed ... )

The next issue was that all my prints ( even the gcode already tested ) were really under extruded :(

I did the estep calibration ... I had to change the value from 395 to 931.6 ( yes ... that much
to get rid of the under extrusion issue.

Emily777
Posts: 1
Joined: Mon Nov 09, 2020 11:59 pm

Hello everyone

Post by Emily777 » Tue Nov 10, 2020 4:13 pm

Hello guys, thanks for your photos how to connect bltouse, it helped me
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