DDSCV1.1 3 and 4 axis offline motion controller

**magicniner** · 15-11-2016

You've replaced a graphic with an alternative graphic?

That's "Modding" alright!

;-)

**Merlin201314** · 15-11-2016

I would call this "customization", as i have no words to describe the original boot screen!!!
But i'm working on a very good graphic, so it will make sense then. This was just a trial.
A big thank to Benedikt for his contribution about the firmware, we hope to make this one "open source" soon.

**Lee Roberts** · 15-11-2016

Originally Posted by Merlin201314

I would call this "customization", as i have no words to describe the original boot screen!!!
But i'm working on a very good graphic, so it will make sense then. This was just a trial.
A big thank to Benedikt for his contribution about the firmware, we hope to make this one "open source" soon.

Yeah great work you two are doing on this, I read the mad modder thread on it last night.

I wonder if Boyan has seen it yet ?

**Merlin201314** · 15-11-2016

Originally Posted by Lee Roberts

Yeah great work you two are doing on this, I read the mad modder thread on it last night.

I wonder if Boyan has seen it yet ?

Mmmhhh, don't know , maybe not yet, in the meantime this is the better one, Benedict is going to include the design as default if possible, let's see how is going on in the next few days...
Cheers 🍻

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**Boyan Silyavski** · 15-11-2016

The modding this controller needs is the following:

-make A to be slaved to Y / i still dont know if that is not originally done as there is a place where you say if A is B, whatever that means even if degrees does not change to mm/
-make the squaring of gantry YA

-read the M06 command

-reassign the Limit switches inputs for other purposes . This controller only needs 4 home inputs, not 12

. Connecting the limits together on each axis , like is normally done by DIYers

Who is Benedict?

**Merlin201314** · 15-11-2016

The A axis slave reference can be set as A/X, A/Y, A/Z in my controller,

A or B axis selection is not clear in the software, but at this point everything is possible with the chinese.......
"circ" should mean mm in translation, as the circumference is measured in mm, not in degree,(rotation=degree)
Benedikt is the Mistery man :-)

**Boyan Silyavski** · 15-11-2016

I discovered that i have a problem with small carvings and very fine details. I tried 2 times to carve a stamp from aluminum ~30mm diameter, X and Y started slowly to loose position. Lowered the acceleration from 3000 to 1000, did a dry run also.

Same problem persists.

.

Now the question is: the controller??? or the servos need further tuning??? or i have to slow further things down, which i dont believe is the case. I remember i bumped up servos quite much to be responsive via software and even 3000 accelerations and more than 10000 mm/m speeds on objects like 200x200cm there was no problem at all. Checked initially the machine, does not seem to have sth loose.

Any ideas??? Could that be the small lines? Exported v carving file as arcs also, same again. Thinking about it it looses both X and Y and moves slowly in diagonal on every step down of the Z is visible. At the end of tool path controller shows same machine coordinates as on start 0.

Should i try to find the look ahead in the controller and make it bigger, i was thinking of disabling drawing the tool paths?

i don know what exactly to do now except bump more the servo response and see what happens