Smart Effector including toolboard-capabilities?

o_lampe

@dc42 said in Smart Effector including toolboard-capabilities?:

It's clear to me that the Orbiter could not be used with a Smart Effector made to the current dimensions. We would need to increase the rod spacing to at least 80mm in order to accommodate the various parts of the extruder. We are looking into this, however it would make it unsuitable for the smaller delta printers.

Hi dc42,
I just stumbled across this thread and wanted to guide you back to 2016 , when we discussed the cycloidal direct drive. (I still have it laying around)
I've made an 45 degree adapter for it, that suited the smart effector pretty well.

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Another way to mount it, was the split motor/gearbox idea.
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I could try to reuse my motor and design a BMG-drive for the Smart effector?

apak

video_2021-02-11_00-13-44(1).mp4
We are doing some prototyping, with a regular orbiter, changing some aspects of the body.

It actually is a pivot extruder, so it can rotare freely within the rod arms...

It´s not my doing, just a friend´s I am helping him to achive it

dc42

Looks good!

We do have plans to produce a combined Smart Effector and tool board. The main decision we need to take is how large to make it.

apak

@dc42 We are just two 3d printing fans....just doing it as a hobbie...no bussiness attached

Lorincz Robert

@dc42 Hi, I'm the designer of the Orbiter extruder.
For delta printers you need the version with flipped gears like this one:
https://www.thingiverse.com/thing:4609940

The filament path is closer to the middle of the extruder so has a better clearance towards the rods.

I designed an adapter to fit this version you can find it here:
https://www.thingiverse.com/thing:4648938

The result is not the best but it works.

The upcoming V2 will be more optimized in size and would fit better to delta printers. But I have not tried it yet.

dc42

@Lorincz-Robert , thanks. Looking forward to the V2!

Lorincz Robert

here is a teaser video of V2:
https://www.youtube.com/watch?v=hpvJZ1BHheM&t=2s

garyd9

@Lorincz-Robert said in Smart Effector including toolboard-capabilities?:

here is a teaser video of V2:
https://www.youtube.com/watch?v=hpvJZ1BHheM&t=2s

Watching the video in the context of this thread (which is specific to the smart effector and delta printers), my impression is that the filament path doesn't seem any closer to the center of the extruder (compared to the "CR" version of the orbiter.) If the offset is the nearly the same, the same type of adapter that moves the extruder high up above the effector will have to be used... At that point, many people will prefer a full size "flying" extruder floating 40 to 50mm over the effector.

I'm also concerned about the low suggested 'jerk' suggested for the orbiter. Low jerk negatively impacts pressure advance, and more pressure advance would be needed when there's a long filament path between the extruder and effector.

Hergonoway

@apak this looks very promising, is there any way to follow your progress on this project? like a thingiverse page or a forum thread?

apak

@Hergonoway It´s not my doing...I am just a part of it as I "consultant". The guy doing it might do some tweaks, but He is planning on a whole differnt design for a direct extrusion for smarteffector. He is up to date with this thread so He might post something

dc42

We'll hold fire on designing a combined Tool Board/Smart Effector until we know what rod spacing we need to use to accommodate an extruder mounted directly on it. I think it will be around 80mm, but we really need to know extruder dimensions to be sure.

mrac1

This design work's pretty good an the rod spacing is 64 mm. Do you need the step file?

garyd9

@mrac1 said in Smart Effector including toolboard-capabilities?:

This design work's pretty good an the rod spacing is 64 mm. Do you need the step file?

That would be nice. That doesn't look quite like the orbiter - is it something you designed? Any information you can provide to replicate would be very useful.

I'm desperate to replace the nimble I'm using on my smart effector. I'm actually considering going back to a titan extruder, pancake motor, and piezo all hanging from a non-smart effector.

Hergonoway

@mrac1 I'd be glad if you could provide the step file. I'd like to try something with the dc42's 80mm assumption base on your model.

I've got 2 questions:

why did you choose this ball stud placement? Wouldn't it been easier to "just" offset the ball studs from the smart effector set horizontally to reach the desired clearance? Maybe it's just for the design aspect, or because of the top heater connector but I have to ask
what's your feedback with this 2x4010 blowers configuration? Main issue with a smart effector and a mosquito is the vertical clearance to play with while keeping a good airflow distribution.

mrac1

@garyd9 Yes, it's my own design. Here is the step file: https://1drv.ms/u/s!AnpMmSRyS0cUkJ94Y0O-LqHwrEh7RQ?e=yLTPwj

mrac1

@Hergonoway the 64 mm rod spacing comes from my first design without smarteffector: https://www.thingiverse.com/thing:3609378
And yes, it should also look as good as possible

The two 40x10 fans work extremely well! However, it also took many attempts until the air flow was right.

garyd9

@mrac1 said in Smart Effector including toolboard-capabilities?:

@garyd9 Yes, it's my own design. Here is the step file: https://1drv.ms/u/s!AnpMmSRyS0cUkJ94Y0O-LqHwrEh7RQ?e=yLTPwj

I'm impressed. That's a nice compact design, and looks printable without too much problem. 5:1 ratio? Are all the parts (gears, bearings) out of a BMG extruder?

If all the "guts" are BMG parts, I might have to order one and try that for myself...

Thank you
Gary

mrac1

@garyd9 Yes, all parts are from the BMG, and the ratio is 5:1. You also need M3/M2.5 screws and M3 brass inserts. Version 1.0 is without brass inserts and is still in use on my two deltas.

garyd9

@mrac1 said in Smart Effector including toolboard-capabilities?:

@garyd9 Yes, all parts are from the BMG, and the ratio is 5:1. You also need M3/M2.5 screws and M3 brass inserts. Version 1.0 is without brass inserts and is still in use on my two deltas.

Can you tell me what values you use for M92 (steps/mm), M201 (acceleration), and M566 (jerk) with that extruder? How is the print/extrusion quality?

I might alter your model in two ways: First, I actually prefer using nuts (or even better: lock nuts / nylocks)to brass inserts when feasible. I once had a brass insert pull out, but I've never had that happen with a nut. Second, I'm thinking about modifying the "FilamentGuide" part to remove some plastic in order to make the BMG plastic wheel/gear a bit more accessible for manually turning it.

Thank you for sharing your design!

Take care
Gary

mrac1

@garyd9 Print quality is a bit better than my Prusa MK3s.

There isn't much room for nuts and my first version, as I said, simply screws directly into the plastic.

Here are my values:

M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation
M92 X200.00 Y200.00 Z200.00 E709 ; set steps per mm
M566 X1200 Y1200.00 Z1200.00 E600.00 ; set maximum instantaneous speed changes (mm/min)
M203 X18000.00 Y18000.00 Z18000.00 E4800.00 ; set maximum speeds (mm/min)
M201 X3000.00 Y3000.00 Z3000.00 E4000.00 ; set accelerations (mm/s^2)
M204 P1250 T3000 ; set print and travel accelerations (mm/s^2)
M906 X1000 Y1000 Z1000 E370 I40 ; set motor currents (mA) and motor idle factor in per cent