Best Z Probe for Duet 3 Mini 5+
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@gloomyandy ..hmmm, maybe I saw an aftermarket design (thingiverse?) that had the steelball and PINDA in a housing. Nevermind ...
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@pickett Euclid Probe. It's a dockabe/removable probe that uses magnets for electrical and mechanical connection.
It uses a microswitch which is proven in terms of reliability,. It does not care what the bed surface is- textured PEI, glass, garolite. Its unaffected and not influenced by magnetism. You don't have to worry about preheating the nozzle schmutz. Standard is 80C service, but higher temp service version are available.
Proof is in the results- this is first run on a RailCore.
Here is bedmap of another RailCore with a 'defective' magbed- the probe is actually sensing the deflection of the Builtak sheet over the hollows created by the magnets being too low.
Depending on the printer model, there may be a mount and dock already designed for it.
Full disclosure: I am the one who deisgned it.
available from www.lukeslab.online
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@pickett said in Best Z Probe for Duet 3 Mini 5+:
it seems prone to breaking
Do you have an original BlTouch? Did it ever brake?
I have used bltouch for several years in an open frame printer (no heated chamber) and never had a problem. Used is for Z homing as well as mesh compensation. it's advantage is that it measures the actual top surface (e.g. PEI) rather than extrapolating from some metallic layer below it.
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@sinned6915 said in Best Z Probe for Duet 3 Mini 5+:
Is this a stowaway microswitch with a magnetic mechanical/electrical coupler? Some derivative of it are popular in the voron circles and is know in general as the 'clicky probe'.
https://github.com/jlas1/Klicky-Probe
It's a clever idea, which can replace the z switch and inductive probe and actually measure the top surface. It's on my TODO list. I presume that the switch is NC so if the switch was not found, the process with abort before crashing into the bed.
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IR probe is my choice, works OK for me. Learning it's behaviour for different printsurfaces so one can compensate is needed.
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@tecno, have you used IR with a PEI sheet (e.g. 1mm), if so, what was your experience?
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@zapta klicky is derived from Euclid. jlas credits it in his source documantation.
The Voron peeps did not lke the idea of an outside sourced PCB or magnets that were not in their BOM.
Euclid is much simpleter to construct and install. There are no reliability issues with docking/undocking. we are almost 200k test cycles- the only misfires are when I forget the change offsets between switches.
So far the list of deployments is growing- Ender3, Ender5, RailCore, V-Core3/RatRig, Voron 2.4, Tiny-M.
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@sinned6915 said in Best Z Probe for Duet 3 Mini 5+:
@zapta klicky is derived from Euclid. jlas credits it in his source documantation.
The Euclid looks more 'professional' than the Voron Clicky probe. Are there 3D models to install it on a V2.4 with standard direct drive Clockwork extruder?
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@zapta thanks for the compliment.
I do not know that extruder combination. I am happy to help, but lets not clog up the OP's thread.DM me or jump to our Discord channel https://discord.gg/jfnVrUx2uK and we can figure it out.
sinneD
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Thanks @sinned6915. I think I found it, in the Docs by Printer folded section here https://www.euclidprobe.com/02-probe-docks-toolboard-mounts/ . I may give it a try. People are seems to be happy in general with this approach.
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@zapta its a knockoff 3d Touch made by RedRex whom seems to make good knockoffs. I was just interested in something better, more durable, can take more abuse than a sensitive BL TOuch or 3D TOuch for that matter so anyways yeah I will probably check out that EuclidProbe and see how that goes as it appears it has a good happy user base so I cant see anythimg wrong with giving it a go..... Thanks!
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Ill be installing that Euclid Probe into my Anycubic Chiron that I converted to utilize Linear Rods NOT Rails as I feel that Rails are a bit too stiff plus I like how the Rods look. So I essnentially am building a Prusa'fied Chiron but I like to call it Chiron LRE or Chiron 3.0 lols cause i really is. The Chiron 2.0 I had built used an BTT SKR 1.4 Turbo of which I used to think was THE best board one could get tht is til I learned abut the Duet3d boards!!!!!!!
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@zapta the last probe i used was an IR probe.
I tried everything- I laminated the 0.04 pei to a piece of black anodized aluminum sheet to imporve the reflectivity.
Ambient light scatter still threw it off.
Hence the developement of the Euclid Probe. -
@sinned6915 said in Best Z Probe for Duet 3 Mini 5+:
Hence the developement of the Euclid Probe.
It's a very elegant design. If you are the original developer of this concept, Chapeau!
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@zapta said in Best Z Probe for Duet 3 Mini 5+:
@tecno, have you used IR with a PEI sheet (e.g. 1mm), if so, what was your experience?
I use PrimaCreator FlexPlate PEI and I usually have to baby step printhead down a bit.
Using backside to print PETG usually no babystep.No mechanical probes for me anymore as I have had my share of big problems with that shit.
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After reading this thread I decided to replace the Z probe on my printer with a stowaway microswitch kind, so built a Voron Clicky Probe from a swtich and magnets I had and its seems to work quiet well. It is definitely simpler than the standard Voron V2.4 z stop + induction probe arrangement and it measure the actual top surface which I prefer. Also added gcode to the pick/drop macros to verify that the probe is actually picked/dropped as expected for extra safety.
What is a good way to quantify the accuracy or consistency of a probe?
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@arnold_r_clark said in Best Z Probe for Duet 3 Mini 5+:
with a zero/zero offset to the nozzle
Can you explain this? Do you mean X offset? Y offset? Z offset? Something else?
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A lot of people use the CR-3D SupCRprobe... a temperature stabilized inductive sensor which works with extremely high repeat accuracy
https://www.cr3d.de/kategorie/elektronik/sensorik/
here e.g. in the C1mini with Duet 3 Mini 5+
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@zapta This is what I do:
M98 P"k/probe-attach.g" G1 X100 Y100 F18000 G30 G30 P0 X100 Y100 Z-9999 G30 P1 X100 Y100 Z-9999 G30 P2 X100 Y100 Z-9999 G30 P3 X100 Y100 Z-9999 G30 P4 X100 Y100 Z-9999 G30 P5 X100 Y100 Z-9999 G30 P6 X100 Y100 Z-9999 G30 P7 X100 Y100 Z-9999 G30 P8 X100 Y100 Z-9999 G30 P9 X100 Y100 Z-9999 S-1 M98 P"k/probe-detach.g"
If it isn't obvious, I too have a clicky probe (annex quickdraw in this case).