Show all posts by user

Acceleration during probing ? - 6 years ago

Is there any way of specifying acceleration during probing ? I am using a piezo probe on a Duet controller and the default acceleration is too fast - it triggers the probe at the start of the probe move. I just do a G29. The probing works fine in the middle 2/3 of the printer (CR10S5) but when the head gets close to the uprights, the system tightens up and the default acceleration will trigger th

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

I am still struggling with z stop by probe working but homing not triggering the probe. The one thing that I have completely overlooked is the electrical to Duet connection. Specifically, the duet has 4 inputs and the Orion board has three connection pins. I currently use the 3.3V line of the Duet to go to the V+ connection on the Orion, the ground pin from the Orion goes to the middle connector

by jens53 - General

Re: Z probe triggers on homing but not during probing - 6 years ago

Quotedc42 Can you confirm that the piezo unit is connected to the 4-pin Z Probe connector? Thanks for replying. Yes, it is. I also have a manual switch connected to the z endstop but it is not in the picture at this time. I just made some edits in the original question because I had made an error and I also tried to clarify things a bit. Yes, the probe is definitely connected and working correct

by jens53 - General

Z probe triggers on homing but not during probing - 6 years ago

I am setting up a Duet with a Piezo z probe. After considerable messing about, the probe triggers fine if I do a 'homez'. When I try a G30 probing run, it would appear that the Duet is disabling the probe input. I can not trigger the probe even with a sharp manual tap, the red light is off all the time. I get an error message saying the z probe was not triggered during the probing run. When I r

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

I have another update (I couldn't tack it onto the last post as the edit window apparently expired) A fresh day, a top-up of my patience bucket, lots of screwing around and it might look like I have a working sensor setup after all. I do not know which change in particular did the trick or if it was a matter of all together. Also, it's early days yet and I am not sure about reliability yet. The

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

Thank you Idris. I have not yet considered jerk settings but I will keep that in mind. I did try the mount you referred to but it did not work for me (unrelated to actual operation). I do not recall any more why it was not suitable. The mount I use is essentially the same as yours (including the cutouts) with the section attached to the Chimera being split into two. The top part of the mount I

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

I am using an Orion sensor with this mount which is a derivative of the officially suggested Chimera/Creality mount. Although I don't recall exactly where, I seem to recall that the screws for this sensor can be tightened fully. I have tried loosening the screws as per your suggestion and it seems to have improved the sensing of the 'up' movement (where it is not wanted) with no improvement on t

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

I have another related issue that has cropped up now that I have the piezo sensor working. When I home z, the printer does it's thing, moves up a bit stops and moves down to find z zero. I find that if I reduce sensor sensitivity enough so as not to trigger on the up/down movement, it ends up putting considerable pressure on the bed before it triggers. The bed probably moves 3 mm or more. I have

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

OK, I think I have it finally worked out. Although the probe seemed to work fine, it would appear it was set too sensitive. The mere act of the head moving down triggered the probe. I did not recognize the issue because the probe, after triggering, moves down another maybe 5 mm or so (why ??). It actually stops after triggering and then starts moving further down before reversing and moving back

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

Additional data point ... I have now moved the G30 into my homeall.g file and it behaves the same as before. When the M558 I parameter is set at 0, the printer reports that the probe was already triggered at start of the probing cycle and when I is set to 1, the error reported is that the probe did not trigger during the probing move. The probe reports fine on the web panel before the G30 command

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

Dang it .... false alarm. When I do a G30 the head only goes down about 5 mm before reversing. I can't manually trigger it to go less than that by tapping it

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

I stand corrected ... I was just doing another test and it actually WORKED !!!! WOOOOHOOOO Now to figure out why it didn't work before! Thank you SO much !!!!

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

Thank you for posting your config details. I commented mine out, copy/pasted yours in and adjusted x and y for active high. I noted that you have a "Z1" on your M558 line which I did not have. The other changes seemed to be immaterial to the situation. Anyway, with your config details set up, the printer behaves as it did before Seems that I am missing something else in the setup. I will experi

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

This is driving me slowly insane. Looking at the probe I see the following sequence of events: I home all printhead goes to 0/0 At this point I have no Z endstop defined so it stays wherever Z was I can tap the head and the red light goes off, the status panel shows the z stop going from 0 to 1000 and back to 0 Red light is on I issue a G30 Red light goes off (before any movement) Head travels d

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

Getting closer to discovering what is going on - after homing the printhead, I can see that the z probe is active (by tapping the printhead) . For some reason though, when doing the single probe G30 command, the z probe is shut off (ie not reacting to tapping). Again, it would appear that I have something set up wrong in config.g

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

Thank you for that input! The overall concept in my mind seems to be a bit flawed but I suspect the second link you provided will clear that all up for me. At the moment I am working on the first link you suggested. I have performed the static test and all is well. When I do the dynamic test however, the printhead never stops when using the G30 command yet a tap on the printhead has the Z probe

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

I am having trouble getting my Duet to use my Orion module as a z endstop. I am obviously missing something in the configuration but for the life of me I can't figure out what .... Here are the relevant config.g parameters: ; Endstops M574 X1 Y1 S1 Z1 S2 ; Set active high (S1) endstops for x and y, Z endstop is the z probe ; set up for piezo z probe M558 P8 I1 R0.4 F400

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

On a different note, I have used to mount the new Orion sensor to my Creality CR10 with good success. I am wondering if anybody has successfully used an openly available design for a print cooling system with that mount. Edit: the thingiverse link leads to thing 3001060

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

Quotesinned umm, why not just READ the installation instructions? it's all covered in there with pretty pictures too... just saying don't heat more than 130 for probing. excessive retracts are not necessary Ummmm ... yeah but that would be depriving you of telling me to RTFM and I wouldn't want o do that BTW, if you READ my original post asking about this, you would have noticed that I did inde

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

I can not retract more than 2 mm without risking plugging up the works. I use a full metal hot end and a titanium heat break which causes a sharp drop in temperature between the cod section of the hot end and the hot section. If I get the soft and squishy part of the filament into the cold section, it has a tendency to stick to the heat break which plugs up things. Now I must admit that this rule

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

Thanks for the info. I do retract (1.5 mm) at the end of a print but despite that, I get several inches of ooze. Usually about an inch between finishing the print and cool-down. I get another inch or two on warm-up for a new print. I use PETG, hence the filament drooling. I also print a skirt to prime. My printer is also a Bowden tube printer. Seems like I need to keep my procedures exactly as th

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

Short of reading 63 pages of messages ... quick question please. My old printer used a z endstop in addition to a BLtouch. The BLtouch was only used to map the bed. In the new printer there is no separate z endstop. When a print is started, the hot end normally heats up and then the printhead is homed. Will any bits hanging off the nozzle affect where the printer thinks that z 0 is ? Is there a s

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

Thank you for the explanation ! I have placed an order for two Orion boards to play with.

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

I am obviously mentally challenged because I am still having problems figuring it out. I understand that the PCB goes between the two plastic parts. The only way this might work is if the plastic parts are not mounted 'straight' on the top of the Chimera but if the whole thing is angled 45 degrees along the vertical axis (if that description makes sense) and if the two holes in the mounting brack

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

Thank you for the link to the mount. Is there a picture anywhere to see how the whole thing fits together. I am having trouble understanding how the mount attaches to the Chimera and how the whole thing fits together and works.

by jens53 - General

Re: Precision Piezo Z-probe Now available. - 6 years ago

Your store page indicates that you are working on an orion hotend mount for a Chimera hot end - what is the status on that. I am setting up a CR10-S5 for dual extrusion and the Chimera hot end and would like to try out this sensor method.

by jens53 - General

Re: UBL - how are probe points calculated? - 6 years ago

After a lot of screwing around, I have my answer! I had MIN_PROBE_EDGE 5 set in configuration_h which would not allow a probe cycle at 0 or 300 The position for probing points is based on (mesh_max - mesh_min)/ (# of probe points - 1) For the result to be reachable it has to fall inside of mesh_max - mesh_min and it can not be in the min_probe_edge range mesh_min and mesh_max reflect any confi

by jens53 - Firmware - Marlin

Re: UBL - how are probe points calculated? - 6 years ago

Still struggling with this ..... An interesting observation though: On a CR-10S with a 300 * 300 physical bed and a BLTouch Bed is set at 300 * 300. Mesh max x is 300 mesh max y is 300 I set the probe offset to x0 and y 0 !!!! The points probed are: 150/150 75/150 150/75 225/150 150/225 75/225 75/75 225/75 225/225 For some reason (and I suspect a bug), the automatic probing never ends up at x o

by jens53 - Firmware - Marlin

Re: UBL - how are probe points calculated? - 6 years ago

Further to my first post, I decided to simplify the issue and give some more details Notice that even though a 3*3 mesh was called for, only 4 positions were probed. The high X and Y positions show as unreachable. Any comment on why the high points are unreachable and/or how the probe locations are determined would be appreciated #define X_PROBE_OFFSET_FROM_EXTRUDER -40 #define Y_PROBE_OFFSET_

by jens53 - Firmware - Marlin

UBL - how are probe points calculated? - 6 years ago

I am running Marlin 1.1.9 on a Creality CR-10s with a BLTouch probe. I am trying to auto probe as much of the bed area as I can and am trying to fool the printer into going past the bed size (the mechanics allow the nozzle to go to x 319). Unfortunately, no matter what I try, the auto probing will not go to 319. The bed size has been specified as X 319 Y 300 and there is no inset specified for x

by jens53 - Firmware - Marlin