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    Missing Steps - Cant Print SpreadCycle StealthChop tuning help

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    Tuning and tweaking
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    • droftartsundefined
      droftarts administrators @fulg
      last edited by

      @fulg @carcamerarig Thanks, both! Just finishing off wiring up the 5+ in place of my Duet WiFi board (one of the early white PCB beta boards, it's been on the printer a loooong time!)

      Ian

      Bed-slinger - Mini5+ WiFi/1LC | RRP Fisher v1 - D2 WiFi | Polargraph - D2 WiFi | TronXY X5S - 6HC/Roto | CNC router - 6HC | Tractus3D T1250 - D2 Eth

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      • droftartsundefined
        droftarts administrators
        last edited by

        @fulg @carcamerarig I've set up my printer (basically something like a Prusa i3 bedslinger) with settings as close to yours as possible. The basic motor settings are:

        ; Drives
        M569 P0.0 S1 V0                                     ; physical drive 0.0 goes forwards
        M569 P0.1 S0 V0                                     ; physical drive 0.1 goes forwards
        M569 P0.2 S1 V0                                     ; physical drive 0.2 goes forwards
        M569 P0.3 S0 V0                                     ; physical drive 0.3 goes forwards
        M569 P0.4 S1 V0                                     ; physical drive 0.3 goes forwards
        M584 X0.0 Y0.1 Z0.2:0.4 E0.3                              ; set drive mapping
        M350 X16 Y16 Z16 E16 I1                            ; configure microstepping with interpolation
        M92 X80.00 Y80.00 Z800.00 E743.50                  ; set steps per mm
        M566 X100.00 Y100.00 Z12.00 E300.00                ; set maximum instantaneous speed changes (mm/min)
        M203 X18000.00 Y18000.00 Z600.00 E3600.00            ; set maximum speeds (mm/min)
        M201 X2000.00 Y2000.00 Z20.00 E600.00                ; set accelerations (mm/s^2)
        M906 X1000 Y1000 Z800 E450 I30                          ; set motor currents (mA) and motor idle factor in per cent
        M84 S30                                               ; Set idle timeout
        

        I ran a quick test of 100 iterations at full speed (F18000 or 300mm/s) going from X0 Y0 to X200 to Y200 and back. No problems. I then printed (air print, no nozzle or bed heating, no extrusion, but all motors moving) @carcamerarig gcode file, which is a cube and a cylinder. Travel moves are at 80mm/s, where I think you were seeing the problem, but these were okay for me, too.

        One thing I've noticed; both of you have your M566 (max instantaneous speed change/jerk) set very low on X and Y. I usually have mine set at the default from the configuration tool, which I regard as pretty conservative, which is:
        M566 X900.00 Y900.00 Z12.00 E300.00 (ignore Z and E)
        fulg: M566 X100 Y100 Z30 E4000
        carcamerarig: M566 X240.00 Y240.00 Z25.00 E600.00 P1
        The effect of this is that it may slow down on curves. The sinusoidal fill seemed slow on the air print, but otherwise shouldn't particularly matter.

        My only other current observation is that I have a v0.5 Mini 5+. What are your board versions?

        I'll should have a little time over the coming days to run some more tests, to try and get it to skip. Any suggestions welcome!

        Ian

        Bed-slinger - Mini5+ WiFi/1LC | RRP Fisher v1 - D2 WiFi | Polargraph - D2 WiFi | TronXY X5S - 6HC/Roto | CNC router - 6HC | Tractus3D T1250 - D2 Eth

        carcamerarigundefined fulgundefined 3 Replies Last reply Reply Quote 1
        • carcamerarigundefined
          carcamerarig @droftarts
          last edited by

          @droftarts
          Not sure on board version I have a Board ID: Z9NZN-A296U-D65J0-40KM4-LY03Z-ZPQPD can you tell from that? Purchased direct from Roland in Jan 21.

          In my SBC setup I was at M566 X600 Y600 Ill try at 900 now and report back but I fear it will make it worse...

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          • carcamerarigundefined
            carcamerarig @droftarts
            last edited by

            @droftarts Can you give me your AirPrint gcode file?

            droftartsundefined 1 Reply Last reply Reply Quote 0
            • droftartsundefined
              droftarts administrators @carcamerarig
              last edited by

              @carcamerarig said in Missing Steps - Cant Print SpreadCycle StealthChop tuning help:

              @droftarts Can you give me your AirPrint gcode file?

              Sorry, away from machine now. I just commented out the heater commands in the Gcode file, sent M302 P1 to allow cold extrusion, and unloaded filament. It just fits on my 200x200 bed!

              Ian

              Bed-slinger - Mini5+ WiFi/1LC | RRP Fisher v1 - D2 WiFi | Polargraph - D2 WiFi | TronXY X5S - 6HC/Roto | CNC router - 6HC | Tractus3D T1250 - D2 Eth

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              • droftartsundefined
                droftarts administrators
                last edited by

                @carcamerarig said in Missing Steps - Cant Print SpreadCycle StealthChop tuning help:

                Not sure on board version

                It’s printed on the back of the PCB.

                Ian

                Bed-slinger - Mini5+ WiFi/1LC | RRP Fisher v1 - D2 WiFi | Polargraph - D2 WiFi | TronXY X5S - 6HC/Roto | CNC router - 6HC | Tractus3D T1250 - D2 Eth

                carcamerarigundefined 1 Reply Last reply Reply Quote 0
                • fulgundefined
                  fulg @droftarts
                  last edited by

                  @droftarts My Mini5+ was a v1.0. I say "was" because it is no longer in my hands, I sent it back for warranty exchange for an unrelated problem. I am getting a replacement in a few days.

                  The speeds are quite low in order to try and work around this issue, my usual speeds were 6x higher (M566 X600 Y600 Z60 E8000). I saw it with print speeds of 40mm/s and travel speeds of 100mm/s and those very slow instant speeds. Similarly my motor currents are higher than what I usually run.

                  I see that you are running 1.8° motors (80 steps/mm!), as far as I know everyone affected here is running 0.9° motors.

                  Cheers,
                  Ben.

                  VORON V2 CoreXY + Duet3 Mini5+ Ethernet v1.0 with Mini2+ expansion, VORON V0 CoreXY + Duet2 Maestro

                  droftartsundefined 1 Reply Last reply Reply Quote 0
                  • droftartsundefined
                    droftarts administrators @fulg
                    last edited by

                    @fulg said in Missing Steps - Cant Print SpreadCycle StealthChop tuning help:

                    I see that you are running 1.8° motors

                    Yes, you’re quite right, I wanted to get a baseline, though @carcamerarig reported the same issue with 1.8 motors. I’ll swap X and Y for 0.9 motors the first chance I have. I don’t have any LDO motors yet, so will have to be Wantai and E3D. Thanks for the info!

                    Ian

                    Bed-slinger - Mini5+ WiFi/1LC | RRP Fisher v1 - D2 WiFi | Polargraph - D2 WiFi | TronXY X5S - 6HC/Roto | CNC router - 6HC | Tractus3D T1250 - D2 Eth

                    carcamerarigundefined fulgundefined 2 Replies Last reply Reply Quote 0
                    • carcamerarigundefined
                      carcamerarig @droftarts
                      last edited by

                      @droftarts

                      Yep its worse with a higher jerk level but at least you can hear it on the videos now as its been difficult to show/hear with the fans running... It literally shakes everything in and on my cabinet.
                      While setup on SBC mode I found out one or more of the bigger bangs broke my Y motor holder (cracked it), its replaced now with a spare I had but it can't be good for the printer or the bearings...

                      A mild travel bang

                      Infill mini bangs

                      fulgundefined 1 Reply Last reply Reply Quote 0
                      • carcamerarigundefined
                        carcamerarig @droftarts
                        last edited by

                        @droftarts I can still send mine to you, I thought as we discussed my issue is not unique to the 0.9's to rule those out?

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                        • fulgundefined
                          fulg @carcamerarig
                          last edited by

                          @carcamerarig I am hearing the same bang on my machine when printing as your first video, then there is a rather large layer shift, ruining the print in progress.

                          I thought you also had 0.9° motors since that was brought up earlier in the thread (sorry for assuming!). So I won't bother installing my old 1.8° motors, maintenance is never fun but it's worse if you do it for no good reason.

                          I still have my old Duet2+Duex5 boards, those worked great on the same printer!

                          VORON V2 CoreXY + Duet3 Mini5+ Ethernet v1.0 with Mini2+ expansion, VORON V0 CoreXY + Duet2 Maestro

                          carcamerarigundefined 1 Reply Last reply Reply Quote 0
                          • fulgundefined
                            fulg @droftarts
                            last edited by

                            @droftarts My motors are from OMC StepperOnline, 17HM19-2004S, running at 24V of course. I have some LDO 0.9° HT steppers on hand now but I have not yet installed them.

                            VORON V2 CoreXY + Duet3 Mini5+ Ethernet v1.0 with Mini2+ expansion, VORON V0 CoreXY + Duet2 Maestro

                            droftartsundefined 1 Reply Last reply Reply Quote 0
                            • droftartsundefined
                              droftarts administrators @fulg
                              last edited by

                              @fulg I’m using a 12V PSU, so will need to swap that for 24V. Thanks for reminding me!

                              Ian

                              Bed-slinger - Mini5+ WiFi/1LC | RRP Fisher v1 - D2 WiFi | Polargraph - D2 WiFi | TronXY X5S - 6HC/Roto | CNC router - 6HC | Tractus3D T1250 - D2 Eth

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                              • carcamerarigundefined
                                carcamerarig @fulg
                                last edited by

                                @fulg Correct I was running the LDO 0.9's when I set up the duet for the 1st time, I changed them to the 0.9's from the 1.8's that shipped with the machine with the promise of higher resolution, ive switched back to the original 1.8's to test if its unique to the motors as other have success with the 1.8's. Mine issue is happening on both 0.9 and 1.8.

                                1 Reply Last reply Reply Quote 1
                                • SputnikOC3dundefined
                                  SputnikOC3d
                                  last edited by

                                  Any type of an update on this issue ? TMC have any input and perhaps narrow down the testing options ?

                                  droftartsundefined 1 Reply Last reply Reply Quote 0
                                  • droftartsundefined
                                    droftarts administrators @SputnikOC3d
                                    last edited by

                                    @sputnikoc3d unfortunately, due to Easter holidays and me being a parent, I haven’t made any progress. If you can share your settings that trigger the problem, that would be helpful.

                                    When I get the chance, one of the first things I’m going to look at is using low jerk settings with high acceleration. To my mind, this is a bad combination. @carcamerarig @fulg do you still get bangs if you set X and Y jerk and acceleration to:

                                    M566 X900.00 Y900.00
                                    M201 X500.00 Y500.00
                                    

                                    (This is the default from the configuration tool.)

                                    Ian

                                    Bed-slinger - Mini5+ WiFi/1LC | RRP Fisher v1 - D2 WiFi | Polargraph - D2 WiFi | TronXY X5S - 6HC/Roto | CNC router - 6HC | Tractus3D T1250 - D2 Eth

                                    carcamerarigundefined fulgundefined 4 Replies Last reply Reply Quote 0
                                    • carcamerarigundefined
                                      carcamerarig @droftarts
                                      last edited by

                                      @droftarts those videos I just posted were at the default Jerk settings, I darent go any higher in fear of breaking printed parts again.

                                      1 Reply Last reply Reply Quote 1
                                      • carcamerarigundefined
                                        carcamerarig @droftarts
                                        last edited by

                                        @droftarts can you get me a 6hc, duet 2 sent out or something I can use in the meantime. It’s turned the printer into a paper weight...

                                        1 Reply Last reply Reply Quote 1
                                        • fulgundefined
                                          fulg @droftarts
                                          last edited by

                                          @droftarts I only set low jerk to try and work around this issue. If you are somehow saying that low jerk and high accel could cause this, IMO this means RRF is broken (at least on Mini5+) because while it may not be ideal, this always worked before with previous Duet boards.

                                          One thing that was suggested to me (outside of this forum) is that I am not doing M17 and G4 P100 before moving motors the first time, reading the docs this seems to say that the required stealthChop/spreadCycle calibration of the TMC2209 will not occur. I would have expected RRF to do this implicitly, but perhaps it does and I am misunderstanding.

                                          There are several fixes that have been made recently that specifically target the Duet3 mini, maybe 3.3b3 will help resolve this.

                                          VORON V2 CoreXY + Duet3 Mini5+ Ethernet v1.0 with Mini2+ expansion, VORON V0 CoreXY + Duet2 Maestro

                                          carcamerarigundefined dc42undefined 2 Replies Last reply Reply Quote 0
                                          • carcamerarigundefined
                                            carcamerarig @fulg
                                            last edited by

                                            @fulg I’m sure @dc42 said it needed to be a bit longer like 130ms 150ms suggested.

                                            Argoundefined fulgundefined 2 Replies Last reply Reply Quote 0
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