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    CR-10S Pro stepper recommendation

    Scheduled Pinned Locked Moved
    Duet Hardware and wiring
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    • Phaedruxundefined
      Phaedrux Moderator
      last edited by

      Yes those look ok provided the Z motor will fit. The E motor will be ok when using a geared extruder, but those tiny pancakes have limitations on torque that you will need to be aware of. I use those X Y motors on my corexy and have been happy with them.

      Z-Bot CoreXY Build | Thingiverse Profile

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      • MartinNYHCundefined
        MartinNYHC
        last edited by

        I'm using a Bondtech BMG-M with Mosquito. I think that will work.

        Thanks for your help!

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        • MartinNYHCundefined
          MartinNYHC
          last edited by

          Good news is, that the steppers are attached to the printer. Bad news is, my printer is louder than before 😵

          Joking aside. Now i seem to have a Z axis problem. It makes a terrible very very loud noise when moving. Just found out, that the steppers are making noises when moving and the noise is transfered to the Z axis thread and will be boosted.

          Am I doing something wrong? Changed the currents in the config

          M906 X1600 Y1600 Z1600 E700 I50	                    	; set motor currents (mA) and motor idle factor in per cent
          

          I'm a little bit irritated now 😞

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          • MartinNYHCundefined
            MartinNYHC
            last edited by

            Here's a video without Z axis thread

            https://youtu.be/FYeSaApQHEA

            and with Z axis thread

            https://youtu.be/VqZP_wAFFvw

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            • Phaedruxundefined
              Phaedrux Moderator
              last edited by

              Yeah that's not right. Are those the new motors you replaced or the old ones?

              Do they sound the same detached from the frame?

              Are the motor phases matched?

              https://duet3d.dozuki.com/Wiki/Choosing_and_connecting_stepper_motors#Section_Identifying_the_stepper_motor_phases

              Z-Bot CoreXY Build | Thingiverse Profile

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              • MartinNYHCundefined
                MartinNYHC
                last edited by MartinNYHC

                That's the new ones! 😞 Yes, they are also quite noisy when detached. Already checked the phases. Also played around with the settings but without success. I have no idea what to do next.

                My current settings are

                ; Drives
                M569 P0 S1                                          	; physical drive 0 goes backwards
                M569 P1 S1                                          	; physical drive 1 goes backwards
                M569 P2 S1                                          	; physical drive 2 goes forwards
                M569 P3 S0                                          	; physical drive 3 goes backwards
                M584 X0 Y1 Z2 E3 	                                 	; set drive mapping
                M350 X16 Y16 Z16 E16 I1		                          	; configure microstepping with interpolation
                M92 X80 Y80 Z400 E415.00			 	           		; set steps per mm
                M566 P1 X1200.00 Y1200.00 Z12.00 E2000.00		      	; set maximum instantaneous speed changes (mm/min)
                M203 X9000.00 Y9000.00 Z800.00 E5000.00			      	; set maximum speeds (mm/min)
                M201 X500.00 Y500.00 Z20.00 E5000.00	        		; set accelerations (mm/s^2)
                M906 X1600 Y1600 Z600 E700 I50	                    	; set motor currents (mA) and motor idle factor in per cent
                M593 F31		
                ;M572 D0 S0.05		                                  	; set pressure advance
                M84 S30                                             	; Set idle timeout
                
                
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                • Phaedruxundefined
                  Phaedrux Moderator
                  last edited by

                  I would say something is wrong with the motor.

                  Test the Z motor on another driver just to be sure.

                  How fast are you trying to move the motor?

                  Z-Bot CoreXY Build | Thingiverse Profile

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                  • MartinNYHCundefined
                    MartinNYHC
                    last edited by

                    Both Z steppers have the same issue.

                    G91              ; relative positioning
                    G1 Z5 F3000	H1	 ; lift Z relative to current position
                    G90              ; absolute positioning
                    G1 X150 Y150 F6000 ; go to first probe point
                    G30              ; home Z by probing the bed
                    
                    
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                    • Phaedruxundefined
                      Phaedrux Moderator
                      last edited by

                      Does the model label on the motor match what you ordered?

                      Z-Bot CoreXY Build | Thingiverse Profile

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                      • MartinNYHCundefined
                        MartinNYHC
                        last edited by

                        Good hint. Yes, they match.

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                        • Phaedruxundefined
                          Phaedrux Moderator
                          last edited by

                          And what is the model? Maybe we can check the specs again.

                          Did you try the motor on a different driver to eliminate the Z driver? You're using both motors on the Z driver, correct?

                          Z-Bot CoreXY Build | Thingiverse Profile

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                          • MartinNYHCundefined
                            MartinNYHC
                            last edited by

                            https://www.omc-stepperonline.com/nema-17-bipolar-0-9deg-46ncm-65-1oz-in-2a-2-8v-42x42x48mm-4-wires-full-d-cut-shaft.html?search=17HM19-2004S1

                            Nope, didn't try a different driver. Just connected a Creality 42-34 and it works.

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                            • Phaedruxundefined
                              Phaedrux Moderator
                              last edited by

                              You miss my point. I'm wondering how the motors will sound when wired to a seperate driver rather than the Z driver which is wired in series internally.

                              Z-Bot CoreXY Build | Thingiverse Profile

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                              • MartinNYHCundefined
                                MartinNYHC
                                last edited by

                                Ahhh...ok, sorry 😉 Will try it now.

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                                • Phaedruxundefined
                                  Phaedrux Moderator
                                  last edited by

                                  Well those motors are identical to those I use in my corexy and they do not sound like that at all. Something is amiss.

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                                  • MartinNYHCundefined
                                    MartinNYHC
                                    last edited by

                                    Same behaviour on X/Y drivers.

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                                    • Phaedruxundefined
                                      Phaedrux Moderator
                                      last edited by Phaedrux

                                      Thanks for testing.

                                      At this point I'm not sure what to make of those motors. They sound awful to be sure. I would return them and get something else. Perhaps they aren't as advertised?

                                      17HM19-2004S1 is what you listed above for the X and Y axis. For Z you had listed 17HS13-0404S1, which are you using for Z?

                                      Z-Bot CoreXY Build | Thingiverse Profile

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                                      • MartinNYHCundefined
                                        MartinNYHC
                                        last edited by

                                        For Z it's

                                        https://www.omc-stepperonline.com/nema-17-bipolar-1-8deg-26ncm-36-8oz-in-0-4a-12v-42x42x34mm-4-wires.html?search= 17HS13-0404S1

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                                        • Phaedruxundefined
                                          Phaedrux Moderator
                                          last edited by

                                          Ah, those are quite a bit different than what you had linked above.

                                          https://www.amazon.de/Stepperonline-Stepper-Bipolar-Degrees-Printers/dp/B07Z1D1ZJY/ref=sr_1_1?__mk_de_DE=ÅMÅŽÕÑ&dchild=1&keywords=17HM19-2004S1&qid=1593035734&sr=8-1

                                          Which I see now is actually the X Y motors, not your Z motor.

                                          Unfortunately the Z motors you've got are not a great choice. They are very high inductance. They may still be usable, but you will need to reduce your max speed for z and they may still be loud. It also looks like you've got them set to use 600ma current when they are max of 400ma.

                                          Try M203 Z300 and M906 Z300

                                          These would be a much better choice: https://www.omc-stepperonline.com/nema-17-stepper-motor/nema-17-bipolar-1-8deg-22ncm-31oz-in-1-33a-2-8v-42x42x34mm-4-wires.html?mfp=148-bipolar-unipolar[Bipolar]%2C183-body-length-mm[34]%2C71-single-shaft-dual-shaft[Single Shaft]%2C21-shaft-type[D-Cut]

                                          Z-Bot CoreXY Build | Thingiverse Profile

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                                          • MartinNYHCundefined
                                            MartinNYHC
                                            last edited by

                                            OMG, what have I ordered? I was quite sure that I ordered the one you suggested. Thank you very much vor investigating! Will give them back and get the other ones. Will keep you updated.

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