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Spindle Sound Issues - Video

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  • Spindle Sound Issues - Video


    During warm up, the spindle does not sound right at the highest RPM (24000). I thought the sounds was a much higher squeal pitch, whereas now it is much deeper and louder – as in it made me rush to see if everything was ok. Perhaps it is just me, but I wanted to get your thoughts. I recorded video of it and uploaded to my YouTube channel – the issue occurs right after the 3:53 point.

    https://youtu.be/Nrpd2WKXidk?t=230

  • #2

    Bearings ! what size is it the spindle,, the smaller ones it is cheaper to replace the entire spindle, larger get new bearings
    James McGrew
    CAMaster ATC 508
    The principle of Measure twice cut once has not been replaced by a CNC

    www.mcgrewwoodwork.com

    https://www.facebook.com/pg/Mcgrew-W...=page_internal

    Camera 1 ATC Closeup !
    https://video.nest.com/live/esNTrZ

    fixed 4-27-2020

    Comment

    • #3

      It is a 12hp - the machine is only 2 months old. Do you think I should stop using it until I have a chance to talk with Support? I have a bunch of stuff I am trying to do over the weekend...

      Comment

      • #4

        To me it sounds like a resonate frequency of something vibrating on the spindle assembly. My machine does this at 15K and I traced it to the Z axis ball screw when the motor is at its highest physical position. The long unsupported ball screw resonates until I lower the Z axis (only at that speed). I have also had this issue twice when a screw came loose on the Z axis assembly. Try grabbing different parts of the Z axis assembly and pushing them tight while its making the noise. This is how I zero in on the origination of vibration/ noise.
        John Stanley Stinger II 3'x4', FTC, Laser, 1.7 Kw HSD w/ AB 523 SVC drive, V Carve Pro 8, WinCNC

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        • #5

          Maybe I should redact a bit. I did not catch the 24 k rpm I cannot imagine running at this speed. Was there a bit in it. If i was looking for noise it would be with no bit in spindle.. I have never run mine past 18k and it has cut cabinet parts daily at 500 fpm for 11 years. It is 10hp hsd
          James McGrew
          CAMaster ATC 508
          The principle of Measure twice cut once has not been replaced by a CNC

          www.mcgrewwoodwork.com

          https://www.facebook.com/pg/Mcgrew-W...=page_internal

          Camera 1 ATC Closeup !
          https://video.nest.com/live/esNTrZ

          fixed 4-27-2020

          Comment

          • #6

            yea - 24k is the high end of the stock warm up function that comes with it - I have never run anything over 18k personally. This is with a bit in it. I will check some for the vibration, but it is that "clunk" sound that really gets me when it shifts from 18k to 24k.

            Comment

            • #7

              The only way i would check for sound is without a bit in spimdle. I am pretty sure I have never ran mine up to 24k I will listen again tomorrow yet interval changes could make a noise, i will be at my mchines tomorrow and will check mine
              James McGrew
              CAMaster ATC 508
              The principle of Measure twice cut once has not been replaced by a CNC

              www.mcgrewwoodwork.com

              https://www.facebook.com/pg/Mcgrew-W...=page_internal

              Camera 1 ATC Closeup !
              https://video.nest.com/live/esNTrZ

              fixed 4-27-2020

              Comment

              • #8

                That sounds like mine when I have my 2.5 inch spoil board cutter in and running it at 12000

                Comment

                • #9

                  New machine...absolutely talk with support.
                  ---
                  Jim Becker

                  SR-44 (2018), 1.7kw spindle, Performance Premium, USB, Keypad, T-Slot table (y-axis configuration), WinCNC, VCarve Pro upgraded to Aspire

                  Non CNC stuff...

                  SCM/Minimax
                  Festool "a good collection"
                  Stubby - lathe
                  Oneida Cyclone
                  more...

                  Retired from full time work in the telecom industry 9/2017
                  Occasional commission work for others, but mostly for me...furniture/tack trunks/signage/guitars
                  Located Bucks County PA

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                  • #10

                    Support helped out - turns out my new 3/8" Whiteside bit was causing the sound. Gonna order another to see if it fixes the issue or perhaps the tool holder is to blame if not...

                    Comment

                    • #11

                      Odd that your warm up sequence has it running at 24000rpm. That is pretty high for most tooling, and I'd think that would be harder on your bearings for a warm up sequence. I just ran mine 6000, 12000 and then 18000.

                      And the sound is a vibration, likely resonance or bad tool.
                      Russell Crawford
                      Cobra 408 ATC with recoil
                      Alberta, Canada
                      www.cherryleaf-rustle.com

                      Comment

                      • #12

                        yea - I am not sure - that is the way that they had it as part of the new Compass software package.

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