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Type: Posts; User: hautamak

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  1. morbidelli author 503, GIORDANO COLOMBO 6.6 kw bt30 retention knob angle

    Hello,

    I'm buying old Giordano spindle and it was used on morbidelli author cnc machine. However it don't come with tool holders so I have to buy those. Could someone point me in the right...
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    Re: cutting 25mm clear acrylic

    Hello,

    For me, making two cuts per depth have helped. With stepover of 0,2mm

    Hautamak
  3. Re: Spindle making squeeking noise when vfd is on

    Yes I agree that the v/f parameters are not set correctly. I think biggest reason is that i didn't find matching v/f curve. And manual states that you must enter it before autotune. As in openloop...
  4. Re: Spindle making squeeking noise when vfd is on

    Yes, it seems that lot of chinese spindles are 6a, even the real amperage should be way higher. For me this wont matter as the spindle seems to work okay and the temps keeped pretty low as I test ran...
  5. Hello, I did get readings from vfd. It has...

    Hello,

    I did get readings from vfd. It has feature to show current amperage.

    I'll try to warm it up and see if the bearings get better..
  6. Re: Spindle making squeeking noise when vfd is on

    And no load current is about 2,5A in7200rpm and little over 3 at 24000rpm. Is these values okay?

    Hautamak
  7. Re: Spindle making squeeking noise when vfd is on

    One more video about squeeking sound which is like bearing failure? Spindle coast to stop so there is no vfd involved and it still makes not so pleasant noise..


    Click the picture to play video
    ...
  8. Re: Spindle making squeeking noise when vfd is on

    Just a quick update, I switched the VFD setting from normal use to heavy duty use and it seems to fixed the problem. In normal mode (default) carrier frequency is pwm, and in heavy duty it is 8khz. ...
  9. Re: Spindle making squeeking noise when vfd is on

    Hello,

    I have VFD set correct parameters (power, voltage, current, frequency, poles) and then when I start autotune it whines couple times and then motor start spinning and suddenly it stops...
  10. Spindle making squeeking noise when vfd is on

    Hello,

    Watch the video. Spindle is making very uncomfortable sound as it ramps up to speed. All videos I have watched the spindle is much quieter. When I did hit stop and spindle coasts to stop...
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    Re: 40mm finnish birch plywood CNC-router

    And forgot to mention, but I'm mainly cutting wood and little bit aluminium. Gantry is 70mm thick plywood torsion box made with 15mm ply. I think it is strong enough.
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    Re: 40mm finnish birch plywood CNC-router

    Hello,

    Little update for this one:

    I bought uc400eth board and mx4660 with it. also going from 24v to 48v. Spindle is going to be 2,2kw chinese air cooled square. VFD is Yaskawa V1000.

    So...
  13. Re: Invidual homing works on mach3 but ref all home

    Hey!

    That worked! I swapped X and Y axis homing order and now works like charm thanks!
  14. Invidual homing works on mach3 but ref all home

    Hello!

    When I hit ref all home z axis goes up and homes normally then Y axis (dual) is homing and stops at limits and without delay X starts to home and homes normally. then Y tries again homing,...
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    Re: AXXB-E and good stepper driver for it

    Problem found. It was drivers of cheap usb motion board. With updated drivers it won't lose steps anymore. Thanks for everyone here!
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    Re: AXXB-E and good stepper driver for it

    Hello.

    I'm using chinese mach3 usb motion board, but as well tried it with GRBL. same results.

    Could steppers be problem?

    drived couple minutes ago baby teether from maple and there is lost...
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    Re: AXXB-E and good stepper driver for it

    Well I have heard good from UCCNC but mach4 what I have heard is still work in progress. but if guys out there got working combinations with mach3 and steppers I should get my system reliable with...
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    Re: AXXB-E and good stepper driver for it

    Okay, mach4 is 200€ and uccnc 50€ and lasering is not my primary jobs. So had to think that

    Update:
    I tried TB6600 with GRBL and old printer stepper and didn't get it loose steps even with 32...
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    Yes I'll be upgrading my controller and driver...

    Yes I'll be upgrading my controller and driver anyway, but where to start. If problem is in drivers new controller don't help much. And vice versa. I tried usb mach 3 controller and GRBL but both...
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    Re: AXXB-E and good stepper driver for it

    And thanks for everyone here trying to help some random Finnish guy trying to get his cheapo router working!
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    Re: AXXB-E and good stepper driver for it

    Hello!

    I thought that too. That I'm running them too fast... Now I set my speed 100mm/m and acc 30mm/s and still loosing steps.

    I run program that rise Z by 3mm at speed of 100mm/m and...
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    Thanks for detailed information. I looked DMM...

    Thanks for detailed information. I looked DMM servos and it was about 1500euros... for good stepper setup with gecko and dc supply around 450 and for EM leadshine drives and dc power supply 650-750....
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    Also wondering if I should buy g210X or leadshine...

    Also wondering if I should buy g210X or leadshine Em-series
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    Re: AXXB-E and good stepper driver for it

    Hi, Thanks for replies. Tried different speeds and acceleration today. nothing got better.

    Is there some reason to not buy JMC servos as they are really close to price of EM series drivers? Would...
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    Re: AXXB-E and good stepper driver for it

    Hi! thanks for replies.

    guess I'll go with gecko540. AXBB-E and UCCNC. looking for options as I have lost my trust in steppers with TB6600 drivers...

    Could JMC 180w servos be better than gecko...
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    AXXB-E and good stepper driver for it

    Hi, I'm planning to upgrade my chinese control board and stepper drivers for something more reliable.

    I want to keep 64bit os so gecko540 is ruled out. I'm planning to use axxbe and some gecko...
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    Re: Losing steps on Z-axis BOTH ways..

    Well well, back to this. Today run some test with 1/32 microstepping and every axis was losing steps, like 1mm. Then I set all drivers to 1/4 stepping and seems that I didn't loss any steps.. So far...
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    Re: Losing steps on Z-axis BOTH ways..

    https://www.ebay.com/itm/-German-Ship-4-pcs-Nema-23-stepper-motor-270-oz-in-1-9NM-3A-23HS8430-bipolar/272109517319

    Inductance: 3.5 mH/phase
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    Re: Losing steps on Z-axis BOTH ways..

    https://www.reprap-3d-printer.com/product/1234568429-stepper-driver-tb6600

    This site recommends 12-24volt supply. those drivers worked good with 12 volt also, so I don't think thats the problem
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    Re: Losing steps on Z-axis BOTH ways..

    400mm/min velocity and acceleration 100mm's/sec
    Z-axis have 2mm pitch leadscrew
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