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Type: Posts; User: StefanoPrato

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  1. Are polished endmills worth the money for acrylic

    Greetings,

    I have to machine acrylic to perfect transparency. I'm considering buying single flute polished endmills; manufacturer claim them to be perfect for acrylic. No one claim that they can...
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    Re: Spindle fail

    The VFD came with a good manual regardless of chinese reputation, I probably failed to read that passage. Actually I just bought what I'm pretty sure is a breaker. In Italian we call them...
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    Re: Spindle fail

    Hi,

    Actually I unplugged it always when the VFD was not in run mode, I never unplugged it while running even if 0Hz. Also I solved the problem with the 25Hz thing: a disconnected jumper on the...
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    Spindle fail

    Hello.

    I have a 3.7 KW 220V 1 phase input VFD and a 3Kw Spindle. Both are from China and are very cheap.
    They were running fine even if sometimes I had to unplug and plug again the energy to make...
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    Re: DIY Preload on a ballscrew

    Hi Mike,

    Thanks for the answer. Hope to see your thread soon.

    Good luck with your project.
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    DIY Preload on a ballscrew

    Greetings.

    I'm the owner of some very cheap chinese C7 (so they say) rolled ballscrew. Diameter 20mm/pitch 5mm.
    Obviously backlash is present and in a reasonable amount for the price but yet too...
  7. RnRMotion breakout board and STEPPERONLINE VFD

    Hello,

    It's 4 damn days that I'm trying to connect my RnRMotion bob to my STEPPERONLINE VFD and control the speed of the spindle.
    If I simply follow the wiring diagram that i found online I...
  8. Understanding relationship between pulse per revolution and RPM

    Hello everyone,

    I'm new to CNC and stepper motor world and I would like to see if I have understood correctly the concept of microstepping and pulse per revolution.

    If a stepper motor has a...
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    Can you see it in this reply post?

    Can you see it in this reply post?
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    In my view of the post is just under the final...

    In my view of the post is just under the final "thanks". The file is called Aluminium_router_2020-Feb-01_08-59-04PM-000_CustomizedView1670790618.jpg . Maybe I attached it in a wrong way.
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    Suggestions for DIY CNC router

    Hello,

    I'm building a hobby CNC router and I would like to get some suggestions.
    My router will be based on 2x1000mm Y axis, 1x1000mm X axis and a 300 mm Z axis. I would like to work with...
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