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  1. Replies
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    Spindle motor temperature and cooling

    I have recently been renovating a Denford Orac lathe, mainly replacing all the electronics, and which is now almost finished to the point that I can start using the machine. It has the original ASEA...
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    Re: DIY Laser levelling using webcam and laser level

    Hi Bert, I use these, only vga but work really well and super easy to take apart and remount on and solid block.

    KKmoon USB 2.0 50.0 M Webcam, HD Camera, Web Cam with Microphone for Computer, PC,...
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    858,730

    Re: DIY Laser levelling using webcam and laser level

    Hi Bert,

    The sensor in your cam is probably fine, although if the overall dimension of the camera is only 8mm it maybe harder to work with. The VGA sensors we are using are 2mm across.

    It seems...
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    14,699

    Re: Linear rails

    I have the economy version from Fred. Has worked great for me for about 4 months. No problems so far.
  5. FOR SALE: Re: DONATION - 1 Metre of 20mm rail and two ball screws

    All taken thanks!
  6. Thread: Linear rails

    by Crunch
    Replies
    9
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    14,699

    Re: Linear rails

    Hi
    The problem is which ever rail I go for will be the only reference I have so won't be able to compare.
    I think due to the money you invest into building these machines it's hard to sacrifice...
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    Re: choosing proximity sensors?

    Bert - I don't think that the sensor needs to be on the moving part - I can imagine a rotating blade on the end of the ballscrew with a fixed sensor next to it.

    Andrew - the term probably comes...
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    Re: setting axis A in spindle mode

    If you make 6mm holes for switch access you can make neat little Top-Hat shaped buttons to fit from the inside of the case prior to fixing the pulse generator, it makes the job neat, the buttons easy...
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    21,242

    Re: How to properly run in spindle bearings.

    Machine model?

    Many OEM spindles have recommended Warm Up routines, doesn't your manufacturer have any recommendations?
    If you can find out what make of bearings are in it the bearing...
  10. Replies
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    BUILD LOG: Re: 1200mmX900mmX170mm 4axis cnc

    After some reading at old threads I place the last orders at Aliexpress for contactor, relays, slow blow fuses, power supplies etc.
    I want to say a big thanks to routercnc and driftspin for the help...
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    48,581

    Re: M$ Antivirus found Trojan in UCCNC

    UCCNC 1.2049 was released. It seems that the problem is fixed by this new release.
  12. Replies
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    219,243

    BUILD LOG: Re: MK1 Steel router build log 1500x800x200

    I would probe the work piece each time unless running batches of same parts.

    Tools are good to have in cam library it makes collision detection easy, simulation works as well, you will generally...
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    219,243

    BUILD LOG: Re: MK1 Steel router build log 1500x800x200

    Nifty Job!
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    219,243

    BUILD LOG: Re: MK1 Steel router build log 1500x800x200

    It looks good from down here Bert:applause::beer:
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    219,243

    BUILD LOG: Re: MK1 Steel router build log 1500x800x200

    I think Doddys first paragraph sums it up better than my quick description :eagerness:
    I’ve had good experiences with connectors- My first CNC machine used aviation connectors and I had no issues...
  16. Replies
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    BUILD LOG: Re: MK1 Steel router build log 1500x800x200

    Noise?, okay, with an unshielded connector and a (very) poor connection. More likely, you'll be introducing resistance , and that will have a detrimental effect on the machine (whether measurable, is...
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    BUILD LOG: Re: MK1 Steel router build log 1500x800x200

    Something like this: https://www.wealdentool.com/cgi-bin/sh000001.pl?WD=surface&PN=Online_Catalogue_Surface_Trim_225%2ehtml#aT6150_2d1_2f2


    Re the CY cable screen just ground it at one end only....
  18. Replies
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    219,243

    BUILD LOG: Re: MK1 Steel router build log 1500x800x200

    I have a 1.5kW spindle and used an 18mm 2 flute router bit to skim a wooden bed without a problems. You could probably go larger - there is a larger bottom cutting type bit which others have used.
  19. Replies
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    BUILD LOG: Re: MK1 Steel router build log 1500x800x200

    I just soldered with heatshrink. Not pretty but it works :D

    My stepper motors are grounded through the machine frame.
    If connecting the wire shield aswell it might create a loop?

    Skickat...
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    219,243

    BUILD LOG: Re: MK1 Steel router build log 1500x800x200

    Okay, a nice Sunday experiment.

    With reference to https://www.renesas.com/en-eu/products/optoelectronics/technology/standard-p.html - which discusses the effect of reverse-biasing an opto-coupler...
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    BUILD LOG: Re: MK1 Steel router build log 1500x800x200

    Firstly, you're asking questions on a BoB who's design is somewhat unknown to me, If you have a URL to the actual user manual for the BoB that will help an awful lot in removing uncertainty, however,...
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    BUILD LOG: Re: MK1 Steel router build log 1500x800x200

    You bought a UC300eth for the controller?, the supply, and outputs from this are 5V and you do not require the use of resistors. Okay, you're connecting this to the 5-axis BoB - that will also...
  23. BUILD LOG: Re: El Beast - Initial design phase, comments and critique welcomed!

    That's why you ALWAYS use a hammer to put it together. Pre-empt the pain..!

    Wal.
  24. Replies
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    BUILD LOG: Re: MK1 Steel router build log 1500x800x200

    No its no problem Nick. Trouble is there are a couple of different VFD's that look the same but are completely different inside. You can tell by the front panel. Yes you are correct some time they...
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    BUILD LOG: Re: MK1 Steel router build log 1500x800x200

    They are Peak ratings, most motor ratings if data sheet doesn't show both will be the peak rating.

    Also, I have some of the 2DM860H but only tested on the bench at the minute. however, they seem...
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