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  1. Replies
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    BUILD LOG: Re: Here we go again . . . MK4

    Maybe by mark 4 I'll be this good - v nice


    Sent from my iPhone using Tapatalk
  2. FOR SALE: PSU Rectifier + Capacitor smoothing board for toroidal transformer

    I've made a handful of these bridge rectifier PCBs for connecting with toroidal transformers to make PSUs ideal for stepper motors.

    20115

    20116

    They have two 10,000uF 100V capacitors in...
  3. Re: Milling: creating a smooth end finish in a slot

    Here is a video overview of what i believe is a correctly build DIY mist fog less cooling system. Hope that helps you and others!



    https://youtu.be/NVu4mCFCvmA
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    Re: Measuring internal diameters

    Dial bore mic's are expensive and you still have to check them with gauge so in all honesty i don't think its a very good investment unless you pick up something cheap on ebay.
    with spring loaded...
  5. Re: Wiring 24v NPN Proximity Switch to 5v BOB - Why does'nt it work

    Connect one end of the resistor to +24V, not to PSU -ve. What you then have is the BOB input driven from the 24V with the resistor lowering the voltage to the BOB to a nominal 5V. When the proximity...
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    CONVERSION: Re: Bridgeport Manual to CNC conversion...

    DXF attached for a square button tag, the font is Arial BTW

    19102
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    17,869

    Re: Broken ballscrew ball? OmioCNC X6-2200L machine

    A ballnut once assembled should never drop a ball unless a ball return pops out.
    If this happens, balls will be all over the floor.
    The cheap ballnuts will have plastic ball returns and these are...
  8. Replies
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    BUILD LOG: Re: Finished builds picture menu

    Let me be first then :devilish:. Tried to be short but will give some more details so its easier for people to see the main points. I think video is better than pictures if possible.


    The Yellow...
  9. Re: Just been watching a Fushion video you guys may like

    Thanks for the share Steve, i'm using 360 myself to.

    Dont know if you've seen the NYC CNC youtube channel, he dose a series of videos called Fusion Friday, its a new tutorial video served up every...
  10. Replies
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    Re: Forces in X,Y and Z

    If anyone is interested in prediction of cutting forces in aluminum milling I would recommend to read the article:
    "A comparison of analytical cutting force models" published by WIAS
    There you can...
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    Re: Brain farts

    Guys,

    I've stepped in to moderate this as a new thread from the original "Brain farts" thread, as while this discussion could be a worthwhile one to have, it's now off topic for the original...
  12. Replies
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    681,193

    BUILD LOG: Re: Here we go again . . . MK4

    Looking very nice ad sturdy.:applouse:

    This is how I got my beams sorted I welded 15mm plates on each end and then had them machined parallel and to length. I also had two faces of the box...
  13. Replies
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    681,193

    BUILD LOG: Re: Here we go again . . . MK4

    That's looking good now, coming along nicely! Sad I know....but I do like to see lots of shiny metal with lots of holes drilled in....note to self, must get out more :wink:
  14. Replies
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    681,193

    BUILD LOG: Re: Here we go again . . . MK4

    Sorry to read about the problems, all part of the fun...I think? Lol

    On a positive note, you've got this as the money shot though a:
    ...
  15. Replies
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    54,935

    Re: Fusion 360 - best approach?

    A couple of things to consider with a VM running CAD programs often with high overheads and requiring access to virtual memory page files from HDD,
    Virtual machines ares less efficient than actual...
  16. Replies
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    Re: Fusion 360 - best approach?

    I run 8.1 64bit as a dual boot with XP just dropped in another drive so I could run fusion on my Workshop machine for quick edits, providing you have a machine capable of running it, 7 or 8.1 64bit...
  17. Replies
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    681,193

    BUILD LOG: Re: Here we go again . . . MK4

    Nice work on the clamps, always handy to have.



    These always stick out in my mind:

    http://www.mycncuk.com/threads/4420-Hold-down-clamps-what-do-you-use

    Some solid blocks from the side may...
  18. Replies
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    681,193

    BUILD LOG: Re: Here we go again . . . MK4

    Very nice,
    Looking forward to seeing this finished.
    Mike
  19. Replies
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    681,193

    BUILD LOG: Re: Here we go again . . . MK4

    Wow!
    This looks like a masterbuild!
    I love it when its over complicated ;)

    Fancy, funny and fantastic!
  20. Replies
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    Re: VFD for drill press

    As Magicniner has said, these VFDs take single-phase in and produce a 3-phase output that is designed to drive a 3-phase motor. Why can't you just use two of the output connections and drive a...
  21. Replies
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    Re: machine stops when homing

    in 2010 screenset on tab "Limits" active "soft limits"

    and put off " Automatic override" and " Manual override"



    and if is the same problem i have somtimes its ok now.
  22. Replies
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    Re: machine stops when homing

    If you use an external 10k connected to the sensor output, and measure from the other end of the resistor you won't blow the sensor up and you can take that into account in your calculations. I use...
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    BUILD LOG: Re: This is my first BUILD please help.

    Here are some more pictures from the front.



    1740217403174041740517406
  24. Re: Hmm - is it unrealistic to use feed/speed calculators on home built machines?

    I like to use this calculator to calculate the Tangential cutting force, that is how hard the machine is pushing the bit sideways through the material. In my experience you can bet any...
  25. Replies
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    BUILD LOG: Re: Here we go again . . . MK4

    Masonary bits are too blunt. You would also need to spin backwards to aid removal of the tap. I have used special carbide spade drills to remove taps. The only place in the Uk that has them is ...
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