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Type: Posts; User: Preso

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  1. Replies
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    867

    Re: Do manual pulse generators go bad?

    Craig, thanks for the info. I must say I am not comfortable with customising electronics on my machine. Your approach would be great though. I also rarely use a lot of the functions on the pendant. I...
  2. Replies
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    Re: Advice wanted on controller upgrade

    Thanks for your reply. My mill currently uses Nema 23 steppers, 270 oz/inch with a 2:1 belt drive to the lead screws. I use the mill for general machining but as it's not a particularly rigid machine...
  3. Replies
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    867

    Re: Do manual pulse generators go bad?

    Jim,
    thanks for your reply. This reminds me that I did drop the pendant hard enough to break the D handle on top. I 3D printed a new one but it's possible this was about the same time that I noticed...
  4. Replies
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    867

    Do manual pulse generators go bad?

    Hi, I have an iMach P1A-S pendant running on a Windows 10 64 bit version of UCCNC however the jog wheel only seems to work correctly with each axis traveling in one direction only. So for each axis,...
  5. Replies
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    1,290

    Advice wanted on controller upgrade

    Hi, I have a Sieg X3 that has been converted to CNC. I purchased a conversion kit and a CNC controller from Promica in Australia but Promica ceased trading back in the 2010's and there are no more...
  6. Some build videos (not all CNC) but hey, it's making stuff with metal.

    Hello from Australia,
    Now that I am retired (I used to be an Industrial Technology teacher) I am finding that I miss the chance to instruct or at least present the opportunity for learning. I tend...
  7. Replies
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    1,129

    Re: DIY Spot Welder Build and resources

    Yes, 5KVA would be nice. I did see a video where one enterprising soul had used a transformer from an old 150 amp arc welder. It turned out to be quite a large build and I wanted something that I...
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    1,129

    DIY Spot Welder Build and resources

    For no particular reason except maybe that it was a challenge, I decided to build a spot welder based on a re purposed microwave oven transformer. I had used a small portable Aston spot welder when I...
  9. Thread: X3 Spindle Motor

    by Preso
    Replies
    4
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    881

    Re: X3 Spindle Motor

    SWA Guy,
    I purchased my motor from a local bearing and industrial supply merchant here in Australia however, I just completed a motor upgrade for my drilling machine which involved replacing the...
  10. Thread: X3 Spindle Motor

    by Preso
    Replies
    4
    Views
    881

    Re: X3 Spindle Motor

    I replaced my X3 motor with a .75kw three phase 2 pole induction motor and a variable frequency drive to run it. I had to make a new motor mounting plate and I fitted a new longer toothed belt and...
  11. Replies
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    Re: Huanyang Chinese VFD settings and manual here!

    Success! Thanks Mactec54. I did have a 10K pot but I had the PD072 set to 400hz. instead of 100 which was my max frequency. Now I get speed control over the full range of the pot rotation. Do you...
  12. Replies
    807
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    194,810

    Re: Huanyang Chinese VFD settings and manual here!

    I guess I was hoping that there was a setting that allowed the fan to switch off unless the temperature of the heatsink rose above a certain level. On another matter..... I have fitted a...
  13. Replies
    807
    Views
    194,810

    Re: Huanyang Chinese VFD settings and manual here!

    Hi,
    I have just installed a Huanyang VFD on my drilling machine so that I can get variable speed without having to open the cover and change belts. I had some previous experience in setting up VFD's...
  14. Replies
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    Re: Wiring Home Switches To AWC708c Plus

    Jazz352060,
    I have already been down the path that you have started on. I purchased a cheap 40W CO2 laser with a dongle protected board and shabby electronics. It was purchased new from a dodgy...
  15. Thread: Promica CNC Kits

    by Preso
    Replies
    12
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    3,903

    Re: Promica CNC Kits

    Charris1950,
    If you are using 4mm cutters and 7mm ply then the problem probably does lie somewhere in the mechanical setup of the mill. If it is any comfort, my machine does not always home the Y...
  16. Thread: Promica CNC Kits

    by Preso
    Replies
    12
    Views
    3,903

    Re: Promica CNC Kits

    Charris1950,
    I have a Promica kit fitted to my X3 and it has performed well for several years now. The condition you are describing sounds like the X and Y stepper motors are losing steps. This...
  17. Replies
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    6,180

    Re: Seig X3 Z Column Upgrade

    Since completing the upgrade I have started building a model Stirling engine and have so far completed around 70% of the machining. A lot of the parts were in either cast or billet aluminium alloy....
  18. Replies
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    6,180

    Re: Seig X3 Z Column Upgrade

    Success! (Slowly)
    Today I was able to finish the most tedious parts of the machining required to make my ball turning attachment. I had three pieces of 75X20 hot rolled steel which had been set...
  19. Replies
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    6,180

    Re: Seig X3 Z Column Upgrade

    Now I Can Cut Steel!
    Today I began a project I had been putting off for some time. I wanted a ball turning attachment for my Colchester lathe.
    254688 This is the model of the ball turning...
  20. Replies
    17
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    6,180

    Re: Seig X3 Z Column Upgrade

    Finished!
    Yesterday I cut metal for the first time since completing the upgrade. The results were encouraging although there is still some vibration which gets transmitted through the whole machine...
  21. Replies
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    6,180

    Re: Seig X3 Z Column Upgrade

    The End is Nigh.
    Today I made some progress with the swarf cover for the Z axis screw and ball nuts. I purchased a bellows type cover from a supplier on Ebay. It looked like it was made of rubber in...
  22. Replies
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    6,180

    Re: Seig X3 Z Column Upgrade

    Hurrah!
    Today was the big push to get the machine back together so that I could finally see if all the work was worth the effort. As luck would have it I screwed the final wire down at around 5 pm -...
  23. Replies
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    Re: Seig X3 Z Column Upgrade

    So Close....
    Today I was able to make some more progress on the build after something of a hiatus while I fixed the sagging roof insulation in my shed. I have fitted the VFD with some powder coated...
  24. Replies
    17
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    6,180

    Re: Seig X3 Z Column Upgrade

    Today I was able to reassemble most of the Z drive and the spindle motor assembly. Because I was retrofitting my system with double ball nuts I was looking for a way of providing preload between the...
  25. Replies
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    6,180

    Re: Seig X3 Z Column Upgrade

    Progress!
    Today I was able to prep the column for filling with epoxy resin. I plugged the holes that I had made to attach the top bearing bracket and levelled the column on a trestle in preparation...
  26. Replies
    17
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    6,180

    Re: Seig X3 Z Column Upgrade

    Now that I am committed to the idea of filling the column and base with epoxy granite I moved on with prepping these parts starting with the base. Before I could mix and pour the epoxy I had to...
  27. Replies
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    6,180

    Re: Seig X3 Z Column Upgrade

    Success! Today I was able to finish the last of the machining on the castings for the upper and lower bearing mounts. The double ball nuts were fitted to the nut holder and the cap screw holes were...
  28. Replies
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    6,180

    Re: Seig X3 Z Column Upgrade

    Well, That didn't work!
    My plan to fit two wave washers between the double ball nuts as a measure to introduce pre-load was a fail. As luck would have it, when I fitted the ball nuts to the screw,...
  29. Re: Laser cutting machine refurbishment - NEED HELPS

    Hi,
    I have just finished refurbishing a 40W Chinese laser which was supplied as a warranty replacement. Essentially it was rubbish! It never worked due to an encrypted digital signal processor and I...
  30. Replies
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    6,180

    Re: Seig X3 Z Column Upgrade

    Yep, like everything in engineering, there are always compromises. Here is a link to a Youtube video showing the second mock-up working with the spindle motor attached....
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