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Type: Posts; User: awerby

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  1. Re: Best method for cutting terrains out of foam

    Did you want these "terrains" to be fully 3D, or a series of flat planes stuck together with a stair-step profile like architectural models typically have? If it's the latter, you can use one sort of...
  2. Re: 4th axis machining below the rotational axis

    The Original Poster was talking about toolpaths that would dip below the Z zero line (set as the rotational axis) in the course of a continuous routine. I'd love it if DeskProto could do that, but...
  3. Thread: cnc pipe makers

    by awerby
    Replies
    3
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    15

    Re: cnc pipe makers

    If you want to make sculptural designs and carve them in briar, I'd suggest Geomagic Sculpt software along with the Touch haptic arm for making the models. It's far and away the best system for...
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    Re: milling part off in Z

    As well as work-holding (cheap vises tend to tilt the work as they tighten) look at tram. The bed of the mill needs to be in the same plane as the sweep of the spindle. You can test it by putting...
  5. Re: Looking for some insight on machining carbon fiber sheets

    You're right; dust is going to be a problem if you do this dry. I doubt you'll be able to effectively remove it in your home shop. I'd say keep doing it under water, the way you've been doing it...
  6. Thread: cnc pipe makers

    by awerby
    Replies
    3
    Views
    15

    Re: cnc pipe makers

    Are you talking about smoking pipes or plumbing pipes? Tobacco pipes or pot pipes? There are lots of new designs being tried out in the cannabis industry, if that's what you mean; everything from...
  7. Re: Sterling Silver - Turning (lathe) speed and feed rate suggestion

    Without knowing the diameter of your sterling parts, it's hard to specify spindle speeds or feed rate. As diameter increases, the spindle speed should go down, all other things being equal. What you...
  8. Thread: CNC not working

    by awerby
    Replies
    2
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    26

    Re: CNC not working

    Have you asked these questions of the people who sold you this machine? What did they tell you? If they wouldn't help at all, please share their name, so others won't find themselves in your position.
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    Re: Buying an apartment

    Does it have space for a CNC machine? Neighbors who are tolerant or deaf? Heavy-duty floors that can handle the weight of a multi-ton mill?
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    Re: Z-axis(?) Gouging Wood

    Do you notice any vibration at the tool tip, as the cut progresses? Or is the spindle rock-solid, not deflecting even if you lean on it hard? Cutting wood puts a lot of strain on the machine, which...
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    Re: a couple of queries

    [I haven't tried Acorn, but there's only so much you can do with the demo version of Mach3 - it will stop at 500 lines of G-code, which isn't much, especially if you're running 3D programs. Get the...
  12. Re: G Code to continuous run fourth axis in the back ground

    You might try detaching the 4th axis from your system and powering it separately. Sherline sells an autonomous rotary table that doesn't need a computer to run:...
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    Re: DIY CNC Stopped working?

    Is there a fuse anywhere in the system? Often when a machine stops working suddenly, it can be traced to a blown fuse. The next most probable thing is a wire that's come loose. If that's not the...
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    Re: remove ER11 collet

    The "collet" is the slotted insert that's snapped into a closer nut that screws onto the end of your spindle. But it sounds like you want to remove the spindle shaft itself, not the collet. That's...
  15. Re: Small die set needed DEEP 3d Quality Engraving Required

    Did you want someone to engrave something into your dies, so that the engraving would transfer to a piece of gold or silver when the die was used? That would be a stamping operation; engraving is...
  16. Re: Working man with goal - open floor - stone tile portable cnc

    As you anticipate, any machine large enough to engrave more than a few square feet at a time will be quite heavy and awkward to set up. Also, engraving in stone is a noisy and dirty process that eats...
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    Re: Gas Strut Upgrade

    The basic idea is to counter the weight of the Z axis assembly so that it's essentially zeroed out. You don't want to overdo it, since the strut can work against you in the other direction if the...
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    Re: Surface finish when 3d machining

    What kind of plastic is it? What sort of mill or router are you using to cut it? When you mention "score marks" - what are those? Where do they appear? What is the intended function of this part?
    ...
  19. Thread: Lathe Questions

    by awerby
    Replies
    7
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    62

    Re: Lathe Questions

    Normally,I'd recommend the Taig mill for a part like that, not a lathe. But I suppose you could do it on the Taigturn lathe by mounting a drill bit in the spindle and a rotary table on the bed. Then...
  20. Thread: Lathe Questions

    by awerby
    Replies
    7
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    62

    Re: Lathe Questions

    [On the stock machine the angle is fixed, but I suppose you could build a mount for the spindle and motor that would allow the spindle assembly to pivot. You'd need to make some riser blocks for the...
  21. Re: Newbie Here Need advice on Mill Maintenance

    Mineral oil will help prevent rust from re-occurring once you've removed it, but it won't remove rust by itself. Here are some tips for doing that, some of them involving non-toxic household...
  22. Thread: Micro Shop

    by awerby
    Replies
    4
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    44

    Re: Micro Shop

    Nice hat! It looks like you're ready for the sun to come out...
  23. Re: Losing Z steps mach 3 on converted new hermes engraver

    According to this datasheet: https://datasheetspdf.com/pdf-file/918417/Vexta/PH268-21/1 that motor has an inductance of 6 mH per phase, so it really wants about 78 volts of DC electricity supplied to...
  24. Re: Newbie Here Need advice on Mill Maintenance

    For deburring the table, use a carborundum stone and oil, like you sharpen knives with. Something like this would work:...
  25. Re: Are commercial linear actuators suitable for DIY CNC router?

    [Yes, that's why actuators are such a good deal - aside from often being cheaper than the components bought separately.]
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