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Type: Posts; User: dharmic

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  1. Re: "equal to" operator not working in script

    This is a pretty common issue with floating point numbers in any software.

    Depending on the language I'll write an "isClose" utility function which takes the two numbers being compared, an...
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    Re: Fusion 360 subscription changes

    Ah, I didn't realise that they'd left that in there :)

    Not such a jerk move, then!
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    Re: Fusion 360 subscription changes

    This was always coming and the main reason I found it difficult to recommend 360.

    Interesting that the first thing on the chopping block is the ability to move to another platform - cunning stunt...
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    Re: Aluminum Chip Welding

    It's a convincing counter argument!

    Either way it's probably splitting hairs: I reckon correct chip load and lubrication are probably more important, and by orders of magnitude more influential.
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    Re: Aluminum Chip Welding

    There's an argument that any coating rounds off the cutting edge slightly and that (for aluminium) the sharpest edge outweighs the benefits of the coating. Just putting it out there :)
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    Re: Fusion slotting

    Don't plunge straight in, instead, change the ramp type to helix (IIRC it's the default for adaptive paths anyway) and it will ramp into the guts of the cut in a spiral, then work its way out. You...
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    Re: 3D Probe - Tri-balls type accuracy & DIY

    That is a thing of beauty, Mecanix. Impressively quick build time too - usually this kind of project takes me months to tickle along in the background. Well done and thanks for sharing!
  8. Re: Looking at a new CNC for home (might build might buy, not sure yet)

    Well you learn something every day. Thanks, FastFarmer :)

    Better off waiting for an old bridgy to turn up and re-build the controls, then? Or scrimp and save for a little Haas machine? I watched...
  9. Re: Looking at a new CNC for home (might build might buy, not sure yet)

    I cut ali on my el cheapo OmioCNC router reasonably regularly without a lot of drama, but with a few caveats:
    - it's slow feeds and small tools with one or two flutes - 6mm running at maybe...
  10. Thread: X6-2200L

    by dharmic
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    Re: X6-2200L

    :D A problem indeed. I occasionally filled their minimum PCB size with a couple of the board I wanted and then the rest with SMD to breadboard breakouts so I got something useful. One thing the Omio...
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    Re: Maybe earthing problem

    Absolutely it could be. Time to start clamping things down a little, maybe?
  12. Thread: X6-2200L

    by dharmic
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    Re: X6-2200L

    Nice. To be able to smash out quick single sided boards without all the mucking around is pretty good. Using FlatCam?

    I sold all my UV exposure box, chemicals and pretreated blank boards a little...
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    Re: F360 - spiral toolpath on 4th axis?

    ... but you CAN extrude a new surface (thin feature) 0 distance from a face, and use that to define a tooling boundary. If it's on a cylindrical face you can then click the checkbox on a 2d strategy...
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    Re: F360 - spiral toolpath on 4th axis?

    And yeah, I've played with the wrapping stuff before - it can be enormously helpful in some cases, keeping torque loads on the 4th nice and low by primarily working in close to the axis. And a lot of...
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    Re: F360 - spiral toolpath on 4th axis?

    That's not "continuous" 4th axis machining though. It's a lot of 3a operations done on an indexer.

    Meh, it'll get me through until Autodesk release real 4A support on 360. :)

    Cheers
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    Re: F360 - spiral toolpath on 4th axis?

    Thanks, FastFarmer. I certainly do need to understand more how fusion works... which was kinda the point of this thread.

    BTW: Fusion does offer a wrap function without needing to even think about...
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    Re: F360 - spiral toolpath on 4th axis?

    Gerry, "wrap" is available only for a couple of 2d strategies and it only allows wrapping onto a convex cylindrical form. As soon as the form is non-cylindrical (or, as on one of my ops, on a concave...
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    Re: F360 - spiral toolpath on 4th axis?

    Thanks, Mecanix - that's a very kind offer.

    But, to my mind, the post should be nothing more than a translator from CL to machine specific code. Putting smarts in there where it can't be tested...
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    Re: F360 - spiral toolpath on 4th axis?

    Hey Mecanix. I'm savvy enough to have cobbled together my own post for Mach3 with 4th and some probing routines. A while ago so it's fuzzy now but I seem to remember it's in javascript.

    I think...
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    F360 - spiral toolpath on 4th axis?

    Hi all

    Whilst Fusion 360 has continually impressed me with the quality of its toolpaths and just how easy they are to create, its support for 4th axis continuous machining has left me either...
  21. Re: Recommendations for CAD program for someone used to Solidworks

    You can, but... Who do you know who exports every file, every time they save it? Who do you know who even marks every file in an assembly they're working on to be locally cached (which you can also...
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    Re: Chinese 2.2kw spindle burned out?

    Jokes man, I agree entirely with you. That line was mashed out to save mactec the bother. In exactly the correct spelling for "angry old man foaming at the mouth in rage at the world for not agreeing...
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    Re: Chinese 2.2kw spindle burned out?

    Sigh. Whatever, mactec54. I'm not interested in fuelling your righteous rampages any more.

    justCNCit you have two opinions. One, both or neither may be complete fantasy. One, both or neither may...
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    Re: 3D Probe - Tri-balls type accuracy & DIY

    Another vote for Eclipse (+ gcc and avrdude) here.

    I generally do my initial prototyping researchy / play / proof of concept stuff in Arduino because it's fast to get something up and running.
    ...
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    Re: Chinese 2.2kw spindle burned out?

    Most of these spindles are supplied and used unshielded and last forever, I wouldn't worry about that justCNCit unless you're getting interference issues (usually the controller fritzing out and...
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