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Type: Posts; User: awerby

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  1. Re: Engraving (stone) with 3018 pro for prototype project

    [QUOTE=Itamarg;2329284]Thank you very much for your reply.

    Its common to find flint or other hard yet small rocks inside the limestone, the tungsten carbide can handle it?

    [Maybe, maybe not. If...
  2. Cheap Hurco kneemill near Santa Cruz, CA

    This isn't my mill, so please don't contact me about it. I just happened to see the ad in my local Craigslist, and thought someone here might want it:
    ...
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    Re: How to make it stop screeching?!

    It might be time for a spindle rebuild. Sounds like the bearings are going out.
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    Re: Looking for feedback on a build idea

    Like others on this thread, I don't believe that aluminum extrusion-based frame will do what you're expecting. If you really want to be able to mill metals, you're looking for an entirely different...
  5. Re: Engraving (stone) with 3018 pro for prototype project

    Those plated diamond tools will work great for the first minute or so, less well in 5 minutes, and not at all after ten minutes of routing (if it doesn't break first). The trouble is that all the...
  6. Re: Ideas on Approach to milling particular part

    Could you post a drawing of the thing you're trying to make? It sounded simple enough until you started talking about "undercuts" and "inside diameters", which I'm having a hard time visualizing from...
  7. Thread: JPG / MeshCAM

    by awerby
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    Re: JPG / MeshCAM

    To make normal pistol grips with curved surfaces, you'd need a 3D program. 2D would just get you a cutout of the shape, and 2,5D would give you the cutout with "stairsteps" on the surface.

    If...
  8. Re: My CNC 3 Axis machine stops working "shutting down" after few minutes

    That's a good point, Mactec, (and I mistyped it - it would spin at 3000, not 1000 rpm) but some spindles don't get to 6000 rpm either, so it really depends on what he's actually got, as you say.
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    Re: Software Advice Needed

    Mill Wizard is a fairly primitive rastering CAM program; I don't think it does anything that Freemill won't. If you have very simple projects, you can execute them by typing commands into the MDI...
  10. Re: My CNC 3 Axis machine stops working "shutting down" after few minutes

    Does the program have a "M3" or "M03" command somewhere in the first few lines of code? That's what's supposed to turn the spindle on, normally, followed by an "S" command that sets the feed rate.....
  11. Thread: JPG / MeshCAM

    by awerby
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    Re: JPG / MeshCAM

    I believe it can generate a heightfield mesh from a JPG; that's where it analyzes a grayscale image, placing points on a vertical scale that (usually) sends dark pixels low and light ones high. Then...
  12. Re: New CNC'er & Seeking CAM Software alternatives.

    Take a look at VisualMill from Mecsoft, which we distribute. While I don't see the Emmegi machines on their list of supported posts, if it uses some variant of G-code Mecsoft will configure a post...
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    Re: Types of materials other than Aluminum

    I'm not sure what you mean by "figure heads", but if all you need is a material capable of machining that makes something you can take a mold from, I'd suggest machinable wax. It's easy on cutters,...
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    Re: Mach4 looses configuration after restart

    Have you saved the Profile XML file with a distinct name? If so, you should be able to choose it from Mach3 Loader on startup.
  15. Thread: Cnc stl

    by awerby
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    Re: Cnc stl

    It sounds like you're looking for a free program for basic rastering toolpaths. Try FreeMill from Mecsoft; it doesn't have a lot of the features you might expect in a professional program, but it...
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    Re: Might be a dumb question, but...

    Was that recommendation specifically for a slotting cut? When the tool is engaged on both sides, it's much more stressful on the tool; usually you'd slow down by at least half compared to a normal...
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    Re: Selling product to Home Depot

    With something like that, I'd advise approaching a smaller outlet first. Is there a machine shop supply in your area you're already doing business with? Or a locally-owned hardware store? Their...
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    Re: A newbie question, cutting art in plywood

    Usually, to prevent parts of a pattern from becoming detached when being cut out, some small tabs are provided that keep them in place while machining is going on, that can be easily removed later....
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    Re: Selling product to Home Depot

    What sort of product is it?
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    Re: IS Rhino Cam the best option for me?

    Wow, wood helmets - what are they used for? I don't think there will be much if any discount available for upgrading from such an old version, but you're right - there is a lot of value in knowing...
  21. Thread: Cnc router

    by awerby
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    Re: Cnc router

    Use a drill bit for that.
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    Re: Help with setting Steps per Unit

    If you're telling it to move 12 inches and it moves about 3/8", that sounds like inch/mm confusion. What happens when you go into MDI and give it a G20, then a directional move in inches?
  23. Re: CNC router Rye retroffitting for aluminium milling

    I'd be wary of the so-called "kits" that you see on sites like AliBaba. They often consist of mismatched equipment that doesn't work well together if at all. Instead, I'd advise keeping the motors...
  24. Re: Can anyone recommend a tool for shaping cricket bats from English Willow?

    Use as large a ball-nose cutter as will fit in the spindle. If the cusps between passes are too large, space the passes closer together. Cut lengthwise, with the grain.
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    Re: Where do I start?

    That's an easier goal than most projects. Have you figured out how to hook up the machine, turn it on and make it move?
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