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Type: Posts; User: awerby

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  1. Re: mach 3 each axis is "growing" while jogging or moving.

    What makes you think you set your steps right? How did you go about it?
  2. Thread: Nema34s 3 axis

    by awerby
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    Re: Nema34s 3 axis

    It sounds like that stuff maxes out at 36 volts, which is pretty marginal for all but the very lowest-induction NEMA 34 motors. But it might work to some extent.
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    Re: GECKODRIVE G540 Losing Steps (#1000000)

    It sounds like one of the drivers has issues, although it could also be a bad wire, cable, or connection. I believe you can replace the G250 drivers in the G540 without replacing the whole unit; you...
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    Re: Axis stalling in one direction

    Is your machine leveled out? If it's going uphill in one direction, that would account for the stalling, if the power was marginal in the first place.
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    Re: Sliding doors rack and pinion

    I doubt the racks and pinions designed for door use will have the precision required for most CNC machines, any more than the ball screws intended for opening skylights. But they'd doubtless be...
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    Re: How would you hold this workpiece?

    Yes; it sets up as a solid block of plastic.
  7. Re: Wiring 240v german spindle to ameriacn welding plug.

    I don't see why not.
  8. Re: Wiring 240v german spindle to ameriacn welding plug.

    That might be a higher-amperage circuit than the tool is expecting, It will still work, but if it overheats you shouldn't expect the circuit breaker to save it. You might also want to run it off a...
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    Re: How would you hold this workpiece?

    There's this stuff that jewelers use for holding onto irregular parts, it comes as loose beads of plastic that you put in water and melt in the microwave or over the stove, then form around your...
  10. Thread: DyanCNC

    by awerby
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    Re: DyanCNC

    Do you mean DYNA CNC? They used to manufacture CNC machines in San Jose CA: About DYNA You might be able to get some tech support on your old machine, if they made it.

    If it still has a control...
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    Re: Z-axis not moving

    It might not be hooked up right, you could have bad pin assignments, a bad wire, a fault in your breakout board, a blown fuse, a computer issue, or a mechanical problem, among other things. Did it...
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    Re: unknow cnc need help

    What does it smell like - burnt insulation? The steppers are probably okay, the rest of the control system might not be. What kind of spindle does it have? Pictures might help.
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    Re: What are CAD software options for MAC?

    Take a look at MOI (Moment of Inspiration). It's a simple but powerful CAD program that works on Windows and Mac (and you can install it on both types of computer, you just can't use both at the same...
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    Re: Planing Aluminium and steel

    Those machines made for wood won't work on metals. One step up from a fly cutter is a face mill; these can have multiple insert cutters and be fairly large. But they require a fairly substantial...
  15. Thread: cnc HELP

    by awerby
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    Re: cnc HELP

    Are you using the Openbuilds relay box: https://openbuildspartstore.com/iot-switching-relay-power-strip/ to turn it on and off? Or are you trying to control the speed using the 1-10v signal from the...
  16. Re: Confused about CNC Controller (Richauto-autonow-A11e

    There might be an internal machine description that's telling the program it only has a certain range in Z, or a soft limit that's getting tripped.
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    Re: Help! 3D carving mode problems

    This sounds like what happens when the Z axis loses steps while trying to lift the head. It's probably doing it a little bit with the other types of cuts and you're not noticing them. But a 3D...
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    Re: Best CNC for Acrylic Emblems

    Acrylic is best cut with a laser. Routers can do it to some extent, but the results aren't as good. Since you don't have the budget for a laser cutter or a decent router either, I'd say send out the...
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    Re: hole size cutting smaller than program

    I'm not familiar with Dolphin, but it sounds like the sort of error you get when you intend to have the tool run on your circle, but instead it runs inside it. There's usually a setting that...
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    Re: DIY Router Build

    That's an impressive build, Kawfi! The steps you went through in flattening it are ones most people skip. Since you were making epoxy lands for your rails, do you think it was really necessary to...
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    Poll: Re: How old are you?

    I'm not older than God, but I used to play with his children.
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    Re: Hello all. How is your pandemic going?

    I designed a type of mask intended to protect wearers of it as well as those around them. It's based on HEPA vacuum bags that filter out 99.7% of sub-micron particles, has a wire going all the way...
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    Re: Scoring Glass and Toolpath Solution

    Have you ever tried cutting glass by hand? It's not the same as cutting profiles with a router bit. There's no way to create a sharp outside corner except by scoring across another scored line,...
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    Re: about Lost Foam Casting

    It sounds like you need a course of instruction, or at least a textbook on the subject, not just a reply to your post. As you're working on it already, how is it going? What sort of products are you...
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    Re: Red/Cam CNC Milling Machine

    The phrase "accuracy issues" covers a lot of ground. What problems are you noticing? How far off is it? How deep were you trying to cut, in what material, with what tools? What were you expecting it...
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    Re: Projects to do with Aluminum stock?

    I'd hold off on the 123 blocks until I'd had more experience and everything was dialed in. Since they're a measurement tool, they really need to be pretty close to perfect to do you any good. But a...
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    Re: Input on DIY budget machine

    This doesn't look too different from many of the mini-mill designs out there. I think you should stick with the NEMA 23 motors, but use a different kind of spindle. Those Chinese 2.2KW spindles run...
  28. Re: Looking for advice on long length 80/20 fixture

    If you're not willing to tell us what this machine is supposed to do, we won't be able to tell you how to make it work. You've got a tall skinny box with 50 pounds dangling from it, and it's supposed...
  29. Re: Do it yourself or buy factory machine bases made of polymer concrete / epoxy gran

    That seems like an interesting product, Victor. But it's not something many people would be able to use. Unless you find a partner capable of incorporating these bases into a finished machine, I...
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    Re: Wooden cnc 2x1 m belt driven cnc

    Supported rails work a lot better than unsupported ones. The longer they are, the more this counts.
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