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Type: Posts; User: __Britt

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    Re: Welded DIY just because.

    Oh WOW is that frame rusty! You are going to treat it with some rust converter & paint it, right?

    As for the axis drives, I think I'd probably go for a rack&pinion setup; so you don't have to...
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    Re: Engraving tool style

    It will, and it probably is. I've not used that particular bit, but I have used bits that are typically used for PCB routing - and at small sizes, yes, they are quite delicate. A "V" style bit will...
  3. Re: HAAS CM1 lacking performance acceleration-wise;

    I'm sorry I don't have an answer for you, but... can your HFO help? Or contact Haas directly?
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    Re: BoB selection for closed loop steppers

    Generally, the closed-loop steppers run the encoder back to the stepper driver, not the breakout board. As far as the breakout board and control software are concerned, they are just the same as...
  5. Re: GRBL 1.1 Cutting arc on the Z-axis using G2 command?

    G17, G18, & G19 are supported.
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    Re: TTL Serial to Step/Dir module

    Make sure it's a '328 based one - they have a (new?) one called the "Arduino Nano Every" that's based on a different chip (ATMega4809) that a quick look at the datasheet for doesn't look like it's...
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    Re: Timing Belt Opinions

    I'm not a mechanical engineer... so this could be a totally bogus notion... but... how about putting multiple 6mm belts on it?
  8. Re: My CNC 3 Axis machine stops working "shutting down" after few minutes

    Suggestion: create a disk image of the drive on your CNC, and make sure that whatever disk imaging program you use gives you a checksum for the file. Store that file somewhere safe (check your...
  9. Re: GRBL sends ERROR:33 when CHECKING generated GCode.

    That error is generated when Grbl can't figure out what the internal representation of the arc should be from the co-ordinates specified. Usually this is the result of specifying a center point that...
  10. Re: GRBL 1.1 Cutting arc on the Z-axis using G2 command?

    You have asked for a circle with zero radius. The arc commands work by moving to the start point, then in the g2/g3 command specifying the end point, and specifying the incremental distance in I and...
  11. Thread: Please help.

    by __Britt
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    Re: Please help.

    And there's no good way to add that either. I'm afraid that it's one of those "This machine has no brain. Use your own." situations.

    If it's a mill or router style machine; the best thing you can...
  12. Thread: Please help.

    by __Britt
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    Re: Please help.

    Unless the boot drive is encrypted; it should be possible to reset the login passwords on the Linux installation without having to re-install the whole thing. You'd just need someone to use a live cd...
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    Re: TTL Serial to Step/Dir module

    How about Grbl on an Arduino Mini? Interface is G-code streamed over the UART; outputs up to 30khz step & direction; as well as supporting limit switches, homing, and outputs for coolant pumps &...
  14. Thread: PROTOTRAK MX3

    by __Britt
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    Re: PROTOTRAK MX3

    I'm not an expert on Prototrak machines, so this is just some things to think about, but...

    First I would find out exactly what kind of servo drives you have; and then set about getting...
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    Re: DNC help please!

    The null-modem cable (either purchased or improvised) was just to test the USB adapters; you wouldn't need it to hook to your CNC. The idea being to do something like this:

    PC 1 <--> USB Adapter A...
  16. Thread: Please help.

    by __Britt
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    Re: Please help.

    If the machine is already working; it will be much easier to just learn the Linux user interface than try to rebuild the system using a Windows-based controller. Patrons will have to do quite a bit...
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    Re: DNC help please!

    Depending on the protocol you are using to communicate - I think the Hass machines just used raw ascii? - it's possible that the transmit driver chip on the Haas machine is OK; but the receiver is...
  18. Re: Epoxy-Granite machine bases (was Polymer concrete frame?)

    I've been keeping an eye on this for a while... but I'm no expert, so take the following with appropriate quantities of salt...

    My understanding is that the sizes are supposed to be different...
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    Re: My DIY Dedicated Mach3 Control Panel

    Old thread, but I'll throw this in anyways...

    They make silicone rubber flexible waterproof keyboards for not too much $$$. A quick search of Amazon shows a bunch for about $15USD; search terms...
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    Re: Servos for old Haas retrofit

    Hmm.... well, on the one hand, it's always better to have more power available and not need it, than to err in the other direction. On the other hand, you are already doing a significant upgrade to...
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    Re: Question which is the best ?

    Best? There is no such thing. Some applications excel in one area; and drop the ball in others. However, Fusion360 is a good place to start for general purpose CAD/CAM.
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    Re: 90 degree pipe fitting

    McMaster is awesome. There's a limited set of app's that I'm willing to download to my iPhone... and theirs is one of them.
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    Re: CNC machines from plywood

    PDF is a good choice - just about everybody can read read it with whatever device they have as-is; even on a smartphone; unlike DXF which requires an app of some sort. PDF also can handle text...
  24. Re: Buying SIEG SC4 LATHE (M3, CNC ready). Good idea?

    I own it's smaller variant (a Sieg C3 7x14 resold by Homier) and it has no problem going thru aluminum. As long as you use sharp tooling, appropriate cutting fluid, and aren't taking ABom size cuts,...
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    Re: Fanuc spindle going nuts

    > However the Japanese parts book describes the sensor unit as a decoder.

    Yeah... sounds like a bad translation... probably by someone who’s not very technical.

    Wild guess on my part... perhaps...
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