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"daniel" <daniel.formatc.at.gmail.com> wrote in message news:Jnp0Cy.2CJ@lugnet.com... (...) This X axis gear box is loaded so there is no backlash. The 16T gear on the right side has a hole through it and is fixed to the shaft with a serrated half (...) (19 years ago, 1-Sep-07, to lugnet.robotics.rcx)
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| | Re: the LEGO CNC-Machine
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(...) 16t gear to the gear rack on the bottom of the table. also, the z axis seems to use an idler gear. that's exactly the setup i've built, you can see it here: (URL) top left, next to the tool changer idea (right next to the tiny word "tool"). i (...) (19 years ago, 1-Sep-07, to lugnet.robotics.rcx)
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| | Re: the LEGO CNC-Machine
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"daniel" <daniel.formatc.at.gmail.com> wrote in message news:JnMwFu.CMs@lugnet.com... (...) I like the worm for a drive. It provides the best ratio and the least backlash. It also acts as a brake while the slide is under the pressure returned by (...) (19 years ago, 31-Aug-07, to lugnet.robotics.rcx)
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| | Re: the LEGO CNC-Machine
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ok, now i understand what you mean. the problem is that this setup could be difficult for long axes, i guess the axle with the worm gears would flex too much... (...) exactly what i was thinking. that's the way the machines i've seen change their (...) (19 years ago, 31-Aug-07, to lugnet.robotics.rcx)
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| | Re: the LEGO CNC-Machine
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"daniel" <daniel.formatc.at.gmail.com> wrote in message news:JnL3ox.7r9@lugnet.com... (...) As you can see, I do not know how to get "deep links" on Brick Shelf. If I figure it out I will post the links again. The tools can ride a disk in front of (...) (19 years ago, 30-Aug-07, to lugnet.robotics.rcx)
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| | Re: the LEGO CNC-Machine
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"daniel" <daniel.formatc.at.gmail.com> wrote in message news:JnL3ox.7r9@lugnet.com... (...) (URL) Hope I did this right. Bob (19 years ago, 30-Aug-07, to lugnet.robotics.rcx)
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| | Re: the LEGO CNC-Machine
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(...) indeed, i agree! (...) i can't quite picture what you mean. could you upload a drawing or something? the animation you sent is good, actually the up/down movement it makes could be the z-axis itself, saving me another motor (not the tool (...) (19 years ago, 30-Aug-07, to lugnet.robotics.rcx)
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| | Re: the LEGO CNC-Machine
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"Bob Fay" <rgfay@earthlink.net> wrote in message news:JnKABC.F5v@lugnet.com... (...) I was successful reaching your page. It answers my questions about configuration. I am sure you will agree with me that Lego should have made a rack gear that (...) (19 years ago, 30-Aug-07, to lugnet.robotics.rcx)
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| | Re: the LEGO CNC-Machine
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"daniel" <daniel.formatc.at.gmail.com> wrote in message news:JnJLtv.G5y@lugnet.com... (...) That should be possible. I am thinking of parafin (sp?). That is a lot different. Worth a try. (...) Not able to recycle. Might even cause global warming. (...) (19 years ago, 30-Aug-07, to lugnet.robotics.rcx)
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| | Re: the LEGO CNC-Machine
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(...) heh i guess i'll go get a candle tomorrow to test this. but that certainly is bad news. but on the other hand, there are harder and softer variants of wax? (or so i've heard) (...) cool thought. but this will make a huge mess... and it's not (...) (19 years ago, 29-Aug-07, to lugnet.robotics.rcx)
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