Subject:
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Re: the LEGO CNC-Machine
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Tue, 4 Sep 2007 20:09:28 GMT
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Viewed:
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20210 times
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"daniel" <daniel.formatc.at.gmail.com> wrote in message
news:Jnuwon.JGG@lugnet.com...
> >
> > I am trying to see this in my head. Your driving a polarity switch with a
> > motor and the switch will control the power motor? Is this on each axis?
> > I
> > am thinking about the amount of time it will take to start and stop the
> > axes. How will you control the position of the polarity switch. Forward
> > or
> > reverse is easy, but off is in between.
> >
> > Bob
>
> no no, i will only use the indirect control for the main spindle, which
> will
> use the power motor. the axis drives will use normal technic motors (from
> the
> mindstorms set).
Glad to hear that! Of course, I am somewhat disappointed. I thought you
would come up with some really awesome design.
>
> right now i'm designing some cutters, see my other thread in the technic
> section:
> http://news.lugnet.com/technic/?n=15860
The cutter is going to be quite a challenge. I look forward to your
solution. Feed rate vs chip loading will test your patience.
Bob
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Message has 2 Replies:
 | | Re: the LEGO CNC-Machine
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| "Bob Fay" <rgfay@earthlink.net> wrote in message news:Jnv1B9.4zC@lugnet.com... (...) Daniel, I posted one of my unknown machines to youtube. This one would not cut any material. The movie is very bad as I did not have a digital camera at that time. (...) (17 years ago, 5-Sep-07, to lugnet.robotics.rcx)
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Message is in Reply To:
| | Re: the LEGO CNC-Machine
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| (...) no no, i will only use the indirect control for the main spindle, which will use the power motor. the axis drives will use normal technic motors (from the mindstorms set). right now i'm designing some cutters, see my other thread in the (...) (17 years ago, 4-Sep-07, to lugnet.robotics.rcx)
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