Re: [CAD_CAM_EDM_DRO] Re: Another router video..

----- Original Message -----
From: "Mariss Freimanis" <mariss92705@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, June 01, 2006 9:39 PM
Subject: [CAD_CAM_EDM_DRO] Re: Another router video..


> I agree with what you say. Someone's demand to explain how you do
> something is not your command and obligation just because you're
> asked. You are the one giving as you chose; the one asking is just
> that, asking. What's he giving in return?
>
> Everyone gets excited by high-speed anything; it's not a big deal.
> Today I was running experimental PID closed-loop steppers from the
> G100. Call them 50-pole AC servomotors now with the loop closed.:-)
>
> The motor is on a 24" linear stage (1 TPI screw). The speed was 50"
> per second (3,000 IPM at 3,000 RPM) while operating closed-loop. The
> motor is NEMA-23, 3A/phase, 24VDC supply and a G201 drive. Not
> pushing the motor hard at all.
>
> It is kind of fun to move 24" out and back in less than a second. If
> I have the time and people want to see it, I'll take and post a
> video. 3,000 IPM steppers.
>
> Mariss
>
>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, R Rogers <rogersmach@...>
> wrote:
> >
> > B,
> >
> > I thought it would be nice to share some of the successes I've
> had with others on the group(s). Mostly all I think have enjoyed
> them. A few seem to have a problem with it. It was not my intent to
> start a flame with anyone, I apologize for that. It was to show what
> can be done with whats available to us hobbyists. If you're "Wow'd"
> by it great. Personally, I'm wow'd by it. It's nice to show activity
> to go along with words occasionally. If I had gotten on here and
> said "Hey guess what, my router has 1800 ipm rapids" Do you think a
> few would want me to prove it? I do, thats why I posted a video.
> >
> > Getting back to the close up of the engraving. I'm as close as I
> wish to get with my digital camera around a cutter I could in no way
> outrun. I'll see what I can do though.
> >
> > In the past, it's been almost demanded that I disclose fully,
> every feature of it's construction. That would be like me suggesting
> that every vendor on the groups disclose all of their contacts and
> sources for items they provide to hobbyists. And while there at it
> post all their wiring diagrams and PCB files for their boards,
> including source codes for firmware. And when they resist, insinuate
> they aren't in this for the good of the hobby. Would that be fair?
> Everyone has a right to privacy and intellectual property to a
> certain degree..
> >
> > I will say this, the good news, it's an low-cost machine to build
> which means the retail price will be low. The bad news, it's not an
> easy machine to build.
> >
> > The good thing about showing and not explaining is: It makes
> folks think, it's great all the new ideas that have cropped up. Puts
> the speculation outside the "box", thats good for all of us, and the
> hobby.
> >
> > Thanks for your input, Ron
> >
> >
> > ballendo <ballendo@...> wrote:
> > Ron,
> >
> > I've spent some time in front of fast machines. Even the early 80's
> > Cincy I retrofit last year could do 400IPM...
> >
> > I've operated 1100IPM machining centers.
> > Also others--not machining centers-- at even faster rates. (sail
> > plotters for example)
> >
> > your project Seems a nice machine. (What you've let us see, at
> > least.)
> >
> > But high speed cnc operation is NOT new to me.
> >
> > So I'm asking specific questions about what I'm looking at...
> >
> > I'm NOT asking about corner rounding...
> >
> > I DO understand the effects of higher acceleration...
> >
> > I'm asking to SEE a close up of the CUT at these various rates
> > you're showing.
> >
> > I've already asked about:
> > linear guide type?
> > steppers vs. servo's?
> > Ballscrew, rack/pinion other?
> >
> > If the only purpose of showing us this is to WOW us, then okay.
> >
> > Wow.
> >
> > Care to give any answers to the questions asked?
> >
> > Ballendo
> >
> > P.S. I HAVE described my wood ducks and roadrunners in great
> detail.
> > I have chosen not to share pictures yet. When I do, there will be
> no
> > closeups only and blue tape.
> >
> > (But of course my machines have absolutely NOTHING to do
> > with asking you questions about what you've decidesd to show us.)
> > The machines are quite obviously designed for different market
> > segments. I'm not planning 1800IPM wood ducks...
> >
> >
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, R Rogers
> > wrote:
> > >
> > > On my computer(s) its very plain to see there is no corner
> > rounding. You might try increasing video resolution. Or right click
> > your vid player and choose full screen. The key as I said earlier
> is
> > acceleration. The heck of it is, that was the first cycle of that
> > routine. It would do it even faster. I've proven the speed is there
> > and much more importantly, speed with relative precision.
> > Acceleration is the key to fast direction changes and keeping X and
> > Y in time with one another. I've moved on to other areas of design
> > and testing.
> > >
> > > I'll post a video of it hole drilling later
> > >
> > > Thanks for your comments, Ron
> > >
> > >
> > >
> > > ballendo wrote:
> > > >In CCED, R Rogers wrote:
> > > >250 ipm programmed speed, 100% feedrate. Speed is not as
> critical
> > > >as acceleration. Cut quality is great. No corner rounding.
> > > >You should post some video of the woodduck...
> > > >Yeah, thats one reason for the blue tape. Way wipers have yet to
> > be
> > > >designed. They will be.
> > > >Thanks, Ron
> > >
> > > Ron,
> > >
> > > Thank you for the numbers, suggestion and explanation. Still
> would
> > > like to see a closeup of the actual cut (just zoomed in at the
> > end).
> > >
> > > Ballendo
> > >
> > >
> > > >
> > > >
> > > > ballendo wrote:
> > > > Ron,
> > > >
> > > > Nice video. What is the programmed speed?
> > > >
> > > > Can we see a close up of the finished engraving, to see cut
> > > quality
> > > > at this speed?
> > > >
> > > > Ballendo
> > > >
> > > > P.S. Do we have to use blue painter's tape to keep swarf off
> the
> > > > ways?
> > > >
> > > > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "rogersmach"
> > > > wrote:
> > > > >
> > > > > Hey Everyone,
> > > > >
> > > > > Playing with the new router again..
> > > > >
> > > > > Engraving text
> > > > >
> > > > > http://www.wikiupload.com/download_page.php?id=4581
> > > > >
> > > > > Ron
> > > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Addresses:
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> > > >
> > > > OFF Topic POSTS: General Machining
> > > > If you wish to post on unlimited OT subjects goto:
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> > > >
> > > > http://groups.yahoo.com/group/jobshophomeshop I consider this
> to
> > > be a sister site to the CCED group, as many of the same members
> > are
> > > there, for OT subjects, that are not allowed on the CCED list.
> > > >
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> > > >
> > > > [Non-text portions of this message have been removed]
> > > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > Addresses:
> > > FAQ: http://www.ktmarketing.com/faq.html
> > > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
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> > > URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> > >
> > > OFF Topic POSTS: General Machining
> > > If you wish to post on unlimited OT subjects goto:
> > aol://5863:126/rec.crafts.metalworking or go thru Google.com to
> > reach it if you have trouble.
> > > http://www.metalworking.com/news_servers.html
> > >
> > > http://groups.yahoo.com/group/jobshophomeshop I consider this to
> > be a sister site to the CCED group, as many of the same members are
> > there, for OT subjects, that are not allowed on the CCED list.
> > >
> > > NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY
> POSTING
> > THEM. DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO
> EXCEPTIONS........
> > > bill
> > > List Mom
> > > List Owner
> > >
> > >
> > > Yahoo! Groups Links
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> > >
> > >
> > >
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> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
> >
> >
> >
> >
> >
> >
> > Addresses:
> > FAQ: http://www.ktmarketing.com/faq.html
> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> > Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
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> timg@...
> > Moderator: pentam@... indigo_red@... davemucha@... [Moderators]
> > URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> >
> > OFF Topic POSTS: General Machining
> > If you wish to post on unlimited OT subjects goto:
> aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach
> it if you have trouble.
> > http://www.metalworking.com/news_servers.html
> >
> > http://groups.yahoo.com/group/jobshophomeshop I consider this to be
> a sister site to the CCED group, as many of the same members are
> there, for OT subjects, that are not allowed on the CCED list.
> >
> > NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING
> THEM. DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> > bill
> > List Mom
> > List Owner
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>
>
>
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
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timg@...
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[Moderators]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a si
ster site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> bill
> List Mom
> List Owner
>
>
> Yahoo! Groups Links
>
>
>
>
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>
>
>