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Thursday, July 21, 2011

RE: [gingery_machines] Re: new article available: An Experimental Way toStatically Balance a Bench Grinder

 

Hi Wonk,

Thanks. Didn't know that. Of course I just have to try it too. <GRIN>

<http://groups.yahoo.com/group/gingery_machines/photos/album/1572960416/pi
c/list>

John

Automation Artisans Inc.
http://www.autoartisans.com/ELS/
Ph. 1 250 544 4950

> -----Original Message-----
> From: gingery_machines@yahoogroups.com
> [mailto:gingery_machines@yahoogroups.com] On Behalf Of Wonk
> Sent: Thursday, July 21, 2011 3:08 PM
> To: gingery_machines@yahoogroups.com
> Subject: [gingery_machines] Re: new article available: An
> Experimental Way toStatically Balance a Bench Grinder
>
>
>
> John,
>
> If you place a < at the start of a link and a > at the end it
> won't matter if there is wrap around of your link and it will
> load without an error!
>
> Thanks Wonk
>
>
> --- In gingery_machines@yahoogroups.com, "John Dammeyer"
> <johnd@...> wrote:
> >
> > Hi Rick,
> >
> > My shaft was machined well enough that I could extend the
> backing plate.
> > But if it made any difference I don't know.
> >
> > I have accumulated a number of different 'pulley' patterns
> over the years
> > that lend themselves well to this sort of project. The
> sprue placed on
> > the back then gives me what I need. In this case I think I
> too removed a
> > bit of metal all told.
> >
> > With the furnace and the ability (and enjoyment) of making
> patterns I have
> > a tendency to look at everything as a nail. If you recall
> the expression:
> > "When all you have is a hammer everything begins to look
> like a nail". So
> > I tend to design and build patterns for things and then
> cast. Partly
> > because $1.50 worth of propane is far less expensive
> compared with $20
> > worth of 6061 plate. But it comes at the price of projects
> taking far
> > longer than needed.
> >
> > That's why it took so long to mount the stepper motor on my
> mill knee.
> > But when I finally did cast the motor mount plate it's true
> my costs were
> > minimal if labour isn't factored into it. And now I can
> use an ELS to
> > move the knee up and down. When I get around to having
> enough Tormach
> > tooling to identify them with a tool # and Z offset I'll be
> able to lower
> > the knee, insert a new tool and have the knee move
> automatically back up
> > so the tip of the tool is a known distance from the work.
> >
> > Photos of the casting and the end product here:
> >
> http://groups.yahoo.com/group/gingery_machines/photos/album/15
> 72960416/pic
> > /list
> >
> > But first, patterns to make for the X and Y axis motor and
> bearing mounts
> > along with some way of cleanly moving the mill quill down
> with a motor.
> > There will be lots more castings.
> >
> > John
> >
> > >
> > > John,
> > >
> > > My design is almost identical to yours. I just didn't extend
> > > the backing washer beyond the step on the spindle because the
> > > metal was poorly machined in that area.
> > >
> > > On a related note, being able to turn out small, quick
> > > castings like this sounds really great. Hopefully I will be
> > > starting to build a little furnace soon based on CT2's
> > > advice. It really bugged me to hog out so much metal to go
> > > from 2" OD down to 1" OD.
> > >
> >
>
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>

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