Re: I need more power

That looks very workable. the jackshaft was one option I was
considdering. I have room for it and most of the bits and pieces.

Seems an additional 4:1 would increase power with what I have.

If I jump to a triple stack in the process, then it keeps everyting
simple.

Dave



--- In CAD_CAM_EDM_DRO@yahoogroups.com, Marv Frankel <dcdziner@p...>
wrote:

> Dave,
> Take a look at the picture at
> http://groups.yahoo.com/group/mill_drill/files/Homebrew%

20powerfeed/IMG_0977

> .JPG. Although its gearing to drive the X axis of a mill, I think

it would

> work on your drill press. He also has a dimensioned CAD drawing on

the same

> site.
>
> Marv Frankel
>
> ----- Original Message -----
> From: <davemucha@j...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Friday, February 07, 2003 10:30 AM
> Subject: [CAD_CAM_EDM_DRO] Re: I need more power
>
>
> > Hi MArv,
> >
> > I just pulled the thing apart to get teh numbers for new bearings.
> >
> > check the photos section - daves stuff - drill1 and drill2 and

drill3

> > the Large L is what it would look like if I put on a pretty big
> > timing pulley.
> >
> > since the unit is just loosly assembled for the picutres you

should

> > get the idea, just please don't aske mt to tightent the belt !
> >
> > It seems the large L gear will fit : ) but I might need a little
> > clearance for the parts !
> >
> > Dave
> >
> >
> >
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, Marv Frankel

<dcdziner@p...>

> > wrote:
> > > Dave,
> > > It might be easier to visualize, if you could post a
> > picture or two,
> > > of the present installation, or attach them to a direct email

to me.

> > >
> > > Marv Frankel
> > > Los Angeles
> > > dcdziner@p...
> > >
> > > ----- Original Message -----
> > > From: <davemucha@j...>
> > > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > > Sent: Friday, February 07, 2003 7:57 AM
> > > Subject: [CAD_CAM_EDM_DRO] I need more power
> > >
> > >
> > > > Hi guys,
> > > >
> > > > I'v got a NEMA34 single stack on a drill press feed.
> > > > the stepper has a 24 tooth XL drive gear and the drill have a

72

> > XL
> > > > tooth driven gear.
> > > >
> > > > I'd like to increase power considderably.
> > > >
> > > > I am thinking that my most obvious choices are;
> > > > get a bigger stepper,
> > > > add a jackshaft and another timing belt set
> > > > switch to a gear motor
> > > > add a worm gear.
> > > > change down feed to a ball screw or something.
> > > >
> > > > I've been looking at gear heads for Oriental motors, but they

seem

> > > > like they are for AC motors, not steppers.
> > > >
> > > > I am limited on space, could use a NEMA34 triple stack. I am
> > > > wondering if I would then need to switch out from the XL

belts?

> > > > (my 50 tooth L gear is HUGE ! so that is not real attractive)
> > > >
> > > > any suggestions ?
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Addresses:
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> > > > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
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> > wanliker@a...,
> > > timg@k...
> > > > Moderator: pentam@c... indigo_red@q... [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:
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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
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wanliker@a...,

> timg@k...
> > Moderator: pentam@c... indigo_red@q... [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
> >
> >
> >
> > Your use of Yahoo! Groups is subject to

http://docs.yahoo.com/info/terms/

> >
> >