Re: [CAD_CAM_EDM_DRO] Beginners screws ( was ACME ( was Re: leadscrew,

----- Original Message -----
From: turbulatordude <davemucha@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, May 21, 2003 10:41 AM
Subject: [CAD_CAM_EDM_DRO] Beginners screws ( was ACME ( was Re: leadscrew,


> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "alex" <telecomt@t...> wrote:
> > OK,
> > just uploaded the file of DIY linear guide.
> > It is done for somebody with limited machining capabilities, but
> with
> > burning desire to learn CNC, like myself.
> > Alex
>
>
> where did you put it ? files ? photo's ?
> folder name ?
> file name ?
>
>
>
>
>
> >
> >
> > ----- Original Message -----
> > From: CL <datac@l...>
> > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > Sent: Monday, May 19, 2003 10:47 PM
> > Subject: Re: [CAD_CAM_EDM_DRO] Beginners screws ( was ACME ( was Re:
> > leadscrew,
> >
> >
> > >
> > >
> > > alex wrote:
> > >
> > > >Thank you, Ross - I'm more or less sure now what to do.
> > > >Will place sprocket directly on the shaft of stepper, then pull
> carriage
> > in
> > > >a loop by the chain.
> > > >
> > > You might want to slide that sprocket in a little further so you
> can at
> > > least get a smidget of support on the end of that motor shaft
> with an
> > > outbound bearing....
> > >
> > > It still is not enough, but that would be better than nothing.
> > > Most steppers are not made to take much of any side load on their
> > bearings.
> > >
> > > Ultimately, you need to put the sprocket between two bearings on
> a shaft
> > > that is driven direct by the stepper with a Helical coupler.
> > > Or, mount the motor to a short section of square aluminum tubing
> with a
> > > bearing on each side. One bearing can be right on the motor
> shaft, the
> > > other on an extension with the Sprocket.
> > >
> > > That obviously takes more work.
> > >
> > > Then again, if motors are cheap enough, just replace the motor
> when it
> > > goes "south".
> > >
> > > Chris L
> > >
> > >
> > > 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
> > >
> > > Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> > > Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> > > List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com,
> 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/
> > >
> > >
>
>
> 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
>
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...,
timg@...
> Moderator: pentam@... indigo_red@... [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/
>