Re: [CAD_CAM_EDM_DRO] Re: Lead screws for ever...

Hi-ho,

I use DesignCad 2000lt, and I just took a screenshot of the image. I use it
for all sorts of drawings, and 3d modelling to a limited extent...


Cheers, Chris.

* Design engineer, Assembly worker, Cleaner.
* Ohmark Electronics. PO Box 5302, Christchurch, New Zealand.
* http://www.ohmark.co.nz

----- Original Message -----
From: Wally K <cnc4me@...>
To: <CAD_CAM_EDM_DRO@egroups.com>
Sent: Sunday, October 29, 2000 2:01 AM
Subject: [CAD_CAM_EDM_DRO] Re: Lead screws for ever...


> Hi Cris:
>
> I was wondering how you made your .gif drawing for your lead screw
> setup. Are you making it on a CAD program and converting it somehow
> to .gif....very nice drawing especially with the color. Could you
> post some of the details on how to make drawings like this.
>
> Thank you:
> Wally K.
>
>
> --- In CAD_CAM_EDM_DRO@egroups.com, "Chris Hellyar" <chris@o...>
> wrote:
> > Or at least the threads on leadscrews may go on forever...
> >
> > I thought I might throw my two bits in the hat as well, I've
> uploaded a drawing of the mounts I'll be using for router. I sent
> this drawing along with full parts drawings to a chap up north and he
> made up two and said they work OK. I'm using a standard SKF axial
> bearing, about $20 each here, so probably half that in the US.
> >
> > The drawing is called chris_lead_mount.gif.
> >
> > The copper washer is annealed before preloading the thing up. The
> bearing retention plates are turned on a lathe out of 10mm billet and
> then faced off after making the bearing "flange" to give
> roughly .05mm preload on the bearings. The retention nut on the end
> of the screw is then wound up to hold the whole package together, and
> backs the preload off to about .03mm or so.
> >
> > A keyway was added for the pulley by the chap who built one. If he
> did up the nut tight enough to hold the pulley the preload was lost
> on his setup, but I don't think I'll have that problem with mine.
> (Lower torque requirements) I may use a pulley with an integral
> collet and grub screws, or do something else cunning, as milling into
> a SS shaft is not something I have the gear for.
> >
> > Cheers, Chris.
> >
> > * Design engineer, Assembly worker, Cleaner.
> > * Ohmark Electronics. PO Box 5302, Christchurch, New Zealand.
> > * http://www.ohmark.co.nz
> >
> >
> >
> >
> > [Non-text portions of this message have been removed]
>
>
>
> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
discussion of shop built systems, for CAD, CAM, EDM, and DRO.
>
> Addresses:
> Post message: CAD_CAM_EDM_DRO@egroups.com
> Subscribe: CAD_CAM_EDM_DRO-subscribe@egroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@egroups.com
> List owner: CAD_CAM_EDM_DRO-owner@egroups.com, wanliker@...
> Moderator: jmelson@... [Moderator]
> URL to this page: http://www.egroups.com/group/CAD_CAM_EDM_DRO
> FAQ: http://www.ktmarketing.com/faq.html
> bill,
> List Manager
>
>