Re: [CAD_CAM_EDM_DRO] BP II duplicator conversion

Guys,
One of the group recently sent me some photos of his conversion, and
one photo shows the knee being counterbalanced by two 150 lb. gas shocks
from McMaster-Carr. If you'd like to see them, I'll dig it up, and put you
in touch with the guy.

Marv Frankel
Los Angeles

----- Original Message -----
From: "Brian" <ka1bbg@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, December 31, 2002 3:46 PM
Subject: Re: [CAD_CAM_EDM_DRO] BP II duplicator conversion


> Hi, well a hefty set of gas shocks can counter weigh a knee.. some one on
> this list is doing that. cul brian f.
> ----- Original Message -----
> From: <rfs@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Monday, December 30, 2002 7:54 PM
> Subject: [CAD_CAM_EDM_DRO] BP II duplicator conversion
>
>
> > Advice please...I have access to a BP series II machine with the x,y,
> > and z axis all driven by hydraulic motors. The motors are controlled
> > by a device I am not familiar with but strikes me as being like a
> > digitizers with a probe. Push the probe in certain directions drives
> > the x/y table and the z axis. All axes have ball screws and nuts.
> > Since this machine is a reasonable buy, would it make a device to
> > retrofit for CNC?? The hydraulic motors are about the same size and
> > position as servo's driven BP mills I have seen. The motors appear
> > to be driving a pulley/belt rather than direct drive. The z axis is
> > the knee of the machine and not the head. I wounder if servo's would
> > be powerful enough to move the knee up and down (I don't believe that
> > the knee has a counter weight system) In place of the machine head
> > is a long slotted plate for mounting multiple machine heads. The
> > hydraulic controller is also mounted to this plate. Any advice would
> > be appreciated. Thanx...Richard in Michigan.
> >
> >
> > Addresses:
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> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
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> > OFF Topic POSTS: General Machining
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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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> > bill
> > List Mom
> > List Owner
> >
> >
> >
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http://docs.yahoo.com/info/terms/
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>
> 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@...
> Moderator: jmelson@... timg@... [Moderator]
> 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/
>
>