Re: [CAD_CAM_EDM_DRO] OT: lost was casting equipment, DIY

Commercial models are available using motors sans springs. They have an
adjustable (via a long threaded rod) counterweight inside. If you can get a
look at one you should be able to build something similar.

Smoke


-----Original Message-----
From: Jon Anderson <janders@...>
To: CAD_CAM_EDM_DRO@onelist.com <CAD_CAM_EDM_DRO@yahoogroups.com>
Date: Sunday, April 08, 2001 11:56 AM
Subject: [CAD_CAM_EDM_DRO] OT: lost was casting equipment, DIY

>Since the topic of lost wax has surfaced, I have a question for anyone
>involved in the process, especially anyone that has built their own.
>I am interesting in making a centrigual spin caster. Used these years
>ago when I used to make jewelry. I watch for them on eBay, but they
>seldom show up. I've thought about making one using an electric motor
>with flywheel, and a clutch between this and the spin casting unit.
>Would not be hard to scrounge all the needed parts, but have never seen
>it done this way. Obviously a large spring is much cheaper and easier to
>mfg, but for a dumpster diver like myself, the motor/clutch would be
>easy to put together for next to nothing.
>The one thing I'm not really sure about is just how fast the spring
>models spin on average. Anyone have any idea?
>
>Jon
>
>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@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 page: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>bill,
>List Manager
>
>FAQ: http://www.ktmarketing.com/faq.html
>
>Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>