Re: turcite bed ways

Sven Peter,

I've done some work in this area and one good way to help the problem is to
take the time to make special "knife edge" wipers out of castable urethane -
It requires taking the time to knock out a simple mold but can be well worth
it in increasing the life of the machine - The wipers should be patterned
after the "scraper type" wipers in common use on hudraulic cylinders but
configured to the shape of the bedways - Once you have made a "quick and
dirty" custom mold (easy using CNC) then you can even make up spare wipers
easily and make sure that they change them once a year or whenever necessary -

Roland Friestad

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Message: 22
Date: Sat, 21 Apr 2001 10:13:59 -0700
From: "Sven Peter, TAD S.A." <peteryco@...>
Subject: turcite bed ways

...Clipped -
I think of the following solutions:
First: Make no lubrication grooves at the parts that travels over the edge!
Second: Although there is only very little space at the end make wipers
at the ends with commercial rubber wipers backed up with felt!
These wipers will face the turcite and not the base as normally.
Third: Put on the cross slide and the base at the edges small air nozzles
that blow away chips and debrids.

Has anybody more experience with the turcite and better ideas to prevent
the auto destruction of this lathe?

Please answer on the list because it is important for many of us.
Thank you very much
Sven Peter