Re: Sanders ToolMaker

From: Jürgen F. Müller (jfm@bmtec.com)
Date: Fri Apr 07 2000 - 09:40:39 EEST


You can see the unit next week in Chicago

Regards

Jürgen F. Müller

www.bmtec.com

----- Original Message -----
From: Ron Doyle <rondoyle@sympatico.ca>
To: <Robert_I_Connelly@bd.com>
Cc: <rp-ml@bart.lpt.fi>
Sent: Thursday, April 06, 2000 2:50 AM
Subject: Re: Sanders ToolMaker

> Please let us know when you have information on the other critical areas
like;
> No of parts made
> Time of parts builds
> Machine problems like build stoppages, lost parts, jet life, etc.
>
> Remember, once bitten, twice shy!!!!!
>
> Robert_I_Connelly@bd.com wrote:
>
> > RP-ML'ers,
> >
> > I have what I consider to be some really good news. I just finished
studying
> > some accuracy test parts that the good people at Sanders Design
International
> > made for us on their new ToolMaker and they look great!
> >
> > I noticed a few other notes were posted here about the new ToolMaker and
I
> > thought that I too would share my experiences. We here at BD (this
includes
> > Beth Israelnaim and Larry Monahan) have been on the lunatic fringe
regarding
> > accuracy of RP machines over the years, and as such we had high hopes
that the
> > original Sanders machines would have been really great, given their
ability to
> > do fine features and ultra-thin layers. Unfortunately, they had an
annoying
> > hysteresis problem in the XY carriage that kept them from reaching their
> > potential to make tooling masters for small parts (our application). I
am
> > pleased to say that with their ToolMaker it appears that they have
completely
> > eliminated the problem. Not just reduced it, but eliminated it. With
the
> > proper pre-processing shrinkage adjustment (I calculated .002"/inch) the
parts
> > built with +/- .0005 - .00075" scatter (residual random error) which is
> > exceptional. And yes, that is the right number of zeros! The surface
finish is
> > also much better than before.
> >
> > Is this a ready-to-go turnkey tooling master system? I dunno -- there
are a
> > host of other boxes that need to be checked before I can say that, but
the
> > accuracy was at the top of my list and it is checked off now. If you
need an
> > accurate system for small parts or masters then give them a look.
> >
> > BTW, I do not work for SDI, I don't get paid by them, I don't have any
of their
> > stock, and we don't get any special deals from them for spreading good
news.
> > I'm just an accuracy lunatic!
> >
> > Also, if you would care to have any of the data that I used to draw
these
> > conclusions then just send me a note, and I'll forward to you what I
sent to
> > SDI.
> >
> > Have a good day!
> >
> > - Rob Connelly
> > BD Technologies
> > 919-990-2263
> >
> > For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
>
>
> For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
>

For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/



This archive was generated by hypermail 2.1.2 : Tue Jun 05 2001 - 23:03:13 EEST