Re: SLS "Leaning" parts

From: David K. Leigh (
Date: Mon Sep 10 2001 - 16:24:42 EEST

Are the parts being built on a Sinterstation 2500plus?

If so, it is your scanner. We've had the same problem on all 3 of our
pluses. It can be fixed relatively easily, but a screw up would be very
costly. DTM (a division of 3D Systems) would be able to help you out.

David K. Leigh ph (254) 933-1000
Harvest Technologies, Inc. fax (254) 298-0125
Rapid Prototyping Services

----- Original Message -----
From: "RP Scott" <>
To: <>
Sent: Monday, September 10, 2001 7:32 AM
Subject: SLS "Leaning" parts

> I've had some recent runs of parts that had a bad tendency to "lean."
> The parts' apparent Z-axis wasn't exactly perpendicular to their slices in
> the XY plane.
> I was looking to find out if other people had experience with this
> phenomenon and would be willing to share information with me.
> My own theories have to do with uneven thermal distribution on the
> surface. I think these cause deformation to show up more on builds that
> aren't very tall but have extremely long build times.
> Any feedback is greatly appreciated.
> RP Scott
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