Multi-directional build-up by Laser Generating

From: Roland Smeenk (r.j.m.smeenk@student.utwente.nl)
Date: Wed Jun 19 1996 - 13:47:27 EEST


Hello,

I am a student working on my thesis at the University of Twente, Department
of Mechanical Engineering, Laboratory of Mechanical Automation (Holland).
We are doing research on laser generating, a fairly new way of producing
fully functional metallic parts. The way we do this is by melting powder
onto a metal plate with a Nd:YAG laser. The product is manipulated by a
6-axis robot, but currently only three are being used. This is still done by
using the conventional one-directional layering technique. What we have in
mind for the future is a multi-directional build-up, so we don't need
support structures.
What I would like to know is where I can find more information about
advanced three-dimensional build-up and links to 'conventional' rapid
prototyping software.

Some more info:
I have written a Windows program that can read Ascii and Binary STL, display
the products, slice the product in one given direction with specified layer
thickness, scan those slices in various ways (zigzag, zig, multiple
inclinations) like done in pocket machining, and write everything to a
ISO-code file for input in the NC-program that controls the laser and the
robot (powdercontrol will be added)

For questions, suggestions or information
mail me:
r.j.m.smeenk@student.utwente.nl

Greetings Roland



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