strange phenomen

From: Steven Oorts (Steven.Oorts@mech.kuleuven.ac.be)
Date: Mon May 31 1999 - 13:29:06 EEST

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Hi,

Last week I encountered a strange phenomen while sintering a nylon
part on our DTM sinterstation:

Some details were not fully sintered but only sintered at the border.
The part is sintered in glass filled nylon using only a hatching scan
(without outline). This phenomen only occured when the detail was
relatively small (ca.1mm) and was orientated perpendicular to the
scanning direction. I checked the stl-file and all the build and part
parameters but it all looks ok to me.

You can find a picture of this part on the net:
http://www.mech.kuleuven.ac.be/~soorts/part.jpg

Has anyone else on the list ever seen a similar phenomen?

-- ------------------------------------------------ ir. Steven Oorts research engineer SLS

K.U.Leuven - Division P.M.A. Celestijnenlaan 300B 3001 Heverlee, Belgium http://www.mech.kuleuven.ac.be/pma/pma.html

tel: (+32) 16/32.27.72 fax: (+32) 16/32.29.87 e-mail: steven.oorts@mech.kuleuven.ac.be ------------------------------------------------

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

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