Recoater Problems

From: Mark Davis (
Date: Sat May 30 1998 - 02:46:59 EEST

We have an SLA500 with a Zephyr recoter and are running SOMOS 7100 resin.
The machine runs fine and builds great parts, but periodically the recoater
and or rim gets out of level, which of course causes dewetting or crashing.
This occurs with no apparent cause. It's hard to say if it happens
gradually, or all at once. We are having to perform the rim leveling, blade
gap and rake adjustment far too frequently. Has anybody else experienced
this type of recurring problem? Is this common to Zephyr machines and is it
possibly aggravated by the use of SOMOS? Any help would be appreciated.

Thank You,
Mark C. Davis
ARRK Product Development Group

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