Re: Delivery in one piece...

From: ralott@CCGATE.HAC.COM
Date: Thu Jun 26 2008 - 18:29:59 EEST

     Your mention of 5081 resin in the discussion of how to package parts
     for shipment made me wonder how many of us were SLA users "back then."
     I still have the training manual (software version 3.81) from 1990
     when I started in the business and remember doing things like
     collecting laser power level readings, averaging them, and manually
     entering the value into the build parameters. That, and typing things
     like: NS3 P1 8 P2 10 P3 12 G1 120 G2 110 G3 100 ZW 30 when preparing
     a part.
     It really brings to my mind how much the system has advanced when I
     recall needing 24 or more hours to slice a part on a 386 UNIX
     computer, and then 24 more hours to merge the files on the 286 build
     station computer.
     Do you suppose anyone else can imagine having to run a laser down to 5
     Mw before it qualified for replacement under the service contract?
     By the way, my solution to packing the very fragile 5081 parts was to
     include a two-part epoxy kit.
     Rick Lott
     Hughes Space and Communications
     Los Angeles California

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