In the recent past I have requested feed back on those folks that have a 3D
Systems SLA250/50/HR system. Apparently no one else has this type system or
is interested in sharing parameters except Beth from Becton Dickinson. So I
have NO more information to report back to you. Thanks Beth!
----Original Message-----
From: Joe DeGuglielmo <jfdegug@kodak.com>
To: Joe D <jdegugl1@rochester.rr.com>
Cc: RPML <rp-ml@bart.lpt.fi>
Date: Thursday, July 23, 1998 11:38 AM
Subject: Re: sla250/50.hr
>Here is what I'm using TODAY (see below)
>
>> Joe D wrote:
>>
>> I'm still having some difficulty with this small spot SLA250. It's become
very
>> apparent that there are no standards in place for parameters. That is to
say
>> that the chance of two machines running the same resin, build styles,
laser
>> power, etc. is highly unlikely. To those of us that are using this
machine I
>> propose that we share with each other the critical settings that we all
are
>> using for comparative purposes.
>>
>> So far I've learned that
>>
>> * the 2.5 mil style that 3D supplied doesn't work in most systems
>> * most people are using different resins (I only talked to one other
person
>> using SL5170)
>> * some have had their own formulation mixed
>> * laser power varies from 11mw to 2mw on the various machines ( how
many
>> are there anyway???)
>> * only a couple users are satisfied with their results (if there are
more
>> they haven't spoke out yet)
>> * 3D technical support advises leaving the laser on full
>> * builds take over 3x longer to build then on a 250/50 and could take
as
>> much as 6x longer (my experience)
>>
>> I'd be interested in knowing these bits of information and would compile
the
>> data and distribute it to those who contributed. I'm not sure what we'll
learn
>> but I think there will be some value to this exercise.
>>
>> here is my list:
>>
>> * manufacturer of laser in use Liconix
>> * laser power range observed 3mw to 9mw
>> * spot size .003
>> * Resin used SL5170
>> * Ec 4.8
>> * Dp 13.3
>> * Resin temp 31C
>> * border OC .006
>> * hatch OC .0015
>> * skin file OC .0065
>> * hatch spacing .0025
>> * fill spacing .002
>> * layer thickness .003
>> * blade gap % 210%
>> * physical blade gap .004
>> * support layer thickness .006
>> * support border OC .011
>> * support spacing .325
>> * zwait 40
>> * predip 20
>> * # sweeps 1
>>
>> If there is anything I missed feel free to add it.
>>
>> Regards,
>> Joe D
>
>--
>Best Regards,
>
>Joe DeGuglielmo
>Eastman Kodak Company
>Rapid Prototyping Center
>901 Elmgrove Rd.
>Rochester, NY 14653-5315
>(716)-726-7046 Phone
>(716)-726-3220 FAX
>jfdegug@kodak.com
>
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