From: Armando Alves (email@example.com)
Date: Mon Oct 14 2002 - 11:56:45 EEST
Dear Patwa and list ,
I´ve been working with a Viper for about 5 months and so far so
1. The warranty of the laser is one year or 7500 hours but if
you do not use 7500 hours on the first year the warranty ends.
2.Until now i don´t have any speed reduced .
3.That´s not true . The resins i work with are Accugen and
Accudur and i never had to replace the vat. Contamination of
, Citando Patwa jeevan <firstname.lastname@example.org>:
} Dear list,
} I am a post graduate person from IIT having
} specialisation in CAD and RP.
} I have some issues regarding SLA / Viper system.I
} would like to get the clarification from all of you
} these issues.The issues are following:
} 1. Laser Optics replacement: 3D systems gives the
} warranty of 7500 hrs for their laser optics.After
} the whole laer optics need to be changed which
} around $50,000.This is pretty costly affair to
} whole laser optics.Recently 3D systems claim that
} there is no need to change the whole laser optics,
} it can be repaired in parts.IS THIS TRUE?
} 2. Laser Age: As laser gets old the speed gets
} reduced.That means the speed of laser is inversaly
} proportonal to the life of laser.As its get older,
} speed reduces.IS THIS TRUE and what is this factor
} proportionality.By what percetage it gets reduced?
} 3. Resin Contamination: After 30-40 runs the whole
} of resin needs to be replaced due to
} cause a great loss of material.IS THIS TRUE?
} These issues are very crucial while deciding on the
} SLA / Viper for business plan since it reflects
} greatly on the costing. Hence i would like your
} clarification on these issues.
} I would particularly appreciate comments and
} clarification from SLA / Viper users and 3D
} experts on these issues.
} Respectfully Yours
} Jeevan Patwa.
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