For the last 3 years I always have got 3000 plus hours. Before 1997 I
always got 4000 to 6500 hours. We have not seen the price drop in lasers,
as we have in other technology items. Maybe lack of competition in the
laser field has caused these high prices and poor laser life.
----- Original Message -----
From: <bolson@molex.com>
To: <rp-ml@bart.lpt.fi>; <lzrdude@earthlink.net>; William LeBlanc
<leblanw@UMoncton.CA>
Sent: Thursday, September 16, 1999 12:00 PM
Subject: Re[2]: HeCd laser lifetimes ???
> William,
>
> Do you have a good UPS system on your machine? We found that that
> makes a big difference in laser life. We have had our lasers run in
> excess of 3000 consistantly.
>
> Bob
>
>
>
> ______________________________ Reply Separator
_________________________________
> Subject: Re: HeCd laser lifetimes ???
> Author: "William LeBlanc" <leblanw@UMoncton.CA> at INTERNET
> Date: 9/16/99 10:34 AM
>
>
> Eric,
>
> Since 1991 I have seen lasers last anywhere from 50 to 3000 hrs. I have
yet to
> experience a laser making it past the 3000 hr barrier.
>
> Melles or Omnichrome, I'd say pretty much the same. I have been told that
my
> power supply killed my last laser (800 hrs) ..... who knows, same power
supply
> and another laser now at 1900 hrs!
>
> Regards,
>
>
>
> William LeBlanc, ing.
> Concept + Inc.
> leblanw@concept-plus.com
> www.concept-plus.com
>
>
> >>> Eric King <lzrdude@earthlink.net> 09/15 6:03 PM >>>
> Dear List,
>
> We have seen over the past couple of years, the HeCd lifetimes slowly
> decreasing, over several different applications - other than SLA. They
> used to run for 8-10 hours typically. Now we are currently seeing them
> fade in power starting at 2-3,000 hours.
>
> Can any of the SLA-250 users please help us help confirm,or deny this ?
>
> It has seemed that ever since Melles aquired Liconix, and Omnichrome,
> that quality has been placed lower on the priority list, than quantity.
>
> Of the last 3 Omnichrome series 74 lasers that we have seen,
> on the SLA-250's, they died at:
>
> 1,163 hours
> 253 hours
> 116 hours
>
> These lasers came straight from the box. Shipped from Melles,
> to our customer's site. (Which also took too many weeks !!)
>
> Thank you for your help, & looking forward to all of your replies.
>
> Eric King
> sla-250@laserinnovations.com
>
>
> -Quote of the day: "People who send "SPAM" are...
>
> Stupid
> People
> Among the
> Masses"
>
> For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
>
>
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>
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