PSNet'ers,
I enjoyed this video very much. Having worked at Tektronix in the
business since about that time as depicted in the video it all looked like what
we did day by day to get a quality product out. I am pleased to see the use of
Tek scopes prominently displayed since I developed CRT displays for a number of
products during that time - before I got involved in the safety & regulatory
activities.
Ted is correct, much of the testing has been automated but, in my
opinioin, is more rigorous today; component testing has also been pushed back
on the supplier. All of this improves the reliability of the equipment.
Thanx for this blast from the past.
:>) br, Pete
Peter E Perkins, PE
Principal Product Safety Engineer
PO Box 23427
Tigard, ORe 97281-3427
503/452-1201 fone/fax
p.perk...@ieee.org
-----Original Message-----
From: Ted Eckert [mailto:ted.eck...@microsoft.com]
Sent: Friday, June 13, 2014 8:32 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Television Manufacturing Documentary From The Late 1950's -
YouTube
I'm not sure I would state that the amount of testing seems outrageous. Many of
today's similar products undergo extremely rigorous testing on the assembly
line. A modern television will undergo extensive testing. The difference is
that modern testing is automated. We have board of nails testers that can
verify an entire circuit board quickly. Robotic test stations can check buttons
and user interface functions. Cameras and sensors can verify the video and
audio outputs. It's possible that modern testing is even more comprehensive.
The difference is the automation allows it to be done much more quickly and
effectively. We don't need armies of people on the line to run these checks.
There is also more testing pushed down to the suppliers. We expect our power
supply vendors to run extensive testing before they ship their products to our
factories. We may run spot checks, but we expect component testing to be
decentralized.
Ted Eckert
Compliance Engineer
Microsoft Corporation
ted.eck...@microsoft.com
The opinions expressed are my own and do not necessarily reflect those of my
employer.
Testing - Yes, it looked like they were testing it to death, leaving only the
good ones to ship. Obviously, there were enough good ones to give RCA a good
reputation. I almost expected quality engineers to be present when the
consumer unboxed the set.
Locations - I was surprised how many facilities were involved with design &
manufacturing.
Tube testing - I liked the machine with cork bottle tops hitting the sides of
tubes. I wonder if it was to test glass strength, or to check for microphonics
(excessive microphonics.) Personal safety - I cringed when I saw the woman
handling the open liquid nitrogen canister with her bare hands, or the assembly
person picking up a CRT by its neck without gloves.
My wife recognized the voice of the narrator (Henry 'Jam' Handy), and said must
have done every documentary in that era.
Pat
On Thu, Jun 12, 2014 at 3:30 PM, Douglas Nix <d...@ieee.org> wrote:
> Interesting look back at 1950's manufacturing, especially from a
> Quality Assurance, Test and OHS perspective. No workers were using any
> kind of obvious PPE except a few on the soldering lines. No hearing
> protection, dust masks, safety glasses or other PPE that I could see.
> Ergonomics sucked in most cases. From a QA standpoint, it looked to me
> as if they were trying valiantly to test quality in, rather than build
> it in. The outdoor open-area-test site was pretty interesting too.
> These are normally inside inflatable structures now, so you can work
> in crappy weather as well as good. Cool in any case.
>
> Thanks for sharing this, Dieter!
>
> Doug
>
> On 12-Jun-14, at 15:19, Paasche, Dieter
> <dieter.paas...@christiedigital.com>
> wrote:
>
> Testing has changed over time,. or not?
>
> http://www.youtube.com/watch?v=5TF2DZ0E0Q4
>
>
> Dieter
>
> -
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