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r.bauer
Joined: 08 Apr 2006
Posts: 280
Location: The Netherlands
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Tom.W
Joined: 09 Mar 2006
Posts: 6635
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| Posted: Tue Sep 15, 2009 6:39 am Post subject: |
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Nice find !
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garyfritz
Joined: 08 Apr 2006
Posts: 12088
Location: Fort Collins, CO
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| Posted: Tue Sep 15, 2009 1:27 pm Post subject: |
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What an incredibly labor-intensive process! Do/did they really still use that much manual hand-work? There was almost no automation in that whole process. Even hooking up a signal to test it at the end, they used individual clips instead of a plug that connected all pins at once. The whole thing had the feel of a one-off custom process instead of a production line.
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perisoft
Joined: 29 Aug 2007
Posts: 2920
Location: Ithaca, NY
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| Posted: Tue Sep 15, 2009 1:41 pm Post subject: |
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| garyfritz wrote: | | What an incredibly labor-intensive process! Do/did they really still use that much manual hand-work? There was almost no automation in that whole process. Even hooking up a signal to test it at the end, they used individual clips instead of a plug that connected all pins at once. The whole thing had the feel of a one-off custom process instead of a production line. |
I think maybe that show picks assembly process examples with a lot of hand work, because they do a ton of stuff like that - it seems impossible that it was all done by hand.
I know that way back in the day we made a big custom machine that manipulated and tested shadow masks for CRTs, and that they had multiple lines running, and it was very, very automated.
My friend and I made some fun observations about How It's Made... like, the people doing stuff are:
-A worker
-A craftsman
-An expert
-An artist
I think it'd be funny if they did the management side of things, too. "First, an executive chooses a product line to produce. Now, a marketer creates a powerpoint presentation..."
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Clarence
Joined: 08 Mar 2006
Posts: 3827
Location: Smith Mtn Lake, VA
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| Posted: Tue Sep 15, 2009 2:18 pm Post subject: Re: How its made - Cathode Ray Tubes (CRT) |
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My youngest son LOVES that show!
I recorded that exact episode in HD last week... I'm going to put that segment at the end of my next blu-ray demo disk.  
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dropzone7
Joined: 12 Jun 2007
Posts: 1069
Location: Charlotte, NC
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| Posted: Tue Sep 15, 2009 6:42 pm Post subject: Re: How its made - Cathode Ray Tubes (CRT) |
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| Clarence wrote: |
My youngest son LOVES that show!
I recorded that exact episode in HD last week... I'm going to put that segment at the end of my next blu-ray demo disk. |
Um, Clarence you may want to edit that last statement. Hint hint... 
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r.bauer
Joined: 08 Apr 2006
Posts: 280
Location: The Netherlands
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| Posted: Tue Sep 15, 2009 10:01 pm Post subject: |
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Kal, do you have a CRT-projector fundamentals topic? This movie should go there.
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Spanky Ham
Joined: 22 Mar 2006
Posts: 5643
Location: Comedy Central
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| Posted: Thu Sep 24, 2009 1:30 am Post subject: |
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THere was another program like this that showed the process of making a CRT as well. IT looks rather simple, so maybe someone can start up cheap tube production.
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cmjohnson
Joined: 03 Apr 2006
Posts: 5180
Location: Buried under G90s
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| Posted: Sat Sep 26, 2009 3:45 am Post subject: |
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http://www.youtube.com/watch?v=P50dIII0Svs&NR=1&feature=fvwp
This one is very interesting as well, at least in the later part where they disassemble the CRT itself.
The CRT's faceplate is separated from the bell glass by means of a hot wire. Then the phosphor coating
is vacuumed out of the faceplate. Very neatly done.
CJ
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