Friday, April 26, 2013

Re: [Avid-L2] Re: HDCAM tape lifespan...

 

Why wouldn't they just do this as part of the tape manufacturing
process? --J.B.

Mark Spano wrote:
> The slivers get collected by (if I remember correctly) a tape path pad.
> We're talking about microns here, so it's more like fine hairs. I believe
> there is a sensor that is also fine enough to detect a previously cut
> tape's width. The tape path pad starts out white, and in routine
> maintenance is the first thing to get replaced. The last Sony tech I worked
> along side explained that the ruby cutter is many thousands of dollars, and
> the tape path pad is a few bucks, and that few bucks replacement saves
> potentially years of life on replacing other parts down the path.
>
> If you're familiar enough with the sounds of these decks, you can hear when
> the tape path pad comes in contact with the guides, as it makes a repeating
> click-and-whirr when it's engaged. I believe it's also connected to a head
> pad which lightly cleans the back side of the rotating drum, so you'll hear
> this click-and-whirr sound repeatedly when there are a lot of tape errors.
>
> This is all information I gleaned from techs years ago, so it may be
> slightly off from 100% accuracy. But the concepts are solid.
>
>
>

__._,_.___
Reply via web post Reply to sender Reply to group Start a New Topic Messages in this topic (16)
Recent Activity:
Search the official Complete Avid-L archives at:   http://archives.bengrosser.com/avid/
MARKETPLACE


.

__,_._,___

No comments:

Post a Comment