"Ruby slicer?"
Damned auto correct!
Shirley
-----Original Message-----
From: johnrobmoore <bigfish@pacbell.net>
To: Avid-L2 <Avid-L2@yahoogroups.com>
Sent: Fri, Apr 26, 2013 9:51 am
Subject: [Avid-L2] Re: HDCAM tape lifespan...
I just have to say. I love this list!!!! This is one of my favorite threads.
I feel like I"m in the original OZ movie and I just found out I had the Ruby
slicer all the time. I'm clicking my wanna be nerd heals 3 times. ;-)
--- In Avid-L2@yahoogroups.com, Mark Spano <cutandcover@...> wrote:
>
> I think it would require much more precise tolerances, tooling, and QC for
> every tape manufacturer. Instead, they build a failsafe into the machines,
> charge a couple grand more, and you can throw any manufacturer's tape in
> and expect it not to ruin your deck. I think magnetic tape manufacturing is
> quite precise as is, but you can't figure that every manufacturer is going
> to cut width to the strictest tolerance. The machine does the final cut, so
> to speak, and even then, only if necessary.
>
>
> On Fri, Apr 26, 2013 at 10:07 AM, John Beck <jb30343@...> wrote:
>
> > **
> >
> >
> > 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.
> > >
> > >
> > >
> >
> >
> >
>
>
> [Non-text portions of this message have been removed]
>
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