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Thread: QIC Tape Cartridge Belt Replacement - YouTube Video

  1. #1

    Default QIC Tape Cartridge Belt Replacement - YouTube Video

    Inspired largely by Al Kossow's QIC tape cartridge reading & restoration work, his instructional write-up on classiccmp, and emails he has sent me personally on the subject, I have created an instructional video on a way to replace a QIC tape cartridge belt or tension band.

    http://youtu.be/70PDHfdbsvY

    I missed a few of the finer points discussed in all 8 messages of this classiccmp thread, but I think I touched on some of them.

    I welcome your critiques and comments, as I know many of you here have far more experience with these cartridges than I do.

    I hope it adds value, and I hope I don't ramble on too much...

    Thanks everyone!
    -AJ
    Last edited by firebirdta84; March 4th, 2015 at 11:37 PM.

  2. #2

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    Thanks for this! I wish there was a place to purchase replacement bands without using one from a different cartridge.

  3. #3

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    Quote Originally Posted by Doug G View Post
    Thanks for this! I wish there was a place to purchase replacement bands without using one from a different cartridge.
    Thanks for the encouragement, Doug G. Yes, I wish for the same thing. I'm investigating other options, as I now have acquired quite a few DC300 and DC600 cartridges that could use this belt replacement.

    The next best option is to just keep re-using the good bands, moving them from tape to tape after either each successful read. Of course, that is ideal. Many tapes will not have successful reads.

  4. #4

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    I just created an update video on my methods for QIC Tape Cartridge Belt Replacement

    https://youtu.be/Ku1lKY-2mGs

    Again, this has all been inspired by the things I have learned from reading all of your comments here and at classiccmp

    Another H/T to Al K!

  5. #5
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    I wonder if that "rubber rejuvinator" stuff would help:

    http://www.amazon.com/MG-Chemicals-R.../dp/B008O9X3KS

    I'd obviously try it on a cartridge that has no value in case it doesn't work for whatever reason.

  6. #6
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    Quote Originally Posted by GiGaBiTe View Post
    I wonder if that "rubber rejuvinator" stuff would help:
    No. The belts are plastic and they dry out and become brittle. They also stretch out over time.
    The closest substitute are non-rubber "elastibands" that are replacement for rubber bands, but
    they aren't quite the right thickness and they slip off of the reels. As a practical matter, NOS
    DC-6150 and later bands have survived better than the ones in earlier tapes, which were made
    back to the 70's, and it is easier just to reuse them.

  7. #7
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    Polyurethane. The way the tech (who remembered how it was done) at Imation said that they were basically punched out as rings from a sheet of poly, then a special machine would "flip" them and apply them to the cartridge. He thought that the QA lab might still have a manual version of the machine, but he turned up nothing--so it's probably history.

    One thing about the belts and/or elastibands. You can shrink them a bit by boiling them in water for a minute or two. The other thing is to use an older drive to do the reading if possible. The newer SLT drives are a lot faster and can foul easier.

    Plastibands are cut of strips of polyurethane and then have the ends bonded to form a loop, which is why they're not all that great. But I've gotten them to work on occasion. The optimum solution would be to duplicate the original process and have a die punch out rings of sheet poly.

  8. #8
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    Huummmm ......
    I asking myself : A die, that size, would not be easily manufactured.
    What about LASER cutting ( it ) from a polyurethane sheet ??
    Is polyurethane Laser cut possible ??

  9. #9
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    Yes. Get a big dust collector.

    But why would a die not be easily manufactured?
    Be polite and I may let you live.

  10. #10

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    Quote Originally Posted by Chuck(G) View Post
    Polyurethane. The way the tech (who remembered how it was done) at Imation said that they were basically punched out as rings from a sheet of poly, then a special machine would "flip" them and apply them to the cartridge. He thought that the QA lab might still have a manual version of the machine, but he turned up nothing--so it's probably history.
    Chuck(G), thank you for your correction, PU instead of PVC. It was you I was referring to in the video, and I linked a post you made on this forum right below the video, telling this exact story a few months back.

    I appreciate this discussion, guys...thanks!

    -AJ

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