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Quality Rubber Belts Source

Discussion in 'Electronic Repair' started by [email protected], Jul 6, 2011.

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  1. Guest


    I have an Aiwa Z-L500 stereo in my living room that I had
    worked on more than once for the same problem, replacing the rubber belts
    on the cassette units. The last time I replaced those belts, the problem
    came back in less than two years.

    Note: I have been doing service work for years.

    I am willing to pay much more for quality rubber belts, but I don't know
    a source. Do you know a source for quality belts?

    Thank You in Advance, John

    PS, Remove "ine" from my email address
  2. N_Cook

    N_Cook Guest

    Replacement ones are likely contemporary with the machines so equally
    perished. Make your own from bike/motorcycle/car tyre inner tube or silicone
    kitchen bake ware and a "bean slicer" if too thick. Maybe purple or orange
    and you have to allow for more stretch if silicone rubber but who will be
    looking in there
  3. N_Cook

    N_Cook Guest

    In packs where the plasticizer of the belts has reacted with the plasticizer
    of the wrapping plastic, leaving a tell-tale brown staining in the bag - ie
    as old and therefore suspect as the broken belts in the machines.
    Often with the job-lot ones you can see the original moulding lines on one
    side of the
    innertubes that they derive from. May as well do the same yourself and then
    you can 'source ' any size at any time. Wide or square belts easy-peasy . If
    the original was round, ie extruded rather than cut , I've never found a
    problem with a square section replacement as long as there is no twist in
    the run.
  4. N_Cook

    N_Cook Guest

    Just found an excellent source material for cassette bands -Maru slicone
    swimcaps, for swimmers
    So cutting sections of a spherical surface in effect
    If 30 degree toe-in angle is ok with bulbous pulleys then , for the .4mm
    thick rubber and 6mm wide cut strips diameter of 40mm (with toe-in angle of
    30 degrees)
    up to 70 mm diameter with zero degree toe-in angle (sphere diameter) range.
    Silicone is about 50 percent more elongation for given load , area for area
    , than normal rubber.
    That is for the one in front of me, probably different sizes available from
    babies upwards.
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