• Belts And Performance

    Belts And Performance

    The belts for vacuum cleaners can come in many styles
    and hundreds of different sizes.  Normally, vacuums
    use a belt to drive an agitation device, which
    is also known as a brush roller.  With very few
    exceptions, most vacuums will use either a flat
    belt, round belt, or a geared style belt.

    The type of belt that your vacuum uses is very
    important, not only for durability, but performance
    as well.  The condition and type of belt your
    vacuum uses will have a lot of impact on the systems
    ability to clean carpet.  The proper use of
    agitation is almost 70% of the cleaning ability of
    a vacuum cleaner.



    Suction is also very important.  The suction is
    what pulls the dirt that is removed from the carpet
    into the collection area of the vacuum.  The
    suction, or airflow, is the key when cleaning
    hard surfaces or when using attachments.  Without
    suction, a vacuum cleaner could only bring more
    dirt to the surface of carpet.  Even though both
    agitation and suction are important with vacuuming,
    the agitation is what actually cleans them.

    Almost all manufacturers use brush rollers that
    are made of wood, metal, or even plastic that
    is driven by a suction or brush motor through
    the use of three different kinds of belts - round,
    geared, or flat.

    The round belts are the earliest type as they
    were easy to produce and easy to engineer.  The
    round style, unfortunately, is normally run in
    the same space as vacuumed dirt.  What this means,
    is that almost all of the dirt, staples, and
    hair you vacuum up will pass around the belt;
    cutting, nicking, or even scratching it along the
    way.

    Vacuum cleaner belts have to stretch quite a long
    way, placing even more stress on the roller and
    the motor bearings.  The round belt is still
    common, and used even today.

    The flat style of belts are most often run in a
    circular fashion as well, unlike the twisted
    route the round belt takes to deliver the
    performance in the proper direction.

    The style allow manufacturers to run the belt off
    of one side of the brush roller, instead of the
    center where all of the dirt is.  This is truly a
    great innovation, as you can eliminate premature
    failure due to the soil and dirt in the belt path.

    The latest belt design is considered to be the
    best in the industry.  Even though there are many
    variations out there, the geared belt is the
    most efficient means to drive a brush.  The
    geared belt is also known as a positive brush system
    because the energy of the brush motor is
    transmitted directly to the brush.

    Both the brush and the motor are locked by
    fixed teeth to each other through a cogged belt
    without tension.  The resulting direct connection
    results in higher cleaning efficiency because
    the brush can be driven at a faster speed
    regardless of the age of the belt.

    The flat style can stretch as they become warm,
    which will cause them to lose tension.  When
    you use your vacuum, the belt is always going to
    stretch.  Believe it or not, it will lose it's
    tension the moment you put it up to rest in the
    closet.

    There is however, one real drawback to geared
    belts - the cost of the vacuum.  Geared belts
    are normally used on two motor vacuums.  Not
    only does this require a separate suction and
    brush motor, but it also requires electronic
    sensory systems to tell you when something is
    wrong with the brush.


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