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All
Modern Linear products incorporate the benefits of guide roller
technology for customer
applications: |
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Linear
guide rollers are very quiet as a result of the ball separation.
Noise is magnified in recirculating guide systems when
each ball collides with the one next to it in the ball
path. |
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Linear
guide rollers are based on the design of radial
ball bearings. The load carrying balls travel in
a circular path and are retained and separated from
one another. Current ball bushing and ball rail
linear systems have a recirculation path that requires
the balls to make a quick change in direction. Vibration
occurs when the balls collide entering and leaving
the load zone. |
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The radial bearings on Modern Linear guide rollers are
offered with shields or rubber seals. The seal is superior
to the wipers common in reciruclating ball guides. Debris
caught between the wheels and track is wiped away naturally.
Ball bushings and ball rails use the shaft or tail as
the inner race of the bearing making them susceptible
to contamination failure. 440C stainless steel rollers and track are also available for corrosive environments.
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| Recirculation
guides are limited by the sharp turn the balls must make
as they enter and leave the load zone. Guide rollers are
only limited by the rotary speed of the radial bearing.
Maximum guide roller speeds are up to 2X faster than ball
bushings or ball rails. |
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Modern Linear guide rollers are simple to design, install
and maintain. In operation, the guide system is compliant
and forgiving to mis-alignment and machining inaccuracies.
These features result in lower initial, installed and
total cost. |
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