Hello
Techs;
Bearings
are machine parts in which other parts turn or slide. Almost every piece of
moving machinery in an industrial facility uses bearings.
Friction
is the resistance to motion that exists between two bodies in contact. In order
to move either or both of these bodies more easily, friction must be reduced.
There are
two kinds of friction that exist between two surfaces in contact:
(1)
Rolling friction and (2) Sliding friction. Rolling friction is the friction
that exists when one body rolls around or within another. Sliding friction is
the friction that exists when one body slides over or across another. The
difference between the two is the way related surfaces move in respect to each
other.
Rollers
can decrease friction and make an object easier to move.
Lubricating a surface also reduces friction and
allows an object to move much more freely. Most of the loads in the plant are
moved by machines that use parts called “bearings.” Bearings help reduce
friction, and thus make plant operation more efficient.
Bearings
and Their Functions
Bearings are machine parts in which other parts
turn or slide.
They have three major functions:
1) to reduce friction,
2) to carry force, and
3) to position a moving element
Some
bearings are made to deal with rolling friction, while others handle sliding
friction. In both cases, the bearings are lubricated to reduce friction as much
as possible. Lubrication cannot remove friction completely, because the
lubricant experiences a third kind of friction, called fluid friction. Fluid
friction is far less powerful than either rolling friction or sliding friction,
but it is important to remember that it is present.
“Bearing
the load” is a bearing's second function. A bearing carries the force of a
shaft or other component. The forces on a bearing are caused by the weight of
the shaft, by additional forces that result from the shaft's movement, and by
forces carried by the shaft.
One of the main problems we face in the conveyance world is bearing failure. Many times it is due to v-belts, cog belts and transport belts being too tight and that stress is transferred to the bearings, shafts, reducers and motors. Many sites (like mine) use sealed bearings and thus they do not need much attention. However, they will still wear out over time. Monitoring their heat and vibration will assist you in knowing when it is time to replace them.
Red
Vector Spotlight!
I have a
Bearing PDF to send out. If you would like a copy of this short guide, 40
pages, I can email it to you! I will also post others as we go along this
journey.
In
Conclusion my friends; what are some of this topics that we talked about here
supported your needs? What are some of the challenges in bearings do you need
support on? Over the next few weeks, we will go many different types of bearings
and their uses to support your understanding of them.
I hope
that this blog supports your needs and delivered good content for you! Please
feel free to leave a comment!
