Ceramic Coated Linear Bearings - A Major
Breakthrough in Linear Bearing Design And The Original Drop-In
Replacement for Linear Ball Bearings - 1976
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THE SOUL OF A NEW IDEA In 1976, Warren Hamilton - an internationally
recognized designer of plain (sleeve) bearings was asked by a
customer to solve a linear ball bearing failure. At the time, Warren
and his team spent most of their efforts on traditional rotary,
sleeve bearing designs. Applications like a revolutionary sintered,
high temperature (700F+), self-lubricating aircraft engine stator
vane bushing made from nickel, chromium and cobalt - eventually used
in every F404 engine employed on the new F-18 Hornet - America's
latest topline fighter. Getting back to the linear ball bearing
issue... Warren studied the linear ball bearing failure and set-out
to find a solution. The linear ball bearing was failing because of
too short a stroke coupled with rapid oscillation. Up until this
time, there were no drop-in alternatives. In 1976, ceramic
technology was in its infancy relative to industrial designs. While
struggling to find an answer, Warren had a design epiphany: ceramic
coating an aluminum substrate. Thus, the ceramic coated linear
bearing - and LM76 (Linear Motion 1976) - were born. It was truly an
engineering milestone..." Since then, LM76 has immersed itself in
all plain bearing material advances from polymers to polyimides. We
have also fielded a comprehensive line of linear ball, roller and
"V" wheel roller systems. Coupled with our advances in linear motion
bearings we have developed a complete linear shafting capability and
linear slide design division. "If it goes back and forth or up and
down, LM76 has a solution for your application." John Tarbell,
President LM-Tarbell/LM76.
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A Note from Mike Quinn VP Sales &
Marketing LM76 |
We at LM76 aspire to always "do the
right thing" by our customers. We know your success is, in
the end, our own. We remain determined to supply our
customers products they need, not make them settle for
catalog options. Thus, we seek to speak with everyone who
graces our websites and reviews our products. We want to
know more about your application so we can put our more than
150 collective years of experience to work for you. More
than 50% of our production can be classified as special -
sometimes extreme, sometimes slightly modified. But we are determined
to ask that last question, "What would make this product
better for your application? Is there something more you
would like to see this linear bearing, shaft or slide bring
to the table?" We do not see ourselves as a catalog house -
to be sure we have numerous catalog, on-the-shelf linear
bearings - rather we see ourselves as linear advocates and
adventurers - pushing the envelope of a mature mechanical
world. So if you have an application, run it by us...give us
a call and discover where the next level of questions and
matched capabilities bring us. Let us distill down to the
final, best option for your application. |
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