WHAT'S THE LUFA ROD END ?
Basically, the Lufa Rod End is a two-piece non-swaged spherical bearing.
Undeniably, a two-piece rod end has greater radial static load carrying
capability then that of a three piece design. A three piece rod end has
a ball, a race swaged around the ball, and then the ball and race
assembly staked into a rod end body (banjo).
A Lufa rod
end has only two components…a ball and a banjo. Both components are
tolerance machined to predetermined dimensions offering zero breakaway
torque ensuring absolute surface contact area interface. The banjo
head's wall thickness is the same as the combined thickness of a three
piece. Having two rod ends produced from identical materials, the Lufa
will be stronger simply by design characteristics.
The Lufa
design accommodates any machine capable material in any design
configuration or any size desired by the end users. Cradin produces
solid aluminum rod ends having a fluoropolymer coating applied to the
ball surface to gain lubrication. Want a solid composite ball instead,
not a problem. The advantage of a Lufa rod end is the ball element is
easily replaceable. Meaning, you really don't have to replace the entire
rod end just the ball.
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Lufa is a registered Trademark of Cradin.
It is intended to identify Cradin Aerospace's Patent Pending spherical
bearing and rod end designs from other spherical bearings. What the Lufa
name stands for is Lutz family.