New drylin W Exchange bearings simplifying liner replacement

plastics specialist Treotham has introduced a new bearing solution from igus designed
for easy replacement of liners on linear rails.

made of high-performance polymers ensure that igus linear guides slide silently
and precisely on the linear rails. To simplify the process of changing these
liners, igus has now developed a new replacement bearing that allows the user
to unlock the bearing, push the liner out and replace it. The principle of the
drylin W Exchange bearing is very simple. With the help of a free mounting
tool, the liners can be replaced directly on the linear rail in just a few
seconds, saving the servicing company considerable time and money.

if the lubrication-free bearing liners in a linear guide rail needed to be
replaced, the entire linear carriage had to be pushed off the rail. For linear
axes or multiple-axis linear robots with a toothed-belt drive, this meant a lot
of assembly work and also machine downtime.

new solution is a durable replacement bearing for its drylin W linear guides.
The bearing enables easy and quick replacement directly on the linear rail, minimising
downtime. The bearing, the linear guide or linear axis can, therefore, be put
back into service within just a few seconds using a practical, free tool.

side cover of the linear carriage can be easily detached using a screwdriver
and the free tool used to push the liner out of the carriage and directly
remove it from the rail. Made of the wear-resistant and abrasion-resistant
high-performance plastic iglidur J200, the new bearing is then clipped onto the
rail and located into the carriage with the mounting tool. The side cover is placed
on the carriage to complete the bearing replacement process.

are several practical advantages to this process. The rail cannot be damaged
and the replacement takes place directly on the system. A pin located in the
middle of the side cover secures the liner in the carriage. Alternatively,
replacement can also be carried out using a screwdriver with igus having
provided special recesses on the new liner and in the carriage for this
purpose. The new Exchange bearing can currently be retrofitted for all existing
drylin W systems of size 10 such as linear guides, linear axes and linear
robots. Further sizes are currently being planned.

more information, please visit the Treotham Automation website
or call 1300 65 75 64.

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