Page 124 - IGUS ECS CATALOG

Gliding | Long travels

Long travels with igus guide troughs
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Guide troughs allow igus ® e-chain ® and e-tubes
If the fi xed point is in the to continue smooth, low-friction operation in long
centre of the travel, use half travel applications. Principle sketches are shown
of the guide trough with on this page. The height of the trough must be at
glide bars and the other least twice that of the e-chain ® height. The sides
half without glide bars must provide a chamfered opening. The trough
inner width is the same as the e-chain ® outer
width, plus 4mm for an aluminium SuperTrough
Along the side of the trough, where
the upper run cannot glide on the lower run,
glide bars must be installed. We recommend
the use of polymer glide bars from igus ® . They
are optimally matched to the e-chain ® material
and off er the lowest values for friction, noise
Various igus ® guide trough systems are and wear. Guide troughs with and without glide
available Page 1298 bars can be obtained from stock for almost all
igus ® e-chains ® . Important: When assembling
the trough parts, the following points must be
given particular attention: ● Properly align all trough parts upon installation ● All screw heads
should be fl ush with the trough ● Smooth level transition between the end of the e-chain ® and
the glide bars ● Solid connection with the glide surface. These points must be observed when
using assembly-friendly igus ® guide troughs.

Ba = Outer e-chain ® width
Bi = Inner e-chain ® width
B Ri = Ba + 4 B Ri = Ba + 4
ha = e-chain ® outer height Ba Ba
H Ri = Trough inner height Bi Bi
B Ri = Inner trough width
depending on Ba ha ha
H Ri H Ri
Aluminium SuperTrough
H Ri ≥ 2 x ha A ha B
B Ri = Ba + 4
Steel guide trough
B Ri = Ba + 5
A) Guide trough without glide bars - upper run glides on the lower run
Alu SuperTrough set B) The upper run glides on the glide bars from the middle of the travel. We recommend the use
glide bar of igus ® polymer glide bars. They are optimally matched to the e-chain ® material and off er the
Installation set basic lowest values for friction, noise and wear (Illustration on the right, orange with the new high-speed
C-profi le glide bar, super aluminium trough series 973/974/975)

Glide friction values for e-chains made of igumid G and various glide bars
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igus ® igus ® polymer Galvanised Anodised AISI 304 stainless
igumid ® G glide bar steel sheet aluminium steel (material: 1.4301)
Coeffi cient of
0.19 0.45 0.54 0.48
friction dynamic
Source: igus ® lab
122 More information  www.igus-asean.com

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