Installation and strain relief for round electrical cables
1) Cables must laid straight, without any twisting.1roller
crossbar.igus.Morehoselengthcanbefactoredinorstrainreliefimplemented.Sufficientroommustbeleft(20% clearance). gap 10-30 times
the cable diameter between the end the bend
segment and the fixed point recommended for
most cables. Because lateral hydraulic hose movements
within the e-chain® can lead increased abrasion the hose material, hoses should secured
in position with vertical separators, and jamming must avoided. There
should strain relief both ends. After consultation, they
can laid together more closely than the 10%
clearance rule allows. Cables must not uncoiled from the top of
the spool.
Flat cables
Itisespeciallyimportantforflatcablestomovefreely
at the bend radius.Itisimportantforselected
hoses sufficiently flexible (they must bend the specified radius). chainflex® cables can, the other
hand, have strain relief directly the mounting
bracket, testing has confirmed.Inextremecases,therollclipcanbesubsequently
installed. recommend
e-chains® with crossbars
every link distribute the
force the hoses over
more crossbars!
horizontal interior separation.
We will pleased provide you with
recommendations for complete e-chain
systems®: bend radii all cables and hoses,
interior separation and service life are then
optimised. For pneumatic hoses made rubber,
we recommend that the 10% clearance rule
be strictly followed because these hoses tend
to stick each other and other cables and
hoses. The surface the hoses
must also abrasion-resistant and able glide.
Cables must able bend freely. recommend e-chains® with crossbars every link distribute the force the
hosesovermorecrossbars. This requires double-sided
strain relief. igus® chainflex® cables are immediately ready for placement directly into the e-chain®.
3D CAD, configurators, service life calculation and more www. Notch separators that snap
into the crossbar, for example, keep the hoses firmly place the e-chain® even there strong
vibration and shocks.eu
. the crossbar, the hoses come into contact with series plastic cylinders which rotate
with them.
Hydraulic hoses
During planning, pay special attention longitudinal and transverse expansion when the hoses
are pressurised. For bus cables and fibre optic cable, special attention must paid how effective
transmission rates and shielding remain after millions cycles the minimum bend radius.
In some cases, one-sided strain relief the moving end can tolerated. cables
● Strain relief integrated directly into the mounting bracket ●Flexible shields for shielded cables ●
Abrasion-resistant and nonadhesive outer jackets Large selection avoid expensive custom
designs. exceptional cases, the
cablesmaybefixedwithstrainreliefatthemoving
end the e-chain® only.
2) The cables must laid that each individual cable can move freely from side side.eu
Fully pre-assembled e-chain system® with
several pneumatic and hydraulic hoses
Drastically reduce the jacket
abrasion very stiff cables
andhoseswiththeE4. Hoses with textile braiding are
usually more flexible than those with steel wire braiding. important prevent
cables and hoses from tangling. The rolling contact
surfaceswithtribo-optimised
plain bearings increase the
service life considerably.igus® chainflex® cables
can combined with all others. chainflex® cables can strain-
relieved directly the mounting bracket
Round electrical cables
For electrical cables, the round cable safe, simple and cost-effective solution for e-chain
systems®. Our experience shows that over 95% all applications can solved
without rollclips.
Nomorecorkscrewingwith
igus® e-chain systems®
Pneumatic hoses
In principle, the rules for round cables also apply
to pneumatic hoses.
rollclip
In almost all cases, the broad, smooth, rounded contact surfaces all igus® e-chains®/e-tubes are
sufficienttoprotecthydraulichosesfromabrasion.
3) The cables must able move freely along the radius. This must taken into
accountwhenstrainreliefisapplied. two flat cables are
laidontopofoneanother,westronglyrecommend
4) The division the e-chains® interior using
igus® interior separators shelves necessary
if several cables and/or hoses with varying
diameters are laid out.
They need not disconnected laid out before installation.
Distribution rules Cables and hoses Distribution rules Cables and hoses
● Pneumatic hoses
Theigus® programalsooffers
polymer pneumatic hoses
called chainflex® Air
● Flat cables
Outer jackets made of
rubber must specified
particularlycarefully,because
of potentially high friction
● Hydraulic hoses
Hydraulic hoses need more
space: 20% all-around
clearance.
6) Round electrical cables must secured with
strain relief both ends.
Strain relief
Hydraulic hoses are most often stretched lengthwise during operation. recommend the following criteria for selecting the proper round electrical cables:
● Small minimum bend radii and mounting heights Long service life minimum bend radius ●
Service life expectations for your application (short long travel, hanging) Test data service
life from realistic tests Uncomplicated installation process hanging, laying out, etc. practice, has been
demonstrated that pneumatic hoses are less
susceptible wear.137
136 More information www.Ifnecessary,
theyshouldbeseparated. The igus® interior separation elements minimise
hose abrasion with their wide, smooth, rounded contact surfaces. Flat cables are only recommended limited extent for use in
e-chains®.igus. Two adjacent flat cables should
be kept apart with separators. Flat and round cables should laid separately the e-chain®.
5)Cablesandhoseswithdifferentjacketmaterials
mustnotbeallowedtosticktogether. Extreme cases include particularly soft jacket materials, particularly small bend radii,
and highly dynamic loads. This must double-checked the
upper run operates the cable’s maximum bend radius
