Page 186 - IGUS Linear

drylin R shaft guides | Technical data drylin R shaft guides | Technical data
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drylin R linear plain bearings Dirt, dust, fibres The split bearings are easily pulled off the housing and Material properties:
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The drylin standard round An important feature of all the available linear bearings is their opened. The slotted liner can be simply mounted on the iglidur J u www.igus-asean.com/J-material
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bearings consist of an tolerance of dirt. For most systems the application of wipers shaft. With this product range of split drylin bearings, iglidur J200 u www.igus-asean.com/J200-material
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interchangeable iglidur J or seals is recommended for even low dirt accumulation. installation times can be reduced to a minimum. iglidur X u www.igus-asean.com/X-material
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liner that is manufactured to No other system features such a high safety with dust, iglidur E7 u www.igus-asean.com/E7-material
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be a mechanical fit into an lint and coarse dirt as drylin . The patented design of the Series L1 - low-clearance press-fit bearings iglidur A160 u www.igus-asean.com/A160-material
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anodised aluminium adapter. bearing surface using individual slide pads connected by The series L1 plain bearings are composed of the iglidur A180 u www.igus-asean.com/A180-material
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The locating spigot of the liner thin film sections, provides performance benefits for dirty iglidur L100 bearing material, an extremely wear-resistant iglidur L100 u Seite 775
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is carried out by a snap ring environments. Dirt, even when it becomes wet on the shaft, plastic compound. They are sub-divided into a press-fit
groove. drylin R linear plain bearings, made from solid plastic, is wiped away by the individual glide pads and is moved area and a gliding range. The gliding range is composed of
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are dimensionally equivalent to standard ball bearings. They into the open areas. The running sections of the drylin individual crossbars which are linked to each other by thin
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are made entirely out of wear-resistant iglidur J material and bearing then slide on the shaft that has been cleared of all film bridges. These film bridges compensate the elongation
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can off er technical advantages in addition to the clear price contaminants. of the bearing through heating or moisture. This separation
advantage. Thus, applications in which machine parts are enables the almost clearance-free design of the bearings,
primarily stainless steel, e.g. food and filling equipment, are Split linear bearings as there is no clamping of the shaft. The cylinder-shaped
well suited for the use of solid plastic bearings. An additional Applications that are on the edge of technical feasibility press-fit area is also visually very distinct from the gliding
weight-saving is also easily obtained. or in extremely harsh environments often require frequent range. The function of this area, which shows a distinct
Both versions are designed for the installation in housing replacement of the bearings. In many cases, drylin can give clearance compared to the shaft, is to fix the bushing firmly
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holes with the tolerance H7. The mounting is done like in ball a multiple increase in the service life. However, in extreme in the housing by means of a press fit.
bearings with circlips according to DIN 471/472. applications, replacement of the bearings is necessary,
The narrow design of the 02 series linear plain bearings, even with drylin . drylin linear plain bearings can provide Compressive strength Coefficient of friction
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is clipped into the H7 housing hole. Standard commercial considerable cost reductions in such cases as only the iglidur plain bearings are homogeneously filled with solid Plain bearings of the L1 series are designed for dry operation
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2-component adhesives can be used for this purpose. polymer bearing liner has to be replaced. This often means lubricants. In this way, lubricants cannot be removed, even against steel. The best results are attained with surface
a reduction of more than 90% in replacement part costs. In at high loads. The iglidur L100 material allows an average finishes from 0.3 to 0.8Ra. The coefficient of sliding friction
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addition the dismantling of the shafts is avoided. static surface pressure of 70MPa. However, only half of the reduces with increasing load. Typical coefficient of friction
load-bearing surface can carry loads and this is taken into in dry operation are 0.2 to 0.3. But the value can be higher
account in the calculation. with less suitable shafts.

Surface speeds Operating temperatures
The following table shows possible surface speeds of Temperatures affect the compressive strength, the
L1 bearings. wear and the securing of the bearing in the housing.
● Extremely wear-resistant A firm fit could be determined in all the tests up to a
● Low coefficient of friction temperature of +70°C. At higher temperatures, an
● Vibration-dampening additional securing of the bearing is recommended.
● High static compressive strength With effective securing, L1 plain bearings could also be
● Good chemical resistance used at temperatures over +130°C.
● Highly resistant to dirt
● Also suitable for soft and rough shafts
The endurance The Blue Sky Thinking
The All-rounder - The specialist - The extreme - runner - FDA-compliant - FDA/EU-compliant -
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iglidur J iglidur J200 iglidur X
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iglidur E7 iglidur A180 iglidur A160
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iglidur L100 Rotating Oscillating linear iglidur L100 Application temperatures
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Application temperature -50 up to +90°C -50 up to +90°C -100°C up to +250°C -50°C up to +70°C -50 up to +90°C -50 up to +90°C
Continuous [m/s] 1.5 1.5 3 Minimum -30°C
Best coefficient of friction Steel shaft Aluminium, Hard-chromed Steel/stainless Stainless Hardened stainless
with hard-anodised steel steel shaft steel shaft steel shafts Short-term [m/s] 3 3 10 Max. long-term +100°C
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Volume resistance > 10 Ωcm > 10 Ωcm < 10 Ωcm > 10 Ωcm > 10 Ωcm > 10 Ωcm Maximum, short-term +190 °C
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8
5
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Table 02: Maximum surface speed for iglidur L100
Moisture absorption 1.3% weight 0.7% weight 0.5% weight < 0.1wt.-% 0.2% weight < 0.1wt.-%
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Table 03: Temperature limits for iglidur L100
Maximum service life Hard-anodised Aluminium, Hardened Steel/stainless Stainless Hardened stainless
with aluminium hard-anodised stainless steel steel shaft steel shaft steel shafts
Potential counter All shaft materials Aluminium, Hardened Steel/stainless All shaft materials Stainless steel
partner hard-anodised stainless steel steel shaft
Permissible stat. 35MPa 23MPa 150MPa 18MPa 28MPa 15MPa
surface pressure
Part No. JUM-... J200UM-... XUM-... E7UM-... A180UM-... A160UM-... ASEAN 09/2023 ASEAN 09/2023
184 Online tools and more information u www.igus-asean.com/drylinR 3D CAD files, prices and delivery time online u www.igus-asean.com/drylinR 185