Page 139 - IGUS Linear

drylin N low-profile linear guides | Design rules drylin N low-profile linear guides | Technical data
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Floating bearings version

Floating NW-17 NW-27 NW-40 NW-80 System selection
bearing System N17 N27 N40 N80
NW-... NW-... LLZ NW-... LLY NW-... LLYZ LLY 0.6 0.45 0.4 0.6 Rail width 17mm 27mm 40mm 80mm
LLZ Floating bearing in z-direction LLZ 0.5 0.8 0.8 0.8 Installation height 6mm 9.5mm 9.5mm 12mm
LLY Floating bearing in y-direction Y: 0.6 Y: 0.3 Y: 0.4 Y: 0.6 General properties
LLYZ Floating bearing in yz-direction LLYZ Z: 0.5 Z: 0.4 Z: 0.8 Z: 0.8 Rail weight 150g/m 290g/m 450g/m 1,140g/m
Carriage weight 1.7g 9-12.5g 30g 100g
Technical details on floating bearings Max. rail length 2,000mm 3,000mm 3,000mm 4,000mm
u Page 50 Load capacity, static
The 2:1 Rule u Page 50 Fy 50N 500N 700N 1,000N
Fz 50N 500N 700N 1,000N
Technical options for drylin low-profile linear guides Mx 0.31 Nm 5Nm 10Nm 32.4Nm
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My, Mz 0.18Nm 2.5 Nm 6Nm 15Nm
Clip-on sliding elements Pre-load function Carriage options
Depending on the installation size, up to three lubrication- The use of sliding elements with an integrated spring Floating bearing in y-direction
free sliding elements made from the high-performance pre-load function prevents the carriages in the rail profile Floating bearing in z-direction
polymer iglidur J are clipped on around the zinc die- from rattling. Adjustment occurs silently using the pre- Floating bearing in yz-direction
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casting carriage body. These can be changed any load principle, making the guide suitable for use in noise- Pre-load (1N) –
time simply and fast, the zinc die-casting carriage sensitive environments such as the automotive, medical Overmoulded version –
can be reused. A set of appropriate sliding elements or furniture sectors. Pre-load increases the displacement Carriage with plain hole – –
is available for every clip-on carriage (Part No. NEK... force by max. 10N. Carriage with threaded pin –
u Page 152). Carriage with threaded hole – – –
Anodised surfaces Table 01: System selection available – not available
Overmoulded sliding elements All drylin N guide rails are anodised and are distinguished by
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With this carriage type, the zinc die-casting body is made as good wear properties and corrosion resistance. All rail sizes
an integral part of the high-performance polymer iglidur J/ are available as clear-anodised version (silver) as well as
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J200 during the injection moulding process. For the user anti-reflect version with black-anodised surface. These 1.000
this production process offers the advantage, that the are technical surfaces and not decorative. Slight crack
sliding surface is connected captive and insolubly to the formations and colour variations cannot be prevented
carriage. This makes it quicker to install the carriages in the during production, but they do not affect the resistance,
profile. Robust storage is possible, including in the form of the corrosion behaviour or the sliding properties. Cutting
bulk goods, as the sliding elements cannot come loose. surfaces and machined surfaces are uncoated.
It is not possible to retrofit sliding elements; the carriages
must be entirely replaced at the end of their service life. The 100
continuous operating temperature for overmoulded sliding
elements is +50°C

Tightening torque for drylin metallic screws
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Metric thread (Da) tightening torque Recommended tightening torque
[Nm] [Nm] Load F [N]
M3 0.5 - 1.1 0.7 10
M4 1.0 - 2.8 1.5 0,1 1,0 10
M5 2.0 - 5.5 3.0 Speed [m/s]
M6 4.0 - 10.0 6.0
M8 8.0 - 23.0 15.0 Size 17 Size 27 Size 40 Size 80
M10 22.0 - 46.0 30.0 Diagram 01: F v diagram, maximum permissible dynamic load

Please be aware of the minimal screw-in depth for aluminium and zinc die-casting parts: 1.5xDa ASEAN 09/2023 ASEAN 09/2023

136 Online tools and more information u www.igus-asean.com/drylinN 3D CAD files, prices and delivery time online u www.igus-asean.com/drylinN 137