5
For a higher moment loading, provision should be made for a slide construction
with two or more guide carriages on an arrangement of two rails, in order to
prevent any torsional load on the individual guide rails and any tilting of the rail
on the profile groove.
In order to maintain the permissible positional tolerances with this type
of arrangement, the parallel guide rails must be mounted on a common
supporting profile.
Connecting of two guide rails end facing (e. g. in order to elongate the
guideway) should be avoided in principle.
Fig.1
The base of the guide rail is designed to fit the Line 8 Profile groove. The guide
rail is automatically centred on the profile groove with the aid of Groove Profile
8 Al M4-60. Alternatively, if the rail is to be mounted on flat surfaces (i.e. steel
frames), the central strip of the base of the rail is ground to form a flat mounting
surface. In this case, due account must be taken of the permissible dimensional
tolerances for vertical alignment and parallelism.
The upper mating surface of the guide carriages must be constructed in such a
way that it is possible to install a Line 8 Profile lengthways in the direction of tra-
vel of the carriage, with the best possible support being provided by the raised
central rib (Fig. 1). The slide may naturally be constructed in a different form,
however. In such cases, the only support surface is provided by the central rib
at the rear of the carriage.
ΔH [µm] = 0.2 x b [mm]
Fig.2
Preparations for Assembly
Important Note: Care and cleanliness during assembly of a Linear Guide Sys-
tem are crucial for the correct functioning and long service life of this machine
element. For this reason, all components, the work bench and the connecting
structure must be kept clean. Compliance with the following instructions will
ensure the greatest possible operating reliability by eliminating any errors
during assembly.
The guide carriage is supplied in protective packaging. It is slid onto a plastic
protective rail which retains the ball bearings in their raceways and provides
protection against impact.
The upper surface of the guide rail is covered with film.
Do not remove this protective packaging until you are ready to place the
carriage onto the guide rail. This will prevent any damage to the guides during
assembly.
The end caps, which are screwed onto the ends of the guide carriage,
should not be removed under any circumstances.
If they were to be removed, the re-circulating segments of the linear guides
would be opened and dislodged. This would render the guide carriage unusab-
le. In addition, tampering of this nature would invalidate any guarantee.
In order to ensure satisfactory operation of the Linear Guide System,
all the securing screws should be tightened under controlled condi-
tions with the torsional moments specified in these instructions and in
accordance with the screw tightening schedule. In addition, the use of a
chemical thread locking compound should be considered, particularly if
there is any likelihood of the screws losing tension.
Check the cut edges of the guide rail and remove any burrs with an oilstone.
Gently push the guide carriage onto the guide rail. If undue force is applied, the
seal on the head may be damaged.
