precision steel shafts. 4 recirculating ball bearing units are used per shaft slide. The ball deflections are glass fibre
reinforced.
Fig. 1 - Linear guide LFS 12-2 with guide carriage WS 5
Ball screws convert a rotary motion into a linear motion. They consist of the ball screw spindle (6), the ball screw
nut (7) with ball return system (1) and the balls (4) as rolling elements. The balls make the connection between
spindle and nut by rolling in the raceways of the ball screw spindle and the ball screw nut. Ball screw nuts of isel
Germany AG have several ball circuits with internal ball returns. Backlash-free adjustment of the run on the
spindles is made possible by set screws (3).
2.3 Versions of the linear units of theLES series
2.3.1 Linear unit LES 4
Normally the linear unit LES 4 are delivered without drive module. They are either prepared for mounting flange-
mounted direct drive modules or lateral belt drive modules. However, the respective drive modules can also be
mounted on request.
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