A large choice of extensions

The extension of a slide (also called travel) corresponds to the extension of the mobile part in comparison with the fixed part. The extension depends on the number of slide parts. It is measured in relation to the closed length. Standard slides offer extensions from 100 mm to 3 metres.

There are three categories of extension :

  • Partial extension ? 0,7 L
  • Total extension ? L
  • Over extension ? 1,5 L

Partial extension : 2/3 of the closed length, a portion of the moving beam has to remain within the fixed beam.

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Total extension : totality of the closed length, the additional intermediate beam increases the possible extension.

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Over extension : 150% of the closed length, thanks to the 2 intermediate beams.

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The extension length can be adjusted to the conditions of use. This adjustment is made in relation to the length of the ball cage. The extension can thus be increased or reduced up to 10% of the catalogue extension. The extension length influences the carrying capacity. The larger the extension is, the more reduced the safe load is.

The extension usually operates on one side of the slide. Nonetheless, for some applications, it may be necessary to reach each side of the box. In this case, you will use double extension slides

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Some products have no extension and are designed as guiding, such as linear rails and R53G.

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Manufacturing Telescopic Slides Linear rails
Specifications
Options
Use