K-Rail

The compensation rails are used for the load carrier of radial and axial forces. Tolerance compensation in two planes in combination with the U-rail. A combination of compensating rail and floating rail (K+U system) manages both parallel deviations and angular errors. The unique raceway contour of the K-rail allows the slider a certain rotation around its longitudinal axis, with the same linear precision as with a T-rail. The K-rail must be mounted in such way that the radial load of the slider is always supported by at least 2 rollers on the slider, which lie on the V-shaped raceway of the rail.

The rails are available in 2 different sizes: 43, 63 mm.

Longer single rails up to max. 4080 mm on request. For longer rail systems, see section ”Joined rails” in Technical Information.

Dimensions in mm.

D1 Fixing holes for Torx® screws with low head (custom design) included in scope of supply.
D2 Fixing holes for countersunk head screws according to DIN 7991.
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Product Information

Max. operating speed (m/s): 9 (depending on application)
Max. acceleration (m/s²): 20 (depending on application)
Max. radial load capacity (N): 15,000 (per slider)
Temperature range (°C): -20 to +120
Material: Cf53. Zinc-plated according to ISO 2081. Rail raceways are induction hardened and ground.
Designation Select all Lead Time * Size Weight Rail (kg/m)
1 43 2.6
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1 43 2.6
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1 63 6.0
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1 63 6.0
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*Green: Normally in stock, contact us for current status. Blue: Contact us for delivery time.

Designation Select all M A B B2 R1 R2 L D D1 D2 t G P Min. length
21.5 43 21 14.5 2.5 - 4080 18 M8 M8 3.1 4.5 80 400
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21.5 43 21 14.5 2.5 - 4080 18 M8 M8 3.1 4.5 80 400
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31.5 63 28 19.25 - 2x45° 4080 15 M8 M10 5.2 8 80 560
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31.5 63 28 19.25 - 2x45° 4080 15 M8 M10 5.2 8 80 560
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