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DELIVERABLE 2.8 - urban track

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Figure 2.11<br />

Figure 2.12<br />

Test of different welding methods<br />

D0208_STIB_M24.doc<br />

TIP5-CT-2006-031312 Page 19 of 44<br />

URBAN TRACK Issued: August 13, 2008<br />

Quality checked and approved by project co-ordinator André Van Leuven<br />

WL is currently testing different welding methods for different rail qualities.<br />

Verification of the quality on behalf of test examples of welded rails (figure 2.11).<br />

The results cannot be published yet.<br />

Depending on the wear, the weld metal bead will be applied in several layers on top of each other.<br />

Grinding<br />

Grinding after build-up welding.<br />

Depending on the radii different space measuring devices (in German: Raumbedarfslehren) will be<br />

used to grind the profile in the best way (Space for wheel flange in the groove depending on the<br />

radii).<br />

Afterwards the profile is compared using a template (figure 2.12).

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