HABERLER
02.04.2018

60 Percent Longer Product Lifetime

Reınforced V Stay Arm from NSK Group ROTA on Vimeo.

ROTA offers 60% longer product life in its reinforced products which field and laboratory tests are completed.

Problem
9423500805 - 9423500505 – 9423501205 OEM numbered product is subject to rubber deformation in a short span of time. This part is used in the Actros, Axor, Atego, Antos, Arocs models of MERCEDES.

What are done to solve it

The narrowest bracket to which product is installed is identified and improvements are made.
Repair kit used for the product is increased from Ø 85 to Ø 95 and snap ring lock applied.
Rubber surface area used on the product is increased by 27%.
Rubber volume used on the product is increased by 40%.
No contact with bracket during maximum cardanic movement is determined in the laboratory and field tests conducted.
The newly developed product’s ROTA number is 20511807.

Testing Stage
A force radially of 76 kN at 1 Hz frequency is applied.
+/- 8 degree torsion angle is given.
+/- 6 degree cardanic angle is given.

Conclusion

As a result of field and laboratory tests, reinforced product offer 60% longer product life..
 



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