Boring Job at Volkswagen
A division of the giant Thyssen Krupp Xervon Corporation had a difficult problem to solve for
Volkswagen in Germany. A Jet Edge 3,800 bar (55,000 psi) UHP system supplied by Aquablast to
Thyssen Krupp had the answer.
A new VW diesel engine has a very tough molybdenum lining in the cylinder bores.
Some of this high performance molybdenum coating failed VW's stringent quality standards
but the car manufacturer was then faced with the costly prospect of scrapping a large number
of engines because it was thought there was no way to remove the defective lining and re-apply
it properly.
TKX asked Aquablast if they could manufacture a rotary nozzle which could be inserted
automatically into each cylinder bore and remove the coating cost-effectively.
A jig was quickly fabricated to deploy the UHP rotary jet and VW engineers were astonished
to see how rapidly and perfectly the hard coating could be removed without any damage to the
parent metal in the cylinder block.
It was another example of the endless possibilities for using Ultra High Pressure water jets
and another of the hundreds of material separation tasks which Aquablast have provided solutions
for over the past 17 years.
TKX use their Jet Edge 55,000 psi UHP system for a wide range of very tough coating removal
and material separation tasks in the engineering, nuclear, casting and aviation industries.
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