Leak testing


Leak testing gear and motor components

Fully automatic system for leak testing (example: front axle drives)

  • Front axle drives (FAD) are automatically transported to the system on the workpiece carrier (WPC)
  • The workpiece carrier automatically indexes and processes the FAD
  • Sealing of the ventilation hole
  • Sealing of the radial shaft sealing rings (RSSR) of the output shaft
  • Pre-centring of the sealing unit on the housing outer contour Automatic waste removal for the sealing shafts on the rotary shaft sealing rings
  • Allowable leak rate 4 cm³/min
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Measuring, assembly and inspection stations for oil pumps

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For the production of a new oil pump type for a high end German car manufacturer, our customer SHW required a system that would allow it to reliably assemble and measure oil pumps and to subject them to a performance test. NMH proved to be a competent project partner for the implementation of their concept.


NMH GmbH l Am Flugplatz 2 l D-88367 Hohentengen | Phone +49 (0)7572 7619-0 l Telefax 7619-29 l nfnmhd