Measuring and testing technology

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NMH supplies complete measuring stations incl. measuring sensors, program and measuring computer. For example, static length measurement, dynamic axial runout and gear measurement, backlash testing, leak testing, manual measuring tables.

 

Brake disc inspection and measuring

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Fully automatic system for the inspection and measurement of brake discs:

  • Brake disc input "one-piece-flow" by means of a roller conveyor
  • Brake disc isolation and preparation
  • Transport between the stations by means of an automatic lifting shuttle
  • Fully automatic setup by means of type specification via the control system
  • Static and dynamic measurement of the brake discs in the μ-area
  • Crack detection top and bottom
  • Brake disc labelling
  • Automatic measurement master delivery and measuring
  • Sorting of NIO parts
  • QA with BDE connection via the central host computer system
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Dimension control device

Dimension control device exhaust gas heat exchanger

With the dimension control device(fig. 1), components (in this case the
exhaust gas heat exchanger) and their connections are checked for dimensional accuracy. For this purpose, the component is placed on the support points and manually fixed using a clamping lever. By pneumatically locking the clamping lever the component is prevented from being removed during the inspection process or the in order (IO) /not in order (NIO) identification.

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Brake discmeasuring (for small batch)

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Manually assembled system for the measuring of brake discs

  • Type input by means of a barcode or WP number
  • Automatic type control using the diameter and pot height (collision
    protection for probe)
  • With 5 NC axles highly flexible without modification (batch size 1 for
    identical centre holes)
  • Dynamic measuring on high-precision air bearings
  • Easy parts setup without the need for any programming knowledge
  • Wear parts available for various centre holes
  • Simple operation using the handheld terminal
  • Special programs for test equipment capability procedures 1/2/6, master
    as well as calibration measuring
 
 

Electric press for cylinder heads

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Large traversing distances, high positioning and repeatability accuracy as well as general purpose tools and fixtures, in connection with an easily configurable controller design, guarantee a wide variety of uses.

 
 

Transmission assembly and measurement

Fully-automatic system for assembly and measurement of front and rear axle transmissions. The transmission is indexed with a workpiece carrier and is fed via a belt system.


Drive bevel gear and drive flange assembly system

Gear box housing, drive bevel gear and inner bearing rings for the drive bevel gear are taken from the workpiece carrier by a robot grabber and placed in the system.

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Front rear axle transmission measuring assembly powertrain

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Measurement of driving pinion and transmission housing

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Measuring station driving pinion

After the manual insertion of the bevel gear, the diameter of the head bearing outer ring, the pinion height and the runout are measured under the load of the drive bevel gear in order to determine the thickness of the shim (S1) for the given block dimension (distance between pinion head and pinion shaft axle) - for the further assembly process.

 
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Measuring station transmission housing

Measurement and control of the identification and quality values such as bore diameter, depth and angularity of the bore axes. The machine has two automatically exchangeable measuring heads for different housings. Independent calibration takes place using a gauger.

 
 

MEC Touch

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MEC Touch – the powerful industrial pc
Our systems are used in a wide variety of systems. The range covers everything from automatic test stands in the production line to the individual work station in the laboratory. Our customers count on reliable hardware and state-of-the-art technology in centralised and local measurement recording. They benefit from continuously improved software and the extremely easy operation of our measuring program, in addition to the variety of functions.

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Measuring program

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  • Freely editable computing formulae, characteristics,
    tolerances, stations, etc.
  • PID regulating algorithms (prop. hydraulics), two-point regulators, filter functions, frequency analysis (FFT), etc.
  • Measurement logging, statistical function, diagnostic tools, XY charts, etc.
  • QsStat©-, UniPas©, Microsoft Excel©, CSV, etc. interfaces
  • Reporting stages for parameter
    management, calibration, etc. can be selected with passwords or PLC
  • Measurement view freely parameterisable with FormFlex Tool, e.g. as an overview for workers
 
 

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.

 
 

Lanchester transmission

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The base plate with floating suspension of the Lanchester grabber enables precise joining of the Lanchester in the index bores of the crankshaft housing. After the joining, the Lanchester is fastened on the crankcase housing automatically (torque and angle of rotation are monitored). The measuring and drive unit are combined as a single unit on the crankshaft.

 
 

Backlash adjustment oil pump

Adjust and screw backlash between balance shaftmodule and oil pump:

  • Fully automated systemin the engine assembly
  • The balance shaftmodule is used to reduce vibrations in car engines
  • The balance shaftmodule drives the oil pump with a spur gear teeth
  • The NMH system positions the backlash (circumferential backlash) between the balance shaftmodule and oil pump and screws them together
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NMH GmbH l Am Flugplatz 2 l D-88367 Hohentengen | Phone +49 (0)7572 7619-0 l Telefax 7619-29 l nfnmhd