Report on NECO demo activities (M42)

Summary

The Z-Fact0r concept and methodologies will be integrated in the tap manufacturing process of NECO. The overall system of optical sensors, signal modifiers, DAQ systems, monitoring software etc, that will be integrated in the process will be reported. All the necessary modifications in the design of the components integrated in the different parts of the manufacturing process for the implementation of the task, as well as the comparison between the monitoring of the process and the final product will be reported. The optimization of the design and integration of the sensors system along with the tap dimensional characterization data sheets will be modified and customized, in order to be stored and processed from the R&D partners accordingly, will be described in this deliverable. All the necessary hardware chosen for the task will also be stated.

Neco use case requirements:

The following is a list about the most notable requirements NECO has identified and which the new platform developed at the Z-Fact0r project must fulfil:

  • One of the most important requirements is that, in order to pursue an on-line metrology ZDM strategy, the dimensional quality inspection should be performed in 3-4 minutes, which is the average for each machine cycle, due, of course, to the necessity of measuring each and every grinded tap.
  • Automatically measuring the relevant dimensional parameters for each tap comes a close second, because NECO wants to control the stability of the product. In this sense, metrological parameters such as flute length, point core diameter or flute angles should be measured by the new defect detection components.

The following parameters constitute the complete list of design parameters periodically measured after the grinding operation of taps:

  • Cutting angle: middle of entry
  • Cutting angle: first complete thread position
  • Cutting angle: flute at complete thread position
  • Point core diameter
  • Core diameter at flute
  • Land width at point
  • Land width at flute
  • Flute length

Further information about them will feature next at the 21, once the tap geometries which have been selected to constitute the Z-Fact0r use cases and defect types have been defined.

  • Checking the feasibility of, and, then, periodically recording some key parameters of the machine, such as vibrations in the wheel axis or grinding wheel speed, so as to have an effective control of the process, as well, and being able to predict machine behaviour and product quality.
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