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Q-DAS Software zur Qualitätssicherung in der industriellen Produktion

Q-DAS destra | Statistical Package

Process improvement is the deliberate optimisation of available process conditions and destra provides you with a rich set of statistical methods in order to do so. Statistical procedures test the statistical significance of different relations. destra also supports the application of simple statistical methods for process improvement, so-called Shainin methods.

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Process improvement is the deliberate optimisation of available process conditions and destra provides you with a rich set of statistical methods in order to do so. Statistical procedures test the statistical significance of different relations. destra also supports the application of simple statistical methods for process improvement, so-called Shainin methods.

Users benefit from an intuitive user interface and appealing graphics showing exactly the results they need.

Reliability study

Reliability analyses check whether a product meets its requirements under specific conditions over time. destra helps users to plan lifetime analyses, evaluate data collected in an experiment and shows the results in graphics.

  • End-of-life test
  • Censoring (type I, type II and hybrid censoring schemes)
  • Sudden death test
  • Eckel procedure for field failure
  • Success run tests

Design of experiments

Design of experiments is a tool for analysing cause-and-effect relationships between factors and responses and for optimising products and processes. A well-structured acquisition of data plays a major role.

  • Intuitive user interface to create individual experimental designs
  • Appealing and significant graphics of results
  • Optimisation of several responses

Variance / regression analysis

The analysis of variance and regression supports you in adapting mathematical models to cause-and-effect relationships between factors and responses.

  • Excellent model designs
  • Various designs for analysis of variance
  • Formula editor
  • Mixed effects
  • Hierarchically nested models
  • Unbalanced data
  • Visual model diagnostics
  • Cook’s distance, leverage values and residuals

Machine and process capability

A machine capability analysis provides evidence that the machines are able to produce specified product characteristics with required accuracy. After starting the process, operators measure further parts; these measurement results form the basis for preliminary process capability. In long-term process analysis, process results are illustrated based on distribution time models which in turn help to calculate short-term and long-term capabilities and to select suitable quality control charts.

  • Best suitable distribution time model
  • Quality control charts
  • Evaluation of results

Establishing process capability

Process analysis is based on statistical evaluations of characteristic values. The measurement process records these values. In order to avoid misinterpretations, the recorded measured values have to reflect the real situation with reasonable certainty. Various procedures and methods help to assess whether the measurement process is suitable for the intended purpose.

Eligibility Statement

Standards for Quality Management concretely require a confirmation for the eligibility of the applied soft-ware for the intended application, before initial use as well as for a continuous use.

Overview of Eligibility Statement (PDF 165 kB)

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  • Extensions

    The following functionalities are a perfect extension to the Q-DAS software product destra:

    Individual design of reports

    Q-DAS Form Designer makes it easy to create and modify available report templates. You may apply these templates in any Q-DAS software product. The interaction with M-QIS helps you adapt reports to the specific requirements of your intended recipients. Select from a tool box of texts, statistics, parts data, characteristics data and additional data as well as graphics (qs-STAT graphics and image files in the BMP, JPG, EMF and WMF format) and add links and logical operation formulas. Use drag-and-drop functionalities to position these elements in a report.

    Overview (PDF 158 kB)

    Connect portable measuring instruments and test boxes

    You may use destra to transfer measurement data directly via serial interface (RS-232). Here is an overview of available interface packages.

    Overview (PDF 116 kB)

    [Translate to English:] Automatisierte Datenüberführung von Dateien von Fremdsystemen in die Q-DAS Datenbank

    [Translate to English:]

    Die Q-DAS Datenbank ist Grundlage für die statistische Auswertungen. Erst die Datenbank ermöglicht einen leichten Vergleich verschiedener Informationen (Maschinen, Aufträge usw.) und die automatisierte Auswertung mit M-QIS Engine.

    Datentransfer

    Q-DM wird üblicherweise auf einem Server im Netzwerk installiert, häufig auch als Dienst. Verzeichnisse, in denen Q-DAS Dateien anfallen werden zyklisch überwacht. Wird eine Datei in ein überwachtes Verzeichnis geschrieben, werden die Inhalte in eine Q-DAS Datenbank gespeichert. Dies geschieht aufgrund von definierten Regeln, die in Q-DM eingestellt werden können. Somit ist eine eindeutige Zuordnung von Messinformationen in die Datenbank gewährleistet.

    Es können vielfältige zusätzliche Einstellungen gemacht werden. Beispielsweise kann auf Alarme reagiert werden beim Hochladen in die Datenbank und entsprechende Einträge können zur späteren Beurteilung gesetzt werden. Bei Problemen während der Übertragung durch fehlendes Netzwerk oder fehlerhafte Dateien werden Protokolle erstellt, die auch per email an Systemadministratoren versendet werden können. Die Gewährleistung des Datenflusses ist oberste Aufgabe von Q-DM – Datenmanagement.

    Konverter

    Fallen die Daten nicht im Q-DAS Datenformat an, so kann ein Konverter in Q-DM eingesetzt werden. Dieser konvertiert zunächst das Fremdformat in Q-DAS Dateien und lädt diese dann in die Datenbank.

    Übersicht (PDF 114 kB)

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Q-DAS destra - Software zur Qualitätssicherung in der industriellen Produktion

HIGHLIGHTS

Process optimisation

Design of experiments

Regression analysis and analysis of variance

CONTACT US

sales.qdas.mi@hexagon.com

T: +49 6201 3941 160

F: +49 6201 3941 224