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Mill Diagnosis System (MDS)


The Mill Diagnosis System is designed to remotely diagnose steel mill Level 2 model performance, to identify potential weaknesses and to
suggest improvement measures. The diagnosis is mainly based on the followings:
  • Expert System we have built based on the rolling mill practices in the well-operated mills, primarily those in USA, in addition to a variety of mill process data, model coefficients, and so on.
  • Our full-range of rolling process models we established in the past 18 years based on rich testing data in Germany (15 years of rolling tests) and USA (5 year rolling tests plus various mill tests).
  • Our experience of the rolling mill consulting in the past 30 years together with the experience of the steel Level 2 development in the past 10 years.
  • Various tools we use for diagnosis on the steel mill Level 2 systems in our past consulting services.

Examples for the MDS to examine are whether

  • your mill is operated with too many passes;
  • your rolled steel properties has room for improvement;
  • the error of your roll separating force prediction can be reduced compared with our model results (about 5% error or lower); if yes, the system would provide further analysis for sources of error by analyze your error pattern;
  • etc.

Examples of the contents in the expert system:

  • preferred processing parameters (temperature, draft, hold, cooling rate, etc.) for selected steel grades;
  • existing data collected on the rolled steel properties in various processing procedures for various steels;
  • related data in the expert system we proposed for developing the new Level 2 system;
  • model coefficients used for diagnosis and for the solution proposal;
  • etc.

The system would perform various live operations to achieve the goals. The diagnoses could mainly be done remotely.

The system is also designed for the purpose of saving the travels of the consultants from country to country, or from city to city. In addition, integration with a great number of the high quality rolling process models would also make the consultants' work much easier, more efficient and with higher quality.
 

 
 
    Recent Update
Mill Level 2 model project series
- Mill consulting - Projects - Teams
Metal Pass recent papers with slides

- More ...
 
    Roll Pass

 Design: AutoForm
    RD-OV
    DI-SQ
    BI-BX-SQ-OV-RD
    BI-BX-OV-RD

 Mill Load
    RD-OV
    OV-RD
    RD-OV-RD
    SQ-DI
    DI-SQ
    SQ-DI-SQ
    SQ-OV
    BX-BX
    General

 Design: FreeForm
    RD-OV
    DI-SQ

 
    Flow Stress Models
Fe-alloy Hot F2 F2F3 A B C
Cold F2 F2F3a - - -
Non-Fe alloy Hot F2 - A B C
Cold F2 F2F3a - - -
 
    Metal Domains
 
 
    Series
Steel Mill Roll pass technical series
Mill automation & computer application
FEM for steel rolling process modeling

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