THE MAIN SECTIONS OF WORK:

1.IDENTIFYING WAYS TO PROVIDE TECHNOLOGICAL CONDITIONS FOR EFFECTIVE FLATNESS REGULATION BY SELECTIVE WORK ROLLS COOLING IN ROLLING

2.ANALYSIS OF VARIOUS TECHNOLOGICAL FACTORS INFLUENCE ON THE OPTIMAL CONDITIONS FOR FLATNESS REGULATION BY SELECTIVE WORK ROLLS COOLING IN 5TH STAND
2.1.Influence of work rolls contact completeness in the 5th stand in the deformation zone
2.2.Influence of strip deformation degree in the 5th stand
2.3.Influence of metal forming work and contact friction forces on the strip heating in the deformation zone
2.4.Optimization of the working rolls profiles in 5th stand

3.PERFORMANCE INVESTIGATION OF THE COOLANT FLOW RATE CONTROL SYSTEM IN 2030 MILL

4.EXPERIMENTAL STUDY OF ROLLING CONDITIONS INFLUENCE ON A PROPER REGULATORY ENVIRONMENT FOR STRIPS FLATNESS CONTROL
4.1.Influence of rolling speed and coolant flow rate in the mill stands
4.2.Influence of rolling force and the degree of strip deformation in the 5th stand

5.DEVELOPMENT OF RECOMMENDATIONS AND ROLLING CONDITIONS FOR INTRODUCTION IN 2030 AND PROVIDING EFFECTIVE STRIP FLATNESS CONTROL

THE MAIN SECTIONS OF WORK:

1.IMPROVEMENT OF MATHEMATICAL MODELS AND FULFILLMENT OF CALCULATIONS OF THERMAL WORKING CONDITIONS OF THE ROLLING MILL 2030 AT DIFFERENT SPEEDS

2.EXPERIMENTAL STUDY OF THE EFFECT OF VELOCITY AND STRAIN-FORCE PARAMETERS ON THE TEMPERATURE CONDITIONS OF ROLLING AND THE EFFECTIVENESS OF STRIP FLATNESS CONTROL

3.DEVELOPMENT OF RECOMMENDATIONS TO ENSURE OPTIMAL THERMAL CONDITIONS OF THE MILL 2030 ON THE BASIS OF CALCULATIONS AND EXPERIMENTS

4.EVALUATION OF THE RESULTS OF ROLLING ON THE AUTOMATIC FLATNESS CONTROL SYSTEM PERFORMANCE IN THE 5TH STAND

5.THE MAIN CONCLUSIONS

THE MAIN SECTIONS OF WORK:

1.DEVELOPMENT OF AN IMPROVED METHOD FOR CALCULATING THE THERMAL PROFILE OF THE WORK ROLLS, WHICH TAKES INTO ACCOUNT THE CONTROLLABLE COOLANT SUPPLY ALONG THE BARRELS AND IN THE DEFORMATION ZONE

2.EXPERIMENTAL STUDIES CARRYING OUT AND ON THIS BASIS ADAPTATION OF METHOD OF CALCULATION. ANALYSIS OF THE APPLIED ROLLS PROFILES IMPACT ON THE EFFECTIVENESS OF STRIPS FLATNESS REGULATION BY HYDRAULIC ROLLS BENDING IN THE STANDS 1-4 WITHIN EACH WIDTH GROUPS ROLLING AND THE VARIOUS OPTIONS FOR TRANSITION TO A DIFFERENT WIDTH GROUPS WITHIN THE CAMPAIGN OF THE WORK ROLLS

3.DEVELOPMENT AND INDUSTRIAL TESTING OF COMPLEX COLD ROLLING TECHNOLOGY ON THE MILL, INCLUDING THE ORIGINALLY PROPOSED MODES OF COOLANT RESERVOIR ZONES, AND MODES OF ROLLS HYDRAULIC BENDING OPERATION, AS WELL AS IMPROVED ROLLS PROFILING IN THE STANDS 1-4

4.DEVELOPMENT AND IMPLEMENTATION OF THE ALGORITHM OF CONTROLLABLE COOLANT SUPPLY OVER THE RESERVOIR ZONES IN THE LIGHT OF ROLLS HYDRAULIC BENDING WORKING IN THE STANDS OF MILL 2030