Vazirligi b. M

ГЛАВА VI. ТЕХНОЛОГИЯ ПРОИЗВОДСТВА ГОРЯЧЕКАТАННЫХ ТОНКОЛИСТОВЫХ СТАЛЕЙ 228

1. 
   Общие сведения о производстве листов 228
   
2. 
   Общая схема технологического процесса 228
   
3. 
   Технология прокатки на широкополосных
   

полу непрерывных станах 229

4. 
   Технология прокатки на широкополосных непрерывных станах 232
   
   1. 
      Прокатка на клетях черновой группы 235
      
   2. 
      Технология прокатки на клетях окончательной группы 238
      
5. 
   Технико-экономические показатели 253
   

Контрольные вопросы 254
ГЛАВА VII. ТЕХНОЛОГИЯ ПРОИЗВОДСТВА ХОЛОДНОКАТАННЫХ СТАЛЬНЫХ ЛИСТОВ 256

1. 
   Общие сведения о производстве тонколистовых сталей 256
   
2. 
   Краткая характеристика технологического процесса 257
   
3. 
   Очистка от окалины 258
   
4. 
   Технология холодной прокатки на непрерывных станах 266
   
5. 
   Технология холодной прокатки на реверсивных и
   

многовалковых станах 284

6. 
   Технико-экономические показатели 289
   

Контрольные вопросы 290
ГЛОССАРИЙ 292
СПИСОК ЛИТЕРАТУРЫ 294

CONTENT

INTRODUCTION 3
CHAPTER I. GENERAL QUESTIONS QUALITY OF FERROUS METALS AND MANUFACTURING ROLLED 5

1. 
   General information on technology for the production of rolled metal 5
   
2. 
   History of production of rolled products 7
   
3. 
   Rolling production technologies 10
   
4. 
   Types and quality of ferrous metals 17
   
5. 
   Standardization for quality improvement 23
   
6. 
   Production and product quality management 26
   
7. 
   The device of rolling mills 32
   
   1. 
      Characteristics and applications of rolling mills 35
      
8. 
   Basic principles of rolling technological processes 39
   

Control questions 43
CHAPTER II. MAIN PROPERTIES OF PROCESSES FOR
PRODUCTION OF PREPARATIONS 45

1. 
   Billet production technology 45
   
2. 
   Modes and quality of metal heating 49
   

2.3 Elimination of defects 55

4. 
   The temperature field of the metal when rolling a large section 62
   
5. 
   Multilayer rolling technology 64
   
6. 
   Combining casting and rolling into a single process 67
   
7. 
   Speeding up the blooming process 74
   
8. 
   Methods for calculating the compression and calibration of blooming rolls 80
   
   1. 
      Compression mode calculation 88
      
   2. 
      Calculation of the preliminary number of holidays for rolling an ingot 89
      
   3. 
      Calculation of technological parameters of rolling on a smooth barrel 92
      
   4. 
      Calculation of technological indicators of rolling on box gauges 95
      
9. 
   Rolling technology at blank mills 100
   
10. 
    Calibration of continuous billet mills 103
    
11. 
    Workpiece separation in multi-layer rolling 108
    
12. 
    Technical and economic indicators of the production of semi-finished products 114 Control questions 115
    

CHAPTER III. TECHNOLOGY OF PRODUCTION OF VARIETY STEELS . 117

1. 
   General information on metal cutting 117
   
2. 
   Rail and beam mills 117
   
3. 
   Large Varietal Mills 123
   
4. 
   Universal cross-section mill 128
   
5. 
   Calibration scheme for the rolling of varietal steel 132
   
6. 
   Rational modes of continuous rolling of long sections 135
   
7. 
   Factors affecting the accuracy of long sections 137
   
8. 
   Calibration scheme for rolling complex profiles 146
   
   1. 
      Calibration of rolls for rolling two-tee beams 149
      
9. 
   The advantages of calibrating rolls for rolling various profiles
   

of continuous mid-grade mills 154

10. 
    Key roll adjustment indicators 160
    
11. 
    "Continuous" rolling 165
    
12. 
    Calibration scheme for wire mills and rolling modes 169
    
13. 
    Control rolling of mild steel 174
    

Control questions 177
CHAPTER IV. SOME ELEMENTS OF THE SHEET STEEL ROLLING THEORY 179

1. 
   Strength of the working stand and strips 179
   
2. 
   The basic equation for strip thickness 184
   
3. 
   The concept of active roll profile formation 187
   

Control questions 191
CHAPTER V. THICKNESS STEEL PRODUCTION TECHNOLOGY 192

1. 
   Methods for the production of plate steels 192
   
2. 
   Brief description of the process 193
   
3. 
   The main factors affecting the amount of compression 197
   
4. 
   Double roller mill rolling technology 204
   
5. 
   Vertical stand rolling technology 206
   
6. 
   Draft rolling technology 213
   
7. 
   Roll profiling and operation 216
   
8. 
   Plate steel finishing 220
   
9. 
   Major defects in plate steels 222
   
10. 
    The development of plate rolling technology 224
    
11. 
    Technical and economic indicators 225
    

Control questions 226
CHAPTER VI. TECHNOLOGY OF PRODUCTION OF HOT-ROLLED THIN- SHEET STEELS 228

1. 
   General information about the production of sheets 228
   
2. 
   General scheme of the technological process 228
   
3. 
   Rolling technology on broadband semi continuous mills 229
   
4. 
   Rolling technology for wideband continuous mills 232
   
   1. 
      Draft group rolling 235
      
   2. 
      Final rolling mill technology 238
      
5. 
   Technical and economic indicators 253
   

Control questions 254
CHAPTER VII. TECHNOLOGY OF PRODUCTION OF COLD-STEELED STEEL SHEETS 256

1. 
   General information on the production of sheet steel 256
   
2. 
   Brief description of the process 257
   
3. 
   Descaling 258
   
4. 
   Technology of cold rolling in continuous mills 266
   
5. 
   Technology of cold rolling on reversing and multi-roll mills 284
   
6. 
   Technical and economic indicators 289
   

Control questions 290
GLOSSARIY 292
BIBLIOGRAPHY 294