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Steel rolling equipment and automatic control

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Rolling equipment and automatic control Publication date: 2010 Edition Description "rolling equipment and automatic control" describes the use of various types of rolling equipment, working principle and design calculation methods, automatic control system and control technology, including the most current concern to the industry rolling strip thickness control, and shape control type mill, cold-rolling control and automation equipment, high steel machines and automation, and SP sizing press, flying shear machine, winder and the like mouth straightening machine rolling mill the main equipment works and design calculation methods. "Rolling equipment and automatic control" into a cooperative research project results rolling of national science and technology research, the National Natural Science Foundation of China and China's major strip production base of nearly five years to complete, and as much as possible from the Gui Ying-rolling equipment and automation development trends. "Rolling equipment and automatic control" for rolling engineering and technical personnel, research and development staff to read, but also as metallurgical machinery and automation rhyme related professional undergraduate engineering colleges, graduate teaching.
Table of Contents Chapter 1 Overview of steel rolling production
1.1 Types and steel production 1
1.1.1 steel grades 1
1.1.2 Rolling production 2
1.2-rolled steel production process 2
1.2.1 plate rolling 2
1.2.2 Hot continuous rolling strip rolling 3
1.2.3 Cold-rolled and cold-rolled strip rolling 4
1.2.4 Steel pipe rolling 8
1.2.5 Rolling of section steel 9
1.3 Steel rolling machinery and equipment 9
1.3.1 Classification rolling machinery and equipment 9
Trends 1.3.2 rolling machinery and equipment 19
1.4 Rolling equipment and production technology development survey 21
1.4.1 hot wide strip rolling mill 21 and production technology
1.4.2 High speed steel cold rolling mill 24 and production technology
1.4.3 Medium and Heavy Plate Mill and Production Technology 29
1.4.4 Steel Tube Mill and Production Technology 31
1.4.5 Wire Rolling Mill and Production Technology 32
1.5 Automatic Control System of Steel Rolling Production Process 33
1.5.1 Main function modules and system software structure 33
1.5.2 Computer Control System Network Structure
The basic theory and mathematical model of Chapter 2 Rolling 37
2.1 Basic Concepts of Steel Rolling 37
2.1.1 Elastic and Plastic Deformation
2.1.2 Point principal stress state diagram 37
2.1.3 Constant volume conditions and the law of minimum resistance
2.2 Basic knowledge of rolling principles 39
2.2.1 rolling process simple and non-simple rolling process 39
2.2.2 deformation zone and the rolling process parameters 40
2.2.3 Condition plastic deformation of metal - plastic Equation 44
45 2.3 seconds flow continuity equation
2.4 mill stiffness model 46
2.4.1 spring equation generalized spring equation 46
2.4.2 and longitudinal stiffness of the rolling force of the bending force 48
2.4.3 rolling force and lateral stiffness bending force 49
2.5 Strip temperature model 50 during rolling
2.5.1 Temperature of strip rolling process Introduction 50
2.5.2 strip rolling process and the roll temperature measurement 51
2.5.3 the strip temperature in the rolling process simulation model 52
2.5.4 Temperature Simulation Model 54 rolls during rolling
2.6 rolling force model and online computing model 64
2.6.1 rolling force calculated based on the theory of plasticity model 65
2.6.2 rolling force calculation model based on finite element analysis 66
2.6.3 rolling force calculation based on artificial intelligence model 67
2.6.4 rolling force online computing model 69
Chapter 3 rolling mill 75 controls the thickness and shape
3.1 Composition and adjusting mechanism of rolling mill 75
Composed of 75 3.1.1 Rolling Mill
3.1.2 adjustment mechanism and the balancing device 77 rolls
3.1.3 rolling mill main drive means 82
3.2 roll and roller bearing 84
Design 3.2.1 rolls 84 rolls
3.2.2 roll wear and roll profile 98 Evaluation
3.2.3 roll 105 Manufacturing Technology
3.2.4 peeling roller 108 effects control
3.2.5 chocks 120
Strip thickness control roll 121 3.3
Cause 3.3.1 Analysis of the strip thickness difference generated 121
3.3.2 rolling thickness and the thickness factor analysis control program 124
3.3.3 Dynamic Characteristics mill hydraulic AGC system 126
3.3.4 AGC monitoring and rapid monitoring AGC129
3.3.5 SmithAGC and improved SmithAGC132
3.3.6 Conventional AGC second traffic flow and extended second AGC136
3.3.7 hot rolling mill system 138 AGC AGC
3.3.8 tandem cold mill AGC AGC system 140
3.3.9 twenty Sendzimir cold rolling mill AGC AGC system 143
3.4 and strip rolling mill shape control model 144
3.4.1 plate-like shape and the control performance index 145
3.4.2 shape control basic theory 156
3.4.3 Aircraft Design hot rolling mill 163
3.4.4 cold rolling mill 173 design models
3.4.5 Hot Strip Mill Flatness Control 181
3.4.6 Cold Rolling Mill Flatness Control 189
3.4.7 twenty Sendzimir cold rolling mill shape control 202
Shaped plate thickness 3.5 206 integrated control
Coupling relationship integrated control system thickness 206 of the plate-shaped 3.5.1
DECOUPLING shape 3.5.2 thickness setting control 210
3.5.3 Feedback Control plate-shaped thickness 215
Chapter 4 High steel machines and automation 218
4.1 Overview 218
4.2 the composition of the high performance steel machine 219
Electrical Control System Function 4.3 220
4.3.1 Control System 221
4.3.2 PLC system composed of 223
4.4 Electrical control system works 224
Electrical control system 224 configured 4.4.1
4.4.2 Electrical control system works 224
During operation of the machine 226 steel 4.4.3
Chapter 5 SP sizing press 228
5.1 Introduction 228 strip width control
5.1.1 Method 229 WIDTH
5.1.2 SP sizing press width modulation method 230
5.2 sizing press working principle and structure 231
5.2.1 fixed-width role of the press and works 231
5.2.2 sizing press configuration 232
5.2.3 Analysis of Kinematics sizing press 233
5.3 predetermined control width of the press 236
5.3.1 presses a given width of the synchronization control 236
Sizing press 5.3.2 rolling width modulation 237
Chapter 6 Clipper 239
6.1 Overview 239
6.1.1 The basic requirements clipper 239
6.1.2 Types of clipper device configuration 239
6.2 clipper tone long way 244
6.2.1 start working system clipper tone long way 244
6.2.2 continuous duty clipper length modulation mode 245
Synchronization mechanism 6.2.3 Clipper 246
6.3 flying shear force parameters 248 Calculation
Cela shears shear stress 6.3.1 Calculation 248
6.3.2 motor power flying shear 249
6.4 Structure flying shears 250
Chapter 7 controlled cooling equipment and automation 255
7.1 purpose and controlled cooling effect 255
Heat transfer characteristics 7.2 Controlled Cooling 256
7.2.1 Jet Impingement Heat Transfer Characteristics 256
7.2.2 boiling heat transfer 258
7.3 Quenching and Controlled Cooling through the coupling field 260
Field 260 7.3.1 Solution Temperature
7.3.2 cooling plate 262 and Deformation
Controlled cooling 262 7.4
7.5 263 controlled cooling general manner
7.6 Control cold rolled sheet strip 264
7.6.1 controlled cooling of hot rolled plate 264
7.6.2 Control 270 cold rolled strip
Controlled cooling of hot-rolled steel 7.7 272
7.7.1 controlled cooling hot-rolled H-beam 272
7.7.2 controlled cooling hot rolled angle 274
7.8 hot-line, controlled cooling bars 275
7.8.1 controlled cooling technology online, the application of 275 bar production
7.8.2 water cooling bar 276
Control wire 278 7.8.3 Cooling
Controlled cooling pipe 280 7.9
7.9.1 Development of foreign controlled cooling pipe 280
7.9.2 Development 280 domestic steel pipe and controlled cooling
7.9.3 steel Quenching device 281
Chapter 8 leveler 284
8.1 Overview 284
8.1.1 Function and type leveler 284
8.1.2 The basic concept of elastic-plastic bending of 285
8.2 roller leveler 287
8.2.1 rolling and straightening process of straightening process 287
Roller leveler 8.2.2 Calculation of Power Parameters 290
8.2.3 roller leveler basic parameters and structure 292
Tension straightening unit 295 8.3
Characteristics and Structure 8.3.1 tension leveling unit 295
Principle 8.3.2 straightening tension leveling unit 298
8.3.3 forms the driving tension leveling unit 300
Chapter 9 coiler 303
9.1 Tropical coil coiler 303
9.1.1 Process of claim Tropical coiler coil 303
9.1.2 tropical coiler coil apparatus composed of 306
9.2 Cold Coiler 311
9.2.1 cold Coiler process requires 311
9.2.2 Structure of the cold strip coiler 312
9.2.3 Design calculations cold Coiler 316
Reference 322

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