Admin
مدير المنتدى
عدد المساهمات : 18717
التقييم : 34685
تاريخ التسجيل : 01/07/2009
الدولة : مصر
العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
 |  موضوع: كتاب Arc welding control الإثنين 20 مايو 2013, 10:58 pm | |
| 
أخوانى فى الله
أحضرت لكم كتاب
Arc welding control
ويتناول الموضوعات الأتية :
Part I Dynamic behaviour of arc welding
1 Theoretical analysis 3
1.1 Introduction 3
1.2 Welding with constant wire-feed rate 4
1.3 Welding with regulated wire-feed rate 12
1.4 Welding with both regulated wire-feed rate and
self-regulation 15
2 Dynamic characteristics of power sources 19
2.1 Status of research 19
2.2 Description of dynamic characteristics 25
2.3 Transfer functions of power sources 26
2.4 Measurement of the transfer function 41
2.5 Influence of the transfer function on technological
properties 48
2.6 Summary 50
3 Experimental study 52
3.1 Introduction 52
3.2 CO2 welding 53
3.3 DC MIG welding 68
3.4 Pulsed MIG welding 75
3.5 Summary
Part II Welding arc control
4 Control method QH-ARC 101 85
4.1 Status of research on welding arc control 85
4.2 Principle of control method QH-ARC 101 88
4.3 Realisation of double-step characteristic 92
4.4 Circuit for alternating between two double-step output
characteristics 100
4.5 Static accuracy and dynamic characteristics 103
4.6 Circuit diagram of the power source 115
4.7 Technological behaviour 117
5 Control method QH-ARC 102 and 103 126
5.1 Introduction 126
5.2 Control method QH-ARC 102 129
5.3 Control method QH-ARC 103 134
5.4 Mathematical analysis of arc operating-point movement 148
5.5 Closed-loop control of weld penetration 168
6 Arc control of CO2 welding and AC MIG welding 179
6.1 CO2 welding 179
6.2 AC MIG welding 194
Part III Arc sensors and seam tracking
7 Sensors for weld-seam tracking 235
7.1 Status of research and development 235
7.2 Status of the application of arc sensors in industry 240
7.3 Principles of seam tracking with arc sensors 243
7.4 Scanning arc-welding torches 248
8 Mathematical models of arc sensors 261
8.1 Introduction 261
8.2 Static model 261
8.3 Dynamic model 271
9 Processing of arc-sensor signals 296
9.1 Introduction 296
9.2 Signal processing of an ideal welding arc 296
9.3 Analysis of signal characteristics
9.4 Filtering of signals 327
9.5 Signal processing in a practical welding process 343
10 An automatic seam-tracking machine with
an arc sensor 360
10.1 Introduction 360
10.2 Conventional automatic seam-tracking machine 360
10.3 Crawling type of tractor 374
Part IV Real time measurement of welding
temperature-field
11 Principles of the colorimetric imaging method 411
11.1 Introduction 411
11.2 Fundamentals of the colorimetric imaging method 417
12 Study of the colorimetric imaging method 429
12.1 Introduction 429
12.2 Facilities for acquisition of the infrared image 429
12.3 Sensor for experimental use 432
12.4 The colorimetric imaging system 435
12.5 Calibration of the system using a mathematical method 439
12.6 Experimental results and verification 440
12.7 Calibration procedure 444
12.8 Effects of measurement conditions 445
13 Design of a colorimetric imaging apparatus 450
13.1 Introduction 450
13.2 Formation of the thermal-radiation image 450
13.3 Theoretical analysis of the colorimetric imaging method 453
13.4 Division of the temperature field 457
13.5 Wavelength of the filter 462
13.6 Design of the sensor 470
13.7 Effects of measuring conditions 477
13.8 Calibration of the system 484
14 Practical measurement and application 488
14.1 Experimental apparatus 488
14.2 Measurement of the welding temperature field
14.3 Mathematical model of the temperature field in welding
based on measurement 492
14.4 Theoretical results and measured data for different
welding parameters 503
14.5 Extraction of the thermal-cycle parameters 505
14.6 Three-dimensional welding temperature field 507
14.7 Closed-loop control of weld penetration 511
14.8 Summary 525
Part V Automatic path programming of robot
15 Vision systems and automatic path programming 531
15.1 Recognition of the groove path 531
15.2 A robot with automatic path programming 548
References 582
Index
أتمنى أن تستفيدوا منه وأن ينال إعجابكم
رابط تنزيل كتاب Arc welding control
|
|
