Currently: member of surfacing professional committee of China Mechanical Engineering Society, deputy secretary-general of Hebei Welding Society, and president of Handan Branch of Hebei Welding Society. Over the past 40 years, more than 60 scientific research projects and scientific and technological innovations have been completed, and more than 50 academic papers have been published in provincial journals. There is a national invention patent, which has created and saved more than10 million yuan for the country and Hangang, and compiled a teaching material of welding technology and skills of about 5 million words. A surfacing technology achievement won the second prize of the state. order
Chapter 1 Overview
1. 1 the concept of surfacing.
1.2 surfacing weld and its metallurgical properties 1
1.2. 1 surfacing weld
1.2.2 Metallurgical characteristics of surfacing II
1.3 Selection of filler materials for surfacing II
1.3. 1 iron-based surfacing metal 3
1.3.2 cobalt-based surfacing metal 9
1.3.3 Nickel-based surfacing metal
1.3.4 copper-based surfacing metal
1.3.5 WC-based surfacing metal 13
Chapter II Common Surface Treatment Methods and Technologies 15
2. 1 covered electrode arc surfacing 15
2.2 submerged arc welding 15
2.3 consumable electrode gas shielded arc surfacing 17
2.4 vibration surface treatment 18
2.5 TIG surfacing 19
2.6 plasma arc surfacing 19
2.7 electroslag surfacing 2 1
Chapter 3 Key points of surface treatment operation 23
3. 1 Clean parent material 23
3.2 Preheating of parent metal 23
3.3 Determine surfacing parameters 24
3.4 Treatment after Surface Treatment 26
3.5 Measures to Ensure Surface Quality 26
Chapter 4 Overview of covered electrode and Arc Surfacing in Example 28
4. 1 covered electrode 28 for surfacing welding
4.2 Characteristics of surface materials 42
4.3 covered electrode arc welding surfacing process 45
4.3. 1 surfacing process 45
4.3.2 Surface Quality Control
4.4 covered electrode arc welding surfacing example 46
4.4. 1 surfacing repair of ladle suspension shaft 46
4.4.2 J506(E50 16) covered electrode Surface Carbonized Fast Repair Welding Cast Iron 47
4.4.3 Repairing No.47 Steam Turbine with Surfacing Technology
4.4.4 Repair welding of automobile gears
4.4.5 surfacing repair of hot forging die 49
4.4.6 surfacing 50 high speed steel on the carbon steel tool blank.
4.4.7 surfacing repair of 52 Cr-Mo steel hob
4.4.8 surfacing repair of engine exhaust valve 52
4.4.9 Surface repair of corroded circulating pump blades 53
4.4. 10 surfacing repair of low alloy steel turbine blades 54
4. 4. 1 1 42 crmo steel hollow shaft wear surfacing repair 55
Surface treatment of roller shaft 56
4. 4. 13 42 crmo steel shaft 57 repair welding
4.4. 14 Repair and surfacing of defects of 57 main shaft of hydraulic turbine
4.4. 15 surfacing repair of rotating shaft cone of traction motor 58
4.4. 16 surfacing repair of 58 shaft shoulder of large motor
4.4. 17 Wear surfacing of rotating shaft in power plant 59
4.4. 18 surfacing welding of 60 screw of carbon fiber forming machine
4.4. 19 air hammer rod 1 broken dovetail groove surfacing
4.4.20 surfacing welding of dovetail groove wear of air hammer bit 6 1
Surface processing of anvil surface of hydraulic press 62
4.4.22 surfacing welding of 400r steel wheel 62
4.4.23 Repair welding of traveling wheel defects 63
4.4.24 surfacing welding of low alloy steel parts of excavator 63
4.4.25 Repair technology of tractor gear tooth surface wear 64
4.4.26 surfacing welding of forging blank of 35crmo steel high-speed gear 64
4.4.27 Surfacing of 65 Medium Plate Mill Reducer Gear
4.4.28 surfacing welding of inner gear ring of slewing bearing of crawler crane 65
4.4.29 surfacing welding of generator rotor core ring wear 66
4.4.30 surfacing welding of thrust disc of main shaft rotor of steam turbine 66
4.4.3 1 surfacing technology of sintering fan blade 68
4.4.32 Repair welding of casting defects of Cr28 cast steel 68
4.4.33 Corrosion-resistant surfacing welding of 20mnmo steel head 69
4.4.34 surfacing repair of shell 69 of large mud pump
4.4.35 Steel-making demoulding lifting tongs surfacing 70
4.4.36 Bucket tooth surfacing 7 1
4.4.37 surfacing welding of high manganese steel frog 72
4.4.38 Surface Treatment of Crusher Hammer 72
4.4.39 surfacing repair of hot forging die for 5crnimo steel connecting rod 73
4.4.40 5CrMnMo steel camshaft dressing die surface 74
4.4.4 1 5CrNiMo steel scraper hot forging die surfacing 75
4.4.42 Make hot forging die 75 by surfacing welding.
4.4.43 surfacing welding of hot forging die for 3cr2w8v steel socket wrench 76
4.4.44 surfacing welding of hot forging die for 3cr2w8v steel turbine blade 77
4.4.45 surfacing repair bulldozer hub journal wear 77
4.4.46 Surfacing for manufacturing circular broaches and spline broaches 77
4. 4. 47 160t welding process of punch body crack 78
4.4.48 tungsten carbide surfacing technology for wear-resistant layer of safety valve 78
4.4.49 Repair the toothed roller by surfacing welding with pulverized coal with particle size of 79.
4.4.50 Surfacing of 79 scraper of granulator
4.4.5 1 Double-toothed roller surfacing in pellet shaft furnace 80
4.4.52 surfacing welding of hammer head 80 of cement crusher
4.4.53 surfacing repair of 8 1 rotor blade of dust removal fan
4.4.54 surfacing repair of single tooth roll fracture 8 1
4.4.55 Repair welding technology of four-roller disc shear 82
4.4.56 Surfacing of all kinds of hobs for cemented carbide drilling 82
4.4.57 Surface Treatment of Ironmaking Distribution Tank 83
4.4.58 Surface Hardening of Steel Rolling Guide 83
4.4.59 Method and feasibility of surfacing alloy with blanking die 84
4.4.60 Repair of lifting column of 50t electric furnace cover 87
4.4.6 1 four-high mill 88 reversible lathe flat welding repair process
4.4.62 Welding process of sintered D 1600 centrifugal blower rotor 90
4.4.63 Hard alloy surfacing technology for 94 funnel of metallurgical blast furnace charge.
4. 4. 64 97 Heating Furnace Sliding Block Surfacing Technology
4.4.65 Welding repair of piston crack 98
4.4.67 Hydraulic shaft 10 1 surfacing technology
4.4.68 Repair of machine tool guide rail by hot welding of short section 102.
4.4.69 Surface repair of high chromium cast iron guide rail 103
4.4.70 Surfacing of High Chromium Cast Iron Mud Pump 103 Liner
4.4.7 1 surfacing repair of worn parts of boiler cast iron baffle door 103
4.4.72 Surfacing of the Chassis of Cast Iron Furnace 104
4.4.73 surfacing repair of large gear ring of gas producer 104
4.4.74 Repairing gears by slotting and overlapping teeth (I) 105
4.4.75 Repairing gears by slotting and overlapping teeth (2) 105
4.4.76 surfacing repair of park electric turret 106 cast iron gear
4. 4. 77 106 surfacing repair of cast iron gear of shearing machine
4.4.78 Repairing cast iron gear of shearing machine by surfacing welding 107
4.4.79 Welding Repair of Rack of Gantry Planer Worktable 107
4.4.80 surfacing welding of malleable cast iron automobile parts 107
4.4.8 1 press 108 surfacing repair of anchor bolt holes
4.4.82 Two cases of welding repair of reducer base 108
4.4.83 surfacing repair of boring of cast iron workpiece 109
4.4.84 Application of Water-cooled Welding in Welding Repair of Iron Castings of Agricultural Machinery 109
4.4.85 surfacing welding of shaft hole 1 10 air hammer
4.4.86 Repairing dovetail groove of air hammer cast iron anvil by surfacing welding 1 10
4.4.87 surfacing welding of the cutting edge of cold die with cast iron matrix (I)11
4.4.88 Surfacing of the Cutting Edge of Cold Die with Cast Iron Matrix (II) 1 12
4.4.89 surfacing welding of the cutting edge of the cold die with cast iron matrix (3) 1 12
4.4.90 Repairing valves by surfacing welding with electric arc welding in covered electrode 1 13.
4.4.9 1 surfacing repair of low alloy steel shaft by covered electrode arc welding.
4.4.92 Repair Table of covered electrode Arc Welding Surfacing for Alloy Tool Steel 1 16.
Chapter V Submerged Arc Surfacing Technology 1 18
5. 1 Classification and characteristics of submerged arc surfacing 1 18
5. 1. 1 classification of submerged arc surfacing 1 18
5. 1.2 characteristics of submerged arc welding 120
5. 1.3 Types and characteristics of surfacing alloys 12 1
5. Application characteristics of1.4 surfacing alloy 126
5. 1.5 Selection of surfacing alloy 128
5.2 submerged arc welding process parameters and quality influencing factors 130
5.2. 1 main parameters of submerged arc surfacing 130
5.2.2 Factors affecting submerged arc welding surfacing quality 134
5.3 Application example of submerged arc surfacing 136
5.3. 1 submerged arc welding of alloy structural steel 136
5.3.2 submerged arc welding of steel roller 146
5.3.3 Submerged arc welding of valve sealing surface 156
5.3.4 Flux-cored wire 158 submerged arc welding
5.3.5 Submerged arc surfacing of forging hammer base 16 1
5.3.6 Repair the journal of 5.3.6 165CrNiMoVTi roller with submerged arc welding 162.
5.3.7 Automatic surfacing technology for hot rolls 164
5.3.8 surfacing welding of steel ball alloy roller 168
5.3.9 surfacing repair technology for large hot-rolled backup roll 17 1
5.3. Surfacing Manufacturing of10 Composite Backup Roller 175
5.3. 1 1 BD roller optimized surfacing
5.3. 12 surfacing technology of cold-rolled backup roll 178
5.3. 13 flat roller 179 surfacing process
5.3. Surfacing technology of14 roller 179
5.3. 15 Four-High Rolling Mill 180 Straightening Roll Surfacing Process
5.3. 16 surfacing technology of hydraulic press column 18 1
5.3. 17 High-speed Rolling Mill 182 Surfacing Repair of Wear Roll Surface
5.3. 18 Optimization of roller surface material5438+084
5.3. Surfacing of19 high carbon (ZUB 160CrNiMo) semi-steel roll.
5.3.20 Submerged arc surfacing process of continuous casting roller 187
Manufacturing process of 5. 3. 2 1φ850mm composite cogging roll55438+088
5. 3. 22 1450 mm rolling mill roll submerged arc surfacing
5.3.23 days wheel surface repair 189
5.3.24 surfacing technology of crawler roller 190
Chapter VI Plasma Arc Surfacing Technology 192
6. 1 characteristics and technology of plasma arc surfacing 192
6. 1. 1 technological characteristics of plasma arc surfacing; 55438+092
6. 1.2 plasma arc surfacing methods and materials 193
6. 1.3 plasma arc surfacing equipment, accessories and parameters 196
6.2 Application of plasma arc surfacing 20 1
6.2. 1 Co-based alloy powder plasma arc surfacing 202
6.2.2 Nickel-based alloy powder plasma arc surfacing 203
6.2.3 Fe-based alloy powder plasma arc surfacing 204
6.2.4 Plasma arc surfacing process with welding wire arrangement 205
6.3 Application example of plasma arc surfacing 208
6.3. 1 Repair mold 208 by plasma arc surfacing
6.3.2 Plasma arc surfacing repair of compressor crankshaft 209
6.3.3 plasma arc surfacing to repair exhaust valve 2 1 1
6.3.4 Repair of agricultural machinery parts by powder plasma arc surfacing 2 13
6.3.5 plasma arc surfacing repair of oral cobalt-chromium alloy 2 14
Appendix 2 16
Attached Table 1 Application Example of Surfacing and Continuous Casting Roller 2 16
Attached Table 2 2 16 Application Example of Surfacing Roller for Plate Mill
Schedule 3 Application Example of Surfacing Roller in Hot Strip Rolling and Cold Pickling Line 2 16
Schedule 4 Application Example of Surfacing Technology in Metallurgical Spare Parts 2 17
Reference 2 18