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300 kinds of practical heat treatment skills

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300 kinds of practical heat treatment skills and consumption reduction technologies. Publication time: 2016 edition. Introduction This book comprehensively introduces 300 kinds of practical heat treatment energy conservation and consumption reduction technologies, including energy conservation and consumption reduction mechanisms, application examples, and energy conservation and consumption reduction effects. At the same time, it also provides solutions to some typical parts heat treatment problems. The main content of this book includes energy-saving and heat-reduction heat treatment processes and methods, energy-saving and heat-reduction heat treatment equipment technology, energy-saving and heat-reduction heat treatment materials and applications, and heat-treatment energy-saving and heat-reduction management measures and methods.
The first chapter of the table of contents can reduce the heat treatment process and method1
1.1 Method 1 to shorten the heating time
1.1.1 Zero holding quenching and normalizing 2
Technique 1 45 Steel Bevel Gear Zero Insulation Quenching 2
Technology 2 Rare Earth Magnesium Ductile Iron Crankshaft Zero Insulation Normalizing and Non-Tempering Process 3
1.1.2 Method for reducing the heating time calculation factor 3
Technique 3 Energy-saving calculation method for heating time 3
Technology 4 30CrMnSiA steel cylindrical parts heating quenching energy saving process 6
Technology 5 45 steel shaft quenching and energy saving process 7
Technique 6 "369" energy-saving rule of heat treatment and heat preservation time 8
Technique 7 Use Gold Numbers to Shorten the Hardening Heating Time of Steel 9
Technology 8 ZG310-570 steel internal combustion engine parts energy-saving normalizing process 11
1.1.3 Fast heating method to increase furnace temperature 12
Technology 9 Cr12MoV steel straightening roll high temperature salt bath rapid heating and quenching process 13
Technology 10 16Mn steel hook high temperature short time heating quenching toughening process 14
1.1.4 High temperature carburizing, carbonitriding process 15
Technology 11 High temperature rapid carburizing process of 20CrNi2Mo steel gear shaft 16
Technology 12 High-temperature controlled atmosphere circulating carburizing process 16
Technology 13 20CrMnTi steel gear shaft high temperature controlled atmosphere carburizing process 18
Technology 14 SCM415 steel high temperature carburizing process 18
Technology 15 Dongfeng Motor Corporation 20CrMnTiH steel planetary shaft high temperature carburizing process 19
Technology 16 High-temperature carburizing process of SCM420 steel middle bridge gear of Dongfeng Motor Corporation 20
1.1.5 Rapid Nitriding at High Temperature 21
Technology 17 42CrMo steel large internal ring gear high temperature nitriding process 21
Technology 18 25Cr2MoVA steel steam turbine parts high temperature rapid nitriding process 22
1.1.6 Low-pressure vacuum carburizing process 22
Technology 19 Low-pressure vacuum high-temperature carburizing of gears 23
1.1.7 Plasma Chemical Heat Treatment 24
Technology 20 20Cr2Ni4A steel large bearing roller plasma carburizing process 24
Technology 21 20CrMnTi steel gear high temperature ion carburizing process 25
Technology 22 20CrMnTi steel truck rear axle driven gear ion carbonitriding process 26
Technology 23 SCM415 steel high-power bulldozer track pin sleeve ion carburizing process 26
Technology 24 38CrMoAlA steel thin-walled cylinder liner ion nitriding process 27
Technology 25 20Cr2Ni4 steel gear ion carburizing process 27
1.1.8 Chemical catalytic nitriding and nitrocarburizing processes 28
Technology 26 NH4Cl nitrocarburizing process 28
1.1.9 Oxygen Catalytic Nitriding Process 29
Technology 27 38CrMoAl, 40Cr and 42CrMo steel parts pre-oxidation rapid nitriding process 29
Technology 28 40Cr steel parts pre-oxidation multi-stage variable temperature cycle rapid gas nitriding process 30
1.1.10 Rare Earth Infiltration Method 31
Technique 29 Rear axle gears of trucks adopt rapid rare-earth carburizing process on continuous carburizing furnace 32
Technology 30 20CrNiMo Steel Cone Bit for Claw Bit for Rare Earth Rapid Carburizing Process 33
Technology 31 20CrMnTi steel gear rare earth rapid carbonitriding process 34
Technology 32 38CrMoAl, 40Cr steel wind power gearbox gearbox rare earth rapid nitriding and infiltration process 35
Technology 33 Rare-earth rapid nitrocarburizing process of natural gas compressor, air compressor piston rod and crankshaft 35
1.1.11 BH infiltration method 36
Technology 34 Fast BH Infiltration Process of TS Carbide Gear Continuous Carburizing Furnace 37
Technology 35 Application of G20CrNiMo steel bearing parts BH rapid carburizing process on continuous carburizing furnace 38
Technology 36 20CrMo steel automobile axle gear BH infiltration process 39
1.1.12 New technologies for energy-saving and mechanical penetration 39
Technology 37 Types of mechanical energy assisting technology and their application effects 40
Technology 38 Aluminizing technology for mechanical surface of steel pipes on power plants and various boilers 41
Technology 39 W6Mo5Cr4V2 high-speed steel drill bit mechanical carbonitriding technology 42
1.1.13 Electrochemical vapor-phase infiltration chemical heat treatment 42
Technology 40 15Cr11MoV Steel Steam Turbine Main Steam Valve Stem and Valve Plate Electrolytic Vaporizing Nitriding Process 43
1.1.14 German Electrolytic Gas Phase Ion Catalytic Carburizing Technology 44
Technology 41 Application of German ECA Cementitizer on Multi-purpose Furnace 44
Technology 42 Application of Electrolyte Vapor Phase Ionization Technology in Continuous Carburizing Furnace 45
1.1.15 Fast tempering method 46
Technique 43 Tempering Method Using German Rapid Tempering Device 47
Technique 44 High Temperature Rapid Tempering Process for Quenched Steel 47
Technique 45 Rapid Tempering Method 48
1.1.16 Bearing steel, tool steel, high-speed steel high-temperature short-time rapid annealing process 49
Technique 46 High Speed Steel Spheroidizing Annealing 49
Technology 47 Cr12 mold steel high temperature rapid pre-cooling spheroidizing annealing process 50
Technology 48 T10A steel mold rapid spheroidizing annealing process 51
Technology 49 3Cr3Mo3VNb (HM3) steel alloy casting die for rapid homogenization spheroidizing annealing pretreatment 52
Technology 50 GCr15 bearing steel rapid spheroidizing annealing 53
1.1.17 Rapid pressure carburizing and nitriding process 54
Technology 51 20CrMnTi steel agricultural machinery speed gear quick pressure carburizing process 54
1.1.18 Rapid Vacuum Heat Treatment Technology with Low Vacuum Transformer 55
Technology 52 38CrMoAl steel main drive gear low vacuum pressure change rapid gas nitriding process 56
Technology 53 40Cr Steel Gear Low Vacuum Transformer Rapid Nitrogen Carburizing Process 56
1.1.19 Rapid deep ion nitriding technology 57
Technology 54 25Cr2MoVA steel oil rig gear fast deep ion nitriding process 57
1.1.20 Pressurized gas rapid nitrocarburizing process 58
Technology 55 45 steel, 40Cr steel pressurized gas rapid nitrocarburizing process 58
1.1.21 High-pressure rapid gas carburizing method 59
Technology 56 20 steel engine rocker shaft adopts high-pressure, large-dose drip-type rapid gas carburizing (HG) technology 59
1.1.22 High temperature carburizing (carbonitriding) method of fluidized furnace and nitriding process of fluidized furnace 60
Technology 57 Fluidized particle carburizing and fluidized furnace nitriding process and its energy saving effect 61
Technology 58 20CrMnTi and 20Cr steel workpiece graphite particle fluidized furnace high temperature carbonitriding 61
Technique 59 Fluidized Furnace Heat Quenching of Ball Screw Nuts 61
1.1.23 Low temperature martensite quenching instead of carburizing and carbonitriding quenching
Technology 60 Low carbon martensite quenching of low carbon steel parts instead of carburizing and carbonitriding process 63
1.1.24 Replace low-carbon martensitic quenching with low-carbon steel for short-term heating 63
Technology 61 20Cr steel low carbon martensite quenching replaces 40Cr steel quenching and tempering 63
Technology 62 20 steel low carbon martensite quenching instead of 45 steel square sleeve quenching and tempering 64
1.1.25 Induction heating rapid heat treatment technology for pipes, bars and profiles 64
Technique 63 Induction heating solution treatment of austenitic stainless steel sheet 66
Technology 64 42CrMnMo steel thick-walled steel pipe induction heating quenching and tempering process 67
Technology 65 35CrMo steel pipe intermediate frequency induction heating quenching and tempering technology 68
1.1.26 Induction penetration heat treatment instead of resistance furnace heat treatment technology 69
Technology 66 Sucker rod IF induction penetration heating normalizing instead of resistance furnace heating normalizing 69
Technology 67 40Cr steel agricultural vehicle semi-axle, gear blank induction heating and tempering treatment 70
68 68CrCr 42CrMo steel piston rod blank induction heat treatment quenching and tempering process 71
Technology 69 20CrMo steel carburizing parts induction heat treatment quenching process 72
Technology 70 Energy-saving method of induction heating instead of resistance furnace heating for aluminum alloy parts 73
1.1.27 Parts with simple shapes (pipes, rods) are directly energized and quickly heated 73
Technology 71 60Si2MnA steel torsion shaft directly energized fast heating and quenching process 74
Technology 72: Quenching steel rods, wires, etc.
Technology 73 Q235A steel bar parts directly energized fast heating powder aluminizing process 75
Technology 74 Spring steel quenching process with electric heating 75
Technology 75 T9 steel filament electric heating quenching process 76
1.1.28 Nitrogen carburizing, sulfur nitrogen carburizing, oxygen nitrogen carburizing instead of nitriding
Technology 76 GD steel cans male mold ion sulfur nitrogen carburizing process 77
Technology 77 Oxy-nitrogen-carburizing process of high-speed steel 78
1.1.29 Other methods of shortening the heating time 79
Technology 78 FAW's truck axle change induction heating method to reduce energy consumption 79
Technology 79 Automobile half shaft changed from continuous heating to simultaneous heating induction hardening energy saving method 79
Technique 80 Use Phase Change Induced Plastic Straightening Instead of Thermal Straightening 80
Technology 81 Deep Carburizing Process-Buffer Carburizing and Energy Saving Process 82
Technique 82 Method of shortening deep carburizing time by using high carbon potential process 83
Technique 83 A method to shorten the gas nitriding exhaust time 85
Technique 84 Rapid carbonitriding of low carbon steel base 86
Technology 85 Precision Control Carburizing Technology 87
1.2 Method of lowering the heating temperature 90
1.2.1 Sub-temperature heating and quenching 90
Technology 86 Sub-temperature hardening process and its application effect 90
Technology 87 40Cr steel "Yaxing-Benz" passenger car knuckle arm sub-temperature hardening process 91
Technology 88 W6Mo5Cr4V2 steel bearing ring cold rolling core roller sub-temperature hardening process 91
Technology 89 Q275 U-shaped steel sub-temperature hardening and self-tempering process 92
Sub-tempering process of 90 42CrMo steel pressure plate
Technology 91 Sub-Temperature Heat Treatment Process of 45 Steel Electroslag Casting Crankshaft 94
1.2.2 Carbonitriding instead of thin-layer carburizing 94
Technology 92 Locomotive gearbox gas carbonitriding instead of carburizing process 94
1.2.3 Replace low-temperature carburizing and carbonitriding with low-temperature nitrocarburizing, sulfur-nitrocarburizing, and oxygen-nitriding
Technology 93 Low-temperature oxygen nitriding treatment of high-speed steel tools 96
Technology 94 W18Cr4V steel mold best low temperature ion sulfur nitrogen carbon 96
Technology 95 4Cr10Si2Mo steel motorcycle valve low temperature salt bath nitrocarburizing process 97
Technology 96 Nitrogen carburizing process for crankshaft of 40Cr and 42CrMoA steel of FAW 98
Technology 97 Motor car starter motor shaft gas nitrocarburizing instead of carbonitriding 99
1.2.4 Gas Multiple Permeability Technology 99
Technology 98 New Boron Carbon Nitrogen Co-Infiltration Technology 100
1.2.5 QPQ salt bath compound treatment technology 101
Technology 99 QPQ process of locomotive internal combustion engine valves (salt bath nitriding process) 102
Technology 100 W8Co3N steel hex punch QPQ surface treatment instead of TiN coating 102
1.2.6 Nickel-phosphorus electroless plating and brush plating 103
Technology 101: Electroless Ni-P Coating on Piston Rings of Santana Car Engine 105
Technology 102 Cr12MoV Steel Nickel-Phosphorus Plating Technology 106
Technology 103 Brush plating repair technology of CrWMn steel mold cavity 106
Technology 104 Dongfeng Motor Co., Ltd. Bimetal bushings without plating sintering new energy-saving process
Technology 105 Blue Iron and Steel Process at Normal Temperature 108
Technology 106 Fluorine-resistant motor silicon steel sheet steam blue energy saving technology 110
Technology 107 Rapid Phosphating Process at Room Temperature 111
Technology 108 Low and Medium Temperature Blackening Process for Steel Parts 112
1.3 Local heating instead of overall heating method 112
1.3.1 Induction heating surface heat treatment 113
Technology 109 Energy-Saving Approaches and Technologies for Induction Heat Treatment 114
Technology 110 8Cr3 steel cutting edge die local high frequency quenching instead of overall quenching 115
Technology 111 Cr12MoV steel work roll induction hardening instead of solid hardening 116
Technology 112 45 steel tractor steering knuckle intermediate pin quenching instead of integral heating quenching 117
Technology 113 Continuous induction hardening on the surface of large flat parts instead of integral heating hardening 117
Technology 114 20 steel high drive bulldozer tail sleeve intermediate frequency quenching instead of overall quenching process 118
Technology 115 30Si2CrMoB steel bulldozer blade induction hardening instead of salt bath hardening 119
Technology 116 Gear Synchronous Dual Frequency Induction Hardening Technology (SDF) 121
Technology 117 Ultrasonic induction hardening of HT250 gray cast iron machine guide 121
1.3.2 Induction hardening and induction carburizing technology after carburizing 122
Technology 118 American tractor gear induction hardening process after carburizing 123
119 20CrNi2MoA steel gear shaft induction hardening process after carburizing 123
Technology 120 20CrNi2MoA steel spline gear shaft induction hardening process after carburizing 124
Technology 121 Induction Heating Gas Carburizing Technology 125
1.3.3 Use induction heating surface quenching instead of carburizing quenching and nitrocarburizing 126
Technology 122 40Cr steel differential cross induction hardening and self-tempering instead of carburizing and quenching of 20MnVB steel
Technology 123 60Ti steel intermediate frequency quenching replaces 20MnVB steel carburizing manufacturing cross shaft 127
Technology 124 The drum gear shaft and the inner ring gear of the gear seat side adopt "medium carbon steel quenching + induction hardening"
Instead of carburizing and quenching 128
Technology 125 YTO Group's high-frequency quenching process for tractor front axle pins replaces carburizing quenching process 129
Technology 126 45 steel heavy duty truck diesel engine crankshaft induction quenching instead of nitrocarburizing treatment 130
1.3.4 High-frequency pulse current induction heating quenching 131
Technology 127 T12 Steel Electric Shaver High Frequency Pulse Current Induction Heating Surface Hardening 131
1.3.5 High-frequency induction resistance heating surface quenching 131
Technology 128 45 steel rack tooth surface high frequency induction resistance heating surface quenching 132
1.3.6 Flame-heated surface quenching 133
Technology 129 Flame quenching process for automotive engine tappets 134
Technology 130 7CrSiMnMoV steel stamped spring leaf punch die flame quenching 135
Technology 131 20 steel cylinder wrench local flame quenching at both ends 135
Technology 132 Inner surface flame quenching of high pressure pipe fittings 135
1.3.7 Laser Heated Surface Heat Treatment 137
Technology 133 Laser Surface Hardening of 40Cr Steel High Pressure Air Compressor Crankshaft 138
Technology 134 Laser hardening of HT250 gray cast iron gasoline engine block 139
Technology 135 Gear Laser Hardening Process 139
Technology 136 Replace the common quenching of Cr12MoV steel with laser quenching of QT600-2 nodular cast iron mold 140
1.3.8 Electron beam heating surface heat treatment 141
Technology 137 Cr12 steel hot deformation die electron beam surface quenching 142
1.3.9 Ion plating TiN coating technology 142
Technology 138 Application of Ion-plated TiN Coating to Punching Dies of FAW Company 143
1.3.10 Electric contact heating surface quenching 143
Technology 139 Gray cast iron machine bed rail contact resistance heating quenching 144
1.3.11 Ion implantation technology 144
Technology 140 W6Mo5Cr4V2 Ion implantation process for steel nut hole punch 145
1.4 Simplification or cancellation of heat treatment process methods 145
1.4.1 Eliminating quenching and reheating after carburizing 146
Technology 141 Tank car gear carbonitriding direct quenching instead of carburizing + secondary heating quenching process 146
Technology 142 20Cr steel internal combustion engine piston pin rare earth carburizing direct quenching process 147
Technology 143 20Cr2Ni4 steel rare earth low temperature gas carburizing direct quenching process 148
1.4.2 High-pressure air-cooled quenching after carburizing 148
Technology 144 Gas carburizing production line and process for high-pressure gas quenching sealed box furnace and high-pressure gas quenching pusher furnace 148
Technology 145 27MC5 steel crankshaft camshaft low pressure vacuum carburizing high pressure gas quenching technology 149
1.4.3 Vibration aging instead of thermal aging 150
Technology 146 Replaces thermal aging with vibration aging for machine seats and other cast iron parts 151
1.4.4 Cancel the tempering process 151
147 20Cr steel piston pin carburizing and quenching tempering process cancelled 152
Technology 148 Dongfanghong-75 tractor second shaft gear carburizing and quenching tempering process 153
Technology 149 Beijing 212 automobile transmission gear shaft after intermediate frequency quenching cancel tempering process 154
Technology 150 40Mn steel chain plate quenched blue after quenching 154
151 Ductile iron crankshaft tempered after normalization canceled 155
1.4.5 Replacing the quenching and tempering process with normalizing 156
Technology 152 ZG35CrMo steel large gear coarse open tooth normalizing instead of quenching and tempering process 156
1.4.6 Replace quenching and tempering with isothermal quenching 158
Technology 153 40Cr steel textile machinery parts isothermal quenching instead of quenching and tempering 158
1.4.7 General chemical heat treatment instead of chemical heat treatment 159
Technology 154 45Cr steel heating quenching instead of 12CrNi3 steel lifter carburizing and quenching 159
1.4.8 Tempering instead of quenching and tempering 160
Technology 155 20Cr13 steel valve with high temperature tempering instead of tempering process 160
1.4.9 Application of drawing hardening forming method instead of quenching and tempering 161
Technology 156 20 steel automobile ring brake column drawing hardening process instead of quenching and tempering 161
Technology 157 40Cr steel heavy-duty axle half shaft canceling quenching and tempering intermediate frequency quenching process 162
1.4.10 Self-tempering and induction tempering replace common furnace tempering 164
Technology 158 High-strength joint bolt induction heating sub-temperature quenching and self-tempering process 165
Technology 159 Use of self-tempering to optimize roll heat treatment process 166
Technology 160 YTO Company's 35CrMo steel tractor drive axle intermediate frequency quenching self-tempering process 167
Technology 161 45 steel 2105 diesel engine crankshaft self-tempering process 167
Technology 162 Wuhan University of Technology "oil wiping water cooling" two-liquid quenching energy saving method 168
1.5 Waste heat treatment process 168
1.5.1 Forging waste heat treatment 168
Technology 163 42CrMo steel Steyr heavy-duty automobile balance shaft forging waste heat quenching process 169
Technology 164 35 Steel Motorcycle Magnetic Motor Wheel Cover Hot Extrusion Waste Heat Quenching Technology 170
Technology 165 Cr12MoV steel cold work die forging waste heat low temperature quenching process 171
Technology 166 40Cr steel connecting rod forging forging waste heat quenching process 172
Technology 167 45 steel bow shackle forging waste heat quenching process 173
Technique 168 Waste Heat Quenching Process of Spring Bar 175
Technology 169 Gear Forging Waste Heat Isothermal Annealing Process 177
Technology 170 FAW Gear Forging Waste Heat Isothermal Annealing Process 177
Technology 171 Japan Gear Forging Waste Heat Annealing Technology 178
Technology 172 45 and 40Cr steel motorcycle engine crank forging waste heat quenching and tempering process 180
Technology 173 06Cr19Ni (formerly 0Cr18Ni9) stainless steel forging waste heat solution treatment 181
1.5.2 Casting waste heat treatment 182
Techniques 174 Cast alloy methods 182
Technology 175 QT600-2 Ductile iron automotive crankshaft waste heat normalizing process 183
Technology 176 High-manganese steel casting waste water toughening process 183
Technology 177 ZL101 aluminum alloy gear pump casting waste heat quenching 184
Technique 178 Aluminum Piston Hardening Process 184
1.5.3 Remaining heat treatment after rolling 185
Technology 179 Hot-Roll Hardening Process 185
Technology 180 20MnSi rebar heat treatment after rolling 185
1.5.4 Other waste heat treatments 186
Technology 181 20Cr steel differential gear shaft quenching oil waste heat tempering process 186
Technology 182 Gear Utilizing Furnace Residual Tempering Method 187
1.6 Other Heat-Saving and Energy-Saving Processes and Methods 187
1.6.1 Reasonable regulation of effective surface hardened layer depth 187
Technique 183 Determination of the depth of carburized hardened layer 188
Technique 184 Determination of Nitrided Depth 188
Technology 185 Design and Selection of Induction Hardened Layers 189
Technology 186 Design of car gear hardened depth 190
1.6.2 Replacing the traditional gas nitriding process with ion nitriding
Technology 187 5Ni12Mn5Cr3Mo steel ion nitriding alternative gas nitriding process 191
1.6.3 New Energy Efficient Annealing Process 191
Technology 188 Large-scale forgings dehydrogenation annealing new energy-saving process 191
Technology 189 42CrMo steel large forgings dehydrogenation annealing energy saving process 192
1.6.4 Energy-saving composite heat treatment technology 192
Technology 190 20CrMnMo steel large heavy-duty gear high-efficiency energy-saving carburizing compound heat treatment process 193
Technology 191 Graphite fluidized particle furnace blue quenching composite process 193
Technology 192 20MnVB, 20MnTiB steel composite high heat and toughness flat joint chain heat treatment process 194
Technology 193 Tempering and Surface Oxidation Composite Treatment Process 195
1.6.5 Using computer simulation, intelligence and software technology to save energy and reduce consumption 196
Technology 194 Application of computer simulation, intelligence and software technology in energy saving and consumption reduction 197
Technology 195 Intelligent control technology for gas carburizing (nitriding) based on computer simulation 197
Technology 196 Energy-saving low-pressure vacuum carburizing and high-pressure gas quenching control system-SECCO / Walker FineCarbTM Process 198
Technology 197 French ECM company Infracarb process software pulse carburizing process 199
1.6.6 Repair and heat treatment technology for parts 200
Technology 198 Several Remanufacturing Engineering and Automation Surface Engineering Technology Applications 200
Technology 199 British aircraft engine high-pressure blade laser repair technology 202
Technology 200 Comprehensive Gauge TiN Coating Repair Technology 202
Technology 201 Laser repair of mold 203
1.6.7 Advanced Heat Treatment Energy Saving Technology 204
Technology 202 Ipsen's process gas consumption near zero gas carburizing 204
Chapter 2 Technology to Reduce Heat Treatment Equipment 208
2.1 Reasonable selection of heat treatment energy 209
2.1.1 Adopting natural gas heat treatment technology 210
Technology 203 FAW uses natural gas for carburizing and carbonitriding technology 210
Technology 204 Pit Furnace Carburizing Process with Natural Gas 213
2.1.2 Using solar heat treatment technology 214
Technology 205 W6Mo5Cr4V2 steel blade cutting edge solar heating toughening treatment 214
Technology 206 40Cr13 Stainless Steel Vernier Caliper Solar Heating Quenching 215
2.2 Reasonable selection of heat treatment furnace type 215
Technique 207 Heat Treatment Furnace Selection Principles and Methods 216
2.3 Methods of Reducing Heat Loss 217
2.3.1 Methods of reducing heat dissipation and heat storage of furnace wall 217
Technology 208 Methods and Approaches to Reduce Heat Dissipation and Thermal Storage in Furnace Walls 217
Technology 209 Optimize Furnace Lining Structure to Save Energy Consumption 220
Technology 210 Energy-saving retrofit technology for heat treatment mesh belt furnace lining 220
2.3.2 Method of reducing the weight of work tools to reduce heat loss 222
Technology 211 Dongfeng Motor Corporation Improves Heat Treatment Tooling and Increases Planetary Axle Loading Method 223
Technology 212 Dongfeng Motor Company's Method of Improving Tooling and Increasing the Capacity of Middle Bridge Gears 224
Technology 213 Use graphite plate instead of heat-resistant steel to make vacuum gas quenching basket to reduce cost 225
Technology 214 Dongfeng Motor Corporation Standardizes Heat Treatment Tooling and Reduces Costs 225
Technology 215 U.S. replaces heat-resistant steel with carbon / carbon composites to make racks and grids to reduce weight 226
Technique 216 Replacement of heat-resistant steel with carbon / carbon composite materials Vacuum weighting furnace tray manufacturing method 227
Technique 217 Carburizing and quenching tray manufacturing with carbon / carbon composites Weight reduction method 227
2.4 Selecting Reasonable Combustion Energy-Saving Technology 228
Technology 218 Control of combustion air (gas) / fuel (gas) ratio and precise control of energy saving technology 228
2.5 Energy Saving Technology Using Waste Heat 230
Technology 219 Pre-heated Air Energy Saving Methods for Gas Exhaust Gas 231
Technology 220 Application and Energy Saving Effect of High Efficiency Heat Exchanger 232
Technology 221 Use of energy-saving burners 233
Technology 222 Application of energy-saving radiant tubes 234
Technology 223 Application of self-heating gas burner in large box quenching and tempering production line 236
Technology 224 Combustion Degreasing Furnace 237
Technology 225 Carburizing and quenching production line for multiple comprehensive utilization of thermal energy 238
Technology 226 Continuous carburizing, quenching, cleaning and tempering production line made in Japan with multiple uses of waste heat 238
2.6 Energy-saving technological transformation of heat treatment furnaces
Technology 227 Application of new energy-saving furnace lining 239
Technology 228 Box Furnace Energy-saving Technology with High Temperature Far Infrared Coatings 240
Technology 229 Application of New Furnace Building Materials to Trolley Type Resistance Furnace 242
Technology 230 Strong Radiation Heat Transfer Energy Saving Technology 243
Technology 231 Power Saving Technology for Heat Treatment Resistance Furnace 245
2.7 Fast Start-up and Power-Saving Energy-Saving Method of Salt Bath Furnace 247
Technology 232 Simple and practical parallel double spiral start electrode quick start method 247
Technology 233 Self-excited fast start technology for any salt bath furnace 248
Technology 234 Salt bath furnace power failure insulation energy saving method 249
Technique 235 Covering salt bath furnaces to reduce radiant heat loss 249
2.8 Energy-saving transformation of induction heat treatment equipment 250
Technology 236 FAW Four-cylinder Gasoline Engine Camshaft Improved Sensor Turns Energy Saving Method 250
2.9 Promote energy-saving heat-reduction equipment 251
Technology 237 Recommended Energy-Saving Heat Treatment Equipment Catalog 251
Technology 238 Energy-saving and consumption-reduction technology for bottom-loading vertical multi-purpose furnace 254
Technology 239 High-temperature controlled atmosphere multi-purpose furnace 256
Technology 240 Active Screen Ion Nitriding Equipment and Technology 257
Technology 241 Precision Controlled Intelligent Controlled Atmosphere Box Nitriding Furnace 259
Technology 242 BBHG-5000 gas-fired large pre-vacuum multi-purpose furnace production line 260
Technology 243 Air cooler for quenching medium and induction heating equipment Energy saving technology 262
2.10 Other energy-saving and heat-reduction heat treatment equipment 263
Technology 244 1000K small solar heat treatment furnace 263
Technology 245 German Ipsen company TQA salt bath isothermal and step-hardening production line
Technology 246 Multipurpose roller hearth quenching and tempering energy-saving production line 266
Technology 247 Flywheel ring gear normalized correction IF induction heating production line 267
Technology 248 Induction heating differential temperature vertical (energy-saving) quenching machine for large support rollers 268
Technology 249 Simple Manufacturing Method of Vibration Aging Equipment 270
Technology 250 Vernier Caliper Vibration Aging Device and Its Application 270
Technology 251 70m / min PC steel bar induction hardening and tempering production line 271
Technology 252 German Open Pit Gas Carburizing Furnace 273
Technology 253 French ECM company ICBPH600TG low pressure vacuum carburizing high pressure gas quenching production line 274
Technology 254 FAW Company's forged billet waste heat isothermal normalizing automatic production line 275
Technology 255 Energy consumption comparison between gas heating mesh belt furnace and electric heating mesh belt furnace 276
Technology 256 US-made endothermic atmosphere generator for rapid carburizing atmosphere to save fuel 278
Technology257 Improved endothermic generator from Ipson 279
Technology 258 Energy-saving microcomputer controlled nitriding furnace 280
Technology 259 Energy-saving deep hearth three-phase six-pole side buried electrode salt bath furnace 281
2.11 Heat treatment waste heat recovery technology and application 283
Technology 260 Waste heat recovery technology for gas cylinder tempering furnace 283
Technology 261 Heat recovery type continuous normal furnace 285
Technology 262 Energy-saving double-layer continuous isothermal annealing furnace for bearing forgings 286
Technology 263 Pusher Gas Isothermal Normalizing Production Line and Its Application 287
Technology 264 Heat Recovery Type Continuous Isothermal Spheroidizing Annealing Furnace 289
Chapter 3 Materials and Applications That Can Reduce Heat Treatment 291
3.1 Various osmotic agents and their applications 291
3.1.1 Preparation and application of rare earth catalyst
Technology 265 Application of Rare Earth Cementing Agent in Nitriding of Plug 292
3.1.2 BH osmotic agent and its application 293
Technology 266 Application of BH Catalyst in Box Multi-purpose Furnace 294
3.2 Acetylene carburizing agent and its application 295
Technology 267 Acetylene carburizing agent and vacuum low-pressure acetylene carburizing energy-saving technology 295
3.3 Nitrogen-based atmosphere and its application
Technology 268 Nitrogen-based atmosphere with controlled carburization of mud pump valve body 299
Technique 269 Application and Comparison of Nitrogen-Methanol and Endothermic Carburizing Atmosphere 300
Technology 270 pinion nitrogen-methanol atmosphere carbonitriding process 301
Technology 271 Application of Nitrogen-Methanol Atmosphere to Double-row Continuous Carburizing Furnace 302
3.4 Direct atmosphere and its application technology 303
Technology 272 Application of a direct carburizing atmosphere in a multi-purpose furnace 303
Technology 273 FAW Group Co., Ltd. continuous furnace propane + air direct atmosphere atmosphere carburizing process 305
Technology 274 Acetone + air direct-generation controlled atmosphere carburizing process for multipurpose furnace 306
3.5 (replaces quenching oil) polymer quenching medium and its application 308
Technology 275 Application of PAG polymer quenching medium instead of quenching oil in quenching and tempering of differential case 308
Technology 276 UCON E polymer quenching medium instead of oil quenching for precision forging carburizing gears 309
Technology 277 Method for replacing quenching oil with water-soluble quenching medium in mold steel 310
3.6 Surface film-forming quenching oil 311
3.7 Heat-treated energy-saving steel and its application 311
3.7.1 Non-quenched and tempered steel and its application 312
Technology 278 Application of 12Mn2VBS non-quenched and tempered steel on automobile front axle 312
Technology 279 38MnVTi non-quenched and tempered steel application in automobile axles 314
Technology 280 Normalization of Medium Carbon Microalloyed Non-quenched and Tempered Steel and Its Application 315
3.7.2 High-temperature carburizing steel, rapid carburizing steel and its application 317
Technology 281 Rapid carburizing steel used in Japan and its energy saving effect 318
3.7.3 Oboe Ductile Iron (ADI) and its applications 318
Technology 282 Ductile iron heat treatment process and its application effect 318
Technology 283 Austempered quenching of ductile cast iron gears 320
3.7.4 Flame-quenched steel and its application 320
Technology 284 Application of flame-quenched steel 7CrSiMnMoV in molds 321
3.8 Replacing high-cost materials with low-cost materials 321
Technology 285 Replacement of Cr12MoV alloy die steel with nodular cast iron Roller quenching 321
Technology 286 Replace 17CrNiMo6H, 22CrMoH steel bevel gear with 17Cr2Mn2TiH steel carburizing and quenching 322
Technology 287 QT500-10 Ductile iron bushing quenching instead of 20CrMnTi steel carburizing and quenching 324
Technology 288 Replacement of 16MnCr 5 steel camshaft with 20Cr steel carburizing and quenching 325
3.9 Heat treatment of energy-saving protective coatings and steel foil packaging, reducing steel loss and subsequent processing methods 326
Technique 289 Partially impervious and directly hardened part 327
Technology 290 adopts QW-F1 steel heating protection agent to achieve less oxidation-free heating technology 327
Technology 291 Steel foil packaging heat treatment technology to reduce oxidative decarburization 329
3.10 Regeneration treatment technology of quenching oil 330
Technology 292 Regeneration treatment method of quenching oil 330
Chapter 4 Management Measures and Methods for Heat-Saving Energy Saving and Consumption Reduction 333
4.1 Guaranteeing the quality of heat treatment and reducing rework 333
Technique 293 Measures to Ensure Heat Treatment Quality and Reduce Rework 334
Technology 294 Energy saving process management measures 334
4.2 Continuous production and full-load operation of equipment
Technology 295 Heat treatment power saving measures 335
4.3 Establishing an Energy Management System 336
Technology 296 Persist in equipment energy measurement, data recording and analysis methods 336
Technology 297 Energy saving using contract energy management model 337
4.4 Measures to Reduce the Failure Rate of the Maintenance of Heat Treatment Equipment 337
Technology 298 Maintenance of heat treatment equipment and basic measures for energy saving reconstruction 337
4.5 Strict implementation of heat treatment energy utilization standards 338
4.6 Education and Assessment of Heat Treatment and Energy Saving 338
4.7 Improvement of heat treatment production management and computer application 340
Technology 299 Application of Energy-Saving Computer Management System for Heat Treatment Production 340
4.8 Organization and Management Methods for Energy Saving in Heat Treatment Production 340
Technology 300 Management method of energy saving and heat reduction in heat treatment production 341
References 342

实用热处理技能降耗技术300种 300 kinds of practical heat treatment skills to reduce consumption technology

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