1. 1 Knowledge that welding machine maintenance personnel should master.
Requirements for 1. 1. 1 maintenance personnel
1. 1.2 General methods for troubleshooting welding equipment
1. 1.3 Skills that maintenance personnel should master.
1. 1.4 Fault classification of electric welding machine
1.2 Common materials for electric welding machines
1.2. 1 conductive materials for electric welding machines
1.2.2 welding machine insulation material
1.2.3 magnetic conductive materials for electric welding machines
1.3 common equipment, instruments and tools for repairing electric welding machines
1.3. 1 electric welding machine repairs common equipment.
1.3.2 Common tools for repairing electric welding machines
1.3.3 Common tools for repairing electric welding machines
Winding technology of 1.4 coil
1.4. 1 winding of multi-turn winding
1.4.2 manufacture and repair of iron core
1.4.3 insulation between core clamping screw and clamp
1.4.4 Extension method of conductor
1.4.5 welding repair of defects of large cross-section copper conductor
1.4.6 cold press connection between cable and connector
Chapter II Maintenance of AC Arc Welding Machine
2. Structure and working principle of1AC arc welding machine
2. 1. 1 Structure and working principle of identical AC arc welding transformer
2. 1.2 Structure and working principle of split AC arc welding transformer
2. 1.3 structure and working principle of moving iron magnetic separation semi-open AC arc welding transformer
2. 1.4 Structure and working principle of AC arc welding transformer with reinforced moving winding.
2. 1.5 structure and principle of fully open AC arc welding transformer with moving iron magnetic separation
2.2 Technical data of arc welding transformer
2.3 AC welding machine fault causes and treatment methods
2.3. 1 Maintenance of moving iron AC arc welding machine
2.3.2 Maintenance of Moving Coil AC Arc Welding Machine
2.3.3 Maintenance of tapping AC arc welding machine
Chapter III Maintenance of CO2 Semi-automatic Welding Machine
3. Working principle of1CO2 semi-automatic welding machine
3. Characteristics and application of1.1CO2 arc welding
3. 1.2 welding material
3. 1.3 Selection of welding specifications
3. 1.4 basic operation technology
Osaka 3.2 x Series CO2 Semi-automatic Welding Machine, Japan
2. 1 overview
3.2.2 Fault analysis and treatment of X series (X Ⅲ 500ps) CO2 semi-automatic welding machine in Osaka, Japan.
3.2.3 NBC250 CO2 gas shielded semi-automatic welding machine
3.3 failure analysis and maintenance of MBC 500s CO2 automatic welding machine
3.3. 1 MBC500S CO2 automatic welding machine structure.
3.3.2 Fault analysis and maintenance
3.4 Failure Analysis and Maintenance of NBC 200CO2 Gas Protected Semi-automatic Welding Machine
3.4. Basic principle of1NBC 200 CO2 gas shielded welding machine
3.4.2 Maintenance of CO2 gas shielded semi-automatic arc welding machine
3.4.3 Analysis and Treatment of Common Faults of NBC 200 Semi-automatic CO2 Welding Machine
3.5 Troubleshooting of Thyarc brand NBC400 inverter CO2 gas shielded welding machine and NBM400 inverter pulse MIG/MAG welding machine.
3.5. 1 Basic principles
3.5.2 Troubleshooting of NBC 400 inverter MAG/CO2 gas shielded electric welding machine
3.6 Technical data of gas shielded electric welding machine
Chapter iv maintenance of TIG welding machine
4. Basic principle of1argon arc welding machine
4. 1. 1 principle of manual DC TIG welding machine
4.1.2na5001Principle of manual AC TIG welding machine
4.2 Circuit diagram and technical parameters of other TIG welding machines
4.2. 1 NSA300 DC manual TIG welding circuit
4.2.2 KW manual TIG welding machine control circuit
4.2.3 Main technical data of TIG welding machine
4.3 Use and maintenance of TIG welding machine
4.3. Composition and characteristics of1TIG welding machine
4.3.2 Difference between DC argon arc welding and pulsed argon arc welding
4.3.3 Preparation and cleaning before welding
Welding specification parameters
welding operation
4.3.6 Maintenance of Manual TIG Welding Machine
4.4 maintenance example of TIG welding machine
4.4. 1 NSA4300 fault analysis and treatment of manual DC TIG welding rectifier circuit.
4.4.2 Fault Analysis and Treatment of NSA5001Manual AC TIG Welding Machine
4.4.3 Fault Analysis and Treatment of NSA 300 Manual DC TIG Rectifier Circuit
4.4.4 KW Common Faults and Treatment of Control Box of Manual TIG Welding Machine
Chapter V Maintenance of Automatic Submerged Arc Welding Machine
5. 1 working principle of submerged arc automatic welding machine
5.1.1mz1000 working principle of AC submerged arc welding machine
5.1.2mz11000 working principle of AC automatic submerged arc welding machine.
5.2 Other circuits of submerged arc automatic welding machine
5.3 Maintenance and Use of Automatic Submerged Arc Welding Machine
5.3. 1 Maintenance of automatic submerged arc welding machine
5.3.2 Specification parameters of submerged arc welding machine
5.4 Technical data of automatic submerged arc welding machine
5.4. 1 technical data of automatic submerged arc welding machine
5.4.2 Technical data of semi-automatic submerged arc welding machine
5.5 Maintenance Example
5.5. 1 MZ 1000 AC submerged arc welding machine failure
5.5.2 Analysis and treatment of common faults of MZ11000 AC automatic submerged arc welding machine.
Chapter VI Maintenance of Silicon Rectifier (Triode) Arc Welding Machine
6. Basic principle and structure of1silicon rectifier arc welding machine
6.1.1zxg73001Working principle of arc welding rectifier.
6. 1.2 Basic principle of silicon rectifier arc welding machine with driving coil transformer (ZXG 1 160)
6. 1.3 principle of electromagnetic adjustable (ZXG300) silicon arc welding rectifier welder
6. 1.4 ZXG 1500 silicon rectifier DC welding machine principle
6.2 Technical data of arc welding rectifier
6.3 Use and Maintenance of Silicon Rectifier Arc Welding Machine
6.3. 1 General inspection test of manual silicon arc welding rectifier
6.3.2 Installation of Rectifier Arc Welding Machine
6.3.3 Use of Rectifier Arc Welding Machine
6.3.4 Selection of power cord for rectifier arc welding machine
6.4 Analysis and Treatment of Common Faults of Rectifier Arc Welding Machine
6.5 example of rectification arc welding machine transformation
Chapter VII Maintenance of Thyristor Rectifier Arc Welding Machine
7. Principle of1zx5 series thyristor arc welding rectifier
7. 1. 1 Overview
7. 1.2 main circuit
7. 1.3 trigger circuit
7.2 Typical circuit
7.2. 1 ZX5400 electrical schematic diagram of thyristor rectifier arc welding machine
7.2.2 Schematic diagram of main circuit of ZDK500 thyristor arc welding rectifier
7.2.3 main circuit diagram of GS300SS thyristor arc welding rectifier
7.2.4 Main circuit of ZX5250 thyristor arc welding rectifier
7.2.5 Main circuit diagram of LHF250 thyristor arc welding rectifier
7.3 Technical Data of Thyristor Arc Welding Machine
7.4 Fault Analysis and Treatment of Thyristor Arc Welding Rectifier
7.4. Fault analysis and treatment of1zx5400 thyristor arc welding rectifier
7.4.2 Fault Analysis and Treatment of ZDK500 Thyristor Arc Welding Rectifier
7.4.3 Fault analysis and treatment of GS300SS thyristor arc welding rectifier
7.4.4 Fault analysis and treatment of ZX5250 thyristor arc welding rectifier
7.4.5 Fault Analysis and Treatment of LHF250 Thyristor Arc Welding Rectifier
Chapter 8 Maintenance of IGBT Inverter Arc Welding Machine
8. 1 Basic principle of inverter arc welding machine
Principle of 8. 1. 1 ZX7 series thyristor inverter arc welding rectifier
8.1.2 Kemppi MasterTIG1500/2200 DC dual-purpose inverter arc welding machine working principle.
8.2 Circuit diagram and technical parameters of other inverter argon arc welding machines
8.2. 1 Circuit diagram of other inverter argon arc welding machines
8.2.2 Maintenance and technical parameters of inverter argon arc welding machine
8.3 Fault Treatment of Inverter Arc Welding Machine
8.3. Troubleshooting of1zx7 series inverter arc welding machine.
8.3.2 Troubleshooting of IGBT ZX7400 (500) inverter welding machine
8.3.3 Troubleshooting of WSM Series Multifunctional Welding Machines
8.3.4 Troubleshooting of THYARC brand WSM5 series inverter DC pulsed argon arc welding machine.
8.3.5 Troubleshooting of TIG160, 180, 125 and 135 inverter argon arc welding machines.
Chapter 9 Maintenance of Air Plasma Cutting Machine
9. 1 Suda brand CUT series air plasma cutting machine
9. Brief introduction of features and uses of1.1
9. 1.2 technical parameters and working principle
9. 1.3 operation flow
9. 1.4 Installation, maintenance and parts replacement of cutting torch
9. 1.5 Troubleshooting
9.2 Maintenance of Frequency Conversion Cutting Machine
9.2. Maintenance of1Jiarui CTU30 and 40 frequency conversion cutting machines
9.2.2 Maintenance of Jia Rui CTU60, 70, 100 and 120 frequency conversion cutting machines.
List of common accessories for electric welding machine
Schedule 1 quick connector
Schedule 2 Cooling Fan
Schedule 3 Electrode holder
Schedule 4 Welding torch
Schedule 5. 1 argon arc welding torch (I)
Schedule 5.2 argon arc welding torch (II)
Schedule 6 Air plasma arc cutting torch
Schedule 7 Carbon arc gouging gun
Schedule 8 Mask
Schedule 9 Contact Nozzle
Attached table 10 carbon dioxide gas decompression flowmeter
Attached table 1 1 argon depressurization flow regulator
Attached Table 12 Mixed Gas Proportional Mixer
Schedule 13 solenoid valve
Schedule 14 Electrodes and Materials
Schedule 15 Carrying small inflatable cylinders
Attached Table 16 covered electrode Insulating Tube
Schedule 17 Flux Dryer
Attached Table 18. 1 covered electrode Drying Equipment (I)
Attached Table 18.2 covered electrode Drying Equipment (II)
Schedule 19 Printing Motor
Schedule 20 Electrical Components
refer to