☆ Functional introduction
The welding laboratory mainly focuses on the research on weldability, welding technology and joint performance of materials for the metallic materials including low alloy steel, stainless steel, nickel-base alloy , etc. for power stations. It carries out welding technology assessment in accordance with domestic standards, ASME specifications, European standards , etc. It provides welding technology consultation and failure analysis services of weld component.
☆ Instruments and equipment
Double-pulse MIG/MAG welding machine
Pulse TIG welding machine
Thyristor rectifier arc welding machine
Inversion DC arc welding machine
Inversion DC argon arc welding machine
Consumable electrode MIG/MAG gas shielded arc welding machine
Automatic submerged arc welding machine
☆ Parameters and technical level
Name and model number of equipment: Double-pulse MIG/MAG welding machine
All-digital inverter power supply; continuous current adjustment range: 10-400A;
Duty cycle: 60%;
Rated current at 100% duty cycle: ≥310A;
Power factor of power supply: ≥0.92;
Weld the low alloy steel and stainless steel plates above 0.6mm and the aluminum alloy plates above 0.8mm;
It is able to normally operate in the environment with the -10℃-40℃ temperature and the 90% humidity.
Name and model number of equipment: Pulse TIG welding machine
Current adjustment range: 3-280A;
Duty cycle: 60%;
Welding current at 100% duty cycle: TIG 280A;
It has the modes including pulse-free, low-frequency pulse, high-frequency pulse , etc. and its pulse frequency is 0.1-15000HZ;
It is able to normally operate in the environment with the -10℃-40℃ temperature and the 90% humidity.
Name and model number of equipment: Thyristor rectifier arc welding machine
Rated input capacity: 34KVA;
Rated input current: 52A;
Current adjustment range: 50-400A;
Output no-load voltage: 70V;
Duty cycle: 60%;
Name and model number of equipment: Inversion DC arc welding machine
Rated input capacity: 18.4KVA;
Rated input current: 28A;
Current adjustment range: 20-400A;
Output no-load voltage: 76V;
Duty cycle: 60%.
Name and model number of equipment: Inversion DC argon arc welding machine
Input capacity: 15.5KVA;
Current adjustment range: 20-400A;
Output no-load voltage: 72V;
Duty cycle: 60%;
It has DC arc welding, low-frequency pulse argon arc welding, high-frequency pulse argon arc welding and manual arc welding functions and it is suitable for multiple welding processes;
Name and model number of equipment: Consumable electrode MIG/MAG gas shielded arc welding machine
Input capacity: 16.8KVA;
Rated input current: 25.5A;
Current adjustment range: 50-350A;
Output no-load voltage: 60V;
Duty cycle: 60%;
It has gas shielded welding and manual arc welding functions;
The voltage is continuously adjustable and it is precisely matched with current; the carbon dioxide gas shielded or mixed gas shielded welding can be performed.
Name and model number of equipment: Automatic submerged arc welding machine
Rated input capacity: 90KVA;
Rated input current: 137A;
Current adjustment range: 250-1250A;
Output no-load voltage: 75V;
Duty cycle: 80%;
The welding power supply has multiple functions for submerged arc welding, manual welding and carbon arc air gouging;
☆ Allowable test research items
Use the welding methods including SMAW, TIG, MIG, MAG, SAW , etc. to carry out the welding test of the materials including low alloy steel, stainless steel, nickel-base alloy , etc.
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