Model NO.: WSM-400
Model Number: Arc500 or as Your Demands
Main Technology: Mosfet Inverter Technology
Warranty Time: 1 Year
Application: Repair
Trademark: N/M
Transport Package: Standards Sea Carton or Customized
Specification: CE
Origin: Shenzhen, Guangdong China
HS Code: 8515319900
Model NO.: WSM-400
Model Number: Arc500 or as Your Demands
Main Technology: Mosfet Inverter Technology
Warranty Time: 1 Year
Application: Repair
Trademark: N/M
Transport Package: Standards Sea Carton or Customized
Specification: CE
Origin: Shenzhen, Guangdong China
HS Code: 8515319900
Product Description
WSM 315/400/500 Pulse TIG DC-MMA Welding machineFunction:
DC / Constant current TIG, DC pulse TIG, hand arc welding.Applying to:Petrochemical, Pressure vessel, Power construction, Shipping, Bicycling, Nuclear power, Pipe installation, and so on.
Performance and feathers:1. The machines come with clear and concise operation panel;
2. All operating parameters such as current increasing/decreasing pulse frequency, duty cycle, time and so on can be precisely pre-set;
3. Hand arc welding has the adjustment of arc-starting and thrust currents, prevent electrode sticking;
4. Argon arc welding machine is equipped with the water-lacking guarding protection, it is easy to start and prevent rod from sticking;
5. The machine has modes of Two-Step and Four-Step operation;
6. The machine is with smaller size, lighter weight and easier to move;
7. The working current and voltage are shown simultaneously;
8. HF and LF pilot arcs are for TIG;




Model |
WSM-315 |
WSM-400 |
WSM-500 |
Rated input voltage / frequency |
Three phase 380V±10% 50Hz |
Rated input capacity |
11.2 |
17.1 |
23.7 |
Rated input current |
17 |
26 |
36 |
Rated duty cycle |
60 |
DC and constant current |
Welding curren(A) |
5~315 |
5~400 |
5~500 |
DC pulse |
Peak current(A) |
5~315 |
5~400 |
5~500 |
Base current(A) |
5~315 |
5~400 |
5~500 |
Pulse duty(%) |
1~100 |
1~100 |
1~100 |
Pulse frequency(Hz) |
0.2~20 |
TIG |
Arc starting current (A) |
10~160 |
10~160 |
10~160 |
Arc stopping current(A) |
5~315 |
5~400 |
5~500 |
Time of current-increasing(S) |
0.1~10 |
Time of current-decreasing(S) |
0.1~15 |
Pre-flow time(S) |
0.1~15 |
Lagging time of gas-stopping(S) |
0.1~60 |
Time of spot welding(S) |
-- |
Working style of arc stopping current |
Two-step\Four-step |
TIG pilot arc style |
HF arc |
Hand arc welding |
Welding current(A) |
5~315 |
5~400 |
5~500 |
Thrust current(A) |
10~200 |
10~200 |
10~200 |
Pilot arc current(A) |
20~160 |
20~160 |
20~160 Â |
Product Description
WSM 315/400/500 Pulse TIG DC-MMA Welding machineFunction:
DC / Constant current TIG, DC pulse TIG, hand arc welding.Applying to:Petrochemical, Pressure vessel, Power construction, Shipping, Bicycling, Nuclear power, Pipe installation, and so on.
Performance and feathers:1. The machines come with clear and concise operation panel;
2. All operating parameters such as current increasing/decreasing pulse frequency, duty cycle, time and so on can be precisely pre-set;
3. Hand arc welding has the adjustment of arc-starting and thrust currents, prevent electrode sticking;
4. Argon arc welding machine is equipped with the water-lacking guarding protection, it is easy to start and prevent rod from sticking;
5. The machine has modes of Two-Step and Four-Step operation;
6. The machine is with smaller size, lighter weight and easier to move;
7. The working current and voltage are shown simultaneously;
8. HF and LF pilot arcs are for TIG;




Model |
WSM-315 |
WSM-400 |
WSM-500 |
Rated input voltage / frequency |
Three phase 380V±10% 50Hz |
Rated input capacity |
11.2 |
17.1 |
23.7 |
Rated input current |
17 |
26 |
36 |
Rated duty cycle |
60 |
DC and constant current |
Welding curren(A) |
5~315 |
5~400 |
5~500 |
DC pulse |
Peak current(A) |
5~315 |
5~400 |
5~500 |
Base current(A) |
5~315 |
5~400 |
5~500 |
Pulse duty(%) |
1~100 |
1~100 |
1~100 |
Pulse frequency(Hz) |
0.2~20 |
TIG |
Arc starting current (A) |
10~160 |
10~160 |
10~160 |
Arc stopping current(A) |
5~315 |
5~400 |
5~500 |
Time of current-increasing(S) |
0.1~10 |
Time of current-decreasing(S) |
0.1~15 |
Pre-flow time(S) |
0.1~15 |
Lagging time of gas-stopping(S) |
0.1~60 |
Time of spot welding(S) |
-- |
Working style of arc stopping current |
Two-step\Four-step |
TIG pilot arc style |
HF arc |
Hand arc welding |
Welding current(A) |
5~315 |
5~400 |
5~500 |
Thrust current(A) |
10~200 |
10~200 |
10~200 |
Pilot arc current(A) |
20~160 |
20~160 |
20~160 Â |
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