WSM-500HD
Air Cooling
Vertical
High Frequency
DC
Host
Argon Arc Welder
20.4kVA(MMA)/26.3kVA(TIG)
31A(TIG)/40A(MMA)
500A(TIG)/500A(MMA)
30V(TIG)/40V(MMA)
0.81(TIG)/0.84(MMA)
83.9%(TIG)/86.3%(MMA)
60%
5-400A
0.2-99.9Hz
41 Kg
1 Year
AC/DC Motor
SHIFENG
Wooden Box
640*295*555
Jiangsu, China
851539000
Product Description
WSM-400/500HD inverter DC pulsed argon arc welding machine
Main feature
Digital, inverter technology, full function, good performance, high reliability, accurate control
High load duration, suitable for heavy industry heavy load work
All parameters for TIG and MMA welding can be preset, stored and invoked prior to welding
Excellent hand welding function
Complete protection and indication function
Independent adjustment of pulse parameters, more suitable for sheet welding, to meet higher forming requirements
Product application
Mainly used for stainless steel, low carbon steel, high strength steel, copper and its alloys and other materials welding
Widely used in aerospace, locomotives, ships, pressure vessels, petrochemical, motorcycle, bicycle, thermal power, hydropower and other fields
Main feature
Digital, inverter technology, full function, good performance, high reliability, accurate control
High load duration, suitable for heavy industry heavy load work
All parameters for TIG and MMA welding can be preset, stored and invoked prior to welding
Excellent hand welding function
Complete protection and indication function
Independent adjustment of pulse parameters, more suitable for sheet welding, to meet higher forming requirements
Product application
Mainly used for stainless steel, low carbon steel, high strength steel, copper and its alloys and other materials welding
Widely used in aerospace, locomotives, ships, pressure vessels, petrochemical, motorcycle, bicycle, thermal power, hydropower and other fields


Main technical parameters
Project name | unit | Model number | |||
WSM-400HD | WSM-500HD | ||||
Argon arc welding | Manual welding | Argon arc welding | Manual welding | ||
Input power supply | V/Hz | 3~380±15% 50/60 | |||
Rated input capacity | KVA | 15.8 | 20.4 | 20.4 | 26.3 |
Rated input current | A | 24 | 31 | 31 | 40 |
Rated output current | A | 400 | 400 | 500 | 500 |
Rated output voltage | V | 26 | 36 | 30 | 40 |
Rated no-load voltage | V | 76 | 76 | 84 | 84 |
Power factor | - | 0.84 | 0.82 | 0.81 | 0.84 |
efficiency | - | 83.1% | 85.9% | 83.9% | 86.3% |
Duration of rated load | - | 60% (40ºC) | |||
Adjustment range of arc starting current | A | - | 0~200 | - | 0~200 |
Thrust current adjustment range | A | - | 0~200 | - | 0~200 |
Current slow up time adjustment range | S | 0~10 | - | 0~10 | - |
Current slow down time adjustment range | S | 0~10 | - | 0~10 | - |
Pre-gas time adjustment range | S | 0~10 | - | 0~10 | - |
Delay the cut-off time | S | 0~20 | - | 0~20 | - |
Adjustment range of arcing current | A | 5~400 | - | 5~500 | - |
Output current adjustment range | A | 5~400 | 5~400 | 5~500 | 5~500 |
Pulse peak current adjustment range | A | 5~400 | - | 5~500 | - |
Pulse base value current regulation range | A | 5~400 | - | 5~500 | - |
Pulse frequency | Hz | 0.2~99.9 | - | 0.2~99.9 | - |
Pulse duty cycle | - | 5~95% | - | 5~95% | - |
Adjusting range of arcing current | A | 5~400 | - | 5~500 | - |
Power cooling system | - | Air cooling | |||
Insulation class | - | Grade F | |||
Case protection class | - | IP21S | |||
verall dimensions (L × W × H) | mm | 570*295*555 | 640*295*555 | ||
Net power weight | kg | 35 | 41 |

Q: Does the machine have CE certificate?
A: Yes, others certifications also can be sent
Q: What's the shipping method?
A: International express and sea transportation, Depend on customer.
Q: Can I use my own forwarder to transport the products for me?
A: Yes, if you have your own forwarder in China, you can let your forwarder ship the products for you.
Q: What's the Payment method?
A: T/T, L/C and other payment method, Depend on customer.
Q: What is our payment term?
A: We can accept the payment by T/T and Trade assurance.
Q: Can you send me the video to show how the machine works?
A: Certainly, we have made video of every machine.
Q: How can I know your machine works well?
A: Before delivery, we shall test the machine working condition for you. And we warmly welcome you to China for inspection.
Q: How to Place an order?
A: Please kindly send us your order by email, we will confirm the PI with you, we wish to know the below: your details address,
phone/fax number, destination, transportation way; Product information: item number, size, quantity, logo, etc.