- Overview
- Products Description
- Company Profile
- FAQ
Basic Info.
Model NO.
WSM-500HD
Frequency Range
High Frequency
Electric Current
DC
Work Form
Host
Type
Argon Arc Welder
Rated Input Capacity
20.4kVA(MMA)/26.3kVA(TIG)
Rated Intput Current
31A(TIG)/40A(MMA)
Rated Output Current
500A(TIG)/500A(MMA)
Rated Output Voltage
30V(TIG)/40V(MMA)
Power Factor
0.81(TIG)/0.84(MMA)
Efficiency
83.9%(TIG)/86.3%(MMA)
Duration of Rated Load
60%
Adjustment Range of Arcinng Current
5-400A
Pulse Frequency
0.2-99.9Hz
Weight
41 Kg
Warranty Period
1 Year
Motor Type
AC/DC Motor
Transport Package
Wooden Box
Specification
640*295*555
Trademark
SHIFENG
Origin
Jiangsu, China
HS Code
851539000
Production Capacity
1000 Set/Sets Per Month
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 |
Nanjing Shifeng welding and cutting equipment Co,.Ltd
Founded in 2014, we are located in Nanjing, China, 300 km from Shanghai. We are a supplier of high quality welding and cutting products in China. We have very rich experience in technical application in the steel structure industry, pressure vessel industry, construction machinery industry, heavy machinery industry, and can provide customers with more perfect and effective welding and cutting solutions. Since its establishment, the company has served more than 1000 professional customers, in the development of new technologies, new processes at the same time, reduce the production cost of customers, in order to meet customers for better service and more cost-effective welding and cutting needs. Established in 2014, the company launched a series of automatic welding equipment products: automatic submerged ARC welding center, welding roller frame, welding position-changer, gantry automatic welding machine, steel structure erection machine, steel structure straightening machine and welding machine series products: MMA/ARC welding machine, MIG/MAG welding machine, TIG welding machine, MZ submerged ARC welding machine, stud welding machine, plasma cutting machine.
In 2018, the company established cutting machine parts Department and launched plasma cutting parts products: SFJX100 series, SFJX200 series, SFJX300 series, SFJX300 water mist series, SFJX400 series, SFJX600 series, SFJX320 series, SFJX440 series, SFHY300B series, SFHY300B water mist series, Huayuan plasma cutting machine accessories.
In 2020, the company established the welding car department and launched the automatic welding car series: fillet welding car, all-position welding car, vertical welding car.
Shifeng company hopes to become a global supplier of high-quality welding and cutting products through timely and perfect pre-sale, sale and after-sales service.
Welcome to China and hope to be your long-term partner in China.

Q1:How is your warranty terms for the product ?
A: We offer 1 year warranty for the whole machine.Meanwhile, we provide online technical support.
Q2:How can you ensure the quality ?
A: Always a pre-production sample before mass production.100% final inspection before shipment.
Q3:How can I choose the most suitable machines ?
A: Please tell me your requirement or welding material and thickness of welding material, we can choose the most suitable machines for you, or you can choose the exact model.
Q4:Can you send me the video to show how the machine works ?
A: Certainly, we have made video of every machine.
Q5: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.
Q6:What is your trade terms ?
A: FOB, CFR and CIF all acceptable.
Q7:What's the shipping method ?
A: International express and sea transportation, Depend on customer.
Q8: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.