1. Utilizes inverter technology with IGBT dual modules to improve energy efficiency.
2. Reactors and transformers are wound with copper wire for enhanced performance.
3. The actual input current meets the specified value for consistent performance.
4. Compact design, lightweight, high reliability, and excellent welding results.
5. All products support OEM customization to meet specific customer needs.
6. Warranty: One year for the entire unit and PC board, plus 4% of the total value in spare parts for maintenance.
Features:
1. Soft-switch inverter technology with DSP all-digital control, world-leading level
2. Integrated welding expert database, capable of saving 30 sets of self-set parameters
3. Automatic protection against over-current, over/under-voltage, and over-temperature
4. All-digital LCD menu to display functions and data, supports synergic adjustment, easy to operate
5. Supports MMA, TIG spot welding, DC TIG welding, and pulse TIG welding
6. Accurately controls seam back forming, with low heat input
7. Suitable for precise welding of mild steel, stainless steel, and high carbon steel
8. Can be equipped with a cooling water tank upon request
Technical Parameters:
Contents | WSM7-500 | |
Power Source | 3-phase 380V/415V 50Hz | |
Rated Input Capacity | 23.7 KVA | |
Rated Input Current | 36 A | |
Rated TIG Welding Current | 500A | |
Welding Current | 500A 60% DE | |
400A 100% DE | ||
Adjustment Range of Current (A) | 20-500 | |
Efficiency | >85% | |
No-load Voltage | TIG | 40-50V |
MMA | 70-80V | |
Current Up/Down-slope Time | 0-10 S | |
Maintaining Time | 0-10 S | |
Peak/Bottom Current (A) | 20-500 | |
Pulse Frequency (Hz) | 0.25-25 | |
Pulse Duty Cycle (%) | 1-99 | |
Dimensions (mm) | 640×326×560 | |
Weight (Kg) | 65 |
Company Description:
Sichuan Morrow Welding Development Co., Ltd. (MORROW WELDING) is a high-tech enterprise specializing in research, development, production, and sales of IGBT series inverter welding equipment.
We have established the Morrow Inverter Power Research Institute to focus on the research, development, and regeneration of inverter welding machines.
We can develop and produce specialized products tailored to the unique requirements of our customers.
All our products are manufactured under ISO9001:2000 quality management system and hold the "CCC" certificate.
With a business philosophy centered on "Quality First, Performance First, and Service First," we are committed to providing ideal welding solutions for both domestic and international clients.

CNI provides OEM DPSS and diode lasers for light show. Single wavelength in green, blue, yellow, red and multi-wavelength RGB lasers are optional. These lasers are designed with high reliability and ultra compact dimensions, can be perfectly integrated into customers' projectors.CNI can provide supporting photosynthetic perfect system for customers, including engineering drawings, photosynthesis, Laser and other necessary accessories. According to customer demand, to provide high power red, green, blue and other monochromatic laser light combination system. CNI can offer RGB mix solution for customers, you can make full color show lasers at any output power up to 50 watts.
â—†Green Laser
532nm
â– OEM-I-532 / 1~5W
â– OEM-F-532 / 0.3~3W
â– OEM-N-532 / 3~5W
â– OEM-W-532 / 6~18W
â– OEM-D-532 / 20~30W
520nm
â– OEM-F-520 / 1~800mW
â– OEM-D-520 / 1~3.5W
â– OEM-GD-520 / 3.5~5W
â– OEM-XD-520 / 7~8W
â– OEM-KD-520 / 6~10W
â– OEM-BD-520 / 11~20W
â– MGL-H-532 / 0.5~1.5W
â– MGL-F-532 / 1.5~2.5W
â– MGL-D-532 / 20~30W
â—†Blue Laser
447nm
â– OEM-F-447 / 1~3.5W
â– OEM-D-447 / 4~8W
â– OEM-GD-447 / 9~16W
â– OEM-XD-114 / 17~28W
462nm
â– OEM-GD-462 / 16W
â– OEM-KD-462 / 20~30W
455nm
â– OEM-KD-455 / 30~36W
â– OEM-BD-455 / 40~50W
465nm
â– OEM-F-465 / 1~3W
635nm
â– OEM-D-635 / 1~2W
â– OEM-GD-635 / 3~6W
â– OEM-XD-635/ 7~11W
â– OEM-BD-635 / 15~20W
â– OEM-TD-635 / 25~30W
589nm
â– MGL-F-589 / 1~300mW
â– MGL-N-589 / 300~800mW
â– MGL-W-589 / 800~4500mW
4W/ 6W/ 8W
â—†Red Laser
â—†Yellow Laser
â—†RGB Laser (Multi- wavelength Laser)
RGB-XD
635nm & 520nm & 455nm
635nm & 520nm & 450nm / 10~12W
RGB-KD / 13W
RGB-BD / 15~16W/ 20W
RGB-GD
RGB-FD / 35W
635nm & 520nm & 447nm
Red Diode Laser,Light Show Laser,Green Laser Light Show,4W Blue Laser
Changchun New Industries Optoelectronics Technology Co., Ltd. , https://www.cnioptics.com