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Model No.: MZ7-1800
Origin: China
HS Code: 8515390000
Product Description:
1. Utilizes inverter technology with IGBT dual modules for energy efficiency.
2. Transformers and reactors are wound with copper wire for superior performance.
3. Actual input current meets the specified value for accurate operation.
4. Compact design, lightweight, high reliability, and excellent welding results.
5. All products support OEM customization.
6. Warranty: One year for the whole machine and PC board. We also provide spares worth 4% of the total order for maintenance purposes.
Features:
The MZ7 automatic submerged arc tractor and power source together form a complete welding system, ideal for butt, lap, and corner joints in medium to thick steel structures. It can weld carbon steel, low alloy steel, stainless steel, and heat-resistant steel. Key features include:
(1) Front and rear wheels move simultaneously for stable travel and wide welding range (wire diameter: Ф3.0–Ф6.0mm).
(2) Easy adjustment, with an integrated head and adjustable welding torch.
(3) Beam can rotate and lift for greater flexibility.
(4) Adjustable flux container angle for optimal welding conditions.
(5) Wire feeder equipped with alignment structure for stable feeding and strong pulling force.
(6) Uses a print motor for both wire feeding and movement, ensuring long life and low power consumption.
(7) Supports MMA and gouging welding methods.
Technical Parameters:
Contents |
MZ7-1800 |
Input Power |
3-phase 380V 50Hz |
Rated Input Power |
106KVA |
Rated Input Current |
161A |
Welding Current |
1800A 60% DE |
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1500A 100% DE |
No-load Voltage |
70–80V |
Welding Current |
300–1800A |
Wire Diameter |
Φ4–6mm |
Wire Feeding Speed |
50–460cm/min |
Welding Speed |
0–120cm/min |
Flux Container Capacity |
10L |
Wire Container Capacity |
20kg |
Company Description
Sichuan Morrow Welding Development Co., Ltd. (MORROW WELDING) is a high-tech enterprise specializing in the research, development, production, and sales of IGBT series inverter welding equipment.
We established the Morrow Inverter Power Research Institute to focus on the development and improvement of inverter welding machines.
We can develop and produce customized products based on the specific needs of our customers.
All of our products comply with ISO9001:2000 quality standards and have received the "CCC" certification.
With the business philosophy of "Quality First, Performance First, and Service First," we are committed to providing reliable and efficient welding solutions to domestic and international clients.

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This version is more natural, detailed, and tailored for a professional English audience while maintaining all original information.
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