The medium frequency inverter resistance spot welding machine is a cutting-edge piece of welding technology designed to deliver unparalleled efficiency and performance. Renowned for its extensive applications, this welding equipment features compact-sized transformers that generate exceptionally high output energy. The integrated transformer quick welding tongs, specifically crafted for the automotive industry, showcase remarkable benefits. This outstanding performance is attributed to the increase in the welding transformer frequency from the conventional 50/60Hz to a remarkable 1000Hz. This shift significantly reduces the iron core's weight, enhancing overall efficiency. Moreover, the inclusion of a rectifier diode within the secondary circuit of the transformer expertly converts electrical energy into DC power, perfectly optimized for welding applications.
Features
1. The welding current utilizes direct current. This means that the presence of induction and magnetic materials in the secondary winding remains unaffected, ensuring seamless welding performance.
2. To distribute the load of the power supply equipment effectively, the medium frequency inverter point projection welding machine employs a three-phase power supply. This design offers enhanced adaptability, expertly compensating for fluctuations and voltage drops in the power grid, guaranteeing consistent performance.
3. Experience advanced precision and speed in current control; compared to traditional power frequency systems, this technology enables more accurate parameter analysis, leading to superior results.
4. The medium frequency system can adjust the welding current 20 times faster than traditional techniques, offering faster and more reliable welding operations.
5. This welding technology is designed to lower operational costs significantly. It achieves this by conserving energy at every welding point and substantially reducing the welding cycle time, leading to increased efficiency.
6. Energy efficiency is at the core of this machine's design: It is ideally suited for welding thick workpieces and metals with high conductivity, such as aluminum and all variants of galvanized steel plates.
Product Parameters
Model |
MD-10 |
MD-20 |
MD-25 |
MD-40 |
MD-60 |
MD-80 |
MD-120 |
Max. short-circuit current (KA) |
10 |
20 |
25 |
40 |
60 |
80 |
120 |
Rated duty cycle(%) |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
Secondary voltage(V) |
≈9.8 |
≈9.8 |
≈9.8 |
≈11.6 |
≈13.6 |
≈13.6 |
≈13.6 |
Rated power(KVA) |
≤20 |
≤50 |
≤70 |
≤120 |
≤160 |
≤240 |
≤300 |
Electrode pressure(N) |
1200 |
4700 |
4700 |
7300 |
12000/18000 |
12000/18000 |
18000 |
Electrode stroke(mm) |
50 |
80 |
80 |
80 |
100 |
100 |
100 |
Cooling water flow(L/min) |
20 |
24 |
24 |
30 |
50 |
50 |
60 |
Working Samples

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FAQ
Q: Are you a manufacturer or integrator?
A: We are both a manufacturer and an integrator.
Q: Can you customize the machine?
A: We support OEM/ODM service and can customize the machine according to your requirements.
Q: How long is your warranty period?
A: We offer a one-year warranty, except vulnerable and consumable parts.
Q: What certifications do the welding machines hold?
A: Our machines are certified with CE and ISO standards.
Q: Do you support after-sales service overseas?
A: Yes, we support after-sales service online and offline.
Q: How long is the delivery time?
A: Delivery time for standard machines: 7-15 working days
Delivery time for customized machines: According to the degree of customization, about 1-3 months
Q: What is the payment terms?
A: We ship with full payment, and we can negotiate payment terms.