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**Intermediate-Frequency Inverter DC Spot (Projection) Welding Machine**
• The direct pressure mechanism offers excellent servo performance and fast welding speed. The guiding system uses special materials with low friction, and the electromagnetic valve is directly connected to the cylinder to increase action speed, improve beat speed, and reduce air flow loss.
• Long service life and low noise. With adjustable pressure speed, the upper and lower speed of the pressure head can be set freely, reducing the impact on welds. The rising buffer function allows for adjustable ascending and buffering speed, minimizing mechanical impact and extending the lifespan of the cylinder block, while also reducing noise.
• Safe and user-friendly design: High-performance gas circuit filter cups with shields prevent glass fragments from splashing and protect against external impacts. The cups and shields are easy to handle and maintain.
**Customer Case**
| **Model** | **DTB-80** | **DTB-160** | **DTB-240** |
|-------------------|--------------|--------------|--------------|
| Rated Capacity | 80KVA | 160KVA | 240KVA |
| Input Power Supply| 3Φ380V | 3Φ380V | 3Φ380V |
| Inverting Frequency | 1000HZ | 1000HZ | 1000HZ |
| Max Short Circuit Current | 25000A | 35000A | 5000A |
| Load Sustainability | 20% | 20% | 20% |
| Inverting Frequency | 1000HZ | 100HZ | 1000HZ |
| Arm Extension | 500*250mm | 500*250mm | 450*350mm |
| Max Pressure | 6000N | 6000N | 10000N |
| Electrode Stroke | 60mm | 60mm | 60mm |
| Cooling Water Flow| 12L/min | 12L/min | 12L/min |
| Weldability (Aluminum Plate) | 2.0+2.0mm | 3.0+3.0mm | 4.0+4.0mm |
| Weldability (Galvanized Sheet) | 1.5+1.5mm | 2.5+2.5mm | 3.5+3.5mm |
| Weight (kg) | 350 | 390 | 580 |
| Overall Size (mm) | 1105*670*1720 | 1105*670*1720 | 1180*910*2140 |
This intermediate-frequency inverter DC spot welding machine is designed for high precision and efficiency in industrial applications. It is ideal for welding aluminum plates and galvanized sheets, making it a versatile choice for manufacturers looking for reliable and durable equipment. With its advanced control systems and robust construction, this machine ensures consistent performance and long-term reliability. Whether you're working on small-scale projects or large production lines, the DTB-160 model provides an excellent balance between power, accuracy, and ease of use.
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