Power Frequency Spot Welding Machine
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DN-35KVA |
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DTN-63KVA |
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DTN-100KVA |
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DTN-150KVA |
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DTN-200KVA |
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DN-20KVA |
| Parameters | DN-35KVA![]() |
DTN-63KVA![]() |
DTN-100KVA![]() |
DTN-150KVA![]() |
DTN-200KVA![]() |
DN-20KVA![]() |
| Rated capacity | 35K VA | 63K VA | 100K VA | 150K VA | 200K VA | |
| Voltage input | 380V/50Hz single phase | 380V/50Hz single phase | 380V/50Hz single phase | 380V/50Hz single phase | 380V/50Hz single phase | |
| Inlet wire | 16mm² | 25mm² | 35mm² | 50mm² | 70mm² | |
| Secondary voltage | 5.2 V | 7.2 V | 8.5 V | 9.7 V | 11.5 V | |
| Max short-circuit current | 16KA | 24KA | 30KA | 36KA | 40KA | |
| Duty cycle | 20% | 20% | 20% | 20% | 20% | |
| Cylinder | φ80 | φ100 | φ125 | φ125 | φ160 | |
| Cylinder stroke | 60mm | 80mm | 100mm | 100mm | 120mm | |
| Max pressure | 2500N | 3900N | 6100N | 6100N | 10000N | |
| Projection platform inner space | 220mm | 110×130mm | 120×130mm | 120×130mm | 150×170mm | |
| Copper bar diameter | φ44mm | |||||
| Projection platform inner space | 220mm | 250mm | 250mm | 290mm | ||
| Holder diameter | φ20mm | φ25mm | φ30mm | φ30mm | φ38mm | |
| Copper bar diameter | φ54mm | φ64mm | φ64mm | φ79mm | ||
| Electrode diameter | φ13mm | φ16mm | φ20mm | φ20mm | φ20mm | |
| Flow of cooling water | 5L/MIN | 6L/MIN | 8L/MIN | 12L/MIN | 12L/MIN | |
| Air source pressure | 0.5-0.7Mpa | 0.7Mpa | 0.7Mpa | 0.7Mpa | 0.7Mpa | |
| Welding ability | Cold plate 2mm+2mm | Cold plate 3mm+3mm | Cold plate 4mm+4mm | Cold plate 5mm+5mm | Cold plate 6mm+6mm | |
| Arm length | 380/580/780mm | 380/580/780mm | 380/580/780mm | 380/580/780mm | 420/650mm | |
| Weight | 165kg | 255kg | 325kg | 420kg | 630kg | |
| Outline size | 880mm×500mm×1450mm | 920mm×530mm×1530mm | 960mm×580mm×1750mm | 960mm×580mm×1750mm | 1150mm×630mm×2000mm |
Our Spot Welding Machine series offers a complete range of reliable welding solutions — from compact bench-top models to high-capacity industrial units. This series includes: DN-20KVA, DN-35KVA, DTN-63KVA, DTN-100KVA, DTN-150KVA, DTN-200KVA Spot Welding Machine.
These machines are designed using proven mains-frequency resistance spot welding technology, delivering stable welding performance and consistent weld quality across a wide range of applications. Spot welding uses a controlled electric current to join metal sheet workpieces by heat generated through resistance at the contact points. Can be equipped with different electrode types, foot pedals, and pneumatic controls to fit specific production workflows.
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