Single Phase AC Spot / Projection Welder
Single Phase AC Spot / Projection Welder – Efficient Metal Joining Solution
The Single Phase AC Spot / Projection Welder is a compact and efficient machine designed for joining metal sheets and components through resistance welding. Using alternating current (AC) and precise electrode pressure, it creates strong, clean, and repeatable welds suitable for both light and medium-duty fabrication tasks.
This welder is widely used in automotive, electrical, appliance, and sheet metal industries, offering a perfect balance of performance, reliability, and cost-effectiveness. With its rugged frame, high-efficiency transformer, and stable current control, the machine delivers consistent weld quality while minimizing power consumption and maintenance requirements.
Key Features
- Upside insulation is convenient for other device installation. Lowerside accident like short circuit when installing welding jigs can be prevented.
- Epoxy-resin filled transformer ensured the welding quality and reliability.
- Water flow display is installed easy for checking the cooling water condition.
- Vertical type pressure mechanism has the advantage such as high speed, reduced the gas consumable, good following performance, low noise and long life.
- Pressure head up and down speed can be adjusted continuously. It reduced the pressure impact to the work piece and reduced noise also.
- Fast and convenient to switch the double shock of the pressure mechanism.
SPECIFICATION
| Model | Rated Capacity (kVA) | Rated Input | Max Short Circuit Current (A) | Max Welding Input (kVA) | Duty Cycle (%) | Open Height × Depth (mm) | Max Pressure (Kgf) | Electrode Travel (mm) | Water Flow (L/min) | Weight (Kg) | Dimension (W × D × H) mm | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Spot Welder | ||||||||||||
| DN-35SAJ | 35 | 1 Ph, 415V, 50Hz | 13000 | 59 | 17.6 | 200 × 600 | 500 | 20 / 60 | 2 | 255 | 455 × 1100 × 1630 | |
| DN-50SAJ | 50 | – | 19500 | 117 | 9.1 | 200 × 600 | 1000 | 20 / 80 | 3 | 500 | 595 × 1140 × 1765 | |
| DN-70SAJ | 70 | – | 19500 | 120 | 17 | 200 × 600 | 1000 | 20 / 80 | 3 | 510 | 595 × 1140 × 1765 | |
| DN-100SAJ | 100 | – | 33000 | 316 | 5 | 200 × 425 | 1000 | 20 / 80 | 8 | 555 | 595 × 995 × 1765 | |
| Spot / Projection Welder | ||||||||||||
| DTN-35SAJ (Spot) | 35 | – | 16000 | 73 | 11.5 | 170 × 400 | 500 | 20 / 60 | 2 | 255 | 455 × 900 × 1630 | |
| DTN-35SAJ (Projection) | – | – | 19500 | 89 | 7.7 | 170 × 300 | – | |||||
| DTN-50SAJ (Spot) | 50 | – | 22500 | 138 | 6.6 | 165 × 425 | 1000 | 20 / 80 | 3 | 500 | 595 × 965 × 1765 | |
| DTN-50SAJ (Projection) | – | – | 29000 | 178 | 3.9 | 165 × 300 | – | |||||
| DTN-70SAJ (Spot) | 70 | – | 22500 | 138 | 12.9 | 155 × 425 | 1000 | 20 / 80 | 3 | 510 | 595 × 965 × 1765 | |
| DTN-70SAJ (Projection) | – | – | 29000 | 178 | 7.7 | 165 × 300 | – | |||||
| DTN-100SAJ (Spot) | 100 | – | 33000 | 316 | 5 | 165 × 425 | 1000 | 20 / 80 | 8 | 555 | 595 × 995 × 1765 | |
| DTN-100SAJ (Projection) | – | – | 40000 | 384 | 3.4 | 165 × 300 | – | |||||
| DTN-160SAJ (Spot) | 160 | – | 36000 | 362 | 7.9 | 200 × 425 | 1000 | 20 / 80 | 12 | 600 | 610 × 1060 × 1780 | |
| DTN-160SAJ (Projection) | – | – | 43000 | 432 | 5.5 | 200 × 300 | – | |||||
| DTN-200SAJ (Spot) | 200 | – | 42000 | 465 | 7.5 | 200 × 425 | 1800 | 20 / 80 | 12 | 650 | 610 × 1060 × 1905 | |
| DTN-200SAJ (Projection) | – | – | 50000 | 553 | 5.3 | 200 × 300 | – | |||||
| Model | Rated Capacity (kVA) | Rated Input | Max Short Circuit Current (A) | Max Welding Input (kVA) | Duty Cycle (%) | Open Height × Depth (mm) | Max Pressure (Kgf) | Electrode Travel (mm) | Water Flow (L/min) | Weight (Kg) | Dimension (W × D × H) mm |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Spot Welder − | |||||||||||
| DN-35SAJ | 35 | 1 Ph, 415V, 50Hz | 13000 | 59 | 17.6 | 200 × 600 | 500 | 20 / 60 | 2 | 255 | 455 × 1100 × 1630 |
| DN-50SAJ | 50 | – | 19500 | 117 | 9.1 | 200 × 600 | 1000 | 20 / 80 | 3 | 500 | 595 × 1140 × 1765 |
| DN-70SAJ | 70 | – | 19500 | 120 | 17 | 200 × 600 | 1000 | 20 / 80 | 3 | 510 | 595 × 1140 × 1765 |
| DN-100SAJ | 100 | – | 33000 | 316 | 5 | 200 × 425 | 1000 | 20 / 80 | 8 | 555 | 595 × 995 × 1765 |
| Spot / Projection Welder + | |||||||||||
| DTN-35SAJ (Spot) | 35 | – | 16000 | 73 | 11.5 | 170 × 400 | 500 | 20 / 60 | 2 | 255 | 455 × 900 × 1630 |
| DTN-35SAJ (Projection) | – | – | 19500 | 89 | 7.7 | 170 × 300 | – | – | – | – | – |
| DTN-50SAJ (Spot) | 50 | – | 22500 | 138 | 6.6 | 165 × 425 | 1000 | 20 / 80 | 3 | 500 | 595 × 965 × 1765 |
| DTN-50SAJ (Projection) | – | – | 29000 | 178 | 3.9 | 165 × 300 | – | – | – | – | – |
| DTN-70SAJ (Spot) | 70 | – | 22500 | 138 | 12.9 | 155 × 425 | 1000 | 20 / 80 | 3 | 510 | 595 × 965 × 1765 |
| DTN-70SAJ (Projection) | – | – | 29000 | 178 | 7.7 | 165 × 300 | – | – | – | – | – |
| DTN-100SAJ (Spot) | 100 | – | 33000 | 316 | 5 | 165 × 425 | 1000 | 20 / 80 | 8 | 555 | 595 × 995 × 1765 |
| DTN-100SAJ (Projection) | – | – | 40000 | 384 | 3.4 | 165 × 300 | – | – | – | – | – |
| DTN-160SAJ (Spot) | 160 | – | 36000 | 362 | 7.9 | 200 × 425 | 1000 | 20 / 80 | 12 | 600 | 610 × 1060 × 1780 |
| DTN-160SAJ (Projection) | – | – | 43000 | 432 | 5.5 | 200 × 300 | – | – | – | – | – |
| DTN-200SAJ (Spot) | 200 | – | 42000 | 465 | 7.5 | 200 × 425 | 1800 | 20 / 80 | 12 | 650 | 610 × 1060 × 1905 |
| DTN-200SAJ (Projection) | – | – | 50000 | 553 | 5.3 | 200 × 300 | – | – | – | – | – |
Frequently Asked Questions
What you should know
What is a Single Phase AC Spot Projection Welder?
A Single Phase AC Spot Projection Welder is a resistance welding machine used for joining metal components through heat generated by electrical resistance. It is suitable for spot and projection welding applications on materials like carbon steel and stainless steel.
What are the applications of a Single Phase AC Spot Projection Welder?
This welding machine is widely used in industries such as automotive components, sheet metal fabrication, electrical appliances, hardware manufacturing, and metal assembly applications where strong and precise weld joints are required.
What materials can be welded using a Single Phase AC Spot Welder?
A Single Phase AC Spot Welder can be used for welding various conductive metals, including mild steel, carbon steel, stainless steel, and other compatible sheet metal materials depending on thickness and welding requirements.
What are the key features of a Single Phase AC Projection Welding Machine?
Key features include stable welding current control, adjustable pressure head movement, durable construction, easy operation, low maintenance requirements, and consistent welding performance for industrial applications.
How does a Spot Projection Welding Machine improve production efficiency?
A spot projection welding machine improves efficiency by providing fast welding cycles, accurate current control, reduced material distortion, and repeatable weld quality, making it ideal for mass production environments.
Why choose Kaiyuan Single Phase AC Spot Projection Welder?
Kaiyuan’s Single Phase AC Spot Projection Welder is designed for reliable industrial welding performance with advanced control features, robust structure, and optimized weld quality for different manufacturing needs.