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Special Aluminium High Quality Stationary 150Kva Ac Projection Welder Multi Point Spot Resistance Welding Machine for Fuel Tank
Product Introduction:
The welding machine is specially designed for welding the metal ring at the fuel tank mouth. The upper electrode adsorbs the metal ring, and the lower electrode carries the fuel tank shell. After the upper and lower are aligned, 7 fixed convex points are synchronously energized, forming 7 welding points at once, achieving both efficiency and accuracy. The annular electrode ring is quick to change as a whole, suitable for different diameter fuel tanks, balancing specialization and flexibility. The welding cycle runs fully automatically, with only manual loading and unloading required. The operation threshold is low and the output is standardized. Compulsory water cooling and multiple electrical protections ensure the long-term continuous operation, stability, and reliability of the equipment. The welding operation of fuel tank ports with high efficiency, high quality, and low energy consumption can be achieved at a moderate investment cost, which is a practical choice for fuel tank manufacturing enterprises to enhance their capabilities in this process.
Features:
1. The upper electrode adsorbs the metal ring, and the lower electrode carries the fuel tank shell. After the upper and lower electrodes are aligned, 7 fixed protrusions are synchronously energized, and 7 welding points are formed at once. The metal ring is firmly welded to the inner wall of the fuel tank mouth, and the process is targeted and the effect is reliable.
2. The overall quick change design of the annular electrode ring is suitable for oil tanks of different diameters. One device covers multiple specifications of products, balancing the efficiency of specialized equipment with the flexibility of general equipment.
3. The welding cycle is fully automated, with only manual loading and unloading required. The operation threshold is low, and the output is standardized, ensuring batch product consistency without relying on highly skilled welders.
4. The forced water cooling system and multiple electrical protections jointly ensure that the neutral energy of the equipment does not decay during continuous full load operation, and the electrode life and overall reliability are at a high level.
5. The welding operation of the fuel tank mouth metal ring with high efficiency, high quality, and low energy consumption can be achieved at a moderate investment cost, which is a practical choice for fuel tank manufacturing enterprises to enhance their ability in this process.
Detailed Images:

Fixed Convex Point Annular Electrode Assembly: One annular electrode ring on each top and bottom, with 7 fixed convex points on the ring. During welding, the upper and lower circles are pressed synchronously, and power is applied simultaneously at 7 points, forming 7 welding points at once. Internally water-cooled, quick change overall, compatible with different specifications of fuel tanks.

Cylinder: Adopting aluminum alloy cylinder barrel, low damping sealing ring, and light friction ring combination with hydraulic cylinder, the surface is wear-resistant and has a long service life, achieving extremely high dot speed, electrode pressurization, smooth and fast.

Gas Storage Tanks: The projection and spot welding machine is equipped with a dedicated gas storage tank, which is beneficial for reducing welding pressure fluctuations and ensuring stable welding force.

Waterway Components: All waterway components undergo surface treatment to prevent rusting, and waterway drainage is independently discharged to the water tank. Based on the outflow situation, blockages in the waterway can be observed and eliminated.
Welding Test:


Welding Workpiece: Fuel tank shell+metal ring
The workpiece consists of a half section oil tank shell and a matching metal ring. Place the fuel tank shell facing upwards on the lower electrode platform, and press the metal ring onto the upper electrode accordingly. After welding, the metal ring is firmly fixed to the inner wall of the fuel tank opening, meeting the sealing and subsequent assembly requirements.
General Structures:

Technical Parameters:
|
Model Item
|
DN-40
|
DN-63
|
D(T)N-80
|
D(T)N-100
|
D(T)N-125
|
D(T)N-160
|
D(T)N-200
|
|
Rated power At 50%(KVA)
|
40
|
63
|
80
|
100
|
125
|
160
|
200
|
|
Rated primary power(V)
|
380
|
380
|
380
|
380
|
380
|
380
|
380
|
|
Secondary Voltage(V)
|
5.2
|
6.7
|
7.9
|
8.3
|
8.6
|
9.1
|
10.6
|
|
Rated frequency(HZ)
|
50/60
|
50/60
|
50/60
|
50/60
|
50/60
|
50/60
|
50/60
|
|
Max.Short Circuit Current(KA)
|
14
|
15
|
16
|
18
|
20
|
28
|
34
|
|
Max. weld power(KVA)
|
62
|
86
|
170
|
280
|
300
|
330
|
410
|
|
Throat(mm)
|
500
|
500
|
630
|
630
|
630
|
630
|
630
|
|
Max.Froce at electrodes(N)
|
6000
|
6000
|
10000
|
10000
|
10000
|
12000
|
12000
|
|
Working stroke(mm)
|
20
|
20
|
30
|
40
|
40
|
50
|
50
|
|
Cooling Water Consumpion 2.5bar(L/min)
|
6
|
6
|
8
|
8
|
8
|
10
|
10
|
|
Electrodes tlp(mm)
|
Φ13*45
|
Φ13*45
|
Φ16*45
|
Φ16*45
|
Φ16*45
|
Φ20*45
|
Φ20*45
|
|
Arms(mm)
|
Φ50*150
|
Φ50*150
|
Φ80*220
|
Φ80*220
|
Φ80*220
|
Φ80*220
|
Φ80*220
|
|
Projection Clamping Plate(mm)
|
125*125
|
125*125
|
200*200
|
200*200
|
200*200
|
200*200
|
200*200
|
|
Max.Welding Capaciry(mm)
|
2.5+2.5
|
3+3
|
4+4
|
4.5+4.5
|
5+5
|
5+5
|
6+6
|
Scene Images:


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FAQ:
1. When can you arrange shippment?
The shippment is 15 days after getting deopsit, but customized machines should be more than 25 days.

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