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Stock Code:831045

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KHGC Closed Head Pipe Orbital Welding
It can be used for tube outer diameter from Ф3—Ф180mm tube-tube automatic welding at all positions, especially suitable for welding carbon steel and alloy steel alloy steel stainless steel .


Pharmaceutical and chemical industry, food machinery, biological engineering, refrigeration engineering, electronic equipment, etc.


Weight: 1.2-9.8kg;
Pipe outer diameter: φ3mm ~φ180mm;
Protecting air: argon.
1. Double clamping positioning, good positioning effect, no need to locate spot welding, improve welding efficiency.
2. Pulse power supply, closed design of the welding head, good protection effect, uniform and beautiful weld seam.
3. Lightweight structure design, suitable for assembly site with small space.

a) After completing the welding program setting on the control box panel, place the tube on the positioning cover, close the positioning cover, tighten the rotating sleeve, press the start button on the remote control, start to deliver air in advance, and fill the head cavity with argon.

b) After the gas forms a stable argon gas protection environment, the welder starts to arc, and the current gradually rises from the arcing current to the welding current. At this time, the welding moment does not rotate, and the purpose is to preheat the pipe, and the process can be input through.

c) The rise time parameter is used to control. When a stable molten pool is formed on the workpiece, the torch begins to rotate. During the rotation process, there will be flat welding, downslope welding, overhead welding, upslope welding at some time.

d) This welding machine allows the user to set any segmentation of 1~6 segments within 360° according to the situation, and set them separately. Each section of welding speed, current magnitude and other parameters make the weld as a whole consistent. When the welding torch rtates o365° (the lap angle can be set arbitrarily, the welder enters the attenuation program. At this time, the machine head continues to rotate, and the current gradually decreases from the welding current to the arcing current, forming a weld joint.

e) It can be controlled by entering the fall time parameter. The welding process of the entire nozzle is automatically completed according to the setting procedure after the start button is pressed.

Model KHGC 20 KHGC 34 KHGC 63 KHGC 89 KHGC 114 KHGC180
Weld speed (rpm) 0.6-10 0.6-10 0.3-5 0.1-2.5 0.1-2.5 0.1-2.5
Suitable Dia (mm) 3-20 10-34 12-63 16-89 20-114 51-180
Electrode Dia (mm) 1.6 1.6/2.4 1.6/2.4 1.6/2.4 1.6/2.4 1.6/2.4
Cooling Air Cooling Air Cooling Water Cooling Water Cooling Water Cooling Water Cooling
Main Dimension of Welding Heads(mm)
A 62 92 130 156 204 254
B 35 53 71.5 88 110 130
C 95 135.3 174.5 218 280 340
D 265 300 330 384 446 470
E 20 40 43 43 43 43
F 12.5 24 25.5 26 26 26


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Zhengzhou Kehui Technology Co., Ltd

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Whatsapp: +86-19939283994
Address:High-tech and development Zone, Zhengzhou, Henan Prov.,China
+86 19939283994 +86 199 3928 3994