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Industrial Automation & Intelligence Solutions

Stock Code：831045

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KHGT Pipe To Pipe Butt Welding Machine

The KHGT pipe-to-pipe butt welding machine is designed for high-precision butt welding of pipes with diameters ranging from 19–80 mm. It is suitable for materials such as carbon steel, stainless steel, and alloy steel. The machine consists of a welding power source, control system, cooling system, wire feed mechanism, and welding head workstation. It features oscillation current control (OSC) and arc voltage control (AVC) functions, effectively eliminating manual operation errors. It utilizes a PLC intelligent control system and a touchscreen human-machine interface, and can store up to 100 welding programs, enabling fully automated intelligent welding.

Application:

The KHGT pipe-to-pipe butt welding machine is widely used for pipe prefabrication and assembly welding in high-purity welding applications such as the food, pharmaceutical, semiconductor, energy, and precision manufacturing industries.

Advantage

Advantages of the Kehui pipe-to-pipe butt welding machine:

1.High-precision control: Built-in OSC (oscillation control) and AVC (arc voltage control) systems enable automatic weld tracking and uniform weld penetration.

2.Fully automatic operation: PLC control and a touchscreen interface store 100 welding programs for ease of use.

3.Forced water cooling system: A 16L stainless steel cooling water tank ensures continuous welding for extended periods, unaffected by external water pressure.

4.Lightweight structure: Key welding head components are constructed of aviation-grade materials, ensuring low weight and high-temperature resistance.

5.Reliable drive: A stepper motor precisely controls wire feeding and drive, adapting to a variety of groove and pipe connection methods.

Parameter

Welding head working station

Model	KHGT-T-C-80	KHGT-T-H-80	KHGT-T-M-80
Welding method	cold wire TIG	hot wire TIG(as option)	TIG+MIG(as option)
Tube diameter	19-80mm	19-80mm	19-80mm
Normal tube thickness	1.5-8mm	1.5-15mm	3-15mm
Welding speed	0.1-5rpm 80-150mm/min	0.1-5rpm 250-400mm/min	0.1-5rp 250-400mm/min
Wire feeding speed	0-3000mm/min	0-8000mm/min	TIG:0-3000mm/min MIG:0-15000 mm/min
Wire diameter	0.8,1.0,1.2mm	0.8,1.0,1.2mm	0.8,1.0,1.2mm
Adjustable angle	＜90°	＜90°	＜90°

Swinging function

Biggest swing range	10mm	10mm	10mm
Swing speeds	0.5-10mm/s	0.5-10mm/s	0.5-10mm/s
Around retention time	0.1-10s	0.1-10s	0.1-10s
Swing frequency	0-5HZ	0-5HZ	0-5HZ

Automatic arc length control

Arc length adjustment speed

2.5mm/s

Power source and control system

Rated input voltage	380V±10% 3 phases, 50/60Hz
Rated input capacity	13.9KVA
Rated power input	13.2kw
Voltage allows range	±10%
Load sustained rate	400A 60%
Load sustained rate	250A 100%
Rated load voltage	25V
Rated voltage no-load	70V
Welding current adjusting range	4-400A
Current rise time	0.1-25S
Preheating time	0.1-25S
Current decrease time	0.1-25S
Pulse frequency	0.5-500HZ
Argon gas flow	8-12L/min
Built-in memory space	100 groups of welding programs
Each set can be segmented number	1-12 section
Cooling voltage	1.2kgf/mm

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Industrial Automation & Intelligence Solutions

Application:

Parameter:

Advantages of the Kehui pipe-to-pipe butt welding machine: