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KHB12-80 Tube to Tubesheet Orbital Welding Machine
The KHB12-80 tube to tubesheet orbital welding machine is a specialized arc welding system engineered for precision tube-to-tubesheet joining. This tube to tubesheet orbital welding machine supports tube diameters from 12 mm to 80 mm and accommodates flush, protruding, and recessed joint configurations with both autogenous (fusion-only) and filler-wire welding modes. This tube to tubesheet orbital welding machine is compatible with carbon steel, alloy steel, stainless steel, and titanium alloys; it features an IGBT inverter DC pulse power source, a TIG water-cooled torch with a 16L stainless steel water tank, and an industrial PLC with LCD touchscreen for programmable parameter storage.

Application:

The KHB12-80 tube to tubesheet orbital welding machine is widely used in chemical, boiler, heat exchanger, pressure vessel, pharmaceutical, construction machinery, military, and nuclear power industries.

Parameter:

Advantage





Product highlights of the KHB12-80 tube to tubesheet orbital welding machine:
 

1. Mature Technology with Advanced Engineering – Backed by over 23 years of R&D, the welding head features a compact, lightweight design with an elastic positioning mandrel and three‑point support frame for precise circumferential, axial, and radial adjustment, enabling quick and accurate positioning.

2. Stable and Reliable Performance – Powered by a Panasonic IGBT inverter DC pulse power supply, the system maintains excellent arc stability even at low currents and high speeds. Imported motors and transmission mechanisms ensure smooth head movement and aesthetically pleasing weld beads.

3. 24-Hour Continuous Operation – The TIG water-cooled torch is equipped with a 16L stainless steel water tank, providing sufficient cooling independent of on‑site water pressure, allowing uninterrupted round‑the‑clock production.

4. Easy Operation with Intelligent Control – The programmable control system stores up to 100 welding specifications, each divisible into 1‑16 segments. Operators can be trained quickly without specialized backgrounds; the LCD touchscreen and intuitive remote controller make parameter setup simple and efficient.

5. High Productivity – Delivers 2–3 times higher productivity than conventional TIG welding, significantly reducing cycle times and labor costs while ensuring repeatable, high‑quality weld quality.

6. Car‑Integrated Design for Mobility – The entire system—power supply, control, welding head, and argon cylinder—is mounted on a custom mobile cart, allowing free movement between production sites or within the workshop.

Structure
Parameter
Voltage (3-Phases 50/60Hz) 220/380V
Rated Input Power 13.9kw
Rated input capacity 14KVA
Welding Current Setting Range 8~400A
Filler Wire Speed 0~1500mm/min
Welding speed 50—150mm/min
Capacity of Internal Memory 100 Programmer
Rated load sustained rate 60%
Rated welding voltage TIG welding 22.6V
The rated voltage no-load 70V
Weldable tube diameter 12—80mm
Weldable wall thickness 1—6.5mm
Tube biggest stretch out length 8mm
Tube biggest indentation length 2mm
Current up time 0.1—20S
Tungsten pole adjustable Angle <45°
Pulse frequency 0.5—500HZ
Cooling water pressure 1.2㎏.f/m㎡
Argon gas flow 8—12L/min
Welding Speed 0.5~5rpm
Wire Dia. ¢0.8
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Zhengzhou Kehui Technology Co., Ltd

Email: info@zzkehui.com
Tel.:+86-0371-56576016
Mobile:+86-15633683072
Whatsapp: +86-15633683072
Address:High-tech and development Zone, Zhengzhou, Henan Prov.,China
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