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KH-315A Orbital Welding Machine
It is suitable for straight pipe welding with outer diameter of workpiece Φ3~Φ300mm, for carbon steel, stainless steel, alloy steel and etc. By improving the pressure roller.


Chemical, boiler, heat exchanger, pressure vessel, pharmaceutical, construction machinery, military and nuclear power industries.


Program storage: 1 ~ 100 (welding specification);
program segmentation: 1 - 12 segments.

1. Compatible with 11 types of heads, optional as needed.

2. PLC control system can store up to 100 sets of welding specifications, each group of welding specifications can be divided into 1-12 paragraphs; man-machine interface uses LCD10.1 wide LCD touch screen display, input is simple and convenient.

3. Use OTC DT300PII inverter to control DC pulse power supply, AC220 power supply. The welding efficiency is high, the arc is stable, and the bead is beautifully formed. (Replaceable three-phase 380V welding power supply)

4. Forced water cooling system, equipped with water tank for easy water supply, the machine can work continuously for a long time.

5. Car-integrated design, free to move.

6. The water, electricity and gas interface are easy to connect, and the host can be started with one button.

Clean and polish the nozzle. according to the relevant process to slit a uniform symmetrical standard bevel. The max error limitation is 1mm at nozzle connection part, and spot welding should be done in advance.
Rated input voltage 380V 220V
Rated input capacity 14KVA  
Rated power input 13.2KW  
Voltage allow fluctuating range ±10%  
Phase number Three-phase Single phase
Frequency 50/60HZ
Rated load sustained rate 60%  
Rated welding voltage TIG 22.6V  
The rated voltage no-load 70V  
Welding current adjusting range 315A  
Pulse frequency 0.5-500HZ
Adjusting range 10%-50%  
Argon gas flow 8-12L/min
Wire feeding speed 0.5-1.5/min
Wire filling diameter 0.8/1.0mm
Helicopter speed 0.5-1.5m/min
Built-in memory capacity 100 welding criteria
Welding speed 50-150mm/min
Cooling mode Water cooling
Cooling water pressure 1.2kg.f/m㎡
Weight 95kgs

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Zhengzhou Kehui Technology Co., Ltd

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