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PLC Control tube sheet welding machine Automatic digital IGBT inverter tig welder

About us

Kehui technology was organized in 1996, as the leading company in the welding and heat treatment field. It concentrates on providing solution and recommendation to clients, hence, we attempt to customize our product relates to clients’ requirements. By the rich experience in such area, we may design and produce various type of product, such as tube-tube and tube-tube sheet, and other type automatic welding machine which successfully be used in petrochemical, manufacturing and boiler industry.

Products Application

Applicable industries

Petroleum, pressure container, shipbuilding, food machinery, etc

Applicable scope

Tube -- tube plate welding with the pipe outer diameter 8mm - 80mm of carbon steel, alloy steel, stainless steel, copper and copper alloy, titanium alloy .

Applicable products

Boiler, pressure vessel, heat exchanger, etc

Parameter of weld head
Suitable Diameter	8-80 mm
Weldable wall thickness	0.5—6.5 mm
Welding Speed	0.5~5 rpm
Filler Wire Speed	0~1500 mm/min
Tube biggest stretch out length	10 mm
Tube biggest indented length	2 mm
Wire adjustable Angle	<45°
Welding speed	0.1—1.5 m/min
Tungsten pole adjustable Angle	<45°
Parameter of gantry beam
Lateral movement trip	1500 mm
Vertical motion stroke	1200 mm
Axial movement trip	300 mm
Transverse fine-tuning	40 mm
Vertical fine-tuning	60 mm
Axial fine-tuning	100 mm
Weight of gantry beam	410 kg

Parameter of power supply
Brand	Panasonic(modified)
Rated input voltage	380 V±10%
Rated input capacity	14KVA
Rated input power	13.2KW
Voltage allow fluctuating range	380 V±10%
Phase number	Three phase
Frequency	50/60 Hz
Rated load sustained rate	60% or 100%
Rated welding voltage	TIG welding 22.6 V
Rated no-load voltage	70 V
Weldable tube outer diameter	12-80 mm
Weldable wall thickness	1~6.5 mm
Tube maximum reach length	8 mm
Tube maximum retractive length	2 mm
Welding current adjusting range	4~400 A
Pre-flow time	0.1~20 s
Post-flow time	0.1~20 s
Pulse frequency	0.5~500 Hz
Duty cycle ratio adjusting range	10%~50%
Argon gas flow	8~12 L/min
Advance send gas time	1~20 s
Lag send gas time	1~20 s
Feeding wire speed	0.5—1.5/min
Filling wire diameter	0.8/1.0 mm
Built-in memory capacity	99 welding criteria
Cooling water pressure	1.2 kg.f/ m3

Parameter of Control system
Control method	PLC
Display	Digital display
Screen touch	Resistive screen
Built-in memory capacity	100 groups of welding standard
Input Interface	English

Function:The power supply/control system supplies and controls the welding parametersaccording to the specific weld program created or recalled from memory..The specific weld program ( can store 100 groups)are setup by our engineer according to your welding situation.

You also can setup your weld specific program through resisitive touch screen. Our machine can tore 100 groups of weld parameter.The sreen pictures are display as belows:

Product function and characteristics

1.Suitable for various kinds of tube— tube plate welding

2.3D frame which is fabricated according to adjust with a fifth dimensional tuning, suitable for small pipe diameter of intensive heat exchanger welding,

3.The welding head can do 180 degree rotation,whichis convenient toreplace thetungsten pole and adjust the length of wire.

4.Weld head can docontinuous rotary, cooperating with automaticarc length adjustment, which can realize multilayer welding,

5.The spindle nose adopts water-cooled positioning to avoid pipe head meltedin the flow, weldingmolding beauty,

6.Driving and wire used stepping motor system, the nose reliable,

7.Adopting PLC control system, command nicety, strong anti-jamming capability

8.Friendly human-machine interface adopts LCD touch screen, all English input simple, intuitive operation, convenient,

9.By Panasonic IGBT inverter control dc pulse power, high efficiency, arc welding strong stability, weld bead molding beauty,

10.Compulsory water-cooling systems, equipped with 16 liters stainless steel water trough, do not suffer site conditions, such as water pressure cooling fully, reliable convenient!

Applicable picture

Quality certificate and Patent