Manual Welding Solutions

In addition to the Ergoline range of pneumatic manual welding solution, ARO innovates by proposing SERVO manual solutions. The Servo technology brings to the manual welding operations all its strong benefits – high performances, cost efficiency, and highest reliability. 

Ergoline Manual Welding Station

Servoline : servo manual welding station

Robotic Welding Solutions

Integrated transformer welding guns have revolutionised robotic assembly lines; tens of thousands of ARO robotic welding guns have equipped the large automotive manufacturing plants for many decades.

Reliable and robust, ARO robotic welding guns are capable of welding at a higher rate of production. Compact and modular, they adapt perfectly to the needs of each application equipped with High performance transformers in AC or MFDC; Non lubricated pneumatic or electric actuators allowing a welding force up to 1200daN electrodes; Standard or special arms according to usage.

Combined with an ARO controller, the robot gun can attain a very high welding current.

3G Modular Robotic Welding Guns

Stationary Welding Solutions

ARO provides solutions to meet spot, seam, butt and projection welding applications. All requirements for these four types of welding are easily met by ARO’s wide range of options in these world class stationary welding machines.

ARO's Heavy Duty Welding Guns

Spot and Mig Mobile Welding

The ARO mobile welding product range was developed with the automotive motor body repair (MBR) market firmly in mind. Since the company’s inception, over a quarter of a million spot welders have been supplied by ARO to the automotive industry. Today, ARO continues to innovate, providing solutions for higher production through the provision of the multi-function equipment and lower operating costs demanded by today’s automotive repair market.

Combining Welding Gun and Controller


ARO have devised and designed a new series of modular bench mounted machines that offer a wide range of possible assembly combinations.

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Ergoline TypeRCFRWGRHG
Design Current55 kA55 kA65 kA
Design Forcemax 1200 daNmax 1200 daNmax 1200 daN
CompatibilityAny RobotAny RobotAny Robot

N Series

Flexible design ,High performance and durability ,Low energy consumption ,Designed for welding quality

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ApplicationSpot Welding
Max. force60 – 200 daN
Max. Current15 kA


M Series

Flexible design ,High performance and durability ,Low energy consumption ,Designed for welding quality

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ApplicationSpot WeldingProjection WeldingSpot Welding
TechnologyMDC / ACMDC / ACMDC / AC
Max. force730 daN740daN970 daN
Max. Current45kA (AC) – 20kA (DC)45kA (AC) – 20kA (DC)50kA (AC) – 20kA (DC)

MOS Series 100kA DC

Flexible design , High performance and durability , Low energy consumption , Designed for welding quality ,Pneumatic or Servo technology

P Series

ARO, worldwide leader in the area of resistance welding has designed this range of medium-power machines to cover the 4 families of resistance welding: projection, spot, seam and butt welding.

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ApplicationSpot WeldingProjection WeldingSeam WeldingButt Welding
ActuatorServo / PneumaticServo / PneumaticPneumaticPneumatic
Max. force740 daN1400 daN480 daN900daN
Max. Current45 kA55kA20 kA25kA


MOS Series

Flexible design ,High performance and durability ,Low energy consumption ,Designed for welding quality ,Pneumatic or Servo technology

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ApplicationSpot / projection weldingSeamSpotSpot / projection weldingSeam
ActuatorServo / PneumaticPneumaticServoServo / PneumaticPneumatic
Max. force2000 – 2400 daN1000daN2000 daN2000 – 5400 daN1500daN
Max. Current100kA (AC) -55kA (DC)27kA (AC)55kA (DC)100kA (AC) – 100kA (DC)27kA (AC)



To satisfy market demands, ARO has extended its range of products by supplying capacitor discharge welding machines dedicated mainly to projection welding applications. This technology works by storing energy in capacitors which on discharging, release the current by very fast pulse. It is possible in this way to produce very high welding currents with a very low supply consumption.

More Details

TYPEK 12 F3000NK 18 F3000NK 18 F4500N
ApplicationProjection / Spot WeldingProjection / Spot WeldingProjection / Spot Welding
TechnologyCapacitor DischargeCapacitor DischargeCapacitor Discharge
Max. force4500 daN3000 daN4500 daN
Welding Current120kA200 kA200 kA
Supply63 A63 A63 A


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