Page 95 - Soudage

Welding automation

Carriers and gantries

Walltrac Gantrac
This column and boom welding station is designed for the pro- This gantry has rigid legs supported by tacho-controlled bogie
duction of various beam structures, such as I/H and box beams carriages with cable chains to ensure a uniform, stable welding
of tapered and non-symmetrical designs, stiffener sections and speed. The two legs support the gantry beam, which is
the joining of plates and sections. The flexible solution also per- equipped with guides and a rack for the two motorised welding
mits quite a number of other applications to improve productivity carriages. The operator can easily control the welding proce-
and weld quality. dure from the platform mounted on one of the bogie carriages.
The wall-supported manipulator travelling on a single rail is All in all, this is a very sturdy and reliable manipulator solution.
designed for rack-and-pinion drive from the floor-mounted rail. The well-proven A6 welding heads are mounted on rack-and-
An idler wheel support mounted on the column allows the pinion slides with comprehensive working strokes to obtain good
manipulator to travel on a rail support. access to the workpieces. Incorporating the user-friendly, micro-
To ensure a uniform, stable welding speed, the bogie carriage is processor-based PEK, the welding process is safely secured.
equipped with two parallel-connected DC motors. The fixed Automatic joint tracking GMH controls the vertical and horizontal
boom, which has rails and a rack, is equipped with two motor- axes, i.e. the slides and the carriages, to safeguard the superior
ised side-running welding carriages, each carrying a twin-wire weld quality.
sub-arc-welding head. Each welding head is fitted to a servo- Submerged arc welding is the superior method for the applica-
controlled slide which is cross mounted on the carriage via a tions intended for this station.
manually-adjusted vertical boom. Transverse welding with the The flux-handling equipment can be operated conveniently,
speed generated from the side-running carriage is possible, without time-wasting interruptions. At the same time as flux con-
using the outer welding head. sumption is reduced, the workplace is kept clean and free from
The well-proven A6 welding heads incorporating the user- flux spillage.
friendly, microprocessor based PEK are a combination which Advantages: Highly stabilised manipulation of welding torches
safely secures the welding process. Automatic joint tracking with optimised welding results.
GMH controls the vertical and horizontal axes, i.e. the slides and A large number of positioning axes permit flexible beam produc-
the carriages, to safeguard the superior weld quality. tion.
Advantages: Minimal floor working area thanks to the single rail/
wall support. Longitudinal and transverse welding procedures
can be used. A large number of positioning axes permit flexible
welding production.

Ordering information Ordering information
For ordering information please contact your nearest ESAB For ordering information please contact your nearest ESAB
representative. representative.

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