
Computer Aided Production Engineering for Arc Welding Processes
The global acquisition of Tecnomatix by software development giant UGS
has seen its local representative, plm, armed with powerful new software for
production line arc welding and process simulation.
RobCAD/arc (RobCAD), one of the brands within the Tecnomatix suite of
complete digital manufacturing solutions, can accurately handle digital
simulation of factory layouts, new product lines, balance lines (for
optimised numbers of products), and many other aspects of production even
before any physical layout is become.
Furthermore, on the production line itself, RobCAD is used for all
designing, analysing and offline programming of arc welding processes for
best economics and manufacturing accuracy.
In North America, auto manufacturers are using RobCAD to simulate robotic
lines on the manufacturing floor and create optimal arc welding programs
easily and quickly, design work cell layouts, and create robot programs
interactively.
For example, the product can automatically configure a gantry to be at
the best position so that the robot can weld a seam without collisions.
RobCAD is also addressing the particular needs of shipyard and bridge
constructor panel shops where one-of-a-kind production requires
exceptionally fast generation of new programs.
The product can be used for testing and completing a production line in
the digital domain without actually making anything. It also does this with
robotic lines.
On the shopfloor itself, RobCAD can take 3D CAD models and will create
workflow showing how long the job would take, and how much speed each
robotic weld requires.
Its powerful capabilities will generate a robot program simply by the
push of a button.
Any company making anything in a production environment can simulate
changes without costly trial and error.
CAD specialist at plm, Mr John Belsham, says traditional programming of
arc welding robots requires hours of work where production lines are stopped
and expensive equipment remains unproductive.
"RobCAD revolutionises the task by allowing the creation of a 3D
graphics virtual manufacturing environment within which the operator can
design, simulate, analyse and offline program arc welding processes quickly,
efficiently and without stopping production.
"RobCAD allows direct access to product data residing in system such
as Pro/ENGINEER, CADDS5, CATIA, and Unigraphics NX.
"This unique technology saves duplication or translation of data.
Changes made to the master model are immediately reflected in the RobCAD
cell.
"It interfaces with other CAD systems and allows process designers
to work concurrently with the product designers."
RobCAD enables users to:
Anticipate, detect, and correct production problems before they reach
the shop floor.
Analyse numerous product versions and solutions at no extra cost.
Design and verify tooling.
Reduce dependence on prototypes.
Free up expensive production equipment for more profitable uses Capture
equipment, processes and best manufacturing practices, so that they are
available for future projects
Reduce time to market and manufacturing costs
"For Australian manufacturing plants, this product is making trial
and error a thing of the past. For robotic plants, arc welding has never
been more efficient and more accurate," said Mr Belsham.

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