WeldQAS Production Weld Monitoring
WeldQAS control unit with embedded industrial PC.
Results for each weld are stored and colour coded for pass, warning or fail.
Tolerance envelopes are set up based on real measurements for good welds.
A graphical representation of the actual part can be imported and annotated with weld results.
WeldQAS is a quality control / assurance system for welding production lines. Welding parameters are continuously monitored and compared against preset tolerances. If any parameter falls outside its tolerance, the WeldQAS can feed this back to the user or automation system.
The measurements from each weld are recorded against a weld number and job number which can be set internally or from an external controller via digital inputs. Each weld on a part can be characterised based on the measurements from good weld samples. Tolerance bands can then be set to identify pass, warning and fail criteria for each weld.
A graphical representation of the actual part can be imported and annotated with the results for each weld. This can be displayed on a separate monitor for operators to see which welds need closer inspection or rework. Results can also be sent via digital output to an external control system, allowing for the automation system to react to warnings and failures.
WeldQAS is optionally available with HKS's patented 'Pioneering Fault Detection' (PFD) technology. This uses digital signal processing and higher sample rates to detect welding defects which are not detectable from measurement of the basic parameters.
A range of process sensors are available for use with WeldQAS and with all welding technologies including MIG, TIG, plasma and submerged arc welding, stud welding and resistance welding. These include sensors for welding current, voltage, wire feed, gas flow, temperature, welding speed and distance.
The WeldQAS can be networked via ethernet so that results can be stored remotely and analysed offline for Statistical Process Control (SPC).
Units are available with the capacity to monitor two separate welding systems at the same time, offering an economical solution for twin torch automatic welding systems.
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