Patent ID: 8176793
Filing Date: 2012-05-15
Classification: B23K

Abstract:
1. Method to diagnose a failed weld in a welding process, comprising: monitoring a location of a weld created on a plurality of work pieces; diagnosing said weld as a failed weld based on said location with respect to a closest edge of one of said work pieces; and identifying said failed weld based on said diagnosing; wherein said diagnosing said weld as a failed weld comprises: evaluating said location of said weld with respect to a distance from said closest edge; and diagnosing said failed weld based upon said evaluating; and wherein said evaluating said location of said weld with respect to a distance from said closest edge comprises: comparing said location of said weld to a nominal location of said weld; and diagnosing said failed weld if said location of said weld varies from said nominal location by more than a threshold maximum distance.