Defining Process Boundaries and Customer CTQ requirements:
Process Boundaries - Process Start Point: - Un-welded Rolled shell from PFS shop, SWP & WPS of the job.
Process Stop Point: - Welded Shell which is ready for inspection clearance.
Customer CTQ Requirements
The customer data (VOC) revealed that internal customers are mainly affected by low SAW A 101 Boom machine welding process yield. CTQ characteristics are established and a CTQ tree (Fig. 4) is prepared on the basis of the VOC and project objective