... Probability Plots and Gage R&R Analysis Arrow Diagram (Gantt Chart), Project and Team Charter, CTQ-Analysis, Tree Diagram, Capability Analysis, C ost-B enefit Analysis and Control Chart ... Selection, FM E A /V M E A , Fault Tree Analysis and Tolerance Design Factorial Experiments, Capability Analysis, Regression Analysis, M ultivariate A nalysis, Statistical Testing (ANOVA/ANOM/ t-test/F-test, ... Absence of systematic control Variation in input material Poor chip breaking Soft raw material Material must be formable Chips smear on cage Poor chip breaking Soft raw material Material...