Taguchi Method Applied to a Heat Treatment Process for Steel Sean Gant Jay Lee.

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Presentation transcript:

Taguchi Method Applied to a Heat Treatment Process for Steel Sean Gant Jay Lee

Level 1Level 2 Temperature oCoC Quenching Rate35140 o C/s Cooling Time1300s Carbon Content16wt% C CO 2 Concentration520% EXAMPLE Heat treatment process used to harden steel components

OBJECTIVE Determine which process parameters have the greatest impact on the hardness of the steel components

ARRAY SELECTION 5 process parameters + 2 Levels = L8 Array ExperimentP1P2P3P4P5P6P

Experiment Carbon Content (wt% C) Quenching Rate ( o C/s) Cooling Time (s) CO 2 Concentration (mol %) Temperature ( o C)

RUNNING EXPERIMENTS Run 4 trials for each experiment ExperimentT1T2T3T

Taguchi EquationsSample Calculations for first experiment

ExperimentP1P2P3P4P5SN

Table of the average SN value for each factor Δ = Max – Min The Parameter with the highest value of delta is the most important parameter to investigate (P2 – Quenching Rate) LevelP1P2P3P4P Δ