Manufacturing Process Reliability Flashcards
6 cards from real CMRP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Manufacturing Process Reliability flashcards as text
What is Six Sigma methodology used for in manufacturing?
Answer: Reducing process variation and defects using data-driven methodology
Six Sigma uses DMAIC and statistical tools to systematically reduce process variation and achieve near-zero defect levels.
What is the purpose of Fault Tree Analysis (FTA) in process reliability?
Answer: To trace logical relationships between component failures and system-level failure events
FTA uses Boolean logic gates to model how combinations of component failures can lead to undesired system events.
What is the concept of hidden factory in manufacturing?
Answer: Rework, scrap, and extra inspection activities that consume resources invisibly
The hidden factory refers to additional effort on rework, scrap, and workarounds not captured in standard metrics.
What is the purpose of Design of Experiments (DOE) in process optimization?
Answer: To systematically vary process factors to find optimal operating conditions
DOE systematically varies multiple process factors simultaneously to efficiently determine their effects on output quality.
What is the role of buffer inventory between process steps?
Answer: To decouple process steps so downtime at one station does not immediately stop adjacent stations
Buffer inventory provides a time cushion preventing a breakdown at one station from cascading to downstream operations.
What does Lean manufacturing's concept of jidoka mean for process reliability?
Answer: Automation with a human touch, where equipment detects abnormalities and stops automatically
Jidoka means building quality into the process by designing equipment to detect abnormal conditions and stop automatically.