Requirements to Prevent defects - ANSWERS-management commitment
Common & standard measures
full participation
education & training
team work
robust designs
robust process
minimizing variability
Limitations of Inspection - ANSWERS-Human error
almost never get 100% quality product
Quality of MGMT evolution - ANSWERS-Statistical Process Control (SPC)
Total Quality Management (TQL):
deming 14 points (to help company measure quality/production
Quality Systems:
ISO9000(AS9000=Auto Version)
Malcom Baldridge Award
,Six Sigma - ANSWERS-6 deviations accounts for 99.7%
Snapshot of today. This will change.
Goal is to keep within 1.5 standard deviations
Accounts for movement over time
Cost of Quality traditional 4 elements - ANSWERS--internal failure costs (hidden
factory)
-external failure
-prevention cost
-appraisal cost
Internal failure cost - ANSWERS-cost that would dissapear if no defects existed in
the real production prior to shipment to customer
-scrap
-rework
-downtime
-yield losses
-disposition
Avg. "hidden factory" is estimated to be 30% of the total manufacturing costs
External Cost - ANSWERS-Incurred when poor-quality good/services are passed
onto the customer and include:
cost of returns
, warranty cost
MGMT of complaints
Prevention Cost - ANSWERS-relates to all of the activities that eliminate the
occurrence of future defects
Appraisal Cost - ANSWERS-Represents the inspection, testing, measuring and
other activities designed to ensure conformance quality performance
-Want to avoid this shit
House of Toyota (Toyota production system) - ANSWERS-Pillars:
-JIT (just in time delivery)
getting the right amount of product at the right place, at the right time
more about timing
reduces flow time w/ in production
-Judoka
build in quality and prevent defects
highlights cause of problems because production stops right when problem
occurs
eliminates roof of problems
Roof:
lean performance (highest quality, lowest cost, shortest c/t)