Quality is “uniformity and dependability”
Focus on SPC and statistical tools
“14 Points” for management
PDCA method, plan, do, check, act
Quality is “fitness for use”
Cost of Quality
General management approach as well as statistics
Kaizen: Japanese term for continuous improvement. A step-by-step improvement of business processes. DMAIC, define, measure, analysis, improve, control
SQC methods do not prevent defects
Defects arise when people make errors
Defects can be prevented by providing workers with feedback on errors
Special tooling that prevents workers from making errors
Shingo: Idiot proof – Fool proof – Error proof – Fail-safe – Poka yoke
Toyota production system: Taiichi Ohno
Elimination of waste
Respect for people
COMMWIP: Correction, overproduction, motion, material movement, waiting, inventory, processing.
Sort, Simplify, Sweep, Standardize, Sustain
Kanban: signaling device to control flow of material
Cards, Empty containers, lights, Colored golf balls.
Muda, an activity that is wasteful and doesn't add value or is unproductive Andon, a system to notify management, maintenance, and other workers of a quality or process problem Heijunka, the concept of achieving production smoothing
Keiretsu, is a set of companies with interlocking business relationships and shareholding.
King Camp Gillette: disposal of blade
Reduction Effort: Material usage, energy usage, distribution logistics, supply logistics, packaging, toxicity. Project: scope (work breakdown structure, clearly defined boundaries), cost, time.
Alternative crashing method, reduce scope.
SPT (Shortest processing time), minimize average flow time and WIP. EDD (Earliest due date), minimize maximum lateness.
STR (Slack time remaining), both.
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