2 Definitions and books
2.1 Definitions
Definitions, terms, acronyms
The beginning of wisdom is the definition of terms. Socrates
5 M: Mothe nature, Material, Method, Manpower, Machine (Fishbone or Ishikawa diagram)
5 W: five times Why?
Anomaly: variation compared to what is expected
AV: added value
CC: compliance cost
Conformity: fulfillment of a specified requirement
Control: ensure compliance with the specified criteria
COQ: cost of obyaining quality
Corrective action: action to elimiate the causes of nonconfority or any other indesirable event and to prevent their recurrence
Curative action: action to eliminate a detected nonconformity
Customer satisfaction: tthe top priority objective of every management system
Customer: the one who receives a product
Defect: nonconformity related to a specified use
Dysfunction: deviation in the ability of a functional unit to perform a specified function
Effectiveness: capacity to perform planned activities with minimum effort
Efficiency: financial relationship between achieved results and resources used
ENC: external nonconformity
Failure: variation of an aptitude of a functional unit to satisfy a specified function
FMEA: Failure Mode and Effects Analysis
Gemba: from Japanese, real place, in the field
INC: internal nonconformity
Indicator: value of a parameter, associated with an objective, allowing the objective measure of its effectiveness
Interested party: person, group or organization affected by the impacts from a company
ISO: International Organization for Standardization
Kaizen: from Japanese, kai = change and zen = good (for the better, better), Kaizen = continual improvement
Management system: set of processes allowing objectives to be achieved
Muda: from Japanese, waste
Mura: from Japanese, irregularity
Muri: from Japanese, difficulty
NCC: non-compliance cost
Nonconformity: non-fulfillment of a specified requirement
Non-quality: non-fulfillment of a specified requirement
Organization: a structure that satisfies a need
Poka-Yoké: system allowing the prevention of errors by eliminating the human factor (fail safe device)
PPAP: Production Part Approval Process
Preventive action: action to eliminate the potential causes of nonconformity or any other undesirable event and to prevent their appearance
Problem: gap that must be reduced to obtain a result
Process: activities that transform input into output
Product (or service): any result of a process or activity
QCD: Quality, Cost, Delay
Quality management: activities allowing the control of an organization with regard to quality
Quality: ability to meet requirements
Requirement: implicit or explicit need or expectation
Scrap: treatment of an unrecoverable product
Safety: absence of unacceptable risk
SMED: Single Minute Exchange of Die
SPC: Statistical Process Control
Supplier: the one who procures a product
Top management: group or persons in charge of the organizational control at the highest level
TQC: Total Quality Control
Waste: anything that adds cost but no value
WWWWHHW: Who, What, Where, When, How, How much, Why
In the terminology used, do not confuse:
- anomaly, defect, dysfunction, failure, nonconformity, reject and waste:
- an anomaly is a deviation from what is expected
- a defect is the non-fulfillment of a requirement related to an intended use
- a dysfunction is a degraded function that can lead to a failure
- a failure is when a function has become unfit
- nonconformity is the non-fulfillment of a requirement in production
- a reject is a nonconforming product that will be destroyed
- waste is when there are added costs but no value
- control and optimize
- to control is to meet the objectives
- to optimize is to search for the best possible results
- customer, external provider and subcontractor
- a customer receives a product
- an external provider provides a service or a product
- a subcontractor provides a product or service on which specific work is done
- effectiveness and efficiency
- effectiveness is the level of achievement of planned results
- efficiency is the ratio between results and resources
- objective and indicator
- an objective is a sought after commitment
- an indicator is the information on the difference between the pre-set objective and the achieved result
- process, procedure, product, activity and task
- a process is how we satisfy the customer using people to achieve the objectives
- a procedure is the description of how we should conform to the rules
- a product is the result of a process
- an activity is a set of tasks
- a task is a sequence of simple operations
Remark: the customer can also be the user, the beneficiary, the trigger, the ordering party, the consumer.
For other definitions, comments, explanations and interpretations that you don’t find in this module and in annex 06, you can consult:
- ISO Online Browsing platform (OBP)
- IEC Electropedia
2.2 Books
Books related to COQ
When I think of all the books still left for me to read, I am certain of further happiness. Jules Renard
Books for further reading on COQcosts of obtaining quality approach:
- Armand V. Feigenbaum, Total Quality Control, McGraw-Hill, 1951
- Philip B. Crosby, Cutting the Cost of Quality; the defect prevention workbook for managers, Industrial Education Institute, 1967
- Philip B. Crosby, Quality is free, Mentor, 1979
- Kaoru Ishikawa, What Is Total Quality Control?, The Japanese Way, Prentice Hall, 1981
- James H. Harrington, Poor-Quality Cost, Dekker, 1987
- Masaaki Imai, GEMBA KAIZEN, A Commonsense Low-Cost Approach to management, McGraw Hill, 1997
- IATF 16949, Technical Specification - Quality management system requirements for automotive production and relevant service parts organisations, IATF, 2016
- ISO 10014, Quality management systems — Managing an organization for quality results — Guidance for realizing financial and economic benefits, ISO, 2021
Minute of relaxation. Paganini's violin concert performed with facial expressions.