Abbreviations in the Field of Quality and Six Sigma

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Here is a list of common abbreviations in the field of quality management and Six Sigma, organized alphabetically:

5S: A lean methodology for organizing and maintaining a clean, efficient, and safe work environment, which stands for Sort, Set in Order, Shine, Standardize, and Sustain.

8D: A problem-solving methodology consisting of 8 disciplines (or steps).

AIAG: Automotive Industry Action Group, a global association of companies in the automotive industry that develops and promotes best practices in quality, environmental management, and supply chain management.

APQP: Advanced Product Quality Planning, a structured process for defining and implementing the steps necessary to ensure the quality of a new product.

ASQ: American Society for Quality, a professional organization for quality professionals.

CAPA: Corrective and Preventive Action, a process for identifying and addressing problems or issues in a process.

CB: Certification Body, an organization that performs audits and issues certifications to organizations that meet specified standards.

CI: Continuous Improvement, a philosophy of ongoing, incremental improvement in the quality of products, processes, and services.

CMM: Capability Maturity Model, a framework for assessing the maturity of an organization's processes and systems.

COQ: Cost of Quality, the total cost of all activities related to the quality of a product or service, including prevention, appraisal, and failure costs.

COPQ: Cost of Poor Quality, the cost of defects and nonconformities in a process.

Cpk: Process Capability Index, a measure of the ability of a process to produce parts within specification limits.

CQI: Continuous Quality Improvement, a philosophy of ongoing, incremental improvement in the quality of products, processes, and services.

CTQ: Critical to Quality, a term used to describe characteristics of a product or process that are most important to the customer.

DFSS: Design for Six Sigma, a methodology for designing processes, products, and services with the goal of achieving Six Sigma quality levels.

DMAIC: A problem-solving methodology used in Six Sigma, which stands for Define, Measure, Analyze, Improve, and Control.

DOE: Design of Experiments, a statistical method for determining the relationship between factors affecting a process and the output of that process.

DPMO: Defects per Million Opportunities, a measure of process quality used in Six Sigma.

DPU: Defects per Unit, a measure of process quality.

FAI: First Article Inspection, a process verifying that a new or modified production part meets specified requirements.

FMEA: Failure Mode and Effects Analysis, a tool used to identify potential failure modes in a process and assess the risk associated with each failure mode.

GMP: Good Manufacturing Practices, a set of guidelines for the production and quality control of pharmaceutical and medical products.

GR&R: Gage Repeatability and Reproducibility, a method for evaluating the precision of measurement systems.

IATF: International Automotive Task Force, a group of automotive industry organizations that develops and publishes quality management standards.

ISO: International Organization for Standardization, a non-governmental organization that develops and publishes international standards.

JIT: Just-In-Time, a lean manufacturing strategy for reducing waste and improving efficiency by producing and delivering products as needed.

KPI: Key Performance Indicator, a metric used to measure the performance of an organization or process against a set of predefined targets.

LCL: Lower Control Limit, a statistical measure used to monitor a process.

LSS: Lean Six Sigma, a combination of lean manufacturing and Six Sigma principles and tools for continuous improvement.

MBNQA: Malcolm Baldrige National Quality Award, a prestigious award presented by the U.S. government to recognize excellence in quality management.

MSA: Measurement System Analysis, a tool used to evaluate the accuracy and precision of measurement systems.

MTBF: Mean Time Between Failures, a measure of the average time between failures of a piece of equipment.

MTTF: Mean Time to Failure, a measure of the average time it takes for a piece of equipment to fail.

MTTR: Mean Time to Repair, a measure of the average time it takes to repair a malfunctioning piece of equipment.

NCR: Nonconformance Report, a document used to report and track deviations from specified requirements or standards.

OEE: Overall Equipment Effectiveness, a measure of the efficiency and utilization of a manufacturing process.

OFAT: One-Factor-at-a-Time, a method of testing the effect of individual variables on a process or system.

PDCA: A continuous improvement methodology used in lean management, which stands for Plan, Do, Check, Act.

PPAP: Production Part Approval Process, a standardized process for obtaining approval of new or modified production parts and processes.

Ppk: Process Performance Index, a measure of the capability of a process to produce parts within specification limits.

QA: Quality Assurance, a set of activities and processes designed to ensure the quality of a product or service.

QC: Quality Control, a process for verifying that a product or service meets specified quality standards.

QFD: Quality Function Deployment, a tool used to translate customer requirements into specific design and production requirements. (also called: House of Quality)

QMS: Quality Management System, a system used to plan, implement, review, and improve the processes and activities that contribute to the quality of a product or service.

RCA: Root Cause Analysis, a process for identifying the underlying cause of a problem or issue.

RPN: Risk Priority Number, a rating used in FMEA to prioritize risks in a process or system.

SIPOC: A tool used to map out the suppliers,  inputs, process, outputs, and customers (SIPOC) aspects of a process.

SMED: Single Minute Exchange of Dies, a lean manufacturing technique for reducing the time it takes to switch between different products or processes.

SPC: Statistical Process Control, a method of using statistical analysis to monitor and control a process to ensure it is operating within specified limits.

SQC: Statistical Quality Control, a statistical analysis method to monitor and control a process to ensure it is operating within specified limits.

TOC: Theory of Constraints, a management philosophy focused on identifying and removing constraints that limit the performance of a system.

TPM: Total Productive Maintenance, a maintenance strategy involving all employees in continuously improving equipment effectiveness.

TQM: Total Quality Management, a management philosophy focused on continuous improvement and customer satisfaction.

UCL: Upper Control Limit, a statistical measure used to monitor a process.

VOC: Voice of the Customer, a term used to refer to the needs and requirements of customers as they relate to a product or service.

VSM: Value Stream Mapping, a tool used to visualize the flow of materials and information in a process, with the goal of identifying waste and opportunities for improvement.

V&V: Verification and Validation, a process for evaluating the quality and performance of a product or system.

WI: Work Instruction, a document that provides detailed instructions for performing a specific task or process.


Posted on December 27, 2022 by  Quality Gurus

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