Front

Control charts

Back

A graphical means of analyzing trends in part variation to predict consistency and guide adjustments in manufacturing.

Front

Inspection plan

Back

A quality control guideline indicating dimensions to inspect and tools to use during inspection.

Front

Mean

Back

The average of a group of numerical values.

Front

Process plan

Back

A strategy of steps needed to perform a machining operation.

Front

Quality Assurance (QA)

Back

An overall view, commitment, or plan for meeting customer demands.

Front

Quality Control (QC)

Back

The actions of inspecting machined parts to ensure tolerances are met.

Front

R-chart or range chart

Back

A graphical representation showing the range of sizes of each sampling at any given time.

Front

Range

Back

A value calculated by subtracting the smallest dimension from the largest in sampling measurements.

Front

Sampling plan

Back

A guideline stating how many parts should be inspected from a batch or during a time period.

Front

Statistical Process Control (SPC)

Back

A sophisticated inspection method for tracking variation in machined parts.