QA/QC

OURSES IN QUALITY CONTROL AND QUALITY ASSURANCE QA/QC .

 

Geometrical Dimensioning & tolerances (GD&T) Fundamentals

TARGET AUDIENCE

This program is designed for anyone who designs, drafts, engineers, purchases, manufactures, estimates, or inspects parts and assemblies. Particular emphasis is placed on those who design and manufacture, and those responsible for quality.

 

AGENDA

• Objectives and basic overview
• History of Geometric Dimensioning and Tolerancing
• Comparison of the \\\\\\\"traditional\\\\\\\" method - Coordinate Dimensioning - to the Geometric Dimensioning approach
• Demonstration of GD&T\\\\\\\'s Strengths and Advantages:
• As a Design Tool
• As a Manufacturing Aid
• As an overall Communications Facilitator
• General Rules of Dimensioning and Drafting per the Standard:
• Tolerance Zones
• Definition
• Comparison to Existing Systems
• GD&T Symbology:
• Definitions of all 14 geometric controls
• Modifiers and other symbols
• \\\\\\\"Bonus\\\\\\\" Tolerances
• Definition
• How to take advantage of them
• Datum shift
• Datum Reference Frames:
• Definition
• Proper Construction and Selection

 

 

 

Precision Dimensional Measurement

 

TARGET AUDIENCE

Production workers, machine operators, inspection personnel, or anyone looking to expand their knowledge of precision measurement technique and tools.

 

AGENDA

This course takes approximately 8 hours to complete.

• Linear Measurements Standards
• Definition of the Meter, Length Standards, Units of Measure
• Measuring Instruments
• Micrometers, Calipers, Types and Accuracies, Selection, Sensitivity, and Accuracy of Measuring Instruments, Absolute and Comparison Measure, Causes of Error and Correction: Temperature, Gage Deformation, Elastic Deformation, Error Analysis
• Gage Blocks
• History, Requirements, Methods of Measuring, Traceability, Uncertainty, Surface Finish, Thermal Expansion, Selection, Precautions, Calibration, Wringing, Types and Characteristics
• Making Angular Measurements
• Clinometers, Sine Bars and tables; Trigonometric functions, Practical applications; Angle gage blocks
• Optical Instruments
• Using the eye as an optical instrument, Hints for making precise optical measurements, Use and principles of Optical flats, Grades, Light Interferometry, Light Interference, Reflection, Calculating surface flatness using interference patterns, Reading flatness error, Care of optical measurement devices, Microscopes, Comparator

 

 

 

 

Measurement Uncertainty Analysis

 

TARGET AUDIENCE

Calibration technicians, quality managers, engineers, quality technicians, and other users of uncertainty budgets.

AGENDA

This course takes approximately 8 hours to complete.

• Introduction
• Measurement Assurance, Measurement Ratios, Unacceptable examples, Accuracy, Precision, Bias, Linearity, Repeatability, Reproducibility, Type A and Type B Uncertainty
• Uncertainty Budgets
• Components, Sources of Uncertainty
• Essentials of Expressing Measurement Uncertainty
• Definitions, Evaluating, Distributions; Uniform, Triangular, Nominal, Combining, Expanded, Examples
• Specification
• Coverage Factors, Confidence Limits Correlation, Reporting Uncert; Manufacturer, User, Capabilities Statement, Traceability
• Risk Analysis Introduction
• Quantification, Consumer vs Producer, Approximation Methods, Measurement; Average Quality Level, Distribution, Bias, TUR, Guardband Limits, Interval Width, Delta Specification Limit, EOP% Intolerance
• Related Statistical Tools
• PMAP, Process Capability, Gage R & R, ANOVA, Models for Measurement Uncertainty Analysis, Sample Plans, Structure of Random Samples, Reverse Standards
• Standards
• s
• Background and list of member organizations NIST-1297, ISO-GUM, NASA
• Software
• Features and Benefits; ISG, Compaq, Dikken, Boeing, Gage R & R
• Features and Benefits
• Statistics, JMP, Minitab
• Summary
• Developing a Company Specific Uncertainty Guide
• Contributors
• AIAG, Raymond Gill, AMETEK - Richardo Nicholas, Boeing - Michael Czech, St. Jude Medical - Warren Wong, Fluke - NIST, NASA - David Dikken, MTL

 

 

 

Introduction to Measurement and Calibration 

 

Any individual working in the quality lab, calibration lab, or supporting the measurement and calibration functions of a lab should attend including technicians, engineers, inspectors, operators, and administrative support personnel.

 

 

AGENDA

This course takes approximately 8 hours to complete.

• Contents
• An easy to access, menu driven curriculum allows the learner to concentrate on the topics specific to their job requirements. For anyone taking measurements, new hires, students or a refresher for technicians. A logon feature and a printed final test result provides required documentation of training.
• Introduction
• Definition of metrology; measurements in manufacturing; measurement in the global marketplace; importance of measurement
• Development and Concerns of Metrology
• Need for better measurements; determine and describe the differences between resolution, accuracy, precision; calibration; Type A Uncertainty, Type B Uncertainty; review questions
• Standards and Standardization
• Working standards, check standards, international standards, levels of standard accuracy ís; accuracy ratio between levels of calibration pyramid: requirements of traceability: metrology standardization documents; review questions
• Managing the Metrology System  
• When a metrology system is needed; components of a metrology system; periodic calibration; determining period, fixed time intervals or other means, measurement assurance; record keeping, categories on a good record keeping form, computer record keeping programs, record stickers; documented procedures; components of a procedure, standardization documents, ISO and QS9000, ANSI Z-540, ISO 25, Malcolm Baldrige, training; components of a training program, records, review questions
• Making Good Measurements: Elements of a Measurement System
• Measuring instrument (calibration); calibration pyramid, relating the instrument to the national standard; unit under test; preparation of the UUT; fixture or jig setup; measuring procedure; operator; analysis of measured data; display of final analyzed result; measurement assurance, isolating errors, capability study, gage R & R; review questions

• Units and Measurement Instruments
• Length; rulers, height gages, optical comparators, micrometer/calipers, metrology laser, others: roundness, squareness, flatness, surface finish, area, volume, Mass: balances (single-pan, dual pan, electronic) Time: electronic counters, atomic clocks, Temperature; thermometers (liquid-in-glass, metallic stem, thermostats, electrical thermometric, thermistors) flow; flowmeters (rotation, pressure drop, positive displacement) electrical quantities; DC voltages (meters), resistance (multimeters), DC current, AC measures, review questions.