Dr. E. Amine Lehtihet, Ph.D.
Home / Contact Selected Publications Modular Tolerancing Courses
 

  M O D U L A R   T O L E R A N C I N G   C O U R S E   # 1
Course Introduction   |   Course Outline

Click on the outline links below to view sample slides of course material.


PRINCIPLES OF TOLERANCE MANAGEMENT IN DESIGN AND MANUFACTURING

by

E.A. Lehtihet, Ph.D.

    1.   INTRODUCTION TO THE COURSE

      1.1   Objectives and expectations
      1.2   Scope and prerequisites
      1.3   Learning requirements
      1.4   Application project and evaluation

    2.   THE DESIGN / MANUFACTURING RELATIONSHIP

      2.1   Scope of the design function
      2.2   Impact of the design function
      2.3   The manufacturing viewpoint
        2.3.1   Anatomy of a part print
        2.3.2   Impact of material selection
        2.3.3   Impact of nominal geometry
        2.3.4   Impact of dimensioning and tolerancing

    3.   FUNDAMENTAL PRINCIPLES OF TOLERANCE DESIGN


    4.   FUNCTIONAL TOLERANCING TOOLS AND TECHNIQUES


    5.   TOLERANCE MANAGEMENT IN MACHINING

      5.1   Sources of variability in machining
      5.2   Error budgets of dominant machining operations
      5.3   The tool setting tolerance control problem
      5.4   Design and manufacturing datums
      5.5   Change of datum computations
      5.6   Tolerance control in fixturing
      5.7   Conventional tolerance control methodology for sequential processes - Theory and practice
      5.8   Adaptive tolerance control methodology for sequential processes - Theory and practice
      5.9   Tolerance analysis for operation sequencing and process planning

    6.   ELEMENTS OF METROLOGY

      6.1   Fundamental principles in metrology

        6.1.2   The international length standard
        6.1.3   Accuracy and precision
        6.1.4   Hierarchy of measurements and traceability
        6.1.5   Temperature standard and implications
        6.1.6   Abbe error and Abbe principle
        6.1.7   Brian principle
        6.1.8   Error separation using the reversal method

      6.2   Elements of machine tool metrology

        6.2.1   Historical developments
        6.2.2   Rigid body error model for translating axes
        6.2.3   Introduction to laser interferometry
        6.2.4   Application of laser interferometry to error mapping
        6.2.5   Other important measurement tools
        6.2.6   Error mapping and software correction
        6.2.7   Axis of rotation metrology
        6.2.8   Thermal errors and temperature control

      6.3   Elements of discrete part metrology

        6.3.1   Variable and attribute measurements
        6.3.2   Elements of functional gaging
          6.3.2.1   Principles of functional gage design
          6.3.2.2   Application to size control
          6.3.2.3   Application to geometric tolerance control
        6.3.3   The Coordinate Measurement Machine
          6.3.3.1   Principles of operation
          6.3.3.2   Error budget
          6.3.3.3   Application to size control
          6.3.3.4   Application to geometric tolerance control


Penn State
This page has been accessed [an error occurred while processing this directive] times since July 14, 1999.

site design by oxygenesis design / ian cavalier.