Calibration Fundamentals

Calibration determines the accuracy of measuring instruments by comparing its value to a higher-level measurement standard, usually a working standard gage block. Measurement standards follow a hierarchy consisting of primary, secondary, and working standards. Traceability links these standards together. Measurement uncertainty estimates the accuracy of a measurement. It is the range in which the true value of a measurement is expected to lie. High-accuracy parts require tight tolerances. Tighter tolerances require higher-accuracy measuring instruments. While uncertainty and error exists in every measurement, careful calibration can help to minimize inaccuracy when inspecting parts with measuring instruments. After taking this class, users should be able to explain how calibration and traceability impact the use and care of inspection devices.


Course Objectives:

  • Describe the main purpose of calibration
  • Describe how tolerances and variation impact the necessity of calibration
  • Explain why calibration requires measurement standards
  • Identify the hierarchy of measurement standards
  • Describe the ISO 9000 calibration requirement
  • Define traceability
  • Describe the role of working standards
  • Define measurement uncertainty
  • Distinguish between uncertainty and error
  • Distinguish between random and systematic errors
  • Describe how gage blocks are used in calibration
  • Explain the importance of regular calibration
  • Identify the key factors that affect calibration.


Recommended Background

  • Recommended for Manufacturing personnel, including technicians, engineers, and managers
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Course ID

TU030

Skill Focus

Smart Business

Instructor(s)

ToolingU

Employee Type

New Applicants,1st level Supervisors, Operations teams

Method of Delivery

Digital

Estimated Effort

1.5 hrs

Cost

Negotiable


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