Loading Events
This event has passed.

Objectives:

  • Understanding the main error sources in dimensional measurements and knowing the most common methods to minimise them
  • Knowing how to evaluate thermal effects and minimise them based on the measured material and the measurement processes.
  • Being able to take all precautions and measures that are necessary to execute correct measurements in a mechanical workshop
  • Knowing how to identify the most adequate measurement method and equipment when measuring internal and external diameters.

Content:

    • TYPICAL ERROR IN DIMENSIONAL MEASUREMENTS
      – Error due to failure to observe the Abbe condition
      – Error due to imperfect piece alignment
      – Error due to parallax effect
      – Error due to deformations according to Hooke’s law
      – Error due to Hertz deformations
      – Airy points and Bessel points
      – Thermal effects
      – Practical advice to reduce temperature effect on length
      – Maximum permitted error
    • VERNIER CALIPER
      – Measuring with a nonius, internal measurements, external measurements, depth measurements
      – Measures to be taken
      – Examples of faults deriving from usage
      – Measurement errors
    • MICROMETRES
      – Internal diameter measurements
      – Measures to be taken
      – Examples of faults deriving from usage
      – Measurement errors
    • DIAL GAUGE
      – Feeler tips
      – Measures to be taken
      – Usage precautions to avoid malfunctioning
      – Measurement errors
    • HEIGHT GAUGE
      – Measures to be taken
      – Usage precautions to avoid malfunctioning
      – Measurement errors
    • ISSUES WHEN MEASURING DIAMETERS
      – Diameter measurement as a physical segment
      – Diameter measurement as a parameter associated to a circle
      – Circularity error estimation
      – Circularity error estimation through diameter measurements
      – Circularity error estimation through coordinate measurements
Fill out the form to enroll in our course
JOIN COURSES