Small hole roundness measurement

Small hole roundness measurement
Introduction examplePrecision Measuring Instruments
Small hole roundness measurement

Roundness analysis


This is the result of roundness measurement by inserting a ball stylus (SA-166) with a tip diameter of φ0.5 mm into a pipe-shaped work with an inner diameter of φ0.7 mm.
By using SA-158, it is possible to measure an inner diameter of φ0.5 mm.

Skinness analysis


By measuring the outer diameter, it is also possible to analyze the Skinness.