0021// F-test & t-test for flatness control
F-test and t-test are common hypothesis testing use in manufacturing to compare two set of samples' variance and mean. Below is one of...
0020// Flatness with Straightness Refinement
For flat surface with demanding " flatness" in certain direction, designer can use straightness as a refinement to tighten the form...
0019// General Tolerance for Straightness and Flatness -- ISO-2768-2
Do you familiar with table shown below? You can find this table in ISO-2768-2 table 1. This table is general tolerance table for...
0018// Calculate Flatness by Least Square Method
This week, we will discuss how to calculate flatness if points' coordinates on surface are given to you. First assume that we have a...
