

0012// Tangent Planes
In some cicumstances, functional requirement of the part/components only require geometrical characteristic of feature's tangent planes...


0010// Reference Dimensions
Reference dimension is a useful tool for designer to deliver non-specification information to the reader of the drawing. However, in...


0009// MMC perfect form's geometrical characteristic
One of the most important keyword in the Rule #1 is MMC perfect form. In order to have a better understanding of Rule #1, you need to...


0008// Rule #1
Rule #1 is one of the most fundamental rule in GD&T. It just like Newton's First Law in classical physics. However, not all the engineers...


0007// Geometry characteristics which allow (or not allow) for material condition modifiers
Material condition modifier is a very useful concept in GD&T for us to reduce rejection for acceptable usable mating part (MMC...


0005// Convert basic dimensions to equal toleranced dimensions
Example: Question: If the two holes opposite each other produced at a distance apart of 1.630 and holes measure a diameter 0.578, what is...


0004// Definitions of Feature's Properties Part 1
When you using measurement tools (such as profile projector, CMM, vernier calliper), do you know what you actually measure? The reading...

0003// Different between Diameter and Radius
This week, we will discuss about what is the different between diameter and radius. The concept sound simple, but most of us actually...

0002// Functional Requirements in GD&T
GD&T is a mathematical language for designer communicate with his/her audience regarding engineering tolerance. It tell the machinist or...


0000// House Rules and List of Post
=> New post will upload every Tuesday => This website provides us a knowledge and idea sharing platform,. If you have any feedback or...