GD&T

0218// Can Position Tolerance Larger Than Feature of Size Tolerance?

30 Jul 2019| Guan Boon, Wong Recently I receive a question from New York friend regarding "Virtual Condition/Resultant Condition. I'm...

In this topic, I will discuss about an interesting topic about Straightness. We all knowing Straightness can specify at unit basic. For...

We to knowing that, orientation control ( Angularity, Perpendicularity and Parallelism) always come with implied flatness. We will...

What is wrong in this drawing? In this post, I will discuss one of the most common mistake in positional tolerancing. Back to Y 14.5 M-...

Due to high demand from the audience for GD&T practical calculation, we will have a simple sharing how to use a touch trigger probe CMM...

In this post, we will discussing how gas ballasting work for low vacuum pump and what is the advantages to having gas ballasting and what...

Today, we will discuss about how to measure surface profile with the most basic tools -- Dial Test Indicator. Before we straight to the...

22 Aug 2017 | Guan Boon, Wong In this post, I will share some of my experiences in troubleshooting a vacuum system. The vacuum system I...

26 May 2017 | Guan Boon, Wong Metrology is define as: "the science of measurement, embracing both experimental and theoretical...

"Found an extra countersunk around a drilled hole on those machined parts in production floor. After investigation done by your...