The golden ox is singing, the jade tiger is coming to greet the spring. The end of th...

Run-out tolerance, also known as run-out deviation, is a geometric tolerance that set...

Positioning tolerances are divided into coaxial (core) tolerance, symmetry tolerance ...

Pneumatic measuring instrument as a non-contact precision part size measuring instrum...

Position tolerances are divided into directional tolerances, positioning tolerances a...

Before we talked about the shape and position tolerance is divided into shape toleran...

Pneumatic measuring instrument measurement is not accurate? After trying many methods...

No matter how complex any part is, it is made up of many elements. The research objec...

Today is the eighth lunar December, Laba Festival, commonly known as "Laba", in ancie...

In the drawing, the form and position tolerance must be marked with a code, GB/ T1182...