1.Application:

CST-50 Impact Sample Notch Projector is designed and developed according to the actual demand of users and 

the requirements of GB/T229-2007 "Metal Charpy Pendulum Impact Test Method" for impact sample notch.

A special optical instrument specially designed for inspecting the notch processing quality of Charpy V-shaped 

and U-shaped impact samples. It uses an optical projection method to magnify and project the measured impact 

sample V or U-notch profile onto the projection screen. 

On the projection screen, the impact sample V and the U-notch standard template are compared to determine 

whether the notched processing of the impact sample is qualified.

2.Technical Parameter: