Can you still engrave on your hair? That's right, and still use a 10μm end mill for lettering! Sounds incredible, seeing is believing/
The picture shows the process of engraving "KERN ZECHA" with a 10μm end mill on the hair. It is KERN Micro's new generation product KERN Micro HD that challenges this micro-processing and challenges the limit.
The video is not very clear. Take a picture to see the enlarged product:
Speaking of precision machining, we have to mention micro-drills, as shown below:
This is a 0.01mm diameter drill from a Japanese company. In fact, micro-drilling is widely used in precision small hole processing in mobile phones, clocks and other industries. For example, the following video is a processing scene of a drill with a diameter of 0.25mm.
When such a micro-drill is processed, everyone is worried that it will break, even when it is stored and transported. So, how are they processed? Here is the picture for everyone to reveal.
