模様が消える!?金属の超精密極細カットの秘密。
32:58
High precision created by scraping. Mother machine factory tour.
29:54
A thorough comparison of the differences in aluminum workability!
13:06
The process of making a seamless seal stamp. A Japanese seal stamp that costs over $1000 each.
29:14
Spend time and then reduce effort. Jig production.
26:19
Inside a Chinese CNC Factory
24:47
Try cheap tools made in China on a mini lathe!
28:43
SS400 vs S45C, SUS303 vs SUS304 Thorough comparison of the difference in machinability!
16:07