Automatic tensile punching machine is the professional sample preparation equipment specialized for hot-rolled, cold-rolled sheet plate’s tensile physical performance test. This product is a new type of punching device and has characteristics of stable, safe, reliable, low noise. Compared with the traditional punching machine, this equipment greatly reduces vibration and noise, which make it applicable to the site where has high environmental requirements. The thickness of the sheet plate punched should be no more than 6mm.