If your toughness processed sheet metal easy to crack, such as stainless steel plate. And that the thickness ratio of the notches is 1: 7 or 1: 6 are suitable. <br>V groove width
If you process the plate toughness is not easy to crack, such as stainless steel plate.<br>The ratio of the thickness of the plate to the notch is also 1:7 or 1:6. V-slot width
If the toughness of the sheet you process is not easy to crack, such as stainless steel sheet. The ratio of plate thickness to groove is 1:7 or 1:6.<br>V-slot width<br>