... copper, iron, aluminum, galvanized sheet, titanium plates, and so on.6. File format: G-code7, Suitable Software :Fastcam, Ucancam, ... way Contactless arc starting Highly of Z axis Arcing voltage to reset to higher Optional: 1, Different working size:1300X2500MM /1500X3000MM ... or other sizes according to customers’ needs 2, Servo motors and drivers 3, ...