first go to a 7.5 in. focus lens, it will give you a wider kerf and allow more metal to flow. second, move the focus above the matrl about 2mm and use very low oxy gas pressure about .5 kg. use 1500 watts/80-90% duty. try the freq. at 1300 then 500, 25 ipm as a start point . i'm not too sure how...
you will not make a mistake if you buy from one of the top 5 in the u.s. mitsubishi, amada, trumpf, bystro, mazak. service and post sale support will be critical. be careful anywhere else unless you can rebuild the machine yourself. software is the key, you'll need software that can generate...
