... 2.Easy to operate 3.Quick heating portable high frequency quenching saw blade machine Detail features 1.The lock-in technique using ... MOSFET devices and a unique variable flow control inverter, high frequency, small size, weighing only 18 kilograms. 4. ... power unit(mm 3)260x600x540mm³Application1,Hard alloy saw blade welding2,Diamond saw blade welding3,Coal,geological drill bit welding4,Grinding tools, ...