... % energy 4:almost no oxide layer MF induction melting furnace for gold Welding alloy tools: alloy turning, milling, planer, saw, ... each tooth 1-5 seconds2, reproducible and have good reproducibility for each tooth3, heating quickly and evenly, can effectively prevent local ... teeth out of negative phenomena , etc4, can be welded high-performance, high hardness, serrated blade, the blade can’t be welded ...