In general, quenching, welding and other processes, the relative power can be selected smaller, the frequency is selected higher; tempering, annealing and other processes, the relative power is selected to be larger, the frequency is selected lower; red punch, hot forging, smelting, etc., need For a process with good diathermy effect, the power is selected more and the frequency is selected lower. Hardware tools 7. Material of the workpiece The relative power of the high melting point of the met...
Updated :2019-11-11