... full load design Small size Elimiantion of high voltage Medium Frequency Induction Heating MachineTechnical Parameter : ModelGYM-250AB (Three phase)work ... as crankshaft, connecting rod, piston pin, chain wheel, aluminum wheel, valve, rock arm shaft, semi drive shaft, ... braze welding of stainless steel flat base, aluminum sheet and tubular electric heating elements of various forms. D. Annealing ...