, the smelting furnace can be replaced by an induction furnace to smelt. the dissolution rate of the recarburizer can be effectively increased by times, and the intermittent melting of the induction furnace and the high melting temperature are more. it is beneficial to improve the use of recarburizers...
that heats metal gun parts to rustproof and impart decorative nonreflecting blue finish: sprays parts with steam to remove grease, grit, and dirt. ) places parts in barrel of gas furnace and covers parts with mixture of bone chips and whale or pine tar oil. ) closes furnace door and moves lever to rotate...
, such as billets, bars, plates and rods, preparatory to forging, following work order specifications: reads dials and gauges, and turns knobs to regulate flow of fuel or electric current to verify and maintain specified temperature within furnace. ) positions stock in furnace, using tongs or chain hoist...