This machine is designed to continuously sheath the lead cover on the electric cable and for the use of vulcanizing rubber pipe, the machine is the production of special cables, special equipment It consists of lead ingot roller conveyer and loading device, lead flake conveyer, 18 ton lead melting furnace, 10 ton purification maintaining furnace, lead extruder, lead stripping machine, travelling pay-off stand, travelling take-up stand and electrical equipment, No.1 die holder or No.2 die holder. It has the good advantages with compact construction, equithickness of extruded lead pipe, closed lead proceeding system, constant temperature and pressure for lead extruding, lead material saving.