Phosphor copper welding rod and preparation method thereof
A welding rod and phosphor copper technology, applied in welding equipment, welding media, manufacturing tools, etc., can solve the problems of environmental pollution in the production process, high cost of silver welding rod raw materials, and environmental pollution of silver welding rod, and achieves low process requirements and brazing rate. High, low environmental pollution effect
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Embodiment 1
[0020] 9208 phosphor copper electrode (black), the specification is straight 500mm, It is prepared with electrolytic copper, phosphorus block and Yunnan tin as the main raw materials. The process flow is as follows:
[0021] Ingredients - melting - mold shaping - heating, machining - cutting - inspection - packaging - delivery
[0022] The preparation process is as follows:
[0023] 1), ingredients: weighing and distributing electrolytic copper, phosphorus block and cloud tin block in proportion;
[0024] 2) Smelting: Add electrolytic copper, phosphorus block and cloud tin block to the intermediate frequency furnace at the same time, and add other solid metals when heated to liquid state;
[0025] 3) Mold shaping: Pour the mixture in the smelting furnace into the mold, and mold it after it cools down;
[0026] 4) Heating and machining: Heat the formed semi-finished product in an electric furnace to 530 degrees Celsius, then put it in a hydraulic press, and extrude it into ...
Embodiment 2
[0043] 9208 phosphor copper electrode (white), the specification is straight 500mm, It is prepared with electrolytic copper, phosphorus block and Yunnan tin as the main raw materials. The process flow is as follows:
[0044] Ingredients - melting - mold shaping - cutting - inspection - packaging - delivery
[0045] The preparation process is as follows:
[0046] 1), ingredients: weighing and distributing electrolytic copper, phosphorus block and cloud tin block in proportion;
[0047] 2) Smelting: Add electrolytic copper, phosphorus block and cloud tin block to the intermediate frequency furnace at the same time, and add other solid metals when heated to liquid state;
[0048] 3) Mold shaping: Pour the mixture in the smelting furnace into the mold, and mold it after it cools down;
[0049] 4), cutting: cutting the extruded electrode into a length of 50cm;
[0050] 5) After passing the inspection, it is packaged as a finished product.
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