The aluminum profile extrusion press machine plant line can be used for the production process of extruded tin wire. The basic preparations to be started shall be made gradually. The heating temperature of the extruded cylinder shall not be less than 55 ℃ on the rear side, and the position of the die shell shall be 100 ± 5 ℃. If the aluminum alloy with high melting point needs to be moderately increased.
The welding paste used in the production process should be melted outside the aluminum profile extrusion press machine plant line. After the above work is completed, close the outer cover of the welding paste barrel, and then add standard air pressure 2kg to carry out tin wire production. After the operation of the aluminum profile extrusion press machine plant line, first verify whether the extrusion rod is consistent with the management center of the simple body cavity, and take an empty schedule. The start can be announced only after it is confirmed to be accurate. At the same time, it is also necessary to verify whether the rear limit switch is reliable.
When starting the extrusion forming of a round tin ingot, we should pay attention to the extrusion working pressure and wire discharge rate. If the working pressure is ≥ 160kg / cm2 and the angular speed is slow, we should adjust the temperature of the extrusion forming cylinder instead of hard assembly, so as to ensure the high-quality and safe operation of machinery and equipment. Extrusion molding Φ 12mm、 Φ For 9mm thick tin bar, check whether the diameter of the welding aid core meets all normal requirements. If it does not meet the quality requirements, it should be adjusted immediately. The key point of its actual operation is to promote the foreign model film into a large hole and retreat into a small hole.
When the aluminum profile extrusion press machine plant line produces different aluminum alloy products, the storage of different components in the feeding barrel can not be removed and can be extruded continuously. However, the thick tin bars of three new round ingots must be cut off and damaged, and their components must be sampled and analyzed. The production and manufacture can be announced only when they meet the standard. If the hole core of the soldering paste is inclined without the management center or out of roundness when extruding the thick tin bar, the die shell shall be removed to check whether the die shell mouth and die rod are damaged, cracked and bent, otherwise the new die shall be replaced for re production.
In addition, the melting vessel of solder paste on the aluminum profile extrusion press machine plant line should be disassembled and removed on time to eliminate the embrittlement and scaling of deposition, so as to avoid safety accidents such as disconnection of solder paste caused by pipe blockage. When the total amount of solder paste in the vessel is less than 1 / 3, new flux shall be added.
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