One Of High Level Materials Zinc Wire

A hydraulic device for zinc wire processing comprises a base and a protective barrel, the two sides of the base top are fixedly connected with support columns, the top of the support column is fixedly connected with a support plate, the middle part of the bottom of the support plate is fixedly connected with a hydraulic push rod, the bottom of the hydraulic push rod is fixedly connected with a pushing block, the bottom of the pushing block is fixedly connected with a lifting plate, the two sides of the lifting plate are fixedly connected with a lifting pipe, and the lifting pipe is movably sleeved on the outside of the support column. When this device is in use, through the lifting plate and the pressure block move downward, the lifting plate and the pressure block push the protection barrel to move downward, the thrust of the spring makes the collar push the protective barrel to always be able to maintain an upward thrust, when the lifting plate and the pressure block move downward, the top of the protection barrel can always be overlapped with the top of the lifting plate, the processed parts that are located at the top of the processing groove are avoided to pop up with the hydraulic press, so that this device can safely process the metal block that needs to be processed.

1.An annealing process for the production of SPCC steel in a zinc wire annealing furnace belongs to the field of metal heat treatment technology, and the strength and plasticity requirements of the strip can also be achieved with this process method. The method comprises an open flame heating to 630 °C± 20 °C; radiant tubes are heated to 760°C±20°C; The dew point is controlled at ≤-40°C; The radiant tube is insulated at 710 °C ± 20 °C; The dew point is controlled at ≤-40°C; Strip spray cooling to 210±20°C, dew point in Zone 1 of spray cooling section ≤-60°C; Cooling to 160°C±20°C out of the oven and other steps. It can be used on the annealing furnace of the galvanizing line and is suitable for the annealing of SPCC steel grades. It can eliminate the internal stress of steel strip rolling processing, improve the plasticity and toughness of steel strip, and meet the strength and plasticity requirements of the strip with the retreat. The tensile strength of the product is about 380MPa, the yield strength is below 330MPa, and the elongation is greater than 36%. It can avoid the idleness of the galvanizing line production equipment and reduce the depreciation loss of the equipment.

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