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    Industry News

    Finishing Mill Main Features

    Author : hani        Time : 2019/08/02

    Finishing mill is the most important and key equipment in high-speed wire rod mill production line. The technical performance of finishing mill marks the equipment level of high-speed wire rod mill production line. It is very important for the quality of finished products and the smooth commissioning and production of the whole production line.

    The main features of the finishing mill are as follows:

    (1) The “V” shape 45-degree top-crossing arrangement reduces the height of the cantilever of the frame compared with 45-degree side-crossing. Therefore, the unit has a low center of gravity, good stability, small tilting moment, low vibration, low noise, and lightweight, which is more conducive to high-speed operation.

    (2) Combining the speed-increasing box and the speed-dividing box into one, the structure is simpler and the weight of the equipment is reduced.

    (3) The roller box is changed from the original casting bell cover roll box to the forging panel and insertion roll box structure, which makes the disassembly of the roller box more convenient; the required fluids, such as oil, water, and gas, enter their respective parts through the drilling holes in the panel, reduce the pipes exposed around the roll box, and facilitate accident treatment; and improve the structure of the bevel gearbox. Conditions have been created.

    (4) Improving the seal of the roll neck, adding an eccentric plate at the seal to make the center of the seal ring coincide with the center of the roll all the time, so as to reduce the wear of the seal ring and improve the service life of the seal ring.

    (5) Selecting 8+4 high-speed wire rod finishing mill and finished product rolling mill is the most advanced layout of wire rod finishing mill in the world. From the point of view of production technology and operation, it also has the following characteristics: low temperature rolling and temperature controlled rolling can be realized, the final mechanical properties of products can be improved, and the dimensional accuracy and surface quality of products can be improved. The dimension tolerance of the product is guaranteed to be (+0.1 mm) (within 5.0-20 mm). Simplify the pass system, reduce the number of rolls and guide, reduce the time of changing pass, and improve the mill operation rate. It can produce wire with a smaller size, and the minimum can reach 5.0mm. It can roll steel freely and supply wire of required size according to customer’s requirement.

     

    finishing mill

     

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