Calculation method for checking rolling force and energy of hot-rolled high-speed wire rod
A calculation method and high-speed wire rod technology, applied in metal rolling, metal rolling, manufacturing tools, etc., can solve problems such as unable to meet the multi-stand rolling force parameter calibration
Active Publication Date: 2022-02-22
HUATIAN ENG & TECH CORP MCC +1
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- Abstract
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Problems solved by technology
However, due to the high rolling speed of the high-speed line, the final rolling speed can reach more than 100m / s, and the pure theoretical formula or empirical method cannot meet the rolling force parameters of the multi-stand and multi-hole continuous rolling process.
Method used
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Embodiment 1
[0112] Take the production of Φ4.5mm hot-rolled smooth wire in a high-speed wire factory as an example for calculation. The plant has a total of 6 roughing mills, 6 intermediate rolling mills, 6 (5+1) pre-finishing mills, 10 (2+2+2+2+2) double-module rolling mills and 4 (1+1+2) ) minus sizing machine. The calculation process is shown in the following three tables, where the red numbers are known data. From the calculation results of rolling mill force and energy in Table 3, it can be seen that the rolling mill and motor power equipped in this factory can fully meet the production of Φ4.5mm hot-rolled smooth wire rod.
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The invention discloses a calculation method for checking and calculating the rolling force of high-speed hot-rolled wire rods. The method includes: 1) calculating the basic parameters; 2) calculating the temperature of the rolled piece; 3) calculating the rolling force parameters; the present invention combines the existing theoretical calculation formulas and empirical formulas, and proposes a set of simple and effective parameters through parameter correction. The calculation method of rolling energy can fully meet the needs of checking the rolling energy parameters of ordinary hot-rolled bar production lines, and can provide reference for design planning.
Description
technical field [0001] The invention relates to the field of production of hot-rolled high-speed wire rods, in particular to a calculation method for checking and calculating the rolling force of hot-rolled smooth-faced wire rods and hot-rolled threaded coils. [0002] technical background [0003] At present, the development of high-speed wire rod production technology is mainly aimed at increasing the hourly output of the rolling mill, the combination of no-twist / micro-tension, and improving the dimensional accuracy, surface quality, and structural properties of the product. The rolling mill for high-speed wire rods is mainly composed of a roughing mill, an intermediate rolling mill, a pre-finishing mill, a finishing mill and a reducing and sizing mill, which can produce coils with a minimum diameter of Φ4.5mm. [0004] In the early stage of design planning or transformation of high-speed wire rod production line, it is necessary to check and calculate the rolling capacity ...
Claims
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IPC IPC(8): B21B38/08
CPCB21B38/08B21B2265/12B21B2201/06
Inventor 吴诗阳张向军张焰徐峰卢勇方实年
Owner HUATIAN ENG & TECH CORP MCC
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