Method for rolling rods with 150 square blanks and 165 square blanks through both rough rolling and intermediate rolling

Abstract

The invention discloses a method for rolling rods with 150 square blanks and 165 square blanks through both rough rolling and intermediate rolling. According to the method, six rough rolling mills and four to six intermediate rolling mills are used, wherein no-groove rolling is adopted by the rough rolling mills from t1# to 5#, round hole rolling is adopted by the 6# rough rolling mill, round-oval hole rolling is adopted by the intermediate rolling mills, when five intermediate rolling mills are adopted, the 7# intermediate rolling mill idles, and when six intermediate rolling mills are adopted, the 7# intermediate rolling mill and the 8# intermediate rolling mill idle. According to the method, no-groove rolling is adopted by the racks from 1# to 5#, and the rough rolling hole type and the intermediate rolling hole type are combined into one series; original 12 hole type passes are reduced to 10 passes by changing extending coefficients, the intermediate rolling speed is increased through the speed reduction ratio advantage of the racks from 9# to 12#, and the rotating speed limitation problem is solved; matched rollers of the rolling mills from 1# to 5# are rationalized, and common use of both rough rolling and intermediate rolling is achieved; by adjusting the size and the structure of a sliding guiding and guarding device, all the specifications are in common use. The method has the advantages of being simple, efficient and capable of making replacement easy to perform.

Description

Technical field [0001] The present invention is the field of rolling technology, which involves a method of simply operation, low cost, high production efficiency, and easy replacement of 150 and 165 cubic materials. Background technique [0002] Pole design is a very important task in rolling steel production. The reasonable or not of the hole system, the correctness of the hole design directly determines the production, quality, material rate, and cost of operation and production of the product.Go smoothly.The hole design is unreasonable, which will cause the pore system to be complicated. There are too many types of transitional types, which make the production costs high, there are many types of spare parts such as rolls and defense devices, large consumption, large consumption, large amount of funds, workers' labor intensity intensityLarge, management and operation difficulties, it is easy to cause confusion; and when the variety is replaced, the amount of rollers is large a...

AI Technical Summary

Problems solved by technology

The above conventional rolling methods lead to a wide variety of pass types and guides, and the entire line has a large reserve of process equipment, which takes up a large amount of inventory funds; in order to meet market demand, the bar line needs to be frequently changed, and there are many replacement racks. A lot of time is wasted; there are many series, roll processing (large amount of turning), guide assembly, process adjustment and other workloads are large, which wastes manpower and financial costs; frequent roll changes, too many proofs are prone to slipping and other process accidents, resulting in oversized Inferior waste products; due to the constraints of the series on guides and material shapes, after the bar is multi-segmented and transformed, the speed of the intermediate rolling is limited, which restricts the use of production capacity

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