The development of the primary rolling mill has gone through three stages. By the early 1970s, the roll diameter of the mill has increased to 1500mm. Since 1959, China has designed and manufactured the blank opener. At present, 700mm, 750m, 850m and 1150M primary rolling mill have been made. Since 1980s, continuous casting technology has been developed greatly.
Development of rolling mill Read More »
The rolling mill is the key equipment for rolling billets or rolling pieces. It is suitable for non-ferrous metals and ferrous metals. It is widely used in metallurgy, metal processing, building materials and other industries for hot or cold rolling of metal rollable materials.
How to Choose A Suitable Rolling Mill Equipment? Read More »
Roll is a tool to produce plastic deformation of metal. It is an important consuming part to determine the efficiency and quality of rolling mill. Roll is an important part of rolling mill in rolling mill. The pressure produced by a pair or group of rolls is used to roll steel. It mainly bears the influence of dynamic and static load, wear and temperature change during rolling.
Common Problems of Roller Read More »
Among the rolling mill components, the operating conditions of the rolls are the most messy. Residual stress and thermal stress will occur in the preparation process before the roll is manufactured and used. During the working process, it is further subjected to the effects of various periodic stresses, including twists, changes, shear forces, contact stresses, and thermal stresses.
How to Prevent the Hazards of Rolls and Improve Work Efficiency? Read More »
Generally, the process adjustment of the wire rod mill only involves the first order and the finished order, and the other orders cannot be adjusted at will.
Process Adjustment of Wire Rod Mill Read More »
The rolling process system mainly includes deformation system, speed system and temperature system.
What Are the Rolling Process Systems? Read More »
The price of rolling mill equipment has always been the focus of people’s attention. It is mainly determined by the two factors of the size of the rolling mill and the machinery configured. Of course, in addition, there are also uncertainties in the price factors of the rolling mill, so users must consider comprehensively when purchasing equipment.
Key Factors Affecting Rolling Mill Prices Read More »
In the entire rolling mill market, used rolling mills occupy a large share, because its price is relatively low, which just meets the needs of those customers who are unwilling to invest more to purchase new rolling mill equipment. However, second-hand rolling mills cannot be purchased blindly, and a slight inattention will threaten their own interests.
Should Customers Choose Used Rolling Mill? Read More »
Due to the rolling force of the rolling mill, its adjustment of the screw nut up and down will be affected to varying degrees, and one of the possible consequences is the automatic unscrewing of the screw in the rolling mill. Under normal circumstances, the automatic unscrewing of the screw is mainly produced on the blooming mill and the strip rough rolling mill.
Causes and Solutions of Rolling Mill Screw Loosening Read More »
It has been proved by practice that environmental factors are also included in many factors affecting the daily work efficiency of the rolling mill, mainly the humidity and temperature of the environment. Therefore, in order to improve the working efficiency of the rolling mill, the narrow outlet of the heating furnace has strict requirements on humidity. In the case of no tapping, closing the furnace door can reduce air consumption and heat transfer, and reduce the cost of coal or gas.