The reason and solution of "bulging belly" in steel rolling process

2024-12-13

As shown in the figure above, there is an intermittent "bulge" phenomenon on the finished product, the higher the rolling temperature, the more obvious the rolling defects, and the lower the temperature will be bett...

An analysis on operation standard and safety technology of steel rolling workers in steel mills

2024-12-13

In the steel manufacturing industry, steel rolling process is a crucial link, which directly determines the quality, performance and use of steel. As a steel rolling worker in a steel mill, not only need to master the operation...

Medium and thick plate basic knowledge questions

2024-11-11

1. How are steel plates classified by thickness? Steel strip is divided into five categories according to thickness: extra thick plate, thick plate, medium plate, thin plate and extremely thin strip. In China, the steel pla...

Application research of automatic control technology in steel rolling production

2024-11-11

Abstract: Cold rolled steel is a steel processing process in which the steel plate is further thinned to the target thickness at room temperature. It has higher precision than hot rolled steel, and can make the steel with highe...

Quality analysis of rebar

2024-10-08

Improving product quality is the way to rejuvenate the country, and it is the efficiency and competitiveness of enterprises. The steel rolling process deeply realizes that as the production unit of the end product, the strict m...

Cold Rolling Worker Examination Papers with Answers

2024-10-08

Cold mill test papers and answers   Total score: 100 questions: 50 questions   1. Single choice (20 questions, 40 points)   1. The west section of the acid rolling line of the cold rolling...