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Principle of medium and thick plate hot straightener
2025-01-09
The hot straightener of medium and thick plate is a mechanical equipment used for straightening medium and thick plate. The principle is to use the plasticity of the metal sheet at high temperature, by applying a certain pressu...
Medium and thick plate roller type hot straightening machine: tips for accurate calculation of straightening force
2025-01-09
In today's steel production process, the straightening of plates has become a link that cannot be ignored. Whether in construction, manufacturing or other industries, flat medium and thick plates can improve the efficiency ...
High speed wire technology summary: Process adjustment of finishing mill group
2025-01-09
The process adjustment of the finishing mill group is generally only adjusted the first sortie and the finished sortie, and other sorties are not allowed to be adjusted at will, for two reasons: 1) Moving the roll gap of on...
2024 cold rolled coil industry prospect analysis: cold rolled coil industry development trend to strengthen industrial upgrading
2024-12-13
As an important product in the steel industry, cold-rolled sheet coil occupies a position that cannot be ignored in the process of modern industrial and social development, and its industry prospects contain many opportunities ...
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...
Common defects and improvement measures in large ingot production
2024-09-12
It is necessary to use large ingot in the production of extra-thick steel plate, and the internal quality problems of large ingot are mainly defects such as loose center and stratification of tail. Reflected on the steel plate,...
Medium and thick plate Basic Knowledge Questions and Answers (1)
2024-09-12
Section 1 Quality control and heating of medium thick slab material one What are the advantages and disadvantages of using raw materials for blooming? Advantages: The fledgling billet is made of large steel ingot rolled...
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15358968703
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15358968703