Key points of cutting rolling material type control and guide and guard adjustment!

2025-03-12

1, material type control points   1, the quality of the incoming material is good, the difference between the upper and lower sides is controlled within 2mm, and the incoming material of the 7# machine avoids the p...

The role and size of cold rolling tension are determined

2025-03-12

1, the role of tension The function of tension is to reduce the unit pressure, so that the stress state in the deformation zone changes, and the longitudinal compressive stress is reduced, so that the unit pressure is reduc...

Hot rolling force ratio mode load distribution method

2025-02-13

Abstract: Whether the load distribution of each stand in finishing mill group is reasonable or not directly affects the load bearing capacity of the whole unit and the stability of strip rolling process, and also directly affec...

Plate shape and cold-rolled plate shape control

2025-02-13

What is plate shape The so-called plate shape is the flatness of the fingerboard belt. Intuitively speaking, the plate is placed between two ideal plates, if the two sides of the plate and the plate 100% contact, it is cons...

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...