What is a strip rolls and how to choose a strip rolls correctly?

Keyword: Strip rolls, selection of strip rolls

In the steel bar rolling process, the strip roller is a key component used to process the raw material (usually steel billet or steel plate) into the required shape and size through a series of rolling processes. This process usually includes different stages such as rough rolling, intermediate rolling, and finishing rolling, and each stage uses a specific type of roller for rolling.

work rolls

Here are some common types of strip rollers:

Roughing Rolls: Used in the initial rolling stage to quickly flatten and stretch the original billet or slab.

Intermediate Rolls: Used to further refine and adjust the shape and size of the strip.

Finishing Rolls: Used for the final rolling stage to achieve the required size and surface quality.

These rolls are usually divided into different work rolls according to their position and purpose in the rolling mill, such as entry rolls, exit rolls, backup rolls, etc.

The material of the roller is usually high-strength, high-wear-resistant alloy steel to ensure sufficient durability in high temperature, high pressure and high bending stress environments.

In practice, mill design and roll selection will vary depending on the specific steel type, size and quality requirements to be produced. These require engineers to have an in-depth understanding of the rolling mill process and equipment for effective production and quality control.

How to choose strip rolls to produce high-quality steel?

Choosing the right strip roller is crucial to producing high quality steel. Here are some suggestions.

Roller material: Choosing wear-resistant, high-strength roll material is key. Usually, alloy steel is used as the material of the roller, such as alloys of chromium, molybdenum, nickel and other elements to ensure sufficient durability in high temperature and high stress environments. Heat treatment and surface treatment are also key steps to improve the wear resistance and life of the roller.

Roll surface quality: The surface quality of the roll is crucial to the surface quality of the steel produced. Make sure the roller surface is flat and smooth to avoid scratches or other surface defects.

Roller design and build quality: Premium roll design and build quality are key factors in ensuring stability and consistency. Good roller design should take into account the transfer characteristics, temperature distribution, stress and other factors of the strip.

Proper lubrication and cooling system: In order to ensure the long-term stable operation of the roller, a proper lubrication and cooling system needs to be designed and maintained to prevent excessive heating and wear.

Optimization of rolling mill parameters: Understand and optimize the parameters of the rolling mill, including rolling force, roll speed, etc., to ensure that high-quality steel can be obtained throughout the rolling process.

Real-time monitoring and control system: Install a real-time monitoring and control system to adjust rolling mill parameters in a timely manner and maintain stable production status.

Generally speaking, selecting a suitable strip rolls requires comprehensive consideration of multiple factors such as material properties, process parameters, and rolling mill design.


MM GROUP is one of the professional roll manufacturing base in China, which supply all kinds of large-size rolls for iron and steel enterprises with production capacity of 100,000 tons of all kinds of hot strip mill rolls, section mil rolls, rod mil rolls, cold rolling m rolls, casting and forging backup rolls.


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