Cogging Rollers

Runhao Machinery can customize various models and materials of rollers with a maximum diameter of 2000 millimeters and a maximum weight of 60 tons for customized section steel/bar/wire/plate/strip hot rolling mills. Rollers for the production of hot-rolled strip with a width below 1450 millimeters can also be customized.

Introduction to Cogging Rolls Used in Slabbing

Cogging rolls are specialized machinery crucial for the initial stages of metal processing, specifically in the process known as "cogging." These rolls play a vital role in shaping the initial metal billets into thinner slabs or strips.

Role and Function:

Cogging rolls are primarily employed in the initial stages of rolling, gradually reducing the cross-sectional area of the metal billet to create an optimal starting shape for subsequent rolling processes.

Types and Structure:

These rolls typically consist of work rolls and backup rolls. Work rolls directly engage with the metal billet, applying significant rolling force, while backup rolls provide support and balance, ensuring the stability of the entire cogging process.

Applicable Materials:

Cogging rolls find wide application in various metals such as steel, aluminum, and others. Their design and manufacturing take into account the specific characteristics of different materials and the working environment during the cogging process.

Materials and Manufacturing Process:

To withstand high loads and temperatures, cogging rolls are usually crafted from wear-resistant materials like high-strength alloy steel. Rigorous heat treatment and surface treatments ensure the rolls possess excellent wear resistance and high-temperature stability.

Surface Treatment:

The surface of cogging rolls undergoes treatment to enhance hardness, reduce friction, extend lifespan, and ensure effective shaping of the metal billet.

Design Features:

Tailored for the cogging process, the design of these rolls incorporates specific shapes and parameters to guarantee the attainment of the desired slab or strip shape during the initial rolling stages.

Cogging rolls play a critical role in metal processing, providing the foundational shape for subsequent manufacturing processes. They are essential for the success of the entire production process.

Runhao Machinery can customize and produce mill rollers of other specifications according to the production needs of our customers' factories. Please feel free to contact us, and we welcome you to visit Runhao Company!