The replacement of rolls is too frequent? The costs are still high? 3 tricks to double the lifespan of the rolls directly!

2026-09-03

In steel rolling production, the rolls are the "teeth" of the rolling machine. A high frequency of roll replacement not only directly increases the cost of spare parts, but more critically, frequent machine shutdowns ...

The electricity consumption during the rolling process remains high? Don't just focus on the electricity bill!

2026-09-03

In the steel rolling workshop, electricity consumption is the second-largest cost after raw materials. At every meeting, the boss would slam his fist on the table and ask, "Why did we exceed the target again?" &nb...

Fushun New Steel reduced the cost of rolling mill bearings per ton of steel from 0.58 yuan to 0.21 yuan. What did they do right?

2026-09-03

Roller bearings are the "heart" of the rolling mill and also the "major cost" of the rolling line spare parts. Many factory managers are overwhelmed by the tonnage steel cost assessment, but how to achieve c...

Can't solve the problem by simply removing the oxide scale? A comprehensive solution covering the entire process from the heating furnace to the final rolling stage.

2026-08-11

Surface defects such as spots, stripes, and indentations on hot-rolled steel strips are largely caused by the pressing of iron oxide scale into the material. Many teams, when encountering surface quality complaints, only increa...

Overall thickness deviation at both ends? Thermal rolling AGC system commissioning + process parameter optimization ideas

2026-08-11

In the production of hot-rolled strip steel, the thickness deviation at the head and tail is a common and long-standing problem that has plagued the frontline workers - during the stages of head threading and tail steel throwin...

After changing the rolls, the first coil of steel frequently exceeds the tolerance limits? Practical operation plan for roll gap calibration and hot roll diameter compensation

2026-08-10

Roll change is the most common operation in the hot rolling workshop, but many teams have encountered the same common problem: after the new working rolls are put into operation, the thickness of the first few rolls or even the...

The process of changing rolls on the production line takes a long time and involves a lot of rework? This rapid roll-changing process optimization solution can bring about efficiency improvements upon

2026-07-06

Preface Line change of rolls is the most frequent downtime maintenance process in steel rolling production, and it is also a key node that affects the effective operation rate of the production line. For most conventional r...

Key points for equipment protection in the steel rolling production line under high-temperature conditions: Prevent overheating, reduce faults, and ensure stable production. A comprehensive guide for

2026-07-06

Preface During the summer high-temperature period, the steel rolling production line is constantly operating under heavy load, high temperature and high dust conditions. Coupled with the rising ambient temperature, the equi...

Standardized full-process inspection for the steel rolling process! By time periods, focusing on key points, preventing faults, and ensuring stable production.

2026-07-06

Standardized full-process inspection of the steel rolling process! By time periods, focusing on key points, preventing faults, and ensuring stable production. 80% of the sudden failures in the rolling line are caused by mis...

The generation mechanism of edge cracks on steel strips and the overall prevention plan for the entire process

2026-06-23

During the production process of hot-rolled and cold-rolled steel strips, edge cracks are a typical and frequently occurring quality defect. Even if the cracks are minor, they can lead to increased cutting edge loss and unquali...

The generation mechanism of edge cracks on steel strips and the overall prevention plan for the entire process

2026-06-23

During the production process of hot-rolled and cold-rolled steel strips, edge cracks are a typical and frequently occurring quality defect. Even if the cracks are minor, they can lead to increased cutting edge loss and unquali...

The production line keeps running off course repeatedly? With a 5-minute rapid troubleshooting process and emergency handling without stopping, the production line can be completely stabilized.

2026-06-23

Preface: The most troublesome sudden failure in a hot rolling production line is the unregulated deviation of the rolled steel.  In the mild case, the plate surface will be stretched on one side, resulting in a sickle-...