The hydraulic pipe burst and sprayed onto the red steel. Did the fire extinguisher in the workshop work properly?

2026-11-04

The hydraulic pipe burst and sprayed onto the red steel. Did the fire extinguisher in the workshop work properly? "BANG!!"   It wasn't a broken roll, nor a pile-up of steel. It was a high-pressure...

From the fracture of a working roll, we can see the loopholes in the daily inspection of the rolling line.

2026-11-04

Roll Breakage Horror: Observing the Flaws in Daily Inspection of the Rolling Line   "BANG!"   It wasn't an explosion or a pipe burst; it was a dull thud coming from within the rolling mac...

The roller replacement time is too long? You can still achieve 5 waiting points by manually removing the rollers.

2026-10-10

The roll change process couldn't be completed on time? There are 5 waiting points that can be dealt with without purchasing equipment. Roll change is the most time-consuming task on the rolling line.   The ...

The rolls are cracking and breaking off? Don't blame the quality yet. Check if the cooling water nozzles are clogged or not.

2026-10-10

During the time of changing the rolls, there were numerous hot cracks on the surface of the removed working rolls. Some of them had even fallen off and peeled off. The team leader shook his head and said, "These rolls are ...

The supporting roller's old shaft is axially disengaged? Don't just tighten the locking nut. Check these four clearances.

2026-10-10

Does the supporting roller's main shaft axially shift out? Don't just tighten the locking nut; check these four clearances. The axial movement of the supporting roller is a problem that plagues hot rolling, medium a...

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 ...