Universal rolling mill

No.UEE12

The universal rolling mill is the core rolling equipment of the steel production line. The frame is equipped with a pair of horizontal rollers and a pair of opposing rollers, which can synchronously roll steel on all four sides with uniform deformation and high forming accuracy. Suitable for various complex cross-sectional profiles such as H-beams, steel rails, channel steel, steel sheet piles, etc.

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Description
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1. Product Overview (Introduction Section)

Universal rolling mill is the core forming equipment for hot rolled structural steel production lines, composed of one pair of horizontal work rolls and one pair of vertical rolls inside a single mill housing. Four rolls work synchronously to compress the workpiece’s web and flange at the same time, realizing all-around steel shaping in one pass.

Different from traditional two-high rolling mills, this universal mill delivers even metal deformation, tiny residual stress and ultra-stable dimensional tolerance for complex cross-section steel. It supports quick switch of multiple steel specifications without massive roll replacement, widely deployed in new-built and renovated steel factories for construction, bridge, railway and marine engineering steel output.

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2. Core Advantages (Bullet Points, Google Friendly Scan Format)

✅ 4-sided synchronous rolling design: Separate adjustment of web thickness and flange width, finished steel tolerance controlled within ±0.1mm
✅ Lower roll consumption: Reduce roll wear by 20% vs conventional pass rolling, cut spare part replacement frequency and production cost
✅ Wide product compatibility: One mill produces H-beam, heavy rail, sheet pile, channel steel, I-beam, unequal angle steel and other special profiles
✅ High production throughput: Improve output efficiency up to 80% compared with old rolling stands, support tandem continuous rolling line layout
✅ Integrated PLC automatic control: Real-time monitoring of rolling force, roll speed and temperature, stable running, less manual intervention
✅ Heavy-duty welded mill housing: High rigidity, strong shock resistance, long service life under continuous high-load hot rolling
✅ Customizable configuration: Reversing universal mill, continuous tandem universal mill, active/passive vertical rolls optional based on customer production demand

3. Working Principle
The universal mill frame contains horizontal rolls (main drive, control steel web thickness) and vertical rolls (control flange width). When hot steel billet passes through the roll gap, four rolls apply uniform compression force to all surfaces of the steel section simultaneously.
The metal flows evenly without local stress concentration, eliminating warping, bending and size deviation defects common in traditional rolling technology. Operators adjust roll gaps via hydraulic servo system to switch steel sizes rapidly, greatly shortening product changeover downtime.

4. Main Application Industries & Finished Products

Applicable Industries

Steel manufacturing plant, structural steel processing factory, railway rail production base, bridge steel workshop, marine sheet pile production line.

Rollable Steel Profiles

H-beam, wide-flange H steel, heavy rail, light rail, U-shaped sheet pile, Z sheet pile, I-beam, channel steel, equal & unequal angle steel, special custom section steel.

5. Standard Technical Parameters Table (B2B Buyer Focused)

Item	Standard Parameter Range	Custom Options
Mill Model Series	350 / 500 / 700 / 900 / 1250	Custom large-size universal mill
Horizontal Roll Diameter	Φ300mm – Φ1500mm	Alloy forged rolls for heavy load
Vertical Roll Diameter	Φ260mm – Φ1200mm	Active drive vertical rolls
Max Rolling Speed	3 – 12 m/s	High-speed version up to 15m/s
Rolling Raw Material	Steel bloom / slab 100–500mm	Carbon steel, alloy steel
Hot Rolling Temperature	900℃ – 1250℃	Supporting temperature monitoring system
Control System	Siemens PLC + HMI touch screen	Custom automatic rolling control program
Drive Mode	AC variable frequency main drive	Double motor heavy-duty drive