Steel Rolling Mills

Rolling Mills

We can design and manufacture the stand shift-type reversing rolling mill (shiftable reversing mill).
Highly rigid mill stand
Short roll changing time (within 15 minutes)

The mill stand is positioned in a short span, allowing for stable rolling while minimizing temperature loss in rolling stock.
Non-twist rolling with alternate horizontal and vertical arrangement
Compact design, enabling space-saving installation

The conventional up-drive type mill stand consists of a roll stand, mill spindles, a vertical gear reducer with a pinion stand and a motor. The gear reducer and motor are mounted on a concrete frame to keep them from roll cooling water and mill scale.
A lifting device is installed under the roll stand to adjust the caliber position to the pass level. The roll stand can be moved to the work side when changing the stand.

The horizontal-type conventional mill stand consists of a roll stand, a pinion stand, a gear reducer and a motor. In the case of a constant pass line, the roll stand slides on the surface of the sole plate. In a low-speed rolling mill with less than 10 m/sec, the pinion stand and gear reducer form a single unit.
A cross pin joint is used for the mill spindle and is supported by the spindle carrier during rolling.

According to the pass schedule, one stand can be used as both a horizontal and vertical stand.

The stand is lighter than conventional types, making it easier to change the stand.
Symmetrical pressure reduction maintains the pass center constant.
The roll changer allows for easy and quick roll changes.
A drive unit and stand lifting unit are installed on the top of the stand for easy maintenance.

Compact design, saving space for installation
Downtime minimized by:
- Quick size changes with stand shifting mechanism (optional)
- Quick roll changes with built-in quick roll disconnecting mechanism
- Quick guide setting with one-touch setup mill guide (optional)
- Symmetrical rolling by remore control
Excellent operability—easy visual inspection and access to the rolled material
Sufficient mill rigidity, equivalent to that of the conventional mill stands

Super high speed rolling (Designed rolling speed : 140 m/sec)
Free combination of different roll size stands according to the product size, steel grade and pass schedule
Downtime is minimized by X-arrangement of stands and easy guide roll setting
Easy misroll processing due to internal piping in the trough
Applicable to bars with a design rolling at 40 m/sec. (S-HUM FOR BAR)

Precision rolling with high dimentional accuracy
Three types of models are available for specific applications: Precision rolling, three-roll multi-stand, compatible with the 2-high stand

A: Excellent
B: Good
C: Moderate (Major strengths demonstrated in other areas)

Rolling mill models	Advantage for customers
Rolling mill models	Productivity	Product quality	Economical	Man-power saving	Other
Shiftable Reverse Mill		B		C
Compact Mill: Kobelco Compact Mill (KCS MILL)			B	C	Space-saving
H/V Convertible Mill					Diversifying product types
Cantilever Mill	C		B	C	Space-saving
Housingless Mill			B		Space-saving
Block Mill: Kobelco Super High Unit Mill (S-HUM)	A
（S-HUM FOR BAR）	A		A
Three Roll Mill: Kobelco Super Three Roll Mill (STR-Mill)	B	A

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