Indonesia, Bekasi01. sty 2017

“All-rounder” for cold rolling and skin passing

Indonesian steel producer PT. Gunung Raja Paksi (GRP) is operating a reversing cold mill in CVC® plus 6-high design for rolling and skin-passing, supplied by SMS group. On the RCM GRP produces high-quality cold strips with a maximum width of 1,270 millimeters and a final gauge of just 0.15 millimeters. The maximum capacity is 200,000 tons per year.

SMS group supplied a reversing cold mill to Indonesian steel producer PT. Gunung Raja Paksi (GRP) for the facility in Bekasi. The RCM was delivered in complete comprising mechanical equipment, X-Pact electrical and automation systems and auxiliaries. Being supplied from a single source, these technologies match perfectly.

The RCM gives GRP the opportunity to switch between reduction mode and skin-passing mode according to the product requirements. Our rolling technologies like hydraulic adjustment, wedge adjustment, CVC® plus roll shifting technology in combination with positive and negative bending, entry and exit sides each with multizone cooling and dry-strip system, ensure high yield and product quality.

The X-Pact® automation with online level 2-system assures the fully automatic and efficient operation of the plant. The X-Shape flatness measurement and control system at the entry and exit side completes these installations.  

On the new reversing cold rolling mill, GRP produces cold strip products, which are mainly used in the construction industry for facade and roof cladding.

Impressions

Main data

Material Carbon steel
Strip width 600–1,270 mm
Strip thickness

1.20–5.00 mm (entry)

0.15–2.50 mm (exit)
Rolling speed max. 1200 m/min
Coil weight max. 27 t
Capacity 200,000 t/year
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