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CISDI’s short-stress path rolling mill wins praise from India

Date:2018/12/11 Source: CISDI

Experts from India’s Aarti Steels visited CISDI to inspect core equipment being designed for their alloy-steel bar mill and reheating furnace.

CISDI was awarded the contract to supply Aarti last year and the first core equipment was ready for ex-works inspection.

Aarti’s Pramod Kumar Ruhela and Sanjeev Singh arrived at CISDI Equipment in Chongqing and passed 13 assembled and painted stands for mills NHCD550, NHCD450 and NHCD350, which can now be delivered to the project site.

CISDI has 1,200 references for its independently developed design for NHCD-series mills, including exports to Brazil and Malaysia.

The mills are critical to improving long product rolling. The short-stress path mill is designed with a large tie rod and a large, strengthened roll collar. It has a special anti-axial-shifting mechanism, highly-stable middle support structures, dedicated guide fixation expertise and a dual-screw lifting mechanism for large-specification vertical stands.

Specifications of steel which can be rolled range from Φ300mm to Φ1,000mm. A micro-tension self-adaptation model and a looper tension-free self-adaptation model can be applied to achieve high-precision, high-efficiency and stable automatic rolling.

NHCD950 mills with the largest specification of Φ950mm have been operating successfully at Shijiazhuang Yingkou’s Special Steel Heavy Bar Mill and at Shagang’s Blooming Mill.

 

Aarti Steels and CISDI inspect the NHCD mills

 

NHCD mills supplied by CISDI in operation at a plant