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Case study Ovako Oyj, Imatra

The results of the single RVS-restoration have soon lasted 10 years!

Ovako is a leading European producer of engineering steel for customers in the bearing, transportation and engineering industries. The production covers low-alloy steels and carbon steels in the form of bars, tubes, rings and semi-finished components. The company has production plants in 11 locations and several sales companies in Europe and the USA.

Net sales in 2011 were EUR 1,121 million and the number of employees was 3,239. Total steel production capacity is 1.3 million tons per year. Ovako Imatra Oy Ab The Imatra Steel Works supplies low-alloy round and square bars to the demanding automotive and engineering industries. Its main raw material is scrap, which can be recycled 100 %. Annual capacity is ca. 300 000 tons. Personnel numbers are 600 employees.

ovako before after 720

The teeth of a double-helical gear of a Drift Gear countershaft of a Roller Mill in Imatra factory were in bad shape and serious pitting was detected on the surfaces of the teeth. The manufacturer quoted a new gear to a price ca. 0.8 Million Euro and a delivery time over one (1) year. In these circumstances the company decided to try the efficiency of RVS Technology Protection & Restoration technology products. The cost of the restoration treatment year 2003 was ca. 12,000 Euro.

The pictures show that the pits are "filled" and leveled and the teeth partly covered with TriboCeramics. No traces of wear were detected in the latest inspection, December 2011, proving that the produced ceramic surface is solid and permanently integrated to the contact surfaces of the teeth and have lasted soon ten (10) years.

Download the full report clicking the following link: Case study Ovako