Global bearing manufacturer NSK Kielce chooses SECO/WARWICK technology solution

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SECO/WARWICK delivered a rolling hearth furnace line to produce spheroidizing rings for the bearing industry. The system will be operated at the Kielce plant of global bearing manufacturer NSK.

This is the second delivery of this type of system. The first line equipped with a SECO/WARWICK roller hearth furnace has been operating in the factory for seven years. This type of equipment has technological roots in the United States. It is in this market that SECO/WARWICK began its technological adventure.

A rolling hearth furnace system is process automation of the first kind

The unit is intended for spheroidizing annealed bearing steel forgings. The process line, built around a roller hearth furnace, is intended to be used for the heat treatment of parts, following downstream processes which are then assembled into bearings used in the automotive sector.

The entire automated process line consists of loading table with drive, loading elevators with side handling, heating chambers, controlled cooling chambers, cooling tunnels, elevators and unloading tables as well as a control cabinet with a complete automated visualization system that offers complete control during the production process. Such a line of equipment fully guarantees total automation of the process and perfect repeatability of the parts. Repeatability and high quality are also important factors in the production of such sensitive items as bearings.

“We know that producing bearings requires great precision. The required metallographic structure can only be achieved in the production process with a strict and repeatable regime during the heat treatment cycle. This is why our production line for this purpose is based on full process automation. This eliminates all errors resulting from the human factor.

This is the second example of our cooperation with NSK. We deliver exactly the same product as in 2015, which shows us that we are a reliable partner for them. After seven years of operating the first system, NSK again selected SECO/WARWICK. We couldn’t expect a bigger compliment. We strive to be a partner that listens, solves problems, customizes technology and, above all, meets the requirements of the most demanding production processes,” said Piotr Skarbiński, Vice President in charge of this product segment, SECO/WARWICK Group.

Technology for the most demanding customers

NSK Ltd. was established in 1916, taking over the interests of the Nippon Seiko Limited Partnership Company. For over 100 years they have been manufacturing high quality bearings used in virtually every industry. NSK’s Polish factories manufacture bearings which require a lot of precision, hence the purchase of the unit for the annealing of bearing steel forgings which will considerably increase the capacity of the Kielce factory.

“SECO/WARWICK is a pioneer of modern metal heat treatment technologies. The design of the line we purchased allows our company to achieve the highest strength and structural parameters of the parts and, above all, ensures the repeatability of production. We have again selected SECO/WARWICK based on our previous positive experience and the quality of our products. We’ve been running the first system for seven years now and it still delivers reliability and accuracy. Therefore, when it comes to metal heat treatment, SECO/WARWICK is a good choice for us,” said Grzegorz Banachowski, NSK.

Contact:
Katarzyna Sawka
Seco/Warwick Group
Marketing Vice President
[email protected]
+48 512 811 648

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