“NSK Bearings in Kielce, Poland has just taken delivery of a second roller hearth furnace from SECO/WARWICK, a furnace intended for spheroidizing rings for the bearing industry. The first line featuring a SECO/WARWICK roller-type unit has been operating in the factory for seven years now. This type of equipment has its technological roots in the US.

The entire automated line as delivered consists of a loading table with the drive, loading elevators with side handling, heating chambers and controlled cooling chambers, cooling tunnels, unloading elevators and tables as well as a control cabinet featuring a complete automated visualization system that provides comprehensive control over the course of the production process. Such a line will fully guarantee perfect repeatability of the workpieces. The repeatability and the high quality are also important factors for the production of items as sensitive as bearings. “We know that bearing production requires a huge amount of precision. The required metallographic structure can be achieved in the production process only with a strict and repeatable regime of a many-hour thermal process. That is why our production line intended for this purpose is based on full automation of all processes. This enables the elimination of all errors resulting from the human factor.”

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