LONG SPINDLE DESIGN FOR GRINDING

Abstract

This article is focused on design issues concerning the long spindle used to grind the internal pipe diameters. In the article an example of spindle design for an internal pipe diameter grinder can be found to process 11 m long pipes with external diameters ranging from 270 to 610 mm. Furthermore, this article offers a theoretical proposal for the spindle stroke in connection with its engagement, taking into consideration the internal diameter of the ground pipe and the outside diameter of the grinding wheels. The pipes used in this example are designed for transport in the mining industry, requiring a high quality of inner pipes surface for their long service life.

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