Grinding roll and method for operation and repair thereof

Details Grinding roll and method for operation and repair thereof Grinding roll and method for operation and repair thereof

D - Textiles, Paper

21

B

D21B 1/14 (2006.01) B02C 4/02 (2006.01) B02C 4/30 (2006.01)

Patent

CA 2202213

The invention relates to a grinding roll with pin-shaped profiled bodies embedded in the roll body, the roll body having a hardness of more than 56 HRc. This grinding roll is used in comminuting operation until a substantial proportion of all profiled bodies is completely worn and/or has fallen out of the roll body. For the repair of wear the roll surface is brought back to a cylindrical shape by partial removal of material, after which new recesses are produced and new profiled bodies are inserted.

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