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Global ꞏ August 2019

Crusher knives with long service life

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Description of the case

Lignite crusher knives in Hardox® 550. In coal power plant. The rotational speed in the crusher is about 230 rpm. 2 x 6 pairs of wings. Dimensions: 700 mm x 450 mm for each wing. Previously: St 37 with hard facing. Service life 950 hours. New solution: Hardox® 550, 30 mm. Service life 1100 hours .

Case details

Key success factors

Improved service life

New service life: 1100 hours

New solution
Hardox® 550, : 30 mm
Old solution

S237: 30 mm

Industry and wearpart
Coal and energy , Shredders , Knives

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