Crusher knives with long service life

General information
Name of center
SSAB
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 .
End customer
Industry
Coal and energy
Raw material processed
Brown Coal - Ore
Wear part
Equipment
Shredders / Knives
Temperature
0 – 250 °C / 32 – 480 °F
Processed material size
10 – 300 mm / 0.4 – 12.0 "
Solution
New solution
Hardox 550
Thickness
30 mm
Service life
1100 hours
Key success factors
Improved service life
180