Hammer crushers ti wa ni deede lo lati fifun pa awọn limestones ati apata ni Simenti eweko ati Quarry eweko.
Awọn òòlù jẹ awọn ẹya yiya bọtini lati fọ awọn okuta sinu awọn iwọn kekere. Oorun yoo ṣe awọn òòlù ni awọn aṣayan atẹle lati ba awọn fifun palẹ-okun:
1, manganeseirin
2, Manganese +Tic carbides (igbesi aye gigun)
3, Manganese + seramiki (igbesi aye gbooro)
4, Irin Martensitic
5, Martensitic/Chrome Bimetal.
6, Irin Martensitic + Seramiki. (igbesi aye gbooro)
Jọwọ kan si wa fun awọn alaye diẹ sii.