Company's range of pre-breaker/coarse grinding kibblers has been extended with the addition of hygienic models that offer benefits when cleaning, or changing grinding screens between batches. Pre-breaker mills are designed to demolish large lumps up to 150mm and reduce them to 2-3mm in preparation for further processing. Size reduction takes place through a combination of impact, crushing, cutting and abrasion as slow speed, heavy-duty beater sweeps product against contoured grinding screen.