قضيب الصدم
قضيب الصدم
- Installation position
- In the blow-bar pockets around the rotor rim; working face toward the feed; retained by wedges/fasteners. Distinct from apron liners and backing bars.
- Candidate material families
- High-manganese steel / martensitic steel / high-chromium white iron / ceramic or MMC composites (select by impact–abrasion–tramp mix; not a single guaranteed grade)
- الوظيفة
- Strikes feed at high speed and throws it into the apron zone; a principal consumable for HSI wear cost.





















