Crusher concaves are big, hard and rough. This clip shows a CBN insert machining one, taking the casting skin off a wear-resistant surface.
What the clip shows
- Heavy cast wear part on the machine
- Skin cut through an uneven surface
- CBN edge under interrupted load
Why this insert suits the cut
The first cut into a casting skin is the hardest cut in the job: scale, sand and chill can all be present. An insert that survives that pass can finish the part; one that chips cannot.
Where this part is used
Cone and gyratory crushers use concaves to break rock. The part is heavy, the wear is severe, and replacement is a scheduled outage item.
What to send with an inquiry
- Concave material and casting condition
- Stock to remove from the skin
- Machine size and workholding