Cone Crusher Parts Excel Foundry Machine. Excel Foundry Machine specializes in engineering, producing, and supplying the world's finest cone crusher parts for the mining and aggregate industries. Part 1 — Components of a Cone Crusher. Cone Crusher Main Shaft Manufacturers,Suppliers,Exporters.It is not only a force transmission component but also the safety parts of the crusher. When the crusher falls into the non-crushing material and makes the machine beyond the normal load, the toggle plate will immediately break. Then the crusher machine stops operation, thus avoiding the damage of the whole machine.