The SH220 multi-cylinder hydraulic cone crusher from Shenyang Sanland Mining Engineering Co., Ltd works on the laminating principle, crushing material between particles inside the chamber. This keeps flaky and elongated product to a minimum and yields a more cubical output suited to aggregate shaping and fine crushing. Chamber profile and discharge setting are selected to the duty and fixed at the time of order, so one machine can move between secondary and tertiary service.

In the main frame, the shaft is supported at both ends and driven in its gyration by the eccentric bushing, with crushing force distributed evenly through the frame. The adjustment ring is locked on saw-tooth threads and the discharge setting is adjusted by hydraulic motor, so the chamber can be changed without stopping production to strip parts.

The hydraulic system is the heart of a multi-cylinder machine. A set of locking cylinders with accumulators allows the bowl to yield when uncrushable material enters the chamber, then reset automatically once the object has passed, protecting the shaft and frame from damage. Continuous monitoring of oil pressure and temperature also gives the maintenance team a clear basis for scheduled service.

Three chamber profiles — coarse, medium and fine — allow one machine to cover secondary or tertiary duty. Laminating crushing is characterized by a high finished-product yield per unit of energy and a low circulating load, with material loaded layer on layer in the chamber, and liner wear stays more even over long runs.

Frame, eccentric bushing, gears and bearings for the SH220 are all produced in-house to drawing; each machine is run-tested after assembly, with the hydraulic system pressure-tested and vibration, temperature rise and oil pressure recorded item by item. Shenyang Sanland Mining Engineering Co., Ltd. specializes in the manufacturing of crushing, screening and grinding equipment, providing complete support from complete machines to spare parts for mining and aggregate projects at home and abroad.

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