In mining operations, many equipment managers encounter a seemingly simple yet difficult question:Under similar working conditions and with the same crusher model, some bottom shells operate reliably for over ten years, while others develop cracks, deformation, or even fail within just o

In the mining and aggregates industry, Sandvik CH and CS series cone crushers have long been recognized for their high reliability. Among the key structural components of these machines, the Upper Frame Assembly (also known as the Top Shell Assembly) is one of the primary load‑bearing st