Recently, a batch of cone crusher main frames at Shenyang Sanland Mining Engineering Co., Ltd. completed finish machining on large vertical lathes. The upper supporting faces and the lower drive-section seating areas were machined in a single setup under heavy cutting, with dimensional accuracy and surface quality meeting drawing requirements, laying the foundation for final assembly.

The main frame is the base load-bearing component of a cone crusher. During crushing, the heavy crushing force is transmitted from the cone and liners directly into the frame, while the eccentric bushing and drive components are mounted in the frame bores. The strength of the frame and the accuracy of its seating faces directly determine the running stability, discharge setting stability and liner life of the machine, making it a core part that defines the quality of a cone crusher.

Sanland main frames are made of quality cast steel. Each casting is inspected for material grade and soundness on arrival, annealed to fully release casting stress, then finish machined on large vertical lathes. The upper ring faces, eccentric bushing bores and adjustment mechanism mounting faces are machined in one setup to ensure coaxiality and positional accuracy, and critical dimensions are measured and recorded piece by piece to form a complete inspection record.

Supported by large vertical turning equipment and a mature casting, welding and heat-treatment supply chain, Sanland is capable of batch machining main frames for cone crushers from medium to large sizes. Multiple frames are machined in parallel with consistent quality, providing reliable support for complete machine delivery and spare parts supply.

Shenyang Sanland Mining Engineering Co., Ltd. specializes in the manufacturing of crushing, screening and grinding equipment, widely used in mining and aggregate industries. Sanland will continue to provide customers with high-quality core components and complete machines through strict process control.

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kimosales@sanlandmet.com

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