Jaw Crusher Toggle Seat Manufacturers

Metso and Sandvik are known for producing some of the world's largest jaw crushers, with feed openings exceeding 1,600 mm. These heavy-duty machines require equally robust wear components. Krupa Services manufactures heavy-gauge toggle seats engineered to withstand the extreme loads generated by large-format jaw crushers in primary crushing operations.

A single toggle jaw crusher uses one toggle plate, producing an elliptical motion of the swing jaw — ideal for softer materials and higher throughput. A double toggle jaw crusher uses two toggle plates, generating a purely compressive stroke suited for harder, abrasive materials. Toggle seats differ between the two designs, and Krupa Services manufactures seats for both configurations.

Krupa Services toggle seats are manufactured from high-grade steel and stainless steel, selected for their hardness, compressive strength, and wear resistance. The forging and machining processes further enhance grain structure and surface finish, ensuring the seats can endure the repetitive impact loads inherent in jaw crushing operations.

Common indicators include visible cracking, deformation, or excessive wear on the seating surface, abnormal vibration or noise during crusher operation, and misalignment of the toggle plate. Regular inspection intervals are recommended. Replacing worn toggle seats promptly prevents damage to the toggle plate and other crusher components, reducing overall maintenance costs.

Yes. Krupa Services offers custom manufacturing of toggle seats to OEM or customer-supplied drawings and specifications. With core capabilities spanning CNC machining, forging, hydraulic press brake forming, and fabrication, the company can accommodate non-standard dimensions, material grades, and surface treatments to match specific crusher models and operating conditions.

Jaw crusher toggle seats are primarily used in mining and heavy equipment operations for ore and rock size reduction, and in construction and infrastructure for aggregate and demolition material processing. They are also used in quarrying, recycling, and cement manufacturing wherever primary jaw crushing equipment is deployed.