Cone crusher main shaft assembly

The main shaft assembly is the core parts of cone crusher. The main shaft assembly of the cone crusher includes main shaft, eccentric bushing, bevel gear, the mantle, cone body, the main shaft bushing, locking screw, and locking device. There are eccentric bushings, keys, moving cones, locking nut and spindle bushings on the main shaft.

Product Detail

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There is a suspension point on the top of the spindle. The bevel gear is fixed on the eccentric bushing. There are eccentric bushings distributed at different angles. The keyway of the key is matched with the keyway of different angles through the key, the locking nut connects the torch ring and the mantle liner. the lower side of the mantle liner is in contact with the upper side of the cone body.

Sunrise main shaft assembly is manufactured 100% as per original parts dimension and material. As main shaft and body are the core parts of the cone crusher, Sunrise produce the high-quality main shaft assembly suitable for many branded crushers like Metso, Sandvik, Symons, Trion, Shanabo, SBM, Shanghai Zenith, Henan Liming, etc. Most of the parts are in stock and can deliver to customer’s site very soon.

Symons 3ft mainshaft assembly

Product Application

Sunrise adopts CAE simulation pouring system auxiliary process design, and is equipped with LF refining furnace and VD vacuum degassing furnace, which can meet the needs of customers for high-grade steel castings and ensure the inherent quality of steel castings. We can offer customized production service according to the drawings provided by the customer. In addition, Sunrise also pays attention to the appearance quality of steel castings, and the appearance of the casting were praised by customers all over the world.

About This Item


Selected high-quality steel scrap material

Using special high-quality scrap steel, the cone body and shaft quality performance is improved a lot, and the impact resistance and working life are greatly extended.

Customized service

We produce different types of main shaft assembly according to the drawings from customers. Furthermore, we offer the site-measuring service. Our engineer can go to your site to scan the parts and make technical drawings then produce.


Heat treatment and tempering process

Sunrise has 4 shot blasting machines, 6 heat treatment furnaces, automatic scraper recycling sandblasting room and other production equipment, which can strictly control the temperature of the parts, improve the quality of the castings, and effectively clean the castings surface through processes such as sand falling and core removal.

Seven inspection systems

We have comprehensive testing equipment system with multiple sets of testing equipment like mechanical function testing, NDT non-destructive testing, three-coordinate detector, and hardness testing. The UT and MT flaw detection can reach ASTM E165 II, and are equipped with Hexagon three-coordinate detectors. Ensure that the quality of each part is impeccable.


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