A Jaw Crusher reduces large size rocks or ore by placing the rock into compression. A fixed jaw, mounted in a ‘V’ alignment is the stationary breaking surface, while the movable jaw exerts force on the rock by forcing it against the stationary plate. The space at the bottom of the ‘V’ aligned jaw plates is the crusher product size gap, or the size of the crushed product from the jaw crusher. The rock remains in the jaws until it is small enough to pass through the gap at the bottom of the jaws.

To prevent crusher damage, downtime and difficult maintenance procedures, the hydraulic overload relief system opens the crusher when internal forces become too high, protecting the unit against costly component failure. After relief, the system automatically returns the crusher to the previous setting for continued crushing.

Importantly, manually digging out the crusher before repairs or restarts puts workers in dangerous positions. The Mine Safety and Health Administration (MSHA) has reported numerous injuries and fatalities incurred when climbing in or under the jaw to manually clear, repair or adjust the typical older-style jaw crusher.

The crushing arena is a hazardous environment. Large material and debris can jam inside the crusher, damaging components and causing costly downtime. A Jaw Crusher is one of the main types of primary crushers in a mine or ore processing plant. The size of a jaw crusher is designated by the rectangular or square opening at the top of the jaws (feed opening). For instance, a 24 x 36 jaw crusher has a opening of 24′ by 36′, a 56 x 56 jaw crusher has a opening of 56′ square. Primary jaw crushers are typically of the square opening design, and secondary jaw crushers are of the rectangular opening design. However, there are many exceptions to this general rule.

PE series jaw crusher of Henan Hongxing can be classified into primary and fine crushing. PE and PEX series jaw crushers are widely used for the primary and secondary crushing of various kinds of ores and rocks with the compression strength no more than 320Mpa in mining, smelting, building, highway, railway, water conservancy, chemical industry etc. With the feeding size 125mm ~ 1020mm, jaw crusher is the preferred primary crushing equipment.

As a professional and the best mining machinery manufacturer in China, Hongxing Machinery is always ready to provide the superior stone crusher plant, mobile jaw crusher, and these machines have the most competitive price and the most reliable quality so that they are the top choices for the high performance crushing equipment.

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