Full definition
The term 'quebradora' in Mexico refers to rock crushers, integral to mining operations for the size reduction of mined materials. Different types of quebradoras are utilized based on the stages of crushing required. The 'quebradora de mandibulas' (jaw crusher) is often the primary machine, designed to crush run-of-mine rock down to manageable sizes (100-300 mm) using compression between a fixed jaw plate and an oscillating jaw plate, which is driven by an eccentric shaft. This method is effective for larger rocks, as the jaw configuration allows for significant crushing force while maintaining a manageable size of output material. Common applications for jaw crushers include the initial reduction of large boulders in quarrying and mining operations where high throughput is essential.
Following the primary stage, the 'quebradora de cono' (cone crusher) performs secondary and tertiary crushing. This type of crusher operates by using a gyrating conical mantle and a fixed concave bowl to crush material to finer sizes (10-50 mm). The cone crusher is particularly effective for producing a narrower size distribution and is often employed in the production of aggregates for construction and asphalt applications. Its design allows for the handling of harder materials, thus making it a versatile choice for many industrial applications.
The 'quebradora de impacto' (impact crusher) operates differently, employing high-speed hammers or blow bars to crush softer rock types. This method can produce a less angular product and is typically used for materials that do not require as fine a size reduction as those processed by jaw or cone crushers. Impact crushers are ideal for recycling applications and creating a range of aggregate materials.
In addition to the crushers themselves, various rubber and elastomer products are crucial in the crushing circuit. For instance, feed hopper linings made from natural rubber (NR) with a hardness of 40-60 Shore A provide impact protection, while discharge chute linings help manage material flow and reduce wear. Drive belts, such as V-belts or timing belts, are essential for powering the eccentric mechanisms within these machines. Furthermore, effective dust control is achieved through the use of rubber strips, which are employed as dust curtains to minimize emissions during the crushing process. Understanding the terminology and operational requirements is vital for B2B interactions in the Mexican mining sector, as customers often seek specific parts such as 'quebradora de mandibulas refacciones' for maintenance and repair.