Contract Crushing, or as some people call it “Custom Crushing”, is a service that has solved many problems for aggregate producers over the past multiple decades. Whether it is opening a greenfield site, gaining added salable inventory through supplemental crushing, recycling asphalt or concrete, or the myriad of other needs, Mellott has implemented many solutions for customers utilizing Contract Crushing. In fact, Contract Crushing has been the heart and soul of our organization since the 1970s. We’ve partnered with small family-owned operations, we’ve helped build aggregate producer empires, and everything in between. Mellott’s contract crushing division has reached an unparalleled level of excellence in providing solutions to our producer customers in areas such as:

Upgrade Your Crushing Power with Gyratory Crushers

In the rock crushing industry, gyratory crushers stand as powerful workhorses, delivering the extra strength and durability required to process materials to precise specifications. At NorX, our cutting-edge line of gyratory crushers empowers you to tackle your next project with ease and efficiency.

Understanding Gyratory Crushers

Gyratory crushers are robust, cone-shaped machines extensively used in the mining and quarrying industries. These machines utilize centrifugal force to grind rocks and other materials. With their larger size compared to cone crushers, gyratory crushers excel at handling substantial rock sizes. They find application in mines and quarries, breaking down large rocks into smaller fragments. Offering superior strength, gyratory crushers can handle larger feed sizes and are ideal for challenging operations.

Categories of Gyratory Crushers: Cone and Impact

Cone Gyratory Crushers: These common crushers are designed to crush medium to hard materials. The material falls between two cone-shaped crushing surfaces, effortlessly reducing its size. Cone gyratory crushers are highly effective in crushing operations, delivering exceptional results.

Impact Gyratory Crushers: Specifically designed to crush harder materials, impact gyratory crushers are frequently utilized in mining and quarrying operations. They operate by smashing the material against a rotating hammer, effectively reducing it into a workable mixture.

Both cone and impact gyratory crushers can be rented, offering a flexible solution for short-term needs.

The Mechanics Behind Gyratory Crushers

A gyratory crusher comprises a sturdy iron or steel frame housing an actuating mechanism and a cone-shaped chamber lined with wear-resistant plates. The upper part of the machine is supported by a steady rest called a spider. At the lower end, the main shaft passes through the eccentric journal, offsetting it from the crusher’s centerline. At the upper end, the main shaft connects to a crushing head or mantle through a heavy nut, allowing for vertical movement.

Gyratory crushers often serve as the starting point for hard rock mining. These machines reduce the aggregate size to approximately one-tenth of its original dimensions. While some plants utilize Bradford Breakers and Mineral Sizers, many rely on the efficiency of gyratory crushers. Haul trucks deliver ore from mines to the plant, discharging it into an upper-level feed hopper. Crushed ore is then discharged from the bottom shell assembly. In some cases, a grizzly feeder is used instead of a conveyor belt, facilitating the screening of undersize ore before it reaches the gyratory crusher and is directly transferred to an output conveyor.

Advantages of Gyratory Crushers

Gyratory crushers offer several benefits over other rock crusher types, including:

  1. High Output Volume: With the ability to process more volume per hour and handle larger rocks, gyratory crushers are a superior choice for large-scale projects.
  2. Consistent Product: These crushers deliver a more consistent product size, ensuring compatibility with specific aggregate mixture requirements for your projects.
  3. Precision: Gyratory crushers excel in breaking down challenging materials into aggregate solutions that meet your project’s specifications, enabling precise outcomes.

Choose from Our Superior MK Series Gyratory Crushers

At NorX, we provide access to the industry-leading Superior MK series gyratory crushers, ensuring exceptional performance and reliability for your crushing needs:

  1. Metso Superior MKIII 54×75 Gyratory Crusher
  2. Metso Superior 50×65 MK-III Gyratory Crusher
  3. Metso Superior 42×65 MK-II Gyratory Crusher
  4. Rent Professionally Maintained Gyratory Crushers with NorX

For heavy-duty rock crushers that deliver efficiency and cost-effectiveness, turn to the experienced team at NorX. Our equipment experts are ready to guide you in choosing the right model of gyratory crusher that perfectly aligns with your project’s unique requirements. Contact us today at (770) 338-0111 to explore our rental options and elevate your rock crushing endeavors.

Superior MK Series Gyratory Crushers