Typically material is brought to the crusher by large haulage trucks and dumped into a rock box. The gyratory crusher is located at the bottom of the rock box. Material is crushed between the eccentrically mounted rotating crushing cone and the fixed, tapered crushing throat.
Gyratory crusher wear parts engineered for your unique needs. Real world solutions For over four decades, Columbia Steel has applied the same engineering problem-solving to gyratory crushers which has proven so effective on cone crushers.
Columbac is the backing material preferred for manganese parts in gyratory and cone crushers. A safe and easy to handle backing material that's strong and virtually void-free. Tough, resilient, and non-metallic, Columbac is the two-component, solids epoxy backing material proven to be an excellent replacement for zinc in both portable ...
All rock crushers can be classified as falling into two main groups. Compressive crushers that press the material until it breaks, and impact crushers using the principle of quick impacts to crush the material. Jaw crushers, gyratory crushers, and cone operate according to the compression principle.
Friction controls the flowability of the material through the gyratory. Friction values are typically between 0.2 and 0.3 . For a cone angle of 75°, friction of 0.2, and product size of 10.2 cm, the minimum gyration speed is 190 rpm.
Gyratory crushers can produce size reduction ratios over a somewhat larger range of 3:1 to 10:1. The primary operating variable available on a crusher is the set and on jaw and gyratory the open-side set (OSS) is specified. This reflects the fact that considerable portions of the processed material fall through the crusher at OSS and this ...
Feb 26, 2019· Material is dumped into the primary gyratory crusher at Aggregate Industries' (member of LafargeHolcim) Morrison Quarry in Colorado.
Primary crusher is only for the breaking of large stones into pieces (this mean primary crusher is not for the aggregate size material.). Examples of primary crushers are jaw crusher; hammer mill crusher and gyratory crusher. After receiving primary crusher crush the material and produce a new fresh reduce size of the source material.
Mar 01, 2013· Irregularly shaped feed material, large chunks, or tramp in the crushing chamber of the gyratory crusher sometimes force the mainshaft upward in a quick "jumping" action. A single balance cylinder on some units, or multiple balance cylinders on others, is furnished to make the piston follow the mainshaft up when it is raised by jumping and ...
A gyratory crusher includes a solid cone set on a revolving shaft and placed within a hollow body, which has conical or vertical sloping sides. Material is crushed when the crushing surfaces approach each other and the crushed products fall through the discharging opening.
How you select your primary crusher will be based on factors like moisture content, maximum rock lump size, material density SG, abrasion index, degradability and it being prone to dusting or not. The crusher capacities given by manufacturers are typically in tons of 2,000 lbs. and are based on crushing limestone weighing loose about 2,700 lbs. per yard3 and having a specific gravity of 2.6.
primary gyratory crushers are robust machines engineered to deliver the utmost availability. Combining well-proven design with advanced technology, the crushers are ideal for tackling large boulders with a large feed opening and a grooved mantle, an optimized nip angle, and self-tightening concave liners for maximized capacity, output and machine life.
Gyratory Crushers. The primary rock breaker most commonly used in large plants is the gyratory crusher, of which a typical section is shown in Fig. 5. It consists essentially of a gyrating crushing head (521) working inside a crushing bowl (522) which is fixed to the frame (501).
Typical gyratory equipment operation circulates around eccentric weight and screen frames. Materials are distributed along the screen surface and undersize materials are allowed to penetrate the screen. A rule of thumb is to be followed for high separation efficiency and smooth operation:
's product family of primary gyratory crushers is classified as Superior™ primary gyratory crushers. Utilized in the first stage of the crushing process, primary gyratory crushers are designed to process very large quantities of material with high capacity.
As with the jaw crusher, material travels downward between the two surfaces being progressively crushed until it is small enough to fall out through the gap between the two surfaces. A gyratory crusher is one of the main types of primary crushers in a mine or ore processing plant.
Mar 26, 2018· Of course, it is important to ensure that there is adequate surge capacity/space under the crusher so that all of the material in and above the crusher has a place to go if the takeaway feeder or conveyor should be tripped. When operated and maintained properly, a primary gyratory should last …
A gyratory crusher is an ore processing machine that crushes the ore between an eccentrically mounted cone and a crushing throat that is fixed. In mining, the most important criteria for effective crushing of oresis to choose the type of crusher that suits the rock (ore) material and to ensure uniform feed.
material than comparable gyratory crushers of the same mantle diameter. Jaw gyratory crushers feature a higher crushing ratio and less tendency to become clogged in the feed zone as a result of bridging Jaw gyratory crusher Weights 1) Type Feed opening Mantle diameter (oversized) Speed of eccentric bushing Max. motor power
stationary crushers and screens - productivity driven by technology. We focus on continuous improvement in product development to ensure our solutions consistently exceed your expectations, and engineering the latest technology into crushing and screening equipment is essential.
Jun 02, 2017· A gyratory crusher is one of the main types of primary crushers in a mine or ore processing plant. Gyratory crushers are designated in size either by the gape and mantle diameter or by the size of the receiving opening. Gyratory crushers can be used for primary or secondary crushing.
Primary gyratory crushers are used in the primary crushing stage. Compared to the cone type crusher, a gyratory crusher has a crushing chamber designed to accept feed material of a relatively large size in relation to the mantle diameter.
Gyratory crusher is a large-scale crushing machine used for primary crushing of various hard ores or rocks, the feed material will be compressed, broken and bended through gyrating movement of breaking head within the chamber.
FIG. 2 is a partial vertical cross-sectional view of a portion of the gyratory crusher shaft. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS. Referring to FIG. 1, a gyratory crusher 10 can be utilized to crush rock, ore, minerals, waste, or other material. Gyratory crusher 10 is assembled on a cast steel base or bottom shell 12 having a ...
3. Gyratory crusher The gyratory crusher is a large scale crushing machine which uses the gyratory movement of the crushing cone in the crushing cavity to extrude, squeeze and bend the materials. When the shaft sleeve rotates, the crushing cone is moving in …
This invention deals generally with gyratory crushers, and more specifically with a gyratory crusher for which all regular service and parts replacement can be accomplished from above the crusher. Gyratory crushers are well established machines that are used for crushing rocks, ore, and other materials.
Raw material, of various sizes, is brought to the primary crusher by rear-dump haul units, or carried by a w heel front- end l oader . Pr imar y cr ushi ng reduces thi s run- of -mine r ock to a more manageable size. The different types of primary crushers are: jaw crushers, gyratory crushers, impact crushers, and autogenous crushers. JAW CRUSHER
Gyratories and jaw type gyratory crushers as an integral part of semi-mobile and stationary processing plants are used for primary crushing of bulk materials mainly in …