Roll crushers with differing tooth configurations can handle feed material of up to 1500 mm to generate a product of some 250 mm at rates of up to 2500 t/h. Roll crushers with smooth rolls are used for pulverization to generate a product granulometry of ≤ mm. To provide optimum protection for the roll crusher, a hydraulic floating roll ...

Design and production of an indigenous roll crusher ... into the roll crusher is determined by the radius of the roll R, roll gap, L and the angle of nip . ... The speed ratio is 5:1, and a sprocket teeth should not be less than 21 on the small sprocket for moderate speed [7], [9]. The sprocket on the motor

The drive is assembled on a base frame, which is connected with the roll crusher. The floating roll drive, also supported in pivoting mode, is connected with the floating roll rocker arm by a coupling rod. This ensures that a constant drive belt tension exists during the retraction movement of the floating roll, and during gap adjustment.

 — The shape of the teeth is generally pyramidal. The roll surfaces play an important part in the process of nipping a particle and then dragging it between the rolls. The corrugated and ribbed surfaces offer better friction and nip than smooth surfaced rolls. ... Roll Crusher Design Circuit. 6.3. Operation of Roll Crushers. The feed to roll ...

DOUBLE ROLL CRUSHER DR13 Features Solution for medium-hard rock as well as sticky and soft materials (coal, limestone, clay, salt, etc.) Weld-on hard-faced crushing teeth with various configurations for most difficult applications Integrated flywheel equalizing torque peaks, thus reducing required motor power Permanent parallel position of crushing rolls …

 — Our differential and grading toothed roll crusher blends the advantages of a toothed roll crusher and a jaw crusher and possesses characteristics of great crushing, high breaking efficiency, multi-sieving and has, for the moment, made up for the shortcomings of the toothed roll crusher. The moving jaw of the crusher is a crank-rocker mechanism.

Meet the predetermined requirements of crushing material particle size. This paper introduces the general situation of mineral sizers crusher and its profile and layout …

Double-roll crushers are able to crush more finely than single-roll crushers, because they are designed with teeth that mesh together rather than rotating past a smooth plate. …

Triple Roll Crushers combine a Single Roll Crusher with a Double Roll Crusher to form a crusher that is capable of achieving a 6:1 reduction ratio in the primary stage and a 4:1 reduction in the secondary stage while …

Design benefits Direct and V-belt drive options Depending on your requirements, our Double Roll Crushers can be equipped with direct and with V-Belt drive options. Adaptable design With years of experience in tooth design, we use the latest technologies to match teeth, liners and gap settings to your operation. This not only

The tooth roller crusher is mainly composed of a major component such as an active atrial roll, a passive tooth roller, a casing, a seat, a broken tooth roller, a gas-liquid buffer and a motor. The main, the secondary drive gearbox and the upper and lower crushers are formed to form an integral gear transmission after the interior housing coupling.

Regardless of the tooth configuration or roll setting, the crushing principles are the same. Material is crushed as a result of the combination of impact, shear and compression. Despite the fact the rolls are rotating at a relatively slow speed, some material breakage occurs when feed material enters the crusher and is impacted by the crusher ...

The length of the inlet can be adjusted at the design stage to suit the tonnage required and can be constructed as a fixed or adjustable centres unit. A wide range of existing tooth configurations are available for this machine to cover most applications. Dimensions and weights shown are typical, and may vary dependant upon configuration.

CPC Double Roll Crusher. Application. Coarse size reduction of hard and medium-hard material (lime stone, magnesia, salt, fertilizer, coal etc.) ... Design of crushing teeth according to the material requirements (number, size, position, form, hardness) Integration in semi-mobile plants possible; Mode of operation. Crushing of the feed material ...

Design and production of an indigenous roll crusher for low hardness rocks provides impetus for industrial growth. Size reduction equipment are classified into crushers and …

Eccentric Roll Crusher ERC® RollSizer Back. Cone Crusher Liners ... The carefully considered design features of our roller and sizer product range offer a number of key benefits including: ... clay, shale and coal with …

911 Metallurgist can enter the scene and see what you have become blind to. We can fix issues in ways you never thought possible. Our fresh eyes will open new opportunities for your plant. Each mineral processing plant has varied ore types, mining equipment, (crusher, ball mill, flotation, tailings), and management (operating) philosophy.The evaluation and …

Due to the low crushing ration, the thyssenkrupp Polysius Double-Roll-Crusher is producing a product size ditribution with less content of fines and therefore it is the most suitable machine for the lime-industrie. Contact. thyssenkrupp Polysius . General Contact. Graf-Galen-Straße 17. 59269 Beckum

McLanahan Sizers are direct drive crusher-sizers that are used in the primary and secondary reduction of friable, low-silica minerals. ... The direct drive arrangement and low-profile design of Sizers is ideal for movable configurations, such as wheel-mounting for a movable configuration. ... Reducing Roll Crusher/Sizer Downtime with Weld-On Teeth.

Our Eccentric Roll Crusher ERC® offers an innovative and patented design that enhances performance and durability. We have mounted the roll eccentrically between the crushing chamber and the integrated screening chamber to increase wear resistance, improve efficiency and achieve optimized, better-integrated and automated mining crushing …

 — Rolls were easy to manufacture, to install and to operate in a wide range of applications. A robust and reliable design, low machine height and an excellent ratio of capacity versus machine mass make double-roll crushers (DRC) still today the preferred choice for many soft to medium-hard rock applications in quarries and ore mines.

The Steele Smooth Roll Crusher plays a key role in bulk raw material preparation, processing clays, coal fines, coke breeze and gypsum waste. ... Crushing and shearing improve mix quality, so we use a twin-speed roller design. The slow roller turns at approximately 280 rpm and is paired with a fast roller running at approximately 290 rpm ...

 — This chapter deals with the designs and operation of different types of roll crushers. Two main types are indicated. The first type where the rolls are rotated in …

Roll Crusher is designed to withstand the toughest mining conditions while delivering consistent, ... thanks to the customised tooth and liner design and optimised installed power and drive set-up. Double R oll Crusher DRC 18-18 Primary Crushers High capacity – consistent product – maintenance-friendly ...

How Single Roll Crushers Work. A Single Roll Crusher is made up of a toothed roll assembly, which crushes the incoming feed material against a crushing plate. The Single Roll Crusher is designed to reduce larger feed sizes to the desired product size at a 6:1 ratio of reduction while producing a considerably lower percentage of fines.

Roll Crusher Overview Materials Crushed. Coal: from ROM coal to clean coal, lignite (brown coal), bituminous, sub-bituminous, and Anthracite including frozen agglomerates ... roll crushers are available with Gundlach's breakthrough 3-D crushing technology that includes intermeshing continuous tooth roll design and positive roll timing that ...

The simple design of double roll crushers makes them easy to maintain and repair. The hydraulic gap adjustment allows for quick and easy release in the event of an overload or tramp metal incident, ensuring maximum …

 — The low speed design and heavy-duty construction of tooth roll crushers result in reduced noise and vibration, enhancing workplace safety and productivity. Tooth roll crushers offer a range of advantages …

 — In all crushing applications, the end user experiences wear on their crushing elements, whether it be jaw dies, Cone Crusher liners, Horizontal Shaft Impact Crusher blow bars or the rolls in Roll Crushers.. If one was able to extend the life of these elements, this would equate to increased production due to less downtime required for …

 — Double roll crushers (DRC) have the highest throughputs among primary crushers. In the oil sands, the hourly capacity may exceed 14,000 t/h. They are preferably used to comminute medium-hard rock ...