Failure analysis of eccentric bushings in large gyratory crusher

Shortly after the start-up of the loaded gyratory crusher, a severe failure issue occurred in the eccentric bushing of the crusher. Based on the analysis of working conditions and force, the failure mechanism of the eccentric bushing is studied in detail by combining macroscopic analysis, finite element analysis, scanning electron microscopy (SEM) and energy …

DE102012110331A1

The invention relates to an eccentric roller crusher with a crusher housing (1), a drive shaft (2), an eccentrically and rotatably mounted on the drive shaft roller (3) and a rocker (4) for adjusting an outlet gap (A) between roller ( 3) and rocker (4) about a rocker axis (S) is pivotable. According to the invention, an entry gap (E) for the material to be crushed is formed by a separate guide ...

Cone Crusher Diagram: Simplified Guide

The eccentric shaft, powered by the crusher's motor, makes the mantle move in a circular, back-and-forth motion. This creates compression and release cycles inside the chamber. During compression, the ore is severely crushed between the mantle and the bowl liners. The ore particles are pulverized and reduced in size as the mantle sinks.

Eccentric Shaft Jaw Crusher

An eccentric shaft jaw crusher uses an eccentric shaft mechanism to crush materials. The jaw crusher itself consists of two main components: a fixed jaw plate and a movable jaw plate. The eccentric shaft, positioned at the top of the movable jaw, is the component that drives the movable jaw, creating a compressive force to break down rocks and ...

Understanding the Cone Crusher Working Principle: How It …

A cone crusher is a powerful tool used in the mining, aggregate, and construction industries to crush materials into smaller pieces. But how does it work? In this article, we'll explore the cone crusher working principle, including the eccentric motion of the main shaft, the crushing process, and the importance of proper maintenance. Whether you're a seasoned industry …

Gyratory Crusher Components

It is this eccentric bushing and bearing that gives the crusher its crushing action. To understand how it works it might help to learn the dictionary meaning of the word eccentric which is: Differing conspicuously in behaviour, appearance, or opinions.

Roll crushers – ERC and double roll crusher – FLS

Our Eccentric Roll Crusher (ERC®) is a game-changer for primary crushing of hard rock and ore in underground and surface operations. Compact and robust, our ERC® features an integrated screen, which provides significantly higher …

Roll crushers – ERC and double roll crusher – FLS

An eccentric roll crusher combines the benefits of roll and jaw crushing. The ERC features an eccentric shaft positioned above the crushing chamber. The eccentric motion generated by the shaft allows the roll to oscillate within the crusher frame, compressing and crushing the material against a stationary anvil or curved crushing plate. ...

Cone crusher basics in 4 minutes

CH cone crusher. The open side and closed. As the feed is crushed, it falls and exits the crusher through the space at the bottom. The eccentric gyration of the mantle means that at any moment this space is narrowest at one point, and widest at the opposite point. The widest distance is known as the open side setting (OSS) and the ...

CS660 Cone Crusher For High Capacity Applications …

CS660 cone crusher has a hydraulically supported main shaft that is supported at both ends. It also has a robust crusher design, adjustable eccentric throw, and a constant intake opening. This crusher is suitable for a high-capacity secondary crushing application.

Product datasheet Eccentric R oll Crusher – ERC® 22-20 …

Our Eccentric Roll Crusher (ERC®) is a game-changer for primary crushing of hard rock and ore in underground and surface operations. Compact and robust, our ERC® features an integrated screen, which provides significantly higher efficiency and greater capacity than conventional primary crushers. Benefits CAPEX reduction of up to 10%

Jaw Crusher+eccentric Shaft+assembly

Jaw-type Rock Crusher With Toggle Plate Tension Bar – Patent … Most jaw-type crushers usually have a fixed jaw and a large … Method for operating an eccentric jaw crusher: … rod assembly retaining pin and fits in a slot …

Cone Crusher

Cone Crusher Eccentric Design. Rather than use one eccentric throw under all operating conditions, Hydrocone crushers are designed to operate most efficiently with a predetermined ratio of eccentric throw to the crusher setting. By operating with an eccentric throw specifically selected for a given application, the most desirable crushing ...

Eccentric assembly unit in cone crusher

The eccentric assembly unit in cone crusher, shown in fig. 1, consists of body, which has a shape near to the cylindrical shape, manufactured of steel, a cone gear wheel is joined immovably to one of the ends. Inner surface of the body 1 is treated with an angular eccentricity towards its outer surface. A bushing 3, which serves as a plain ...

Mining Technologies Eccentric roll crushers ERC

With its new eccentric roll crusher (ERC ®) thyssenkrupp Industrial Solutions has developed a groundbreaking solution for the primary crushing of hard rock and ore.

Eccentric Roll Crusher ERC®

Our Eccentric Roll Crusher ERC® features an innovative and patented design that enhances both performance and durability. This is thanks to its particularly flat and robust design, which makes the primary crusher highly wear resistant.

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We are manufacturers of high-performance hydraulic attachments for excavators from 4 to 150 tons.. Our main products are: the impact hydraulic ripper XCENTRIC RIPPER, the XCENTRIC CRUSHER bucket and the XCENTRIC …

Eccentric bushing | Wear Parts For Industry | Qiming Casting

Cone Crusher Eccentric Bushing. The eccentric bushing is a component of a cone crusher that is located at the center of the main shaft. It is used to support the gyratory movement of the main shaft and also serves as a bearing. The eccentric bushing is made of bronze, which has good wear resistance and can withstand high loads.

What is the eccentric throw?

The eccentric throw is one of the most important parameters in defining the job that your cone crusher does. The mantle in a cone crusher spins in conical pendulum motion. That means it doesn't stay in the center of the chamber – it …

Eccentric Roll Crusher ERC®

Our Eccentric Roll Crusher ERC® offers you an innovative and patented design that enhances performance as well as durability and gives you a competitive advantage.

Eccentric Shaft

The eccentric part of the eccentric shaft is surrounded by needle rollers positioned inside a bored hole in the bridge block and is connected to the inside pad via two threaded adjustment barrels and a load plate. On either side of the eccentric are stub shafts which are mounted via needle rollers in the caliper.

DK2911793T3

An eccentric roller crusher according to claim 1 or 2, characterized in that a connecting line (V) between an axis of rotation (D) of the drive shaft (2) and the crankshaft (S) forms an angle (a) less than 45 ° in relation to a horizontal plane. 4. Excenter-valseknuser ifølge et hvilket som helst af kravene 1 til 3, kendetegnet ved,at der på ...

Jaw Crushers

On the overhead eccentric style Jaw Crusher, the moving swing jaw is suspended on the eccentric shaft with heavy-duty double roll spherical roller bearings. The swing jaw undergoes two types of motion: one is a swing motion toward the opposite chamber side (called a stationary jaw die due to the action of a toggle plate), and the second is a ...

Eccentric Roll Crusher

FL's Eccentric Roll Crusher (ERC) boosts energy efficiency, throughput, and reduces wear for primary crushing of hard rock in comminution processes.

XCENTRIC CRUSHER

The Xcentric Crusher is a consistent quality and high performance crusher bucket, for rock crushing and recycling of materials. Built in HARDOX 400. Solid, durable, characterized by the recognizable clean lines designed to resist wear …

Jaw Crusher Diagram: Simplified Guide

Support the eccentric shaft and the swing jaw, enabling their movement.Support the eccentric shaft and the swing jaw, enabling their movement. High-quality bearings reduce wear and tear, ensuring longer operation life. Toggle Block: Allows for fine adjustments to the jaw setting. Enhances the crusher's performance and operational efficiency.

Thyssenkrupp Eccentric Roll Crusher

First published in the September 2019 issue of Quarry Management as An Eccentric Solution. Designed initially as a smaller option for primary crushing operations in underground mines, the eccentric roll crusher …

Industrial Solutions Eccentric roll crusher ERC

crusher also ideal for use in mobile and semi-mobile crushing systems. Advantages – How you benefit With its new eccentric roll crusher (ERC) thyssenkrupp Industrial Solutions has developed a groundbreaking solution for the primary crushing of hard rock and ore. The new crusher is particularly compact and robust. Its innovative design with

Eccentric Roll Crusher

The ERC is particularly compact and robust, ideally suited for the primary crushing of hard rock and ore in underground and surface operations. Its innovative design with an integrated screen …

Dr. Piotr Szczelina, Frank Drescher, Dr. Falk Silbermann

New ERC25-25 eccentric roll crusher revolutionizes primary crushing in underground mines Summary: thyssenkrupp has developed the new eccentric roll crusher ERC25-25. In the …