gyratory crushers cited

Gyratory crusher model and impact parameters related to

The development of a gyratory crusher model was achieved in the following three main stages: mathematical representation and coding of the crushing process; building an amperage constant model to derive an energyscaling formula; and modifying the amperage constant model to represent a fullscale model Due to their significant influence on feedsize distributions, two blasting parameters, ie

Cited by: 5

USA Gyratory crusher Google Patents

In the usual gyratory crusher the spindle shaft with its inner crushing head rests together with the thrust bearing combination on top of the adjusting piston and the radial forces of the crusher are transmitted to the frame from above the adjusting piston One disadvantage of this solution is the unevitable fact that the crusher is constructed to be quite high

Gyratory Crusher an overview | ScienceDirect Topics

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 Hammer crushers are used either as a onestep primary crusher or as a secondary crusher for products from a primary

USA Gyratory cone crusher Google Patents

A gyratory cone crusher of the type having a crusher head assembly mounted on an intermediate member supported for rotary motion on a shaft to produce gyratory motion of the crusher head assembly within a bowl assembly The intermediate member including a skirt surrounding the shaft and a stub shaft of reduced diameter extending upward above the shaft

Cited by: 22

Gyratory and Cone Crusher ScienceDirect

01/01/2016· Gyratory crushers can accept 8–10% moisture in operation, but the fine content should be preferably less than 10% The crushing action in gyratory crushers is regarded as rings or ‘helics’ (spirals) of feed down through the crusher of which a single section may be regarded as similar to the jaw crusher Therefore, computations leading to

USA Gyratory crushers Google Patents

Gyratory crushers Download PDF Info Publication number USA USA USA USA US A US A US A US A US A US A US A US A US A Authority US United States Prior art keywords crusher torque cylinder valve jack Prior art date Legal status (The legal status is an

DEB gyratory crusher Google Patents

gyratory crusher gyratory crusher Prior art date Legal status (The legal status is an assumption and is not a legal conclusion Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed) Pending Application number DEK58385A Other languages German (de) Inventor DrIng Hanns Decker Helmut Stoeckmann Current Assignee (The

USA Gyratory crushfr with vertically

Gyratory crushfr with vertically adjustable head Download PDF Info Publication number USA USA USA USA USA US A US A US A US A US A US A US A US A US A US A US A US A Authority US United States Prior art keywords frame bearing

Simulation and optimization of gyratory crusher

01/10/2020· 1 Introduction The gyratory crusher is widely used in primary crushing of metal ore such as iron ore and copper ore due to its high productivity and large feed inlet [, , ]In recent years, with the growth of the world's population, the development of urbanization and the improvement of living standards, the demand for the ore continues to increase, therefore, the requirements of the

Simulation and optimization of gyratory crusher

To study and optimize the gyratory crusher performance, taking the process of crushing iron ore by the gyratory crusher as the specific analysis object in this paper First, the discrete element method (DEM) analysis model of the iron ore based on the bondedparticle model (BPM) is established On this basis, the impacts of the mantle shaft angle, the concave angle, the eccentric angle, and

gyratory crusher | SpringerLink

gyratory crusher Kreiselbrecher m

(PDF) A Gyratory Crusher Model and Impact Parameters

The development of a gyratory crusher model was achieved in the following three main stages: mathematical representation and coding of the crushing process; building

Improved gyratory crushing operation by the

01/11/2004· Crusher performance is significantly impacted by liner material wear, wear profile, feed size distribution, feed type, and feed rate (Bearman and Briggs, 1998) This work is based on cone crushers, but the similarities between these types of crushers and gyratory crushers suggest that the results may be transferable to gyratory crushers

Gyratory equipment Wikipedia

Gyratory equipment is capable of handling feeds of 500 tons/(h·m 2) with separation efficiency up to 98% for dry processes, with feed materials to be separated not below a diameter of 4 μm Wet processes in the other hand can only manage a relatively high efficiency (85%) if the moisture content is above 70% Eccentric weights can be varied accordingly to obtain desired ratio of coarse vs

MS CORE

In mining operations generally jaw and gyratory crushers are used for primary crushing and cone crushers are used for secondary crushing During the past couple of decades High Pressure Grinding Roll (HPGR) crushers are being considered by mining companies due to lower energy consumption In the present research copper ores (copper oxide and copper sulfide ores) were crushed by a jaw crusher

Gyratory crusher having dynamically adjustable stroke

The gyratory crusher according to claim 1, wherein said stroke adjusting means includes said second mounting arrangement having an outer portion rotatable relative to said eccentric member about a third axis, and wherein said third axis is angularly offset from both said first and second axes 3 The gyratory crusher according to claim 2, wherein said crusher is configured to have a maximum

gyratory crusher | SpringerLink

gyratory crusher Kreiselbrecher m

Simulation and optimization of gyratory crusher

01/10/2020· 1 Introduction The gyratory crusher is widely used in primary crushing of metal ore such as iron ore and copper ore due to its high productivity and large feed inlet [, , ]In recent years, with the growth of the world's population, the development of urbanization and the improvement of living standards, the demand for the ore continues to increase, therefore, the requirements of the

Gyratory crusher LOKOMO OY

A gyratory crusher according to claim 1, characterised in that the piston (6) mounts the wabbler shaft (4) by means of a radial bearing (8) Description: This invention concerns a gyratory crusher and especially concerns the mounting of its spindle shaft by bearings and an adjusting piston In the context of this invention, by gyratory crusher is meant all spindle and cone crushers that

Gyratory crusher for comminuting material to be crushed

A gyratory crusher for comminuting material to be crushed, comprising: a crusher housing that includes a first receiving pocket defined therein; a crusher shaft disposed within said crusher housing and configured to tumble about a vertical axis; a cross member having crossmember ends, wherein the first receiving pocket of the crusher housing is configured to receive a first of the cross

Improved gyratory crushing operation by the

01/11/2004· Crusher performance is significantly impacted by liner material wear, wear profile, feed size distribution, feed type, and feed rate (Bearman and Briggs, 1998) This work is based on cone crushers, but the similarities between these types of crushers and gyratory crushers suggest that the results may be transferable to gyratory crushers

Optimization of primary gyratory crushing at Highland

This thesis presents the work done in a collaborative research project between the University of British Columbia and Highland Valley Copper The research was aimed at understanding gyratory crusher liner wear in the overall context of the crushing process Wear measurements were taken for inservice crushers during the research period using a novel laser profile measurement device Data from

crusher gyratory description

Crusher A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock A gyratory crusher is similar in basic concept to a jaw crusher, consisting of a concave surface What links here · Related changes · Upload file · Special pages · Permanent link · Page information · Cite this page · Wikidata item

The Effect of Liner Wear on Gyratory Crushing – A DEM

Gyratory crushers are frequently used for first stage sizing in the minerals processing industry and are typically critical path fixed plant equipment Hence any associated downtime or inefficient operation can have serious consequences for downstream processing and therefore the overall plant productivity Despite the pressing requirement to tightly control gyratory crusher operation, no

(PDF) THE EFFECT OF LINER WEAR ON GYRATORY

Gyratory crushers are frequently used for first stage sizing in the minerals processing industry and are typically critical path fixed plant equipment Hence any associated downtime or inefficient