· 36 FACTORS INFLUENCING THE OPERATION OF A BLAKE JAW CRUSHER. 1. The reduction ratio ( Gape / Set) 2. Speed and amplitude of strokes and movable jaw. 3. Size distribution of feed. 4. Crushing properties of ore. CAPACITY OF A JAW CRUSHER T

Learn More· Blake (Double Toggle) Originally the standard jaw crusher used for primary and secondary crushing of hard, tough abrasive rocks. Also for sticky feeds. Relatively coarse slabby product, with minimum fines. Overhead Pivot (Double Toggle) Similar applications to Blake. Similar applications to Blake.

Learn MoreD f / D p – Size reduction ratio • Coarse grinding has RRs below 8:1 • Fine grinding can exceed 100:1 • Grinding of coarse particles in which the increase in surface area per unit mass is relatively small, Kick''s Law is a reasonable approximation • Rittinger''s law ...

Learn More· Jaw crushers are used as primary crushers, or the first step in the process of reducing rock. They crush primarily by using compression. The distinctive feature of this class of crusher is the two plates which open and shut like animal jaws. The jaws are set at an ...

Learn More3. Black jaw crusher 4. Weight balance 5. Ro-Tap sieve shaker THEORY: Blake Jaw Crusher: It has its moving jaw pivoted at the top. It is classified on the basis of single or double toggle type. A jaw crusher has 2 jaws said to form a V-shaped at the top through

Learn MoreAsst.Prof. Dr. Ayşe KALEMTAŞ COMMINUTION Crusher type Reduction ratio Jaw a) Double toggle 1) Blake 4:1–9:1 2) Overhead pivot 4:1–9:1 b) Single toggle: Overhead eccentric 4:1–9:1 Gyratory a) True b) Cone 1) Standard 4:1 – 6:1 2 ...

Learn MoreCrushers and Their Types – IspatGuru Apr 03, 2015 · Jaw crusher Jaw crusher is used as primary crusher. It uses compressive force for breaking the material. This mechanical pressure is achieved by the two jaws of the crusher. Reduction ratio is usually 6:1. The ...

Learn MoreReduction Ratio Of A Blake Jaw Crusher Capacity:1-1000t/h Pdf size reduction by crushing methodspdf size reduction by crushing methodsAll crushers have a limited reduction ratio m eaning that size reduction will take place in stages a jaw crusher is generally ...

Learn MoreCrushers: Blake Jaw Crusher ''V'' Opening at the top Reciprocating in a horizontal Plane ... These operates most effectively when set to give a reduction ratio of 3 or 4 or 1. That is the max diameter of the particle is 1/3rd or 1/4th of that feed. The forces ...

Learn MoreUnit OperatiOn Lecturer . Shymaa Ali Hameed 2013-2014 Example 2 : A material is crushed in a Blake jaw crusher such that the average size of particle is reduced from 50 mm to 10 mm with the consumption of energy of 13.0 kW/(kg

Learn MoreFive factors affecting new jaw crusher productivity Time: 2015-01-04 Factors new jaw crusher productivity, including many in the course of daily operations, due to the operator neglect of these factors led to a significant reduction in the production efficiency of the ...

Learn MoreCrushing and pulverizing The reduction of materials such as stone, coal, or slag to a suitable size for their intended uses such as road building, concrete aggregate, or furnace firing. Reduction in size is accomplished by five principal methods: (1) crushing, a slow ...

Learn MoreJaw Crusher Reduction Ratio Krosline Jaw Crusher Reduction Ratio. The size of a jaw crusher is usually described by the gape and the width, expressed as gape widthhe common crusher types, sizes and their performance are summarised in table 4currently []

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Learn More· Primary jaw crushers typically operate in open circuit under dry conditions. Depending on the size reduction required, the primary jaw crushers are followed by secondary and tertiary crushing. The last crusher in the line of operation operates in a closed circuit.

Learn MoreBlake Jaw Crusher 911 Metallurgist 2016-1-15 Crushing angles in standard Blake-Type machines generally run in the neighborhood of 27 deg, at the mini mum open-side discharge setting. The ratio-of-reduction at minimum recommended settings and with straight

Learn MoreFor a jaw crusher the thickness of the largest particle should not normally exceed 80–85% of the gape. Assuming in this case the largest particle to be crushed is 85% of the gape, then the gape of the crusher should be = 45.7/0.85 = 53.6 cm and for a shape factor of 1.7, the width should be = 45.7 × 1.7 = 78 cm.

Learn MoreApplication Field Jaw Crusher is widely used to crush materials into medium size in the first crushing process of ore rocks, so your rocks would get be ready for the secondary crushing. it had a wide range of suitable materials, such as granite, marble, basalt, limestone, quartz, pebble, iron ore, copper ore and so on. the jaw crusher is applicated in mining, metallurgy, building, highway ...

Learn More· Source: Dejan Polak For most applications, 7:1 is the maximum practical reduction factor (ratio) for a jaw crusher, but 6:1 represents better design practice. Source: Jack de la Vergne A well-designed jaw crusher installation has the lip of the chute overlapping the throat of the vibrating feeder by 400 mm (16 inches) to prevent spill resulting from the inevitable blowback of wayward fines.

Learn More· (i) Blake Jaw Crusher : (i) movable jaw is pivoted at the top, (ii) maximum movement is at the bottom, (iii) no tendency to choke/clog (freedom from choking), (iv) suitable for high production rates, (v) large reduction ratio is not possible, (vi) low maintenance, (vii) comparatively made in large sizes, (viii) does not give uniform product, (ix) commonly/widely used.

Learn MoreJaw Crushers reduction ratio is dependent on the actual size of the crushing chamber/box, the larger the opening for feed material, the larger the minimum C.S.S. will be. This is due to the geometry of larger boxes having a larger feed opening, and the feed exit scales up with it.

Learn More· Stone Crushing Machine: Reduction ratio of a blake jaw crusher - We provide customers with a variety of good quality construction and mining crushing equipment, and optimize the combination of various types of equipment to meet different process needs.

Learn Morereduction ratio of a blake jaw crusher A general rule of thumb for applying Cone Crushers is the reduction ratio. A crusher with coarse style liners would typically have a 6:1 reduction ratio. Thus, with a 3⁄4" closed side setting, the maximum feed would be 6 x 3⁄4 ...

Learn Moretheory of blake jaw crusher - Iron beneficiation and iron Ore . process of blake jaw - . 11 Oct 2012 Blake ... blake jaw crusher ... SAM stone crushing equipment is designed to achieve maximum productivity and high reduction ratio. From large primary ...

Learn MoreCrusher reduction ratio - mineral processing metallurgy sep 19 2012 jaw crushers offer reduction ratios of up to about 6 1 while cone crushers can reduce material size up to a maximum of 8 1 ratio the finer the crushing the smaller the reduction ratio as a basic

Learn More* The high speed, impact force of the rotating hammer allows size reduction in an instant. * The Reduction Ratio is large and it is capable of crushing hard materials. * Suitable for relatively safe crushing of materials containing silica over 15%. Reference - Swing

Learn MoreAll crushers have a limited reduction ratio m eaning that size reduction will take place in stages. 3.2 ... Jaw Crushers have found their extensive app lication for the mid crushing of the va ...

Learn More10 x 16 High Reduction Ratio Jaw Crusher 911MPEJC400. 10 x 16 High Reduction Ratio Jaw Crusher 911MPEJC400 Jaw Crushers for Coarse Primary Crushing and Mid Range Primary Crushing. This 3.5 TPH jaw crusher is equipped with a 20 HP motor and a 7 X 14 jaw cavity that will produce a discharge crushed product of under . 10mm.

Learn Morereduction ratio and Verification of Rittinger''s law of Crushing. 13-15 6 Crushing of Ore in a roll crusher, and Determination of average size by sieving. 16-18 7 . Blake Jaw Crusher: It has its moving jaw pivoted at the top.

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