jaw crusher size reduction ratio

Ideally the reduction ratio of a jaw crusher should be to There are different ways to calculate reduction ratio but the best way is something called the P80 factor The reduction ratio is then calculated by comparing the input feed size passing 80 percent versus the discharge size that passes 80 percent

All crushers have a limited reduction ratio m eaning that size reduction will take place in stages 32 Operation stages The operating stages in minerals process ing have remained the same for

Nesting population size crusher in general for simple pendulum crusher ratio of 5 to 10 in recent years in order to get more granular level products medium and small crusher to advanced crushing chamber large crushing ratio direction The biggest reduction ratio up to 17

Sep 19 2012 jaw crushers offer reduction ratios of up to about 61 while cone crushers can reduce material size up to a maximum of 81 ratio the finer the crushing the smaller the reduction ratio as a basic rule jaw crushers are the primary crusher taking the mined aggregate and reducing it to a size that a cone crusher can accept

Jaw Crushers – Applications 2 – Benchtop model – Jaw Crusher BB 51 4 – Floor models – Jaw Crusher BB 100 5 – Jaw Crusher BB 200 5 – Jaw Crusher BB 300 5 – Selection guide technical data 6 – Breaking jaws 7 – Order data 8 Continuous pre and

The gape determines the maximum size of material that can be accepted Maximum size that can be accepted into the crusher is approximately 80 of the gape Jaw crushers are operated to produce a size reduction ratio between 41 and 91 Gyratory crushers can produce size reduction ratios over a somewhat larger range of 31 to 101

In order to calculate the capacity of crushers Taggart considered the size reduction R 80 as the reduction ratio of the 80 passing size of the feed F 80 and product P 80 This may be written as 421 Reduction ratio R 80 F 80 P 80

Jaw crushers are a popular alternative to primary gyratory crushers since they can process large amounts of hard material efficiently Due to their smaller physical size jaw crushers are also ideal for tight spaces such as underground mining and mobile crushing applications

Primary crushers are designed so that the maximum size that can be presented to the crusher is approximately 80 of the gape Jaw crushers are operated to produce a size reduction ratio between 4 1 and 9 1 Gyratory crushers can produce size reduction ratios over a

Ideally the reduction ratio of a jaw crusher should be to There are different ways to calculate reduction ratio but the best way is something called the P80 factor The reduction ratio is then calculated by comparing the input feed size passing 80 percent versus the discharge size that passes 80 percent

The reduction ratio is the ratio of crusher feed size to product Jaw crushers operate by allowing stone to flow into the aggregate sizes will range from slightly

Sep 19 2012 jaw crushers offer reduction ratios of up to about 61 while cone crushers can reduce material size up to a maximum of 81 ratio the finer the crushing the smaller the reduction ratio as a basic rule jaw crushers are the primary crusher taking the mined aggregate and reducing it to a size that a cone crusher can accept

Our jaw crushers are of the singletoggle type and feature a deep symmetrical crushing chamber a large feed opening for its size and an ideal nip angle that offers smooth material flow and high reduction efficiency Jaw crushers are normally capable of a reduction ratio of 12 or 13 This ratio

Jaw Crushers for Primary Size Reduction – CERAM Group May 2004 Jaw Crushers for Primary Size Reduction Retsch GmbH Haan Germany says that the high final fineness and excellent crushing ratio in its jaw crushers help

Primary crushing with jaw crushers In terms of the size of the feed opening the client gets a better return on investment when the primary crusher is a jaw crusher That means less drilling and blasting because the crusher accepts larger boulders Maximum feed size Reduction ratio must be limited to 3 4 Recommended max feed size is

Using the F80 rule with the 32 x 54 Jaw Crusher the 32” gape opening equals a 26” top sized feed and with the 61 ratio of reduction the discharge setting would be around 4”

Sep 19 2012 · Jaw crushers offer reduction ratios of up to about 61 while cone crushers can reduce material size up to a maximum of 81 ratio The finer the crushing the smaller the reduction ratio As a basic rule jaw crushers are the primary crusher taking the mined aggregate and reducing it to a size that a cone crusher can accept

May 13 2019 · Ideally the reduction ratio of a jaw crusher should be 6to1 There are different ways to calculate reduction ratio but the best way is something called the P80 factor The reduction ratio is then calculated by comparing the input feed size passing 80 percent

– Jaw crushers – Gyratory crushers Jaw crusher • Feed is admitted between two jaws which are open at the top like V • One of the jaws is fixed and vertical while the other is the swinging jaw • This jaw reciprocates in a horizontal plane and makes the angle of 2030° with the fixed jaw

Crushing ratio is an important evaluation index of jaw crusher jaw crusher crushing ore crushing of the maximum size and the broken to calculate maximum size of law Higher reduction ratio increased productivity uniform size of finished

R Size reduction ratio The ratio of the gape width to the near side jaw opening This ratio may vary from 13 to 19 but is generally 13 for primary crushers and 14 for secondary crushers

A crusher is a machine designed to reduce large rocks into smaller rocks gravel or rock dust Crushers may be used to reduce the size or change the form of waste materials so they can be more easily disposed of or recycled or to reduce the size of a solid mix of raw materials as in rock ore so that pieces of different composition can be differentiated

Feb 25 2015 · Size reduction equipment Duty Feed Size Product Size Coarse Up to 1 m3 100150 mm Medium Upto 150 mm 3575mm Light Upto 100 mm 2550mm Fines 25 mm 150 micron Ultra fines 1 mm 74 micron Coarse and medium duty crushers are generally used as Primary Crushers Medium and light crushers are generally used as secondary crushers