Bond Work Index

The Bond work index is not solely a material constant but is influenced by the grinding conditions For example, the finer the grind size desired, the higher is the kWh/t required to grind to that size Magdalinovic [38] measured the Bond work index of three ore types using different test screen siz He produced a correlation between the mass of test screen undersize per revolution, G, and ....

SAG Mill Testing

The Bond low-energy impact test apparatus consists of two pendulum hammers mounted on two bicycle wheels, so as to strike equal blows simultaneously on opposite sides of each rock specimen The height of the pendulum is raised until the energy is sufficient to break the specimen (Bond, 1947), and then the crusher work index (CWI) or impact work ....

Bond Impact Crushing Work Index Testing Machine

The Pendulum Tester / Bond Impact Crushing Work Index Tester Working principle Crushing by impact 76 mm maximum feed size Test repetition: At least 10, preferably 20 test runs Adjustable crushing angle Repeatable crushing results Safe two-hand operating buttons The Bond Crushing Work Index (CWI) describes the competency of the ore at larger particle siz It is used for the calculation ,...

bond work index crusher

Bond Crusher Work Index bauxite crushing bond work index « crusher conveyor The Bond work index and the grindability index can therefore be estimated from the , mill, involves a sequence of crushing and grinding proDate 29 March 2004 2 , Bond ball mill work index reduction after HPGR Ore Crusher Read more Get price...

20150505 Bond Efficiency

Where, WioACTis the Actual Operating Bond Work Index (kWh/t), W is the specific energy input (kWh/t), P80 is the 80% passing size of product (µm), and F80 is the 80% passing size of circuit feed (µm) 2 Calculate the Standard Circuit Bond Work Index (WiSTD) for ,...

Bond Work Index Tests

Bond Low Energy Impact Test The Bond Low-Energy Impact test can be used to determine the Crusher Work index (CWi), also known as the Impact Work Index The test determines the impact energy at which a specimen fails and allows approximation of net power requirements for sizing crushers...

CRUSHER WEAR PARTS

8 - Crusher Wear Parts Reference Guide Crusher Wear Parts Reference Guide - 9 MATERIAL PROPERTIES TABLE WEAR PARTS OVERVIEW CRUSHABILITY CLASSIFICATION CRUSHABILITY (%) BOND WORK INDEX (KWH/T) LOS ANGELES VALUE UCS (MPa) Very Easy 50+ 0 - 7 27+ 0 - 90 Medium 40 - 50 7 - 10 22 - 27 90 - 150 Difficult 20 - 30 14 - 18 12 - 17 220 - 300...

iron ore crusher bond inde

Bond crusher Workdex limestone Test MC Machinery Ore crusher can be used for coarse, second and fine crushing of iron ore, granite, shale, etc, so it is also can be called as iron ore crusher, granite crusher and grindability work index for iron ore Crusher by iron ore predicted Bond abrasion index is jaw crusher...

JKTech Laboratory Services

the Bond equation (1961) For every Bond Ball Mill Work Index test carried out at JKTech, a standard report is issued The report details the Bond test procedure method, and presents the results including F80, P80, Grindability and Work Index Further interpretation of the results is available if required...

how to bond index in rock crusher

how bond rock crusher rock hardness crusher work index - whiteys how to bond index in rock crusher - bond impact crushing work index test Hawsons has a bond work index (a measure of rock hardness) (Bond, 1947), and then the crusher work index gold mining in zimbabwe; vsi crusher ,...