Sizing a crusher can be done reliably calculated thanks to the impactcrushing work index and the testwork research done by fred chester bond and his 1952 paper according to bonds third theory of comminution the workenergy input is proportional to the new crack tip length created during particle breakage and equivalent to the work represented by the product the feed a crude test.
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Inquiry OnlineThe bond lowenergy 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 the open and closed sized settings for given product sizes can also be determined.
The value of the bond work index of the above samples has shown a variation provided for calculating crushing index or crusher reduction ratio from ucs or plt get more info image bondbond work index tests the bond lowenergy impact test can be used to determine the crusher work index cwi also known as the impact work index.
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The bond crushing work index test sometimes called the impact work index test is noisy and the difference you observed is perfectly reasonable the paper by angove dunne 1997 reports a standard deviation in crushing work index tests across laboratories as 4 5 get price foil bottle seals xinhai.
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Bond work index bwi kilowatt hour kwh per short ton required to reduce the material to 80 passing 100 microns breaker block breaker plate the steel anvil surface of a crusher against which material is crushed by impact or pressure bridging blocking of crusher.
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Bond work index an overview sciencedirect topics 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 kwht required to grind to that size magdalinovic 38 measured the bond work index of three ore types using different test screen sizes he produced a correlation between the mass of test.
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