ABC analysis
ABC the analysis/a B sea it is the weir

ABC control with such as stock management and commodity order and sale management (importance management) the occasion where it does, criticality of element item and analytical method in order to make precedence clear.The management object(stock list of items) it is the method of dividing into A B C three ranking in important order the pareto diagram as a tool.

As for procedure of ABC analysis, when stock management is designated as example, when as follows (the use amount every of stock list of items the class dividing is done in standard).

1. It totals the use amount in every stock list of items, it lines up into the order where the amount is large, the substitution ? ?
2. You sum up the use amount to the order, the accumulation composition ratio for the entire use amount (%) you calculate
3. The on the basis of use amount accumulation composition ratio list of items is divided in A B C three classes

As for division from higher rank of use amount sum total composition ratio, 70 - 80% it is possible to change A class, 80 - 90% B class, it is general to designate 90 - 100% as C class, but what % every you divide, according to the quality of the list of items group.