الجمعة، 13 نوفمبر 2009

جديد x جديد ليوم 12-11-2009

مقرر ضبط جودة الإنتاج

تقرير مميز وشكر وتقدير لمقدم التقرير ولمجهوده الجيد

REPORT ON 

Quality tools

FROM 

Ahmed Mohammed Fikry

Fourth production Dept.

TO 

Dr. Eng. Mohamed Zaghloul

1- Pareto Chart

Also called: Pareto diagram, Pareto analysis

A Pareto chart is a bar graph. The lengths of the bars represent frequency or cost (time or money), and are arranged with longest bars on the left and the shortest to the right. In this way, the chart visually depicts which situations are more significant.

Pareto Chart Procedure

  1. Decide what categories you will use to group items.
  2. Decide what measurement is appropriate. Common measurements are frequency, quantity, cost and time.
  3. Decide what period of time the Pareto chart will cover: One work cycle? One full day? A week?
  4. Collect the data, recording the category each time. (Or assemble data that already exist
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