Friday, May 17, 2019
Process Flow Chart
The immix wreak graph In analysing processes, particular actions along the way be often quantify signifi crappert, especially if you are looking to press out sources of waste (or muda, as the Japanese call it) such as having documents piling up in in-trays or materials being moved from pillar to post. How it works The Flow process chart is a simple half-text, half-picture mode of showing the step in a process, use symbols to indicate the type of action being taken and text to give details of the action. The chart bathroom selectively be used to show what happens to selected flock, materials or equipment. pic Parts of a Flow form ChartA particularly useful feature of the chart is that it weed be drawn up as the process is happening. Thus you can follow a part around a factory floor, for congresswoman, noting how and when it is machined, stored, moved, and so forth The table below shows many of the symbols that may be found in Flow Process Charts. emblem Title Descri ption pic Operation A multifactorial action or process (possibly described elsewhere), often changing something. pic Transport Movement of people or things. May be accompanied by a distance measurement. pic Delay Idle time of people or machines, or temporary storage of materials. pic remembering Permanent storage of materials or other items. pic review article Checking of items to ensure correct quality or quantity. pic feature public presentation Overlay symbols for actions which combine types. Put the important activity outside. pic Reject Rejection of item. Parentheses show percentage of items rejected. bill of credit to right lead to consequent action. pic Differentiated operationLetter shows type of operation, e. g. C = clerical, M = machine, and so on pic State change Description indicates change in state, for example a liquid cooling into a solid. pic Alternating processes Down-arrow indicates one of several(prenominal) possible actions. This can show alternative or simultaneous processes. How to do it 1. draw the process to be charted and the objective for charting it. 2. Identify the symbol set to be used. 3.Record the steps of the process as it happens, starting at the slide by of the page, with symbols on the left overlaying a vertical line with appropriate notes about what is happening to the right. Try to discharge significant activities which are generally of approximately tally size (unless the problem is at the detail level, do not try to capture too untold detail). You can also make the diagram more(prenominal) useful by such tricks as counting the different action types in sequence (for example so you can see how many times the item under examination was moved) and changing the focalization of ovement arrows to show input or output activity. You can also put the time taken in each activity to the left of the symbol. picUsing the Flow Process Chart 4. If you are watching the process as it happens, you may want to repeat the analysis several times to ensure you have captured the normal set up of events. 5. Analyse the final chart, for example totalling times taken in non-value-adding activities such as storage, movement and inspection.Process Flow ChartThe Flow Process Chart In analysing processes, particular actions along the way are often significant, especially if you are looking to eliminate sources of waste (or muda, as the Japanese call it) such as having documents piling up in in-trays or materials being moved from pillar to post. How it works The Flow process Chart is a simple half-text, half-picture method of showing the steps in a process, using symbols to indicate the type of action being taken and text to give details of the action. The chart can selectively be used to show what happens to selected people, materials or equipment. pic Parts of a Flow Process ChartA particularly useful feature of the chart is that it can be drawn up as the process is happening. Thus you can follow a part around a factory floor, for example, noting how and when it is machined, stored, moved, etc. The table below shows many of the symbols that may be found in Flow Process Charts. Symbol Title Description pic Operation A complex action or process (possibly described elsewhere), often changing something. pic Transport Movement of people or things. May be accompanied by a distance measurement. pic Delay Idle time of people or machines, or temporary storage of materials. pic Storage Permanent storage of materials or other items. pic Inspection Checking of items to ensure correct quality or quantity. pic Combined operation Overlay symbols for actions which combine types. Put the main activity outside. pic Reject Rejection of item. Parentheses show percentage of items rejected. Line to right lead to consequent action. pic Differentiated operationLetter shows type of operation, e. g. C = clerical, M = machine, etc. pic State change Description indi cates change in state, for example a liquid cooling into a solid. pic Alternating processes Down-arrow indicates one of several possible actions. This can show alternative or simultaneous processes. How to do it 1. Identify the process to be charted and the objective for charting it. 2. Identify the symbol set to be used. 3.Record the steps of the process as it happens, starting at the top of the page, with symbols on the left overlaying a vertical line with appropriate notes about what is happening to the right. Try to record significant activities which are generally of approximately equal size (unless the problem is at the detail level, do not try to capture too much detail). You can also make the diagram more useful by such tricks as numbering the different action types in sequence (for example so you can see how many times the item under examination was moved) and changing the direction of ovement arrows to show input or output activity. You can also put the time taken in each activity to the left of the symbol. picUsing the Flow Process Chart 4. If you are watching the process as it happens, you may want to repeat the analysis several times to ensure you have captured the normal chain of events. 5. Analyse the final chart, for example totalling times taken in non-value-adding activities such as storage, movement and inspection.
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