Planned time
A schedule time after REFA is a certain sequence portions related target time which is described by way of influencing variables. They are based on time blocks , using as factors influences the work article apply or action that could to the time required for the work execution correlate. The influencing variables are usually to be determined by means of statistical regression calculations and their effect is to be determined.
Examples
- Drilling flanges; the workflow is - within the framework - always the same. The duration of the work depends on the diameter, thickness (weight) and number of holes in the flange.
- Metal concentrations are to be measured in atomic spectroscopy using ICP-MS . The working time for the laboratory technician depends on the number of elements to be determined in a run and the number of samples in the run.
- Carpet in an office is vacuumed. Influencing variables: degree of overbuilding with furniture, the area, type of carpet.
Individual evidence
- ^ REFA (ed.): Lexicon of the company organization . Munich: Carl-Hanser-Verlag, 1993 ( ISBN 3-446-17523-7 ). P. 142