The view Usage displays in a stacked bar chart which machine states were present in the selected time period in percentage distribution. Only the occupancy time (machine switched on) is evaluated.
|Main usage||green||The machine is producing.|
|Main usage exceedance||dark green||The machine is producing, but large gaps between the workpieces cause it to lose performance. The optimum cycle is therefore "exceeded". This use exists only with through feed machines.|
|Secondary usage||light blue||The machine is set up, adjusts automatically or feeds parts. Especially with batch size 1 machines, secondary use is part of the normal production process.|
|Secondary usage exceedance||blue||On some machines, default times can be set for manual operation (e.g. loading of parts on CNC machines). If these times are exceeded, then the state of secondary use is exceeded.|
|Idle time||yellow||The machine is switched on and ready to produce, but is not in use. Reasons for this can be that there is no operator at the machine or that the material is missing. It is also possible that the machine was forgotten to switch off (power off).|
|Malfunction||red||The machine had a malfunction. Malfunctions are not exclusively technical faults of the machine. Also other events (e.g. opening of the machine cover or other safety devices) are considered as malfunction.|
|Maintenance||purple||The machine has been maintained.|
In the ideal case, the main usage is 100%. However, since every machine has set-up times and process-related waiting times, experience shows that these 100% are not reached.
By clicking on a data point/bar, a tooltip displays the time and the value at this point in time.