Line graph vs. Bar graph

Nanospark: CNC Machine Monitor can send you an efficiency report from your machine, displayed as a line graph or bar graph. Which option should you choose?

Do you need to know what or why?

Each display type will show the time frame monitored, which input(s) were monitored and the % on for each input.

A bar graph will stack each input’s % vertically within a range of 0-100. So, at a glance you can see how a machine or job is performing. This option may be most useful to a CEO or business owner who just wants to keep an eye on how things are running.

The line graph tracks each data point recorded. The line graph’s x-axis is the time covered by the report (scaled according to length), the y-axis is one of three values: on, off or unknown. With a line graph you can see when a change happened, what changed, and how long before it changed again. So, this might be useful to a Production manager who’s looking to improve operational efficiency.

To illustrate, see the reports below; they cover the same time frame and inputs. (Click to enlarge image.)

 

Bar graph report

Bar graph report

Line graph report

Line graph report

 


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