Rexroth Tightening System 350 System Documentation - Rhino ...

10 Working with the System Tightening Technology | Bosch Rexroth AG 303/31610.4 Results storage and statistics10.4.7.4 Evaluation sheet index cardFigure 10–65: Evaluation sheet index card10.4.7.5 Good range window index cardThe Evaluation sheet index card provides a complete overview of the relevant tightening data, statisticalcharacteristic values, as well as process and machine capability indices. It is divided into four group fields:– General: The total number of measurement values, also divided into OK and NOK tightenings withsupplementary percentage information, is displayed here.– Options: Here you select whether the characteristic values for process capability C p /C pk or the characteristicvalues for machine capability C m /C mk are displayed in the two lower sections.– Characteristic 1 and 2: The monitoring limits set per tightening program, as well as the values calculatedor read out from the results storage data records are numerically depicted (average value,minimum value, maximum value, range, standard deviation, as well as its tripled value 1) , machine orprocess capability characteristic values).Figure 10–66: Good range window index card1) 3 σ represents the confidence range for the characteristic, i.e. approx. 99.75% of all measurementvalues are located in the range of± 3 σ of the average value (see Fig. 10–55).System 350 | 3 608 878 040/05.2008