Stanley QB Expert User Manual

Programming
Instruction Manual
83
n OK – Identifies the number of OK rundowns.
n NOK – Identifies the number of NOK rundowns.
n – Displays the number of fastening cycles that exceeded the high limit.
n – Displays the number of fastening cycles that did not achieve the low limit.
n Abr – Displays the number of fastening cycles that were aborted.
n Stp – Shows the number of fastening cycles that were stopped.
R – Shows the subgroup range (highest minus lowest value).
– Identifies the highest value of all the fastening cycles in the population
– Identifies the lowest value of all the fastening cycles in the population
The Display parameter under Setup/Other/STATS tab determines which of the following sections are displayed
after the Results.
Capability
This section shows the capability statistics for the selected Job and Task.
Cp – Displays the capability index for a stable process.
Cpk – Displays the capability index for a stable process, typically defined as the minimum of CPU or CPL.
CR – Displays the capability ratio for a stable process and is simply the reciprocal of Cp.
CPL – Shows the lower capability index.
CPU – Shows the upper capability index.
R bar – Identifies the average range of a constant size subgroup series.
3 sigma – Displays the sample estimated Standard Deviation times three.
X bar – Displays the value’s average (mean).
Performance
This section shows the performance statistics for the selected Job and Task.
Pp – Shows a performance index of a stable process.
Ppk – Shows a performance index of a stable process typically defined by a minimum of two calculations.
PR – Identifies the performance ratio for a stable process.
3 sigma – Identifies the sample estimated Standard Deviation times three.
X bar – Displays the value’s average (mean).
Coefficient D’aptitude Moyen
This section shows the CAM statistics for the selected Job and Task.
CAM – Coefficient d’Aptitude Moyen (Mean Aptitude Coefficient) shows a capability index for a stable process
used in Europe.
R bar – Identifies the average range of a constant size subgroup series.
3 sigma– Identifies the sample estimated Standard Deviation times three.
X bar – Displays the value’s average (mean).
Use the right arrow to move to the next tab or press EXIT to save the changes and return to the Run screen. See
section “3.1.2.6 Exit” on page 52.
3.3.4 LOG Tab
The Expert Alpha controller stores up to 1000 Events in the log.
Use the up/down arrows to select an event the press the Toggle key to get more details.

Stanley QB Expert Specifications

General

Brand	Stanley
Model	QB Expert
Category	Controller
Language	English