AOI_RS_v85_en - 第134页
Chap ter3 SPC User Ma nual AOI Repair Station 130 X bar -R Chart: Change to page [X-bar/R Chart] to s et parameters. The “Control Rule Alarm T riggers” area is for setting the alarm parameters. Check ( √ ) the check …
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The lower part of the screen shows the components and solders you
have selected. To modify the conditions for one or more selected
components or solders, use the mouse cursor to select the items for
to be modified and then click on the “
Modify” button on the lower
right. At this time, the system will display the detailed settings of
this item in the middle of the upper part of the screen. After
modifying, click on the “Update” button on the lower right to
complete updating this item. To delete one or more selected items,
select the item (to select several items at the same time, press and
hold the “Ctrl” key on your keyboard and then use the mouse
cursor to select the desired components or solders) and then click
on the Delete button on the lower right. In addition, you can
disable or enable one or more items just by clicking on the Disable
or Enable button on the lower right. Once an item is disabled, the
system will not include it in the monitor list. To resume
monitoring an item, just enable it again.
When all settings are completed, remember to click on the “Save”
button so that the system will save all these changes. To reset the
settings, just click on the “Reset” button and then click on the
“Close” button.
7.4.1.8
Alarm Setting
This is for setting the alarm (error) conditions. That is, when the
data in the control chart reaches the scenario in the alarm condition,
this indicates that errors has occurred in the component or solder
process in the current control chart. From the Main menu, you
can click on “
Setting” and then “Parameter” to display the
following screen.
The alarm setting will be separated to X bar-R Chart and P Chart.
They are explained below.
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X bar-R Chart: Change to page [X-bar/R Chart] to set
parameters.
The “Control Rule Alarm Triggers” area is for setting
the alarm parameters. Check (
√) the check box before
each item if you want to enable this said item. The
description of each item is as follows:
If the Cpk value computed after each sampling is
smaller than the value set in this item, this
indicates that an error has occurred.
If the X mean value or the R value computed after
each sampling is greater than the control upper or
lower limit computed at that time, this indicates
that an error has occurred.
If consecutive points in the control chart exceed
2/3 of the control upper or lower limit, this
indicates that an error has occurred.
If consecutive points in the control chart exceed
1/3 of the control upper or lower limit, this
indicates that an error has occurred.
If consecutive points in the control chart exist on
one side of the control mean value, this indicates
that an error has occurred.
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If the values in consecutive points in the control
chart show a gradual decreasing or increasing
trend, this indicates that an error has occurred.
If the values in consecutive points in the control
chart show alternating up and down, this indicates
that an error has occurred.
If consecutive points in the control chart are are
within 1/3 of the control upper or lower limit, this
indicates that an error has occurred.
You can set the applicable monitor items for each alarm
by clicking on the “
Select Items…” button on the right
of the alarm. At this time, the lower part of the screen
displays the “Items Which Apply Control Rule Trigger”
block. You can check (
√) the items that are applicable
to this alarm or just click on the “
Apply All” button on
the upper right of the list to indicate that all monitor
items are applicable to this alarm. You can also click
Click here to display
this setting block.
Click to save data. This block
disappears after saving data.