REFLOW TRACKER Easy Oven Setup 41
• Oven settings – the set temperatures for each oven zone and the line
speed.
• Data analysis for its predicted profile. The full range of analysis options is
available. The contents of the Reflow Results tab reflect what was
specified in the process limits used, though you may use the analysis options
dialog to add or remove results from the display. Any entries in the analysis
grid that are out of tolerance compared with the process limits are
highlighted in red and an alarm is registered.
Oven zone names appear in a tooltip if the mouse is hovered over a zone
number in the Oven Settings grid.
The following control buttons are available:
Delete
Recipe
Delete from the list any recipe you have created and do not wish to consider
further (i.e. a user recipe – see below). If you previously saved the recipe (see
below), it is deleted only from the list, not from disk.
Save
Recipe
Save to disk any new or amended recipe you wish to keep. You must generate
a new prediction from the amended recipe (see below) before you save it.
Create
User
Recipe
A new entry appears in the list (based on the currently highlighted recipe), for
which you may edit oven zone temperatures (see below). User recipes are
indicated by * next to the recipe number in the list.
Predict
Profile
Predict the profile for the selected recipe (user recipes only) if you have made
changes to oven zone temperatures. The new profile is shown in the Graph
Window.
Options Opens a dialog allowing specific probes to be excluded from the maximum
slope calculation (see above). This is useful for excluding air probes (or failed
probes) which show a very steep rise.
To edit a recipe’s oven zone temperatures:
1. Select the recipe in the list.
2. Click to create a user recipe based on it.
3. Enter new temperature and/or line-speed settings for the oven.
4. Click to generate a revised profile.
5. If you wish, click to save this new recipe file.
To save the prediction, click on the main toolbar, or select File > Save, or
File > Save As > Prediction; the profile is saved as a prediction file with a .PRE
extension.
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