Miyachi Unitek 1-292-01, Руководство оператора

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CHAPTER 4: OPERATING INSTRUCTIONS
UNIFLOW
®
2 PULSED THERMODE CONTROL
4-4 990-228
5. Press the
RISE TIME
key to select the
RISE
time field for editing. Use the keypad to enter a
RISE
time to 1.5 (1.5 seconds), then press the
GRAPH
key.
6. Press the
REFLOW
q
C
key to select the
REFLOW
temperature value for editing. Use the keypad
to enter a temperature 250
q
C, then press the
GRAPH
key.
7. Press the
REFLOW TIME
key to select the
REFLOW
time field for editing. Use the keypad to
enter a
REFLOW
time to 03.5 (3.5 seconds), then press the
GRAPH
key.
8. Press the
COOL
q
C
key to select the
COOL
temperature value for editing. Use the keypad to
enter a
COOL
temperature of
100
q
C
, then press the
GRAPH
key.
9. Make a test joint by pressing the foot pedal or foot switch to initiate a complete heating cycle.
x
For
manual
reflow soldering heads, release the foot pedal when the alarm “beep” sounds
indicating that the thermode has reached the
COOL
temperature.
x
For air actuated reflow solder heads, release the foot switch after the head has
automatically retracted the thermode.
10. If the joint
is
good, use the present Control settings for your soldering application. If it is
not
good, go to Step 11.
11. Repeat Steps 6 and 9, and use the keypad to increase the
REFLOW
temperature in 25
q
C
increments. Make a test joint after each
REFLOW
change .
12. Upon reaching a temperature of 450
q
C, use the keypad to increase the
TIME
in 0.5 second
increments, repeating 6 and 9 until you have achieved a good joint.