System Overview - Metcal QX2 Manuel D'utilisation

SYSTEM OVERVIEW

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1 Power Supply
2 On/Off Switch
3 Power Cord
4 Heater Head Assembly
5 Heater
6 Vacuum Pick-Up Tube
7 Theta Rotation/Nozzle Removal Lever
8 Nozzle (Sold Separately)
9 Movable Arm
10 Z-Axis Knob
11 Controller Cable
12 Controller
13 Work Tray
14 Nozzle Removal Tool
15 Board Holder (Optional)
16 Preheater (Optional)
17 Auxiliary Thermocouple Port
18 Power On Light
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Copyright © 1999, Metcal, Inc. All Rights Reserved 7036-0541 Rev. A
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The Metcal QX2 Convection Rework System is designed to remove or to re-attach
SMT components from a PCB safely and easily. To reflow the solder joints, the QX2
uses carefully controlled focused hot air. The QX2 includes a semi-automatic vacuum
pick-up system that can be used to lift reflowed components from the board. For
precise process control, the QX2 displays the temperature and time for all operations.
The Metcal QX2 Convection Rework System consists of a power supply, a controller, a
work tray, and a nozzle removal tool. Optional accessories include a 355 mm x 508 mm
board holder that allows the PCB to be fixed in place and a 152 mm x 152 mm
convective preheater that provides under-board heat to reduce board warping.
The power supply provides airflow, vacuum and heat. It has a movable arm that
holds the heater head assembly, which contains the heating element and the vacuum
pick-up. Because no additional tool stand or work frame is needed, the QX2 saves
valuable work space.
The controller is all that is needed for you to control the power supply. It is attached
to the power supply by a cable, and it may be moved anywhere within the cable's
reach. You can place it in the most convenient location.
The work tray provides a working surface for the PCB if you have not purchased the
optional board holder. Note that the preheater cannot be used with the work tray; it
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must be used with the board holder.
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The QX2 uses focused convection nozzles that are designed to fit specific components.
Nozzles are available separately so that you may select only the nozzles needed for the
application. The work tray can also be used to store nozzles.
The nozzle removal tool provides a way to hold hot components or hot nozzles
removed from the QX2. Simply hold the scoop side under the heater head to catch a
hot component. To remove nozzles, see Nozzle Removal (p.12).
The Z-axis knob allows fine adjustment of the height of the nozzle over the board. The
theta rotation lever is for positioning the nozzle squarely over the component without
needing to rotate the entire board. This lever is also used for quickly removing the
nozzle. Rotating the lever until it stops in either direction ejects the nozzle.
SYSTEM OVERVIEW
Copyright © 1999, Metcal, Inc. All Rights Reserved 7036-0541 Rev. A
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