Digital 700W Hot Air Station For Operation With Compressed Air
Digitally controlled hot air station for use with a compressed air or inert gas supply and vacuum pick up at the nozzle.
700 watt hot air station similar in all respects to the WHA3000P but operating from an external compressed air or inert gas supply.
A digital electronic control system guarantees precise temperature control and provides other functions, such as Auto off and stand by temperature. Set and actual temperatures are displayed digitally. Two heated zones can be selected The temperature of a specific point on the board under repair can be monitored and controlled by means of an optional external sensor. If used the temperature display will show the actual value of the temperature of the board at the point of contact, not the temperature of the hot plate elements.
An RS232 interface connection from either of the WHA stations can be used to enable the hot plate to be used as an underside heater in a multilevel process sequence. If this option is required then we recommend that the WBH3000 board holder is used. The pre-heating plate is designed to sit between the side supports of the board holder.
Air generation
The airflow rate is controlled digitally by means of a proportional valve. Alternatively, an inert gas, such as nitrogen could be used in place of compressed air for more demanding tasks.
Connections
Following connections are on the rear side:
- RS232 for connecting the pre-heating plate or a PC.
- Connection for manual control panel or foot switch.
- Compressed air / inert gas 4 – 6 bar.
Temperature check
Connection of the temperature sensor (available as an accessory) for highly accurate process monitoring.
ESD safe
Housing and iron are ESD safe.
The WHA3000V Hot Air Station is suitable for difficult repairs on circuit boards with FINEPITCH components. A thorough design concept combines maximum process safety with ease of use and technically advanced application solutions. A comprehensive range of accessories adds to the possible uses of this repair workstation.
The hot air temperature at the hand-piece can be adjusted over the range of 50°C 550°C (150°F 999°F). The air flow rate is generated via an internal turbine and can be adjusted between the range of 5 l/min 50 l/min. Hot air temperature and air flow rate are digitally controlled.
The vacuum necessary for lifting the component is integrated into the nozzle system and can be activated to suit the operating mode chosen. Two operating modes are provided:
- The "Manual operating mode (MAN) can be used for manual work at the hot air temperature and air flow rate set. Hot air and vacuum can be activated using the foot switch, manual remote control console or directly on the control Panel.
- The "Automatic operating mode (AUTO) establishes a program with a 3-step time/ temperature profile, and can be used in conjunction with the WHP3000 Pre-Heat Plate available as an accessory.
The parameters for hot air temperature, air flow rate, temperature of the optional WHP3000 Pre-Heat Plate and vacuum function can be adjusted separately and can be saved as a Rework Profile for the specific application.
The repair station can also be complemented with the optional matched WBH3000S Circuit Board Holder for X-Y alignment and a stand with Z-axis guide for the hot air hand-piece.