Review of ATTEN AT860D Hot Air Rework Station

06.04.2012

Page Content

  1. ATTEN AT860D Hot Air Rework Station Technical Specifications
  2. Description of ATTEN AT860D Hot Air Rework Station
  3. Soldering Hot Air Gun of ATTEN AT860D Hot Air Rework Station
  4. Settings of ATTEN AT860D Hot Air Rework Station
  5. Temperature Modes of ATTEN AT860D Hot Air Rework Station
  6. Calibration Mode of the ATTEN AT860D Hot Air Rework Station
  7. Malfunction Alert of ATTEN AT860D Hot Air Rework Station
  8. ATTEN AT860D Hot Air Rework Station Package Content
  9. Conclusion

Market of soldering equipment for various kinds of electronic boards repair is rich in wide range of rework stations. Now rework station is not simply a soldering iron. It is the whole system containing: control unit, task processing unit, working tools (soldering iron, heat gun, smoke absorber, vacuum pick-up tool, desoldering gun, etc.). Transistors and microcontrollers are used in the circuit in order to control these tools and their proper work.

Since world manufacturers of electronics launched the program of conversion to lead-free assembly techniques which raise the soldering temperature, soldering equipment for electronic boards repair shall be designed to be more powerful.

Assembling of different electronic elements packages (BGA, SMD, PLCC, DIP, QFP, etc.) when conducting domestic repair requires special equipment and experience. Mainly infrared heaters and heat guns are used for such works. For more challenging operations where there is a risk of textolite distortion plate preheaters should be used.
There is a wide range of hot air guns of low and high class at the soldering equipment market.  These are cheaper soldering hot airs guns of such manufacturers as Lukey, Sunkko, Pros’Kit as well as more expensive brands such as Goot. According to its performance characteristics ATTEN AT860D hot air rework station refers to the high class equipment though at the same time having rather moderate price.

ATTEN AT860D Hot  Air Rework Station

AT860D hot air rework station by the Chinese manufacturer ATTEN serves an example of powerful and easy-to-use soldering hot air gun. ATTEN AT860D is an ideal assistant in working with lead-free solder, as well as usual solder alloys.

ATTEN AT860D Hot Air Rework Station Technical Specifications

Input voltage range 220V AC, 50Hz
Output power 800W
Temperature range 150ºC – 500ºC
Temperature accuracy ± 10ºC
Temperature correction ± 50ºC
Air volume range (relative units) 20 – 99

Description of ATTEN AT860D Hot Air Rework Station

It is very important to the engineer to have a hot air rework station which is reliable and easy to use and control. Such characteristics surely refer to ATTEN AT860D hot air rework station. It is the powerful soldering hot air gun; it takes only a few seconds for it to heat up to the set temperature. ATTEN AT860D hot air rework station is designed for assembling and dismantling of various packages of electronic components (BGA, SMD, PLCC, DIP and others). Two displays show hot air gun temperature (in degrees centigrade) and air volume range (in relative units from 20 to 99).

ATTEN AT860D Hot Air Rework Station

In order to move to the temperature calibration mode of the hot air rework station or in order to set temperature profile you should use a card which should be inserted into the special hole in two possible positions:

  • SET position – allows you to set the necessary parameters of the soldering hot air gun temperature and air volume.
  • CAL position allows you to calibrate the hot air gun temperature.
Key of ATTEN AT860D Hot Air Rework Station

The card should be extracted in order to avoid parameters setting failure.

Soldering Hot Air Gun of ATTEN AT860D Hot Air Rework Station

Soldering Hot Air  Gun of ATTEN AT860D Hot Air Rework Station

With the aid of the compressor located in the case of the soldering station air flow is created and fed into the hot air gun through the connection hose. There, the air worms up by passing through the heating element and melts solder by blowing over it. Therefore, it is very convenient to solder in and out electronic elements with large amount of contacts and of various sizes.

Connection hose of the soldering station and soldering hot air gun is flexible and thus is easy to use. Vibration of the compressor is minimal and thus soldering hot air gun virtually does not tremble in the hand.

Hot air rework station package contains four nozzles for hot air gun: Two round ones for DIP packages and two square ones for QFP packages.

Nozzles for  ATTEN  AT860D Hot Air Gun

Wide range of AYOUE nozzles would fit this hot air soldering gun as well.

Settings of ATTEN AT860D Hot Air Rework Station

There are rough and precise adjustments for the temperature and air flow levels settings.

  • Rough adjustment is performed with the aid of adjusting potentiometer knob located between the displays. Indication of the set temperature and air flow volume is displayed in accordance with the angle of the regulator rotation and that is why lack of numbered division on the scale does not disrupt its control.
  • Precise adjustment is performed with the aid of the buttons on the control panel of the station and on the handle of the hot air gun.
Settings of ATTEN  AT860D Hot Air Rework Station

Incremental step of the soldering hot air gun temperature and air flow volume is one degree and one point respectively. Pressing buttons is followed with the sound signal. Switching between the setting modes of the soldering hot air gun temperature and air flow volume is performed by the button on the control panel of the hot air rework station and on the handle of the soldering hot air gun (AIR button).

In order to heat the soldering hot air gun to the temperature different from the programmed one it is necessary to press the button of switching of temperature/air flow adjusting mode or AIR button on the handle of the hot air soldering gun after rough adjustment by the regulator or precise adjustment with the aid of the buttons. Only when it s done the system will perform the task.

After turning off the power of hot air rework station heating element of the soldering hot air gun is forcibly cooled to 100ºC in order to avoid thermal overload of the heating element. When solder hot air gun is turned on previous settings of air flow volume would be preserved and the temperature would be set according to its level (200, 300 and 400ºC).

Temperature Modes of ATTEN AT860D Hot Air Rework Station

You can program temperature modes of the ATTEN AT860D hot air rework station.  Initially the following three modes are set:

  1. temperature 200ºC, air flow volume 40 (button 1)
  2. temperature 300ºC, air flow volume 60 (button 2)
  3. temperature 400ºC, air flow volume 80 (button 3)

In order to customize settings for 1, 2 and 3 buttons it is necessary to set the temperature of the soldering hot air gun (from 150 to 500ºC) and air flow volume (from 20 to 99), and after that to press the corresponding button and hold it until the sound signal appears. At that time the card should be in the SET mode (with the “SET” upward). Your profile is saved and can be activated by pressing one button.

Calibration Mode of the ATTEN AT860D Hot Air Rework Station

Calibration Mode of  the ATTEN AT860D Hot Air Rework Station

Menu of ATTEN AT860D hot air rework station makes it possible to adjust temperature of the hot air gun. In order to do this you should heat it to the temperature, for example of 300ºC, and measure the temperature of the air at the output of the soldering hot air gun by the thermocouple. Difference between the measures of the soldering hot air gun sensor and internal thermocouple is added to menu of the station with the corresponding sign.

In order to display calibration menu (card in the CALL position upwards) you should press the button of switching temperature/air flow modes at the control panel and hold it until AT2 indication appears at the right display. After doing so you should set the necessary value of the temperature correction and it would be stored in the memory by pressing and holding the same button.

Malfunction Alert of ATTEN AT860D Hot Air Rework Station

The system of ATTEN AT860D hot air rework station signals on two types of malfunctions:

  • S-E – signifies that there is something wrong with the temperature sensor
  • H-E – signifies that there is something wrong with the heating element

ATTEN AT860D Hot Air Rework Station Package Content

  • Module of hot air rework station with soldering hot air gun
  • Four nozzles
  • Soldering hot air gun holder
  • Card for switching between settings modes
  • Power cord
ATTEN AT860D Hot Air Rework Station Package Content

Conclusion

Working with ATTEN AT860D hot air rework station leaves only positive impressions. Why? Judge for yourself. Powerful heating element would heat operating air to the set temperature in a couple of seconds even if it equals to 500 degrees centigrade. It is ideal for lead-free soldering. Soldering parameters regulation is very simple. Rough and precise temperature and air flow volume settings allow you to set these parameters as accurately as possible. Moreover, there is also a possibility to program three temperature modes.

Particular attention should be paid to the function of temperature calibration. Thermal sensors would behave differently under different conditions. ATTEN AT860D hot air rework station allows you to adjust this moment.

And finally. Such heat gun as ATTEN AT860D would never leave any engineer untouched. From the very first hours of work you will realize that price is justified by the parameters and reliability of the hot air rework station.

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