Assembly: putting the pieces together and polishing:
Before the parts are assembled the airbrush body receives a very special treat-
ment: It receives a laser inscription with the model name and an individual serial
number. Each part is placed into the laser-engraving machine individually.
Following he laser process the 31 airbrush small parts will be placed into nine
assembly groups- by hand, of course. The needle and Teflon seal are screwed
into the body. The technician uses specially made fine tools in order to be able to
insert the various parts, which measure only millimeters in size. A needle guide
and a spring are put into the middle piece and are then tightened with the nee-
dle-tension screw. Only that way the needle can later be pulled back with the .
lever. For an additional optical appeal rubber rings are placed over the middle
piece.
As a third step the lever and lever guide are put together, the lever head is
inserted carefully. The nozzle is connected with a Teflon ring in a special press.
The needle cap is screwed on top of the suction assembly. The last step is the
connection of the valve to the hose connector.
The spring, which will later open and close the air pressure valve is placed on
the valve axle and is then placed into the valve body. A screw keeps everything
together.
Now the various assembled groups are ready for final assembly. This is not
much harder then putting an airbrush back together after cleaning it. Because
Harder and Steenbeck builds airbrushes according to the type and amount of
incoming orders, the assembled groups may be stored temporarily pending
final completion.
Spraying or Spitting? The user test
After the airbrush has been assembled completely the final moment of truth
arrives: the first spray test. All technicians are specially trained in order to judge
what the spray pattern should look like, whether something sticks or the in-
struments produces an unsatisfactory spray pattern. The technician uses blue
paint to spray some wider and finer lines and circles. In case the spray pattern
does not look right, some of the parts may be exchanged in order to remedy the
problem. Only when the instrument is found to be “In perfect working order” it is
cleaned and polished again and then packaged.
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