The robot for spraying catalyst inks is the model J4000-LF manufactured by the company I&J Fisnar Inc. It has a mechanical arm that controls the movement in the Y axis of the spray nozzle, a platform that controls movement in the X axis, a spray nozzle, model SV1000-SS, and a valve flow and opening time controller, model SVC 100.

The operating principle of the robot’s spray head is similar to that of an airbrush. The SV1000-SS valve has been designed to operate with compressed air as co-flow to spray liquids with a low or medium viscosity. It is controlled by the SVC100 controller, which can be used to set the operating pressure.

Robot for spraying catalyst inks

There are two air input channels, one for spraying and another for operating. Both have the SVC100 controller. The operating air pressure activates the piston that opens and closes the valve to let the fluid through. The spray air flows through an individual circuit in the head and it sprays the ink. The aerosol dispensing can be adjusted by turning a graduated button in the top part of the valve. The quantity and homogeneity of the deposited material are controlled by the liquid atomising pressure, the valve opening time and the distance from the surface to be applied. The ink is deposited in a syringe and supplied by a plunger operated by a compressed-air system to which a pressure controller is attached.