Ol port in the gun just opened and closed the access for liquid, the atomizer allowed to adjust the drop dimensions and the geometryCoatings 2021, 11, x FOR PEER REVIEWCoatings 2021, 11,five of5 of3. Outcomes and Discussion 3.1. Gear Setup from the spray pattern. For example, the ability to direct the spray cone towards samples was improved by altering the pattern stress assemblies for spraying the coating formulaA lab-scale equipment comprising two parameter, therefore ovalizing the spray pattern. In theand implementing the rotation of rod-shaped samples was conceived and in-house tions case with the 50 mm-long rod-shaped prototypes with one particular dimension larger than the other folks, this led to a additional targeted spraying more than the is reported inof the samples. assembled. An outline from the equipment developed complete length Figure 2.2. gear. Figure 2. Outline on the assembled coating gear.Coatings 2021, 11, x FOR PEER REVIEWThe sprayingmechanism relied onfrom a pan coating setup. It comprised a low-presrotating program was derived an epicyclic planetary gearbox. Every single aspect of the latterspray gun entailing a 3-ways (i.e., manage, atomizer and pattern) nozzle. This was positive was created and Xanthoangelol Technical Information printed in-house (Figure three).six ofmaintained inside a fixed position by signifies of a stand provided with distinct clamps connecting the nozzle for the chassis with the rotating assembly. The positioning on the spray gun (i.e., 20 cm, distance from the gearbox in the x axis; 30 cm, distance from the base from the gearbox within the z axis; 10 cm, distance in the nearest sample in y axis; 30inclination with respect to the xy plane) (Figure two), was chosen to assess the preferred spray width and also the actual coverage area relevant to all the samples during rotation. The spray gun was connected to a peristaltic pump and to an air inlet, the rotation price and stress of which may very well be fine-tuned by the operator. Spray rate and pattern of either solutions or suspensions could be customized. Even though the control port from the gun just opened and closed the access for liquid, the atomizer allowed to adjust the drop dimensions along with the geometry of the spray pattern. For example, the ability to direct the spray cone towards samples was enhanced by changing the pattern stress parameter, as a result ovalizing the spray pattern. In the case of your 50 mm-long rod-shaped prototypes with 1 dimension bigger than the others, this led to a far more targeted spraying over the entire length from the samples. The rotating mechanism relied on an epicyclic planetary gearbox. Each and every element of your latter was developed and printed in-house (Figure three).Figure three. Virtual models with dimensional information with the the printed parts in the gear. Figure three. Virtual models with dimensional information of 3D 3D printed parts of the gear.Additional into detail, the gearbox was composed of two distinct sets of gears (i.e., the Additional into detail, the gearbox was composed of two distinctive sets of gears (i.e., the sungear and the satellite gears) purposely assembled. The sungear was straight kept in sungear as well as the satellite gears) purposely assembled. The sungear was straight kept in motion by a rotor and transmitted CC-90005 Formula combined movements towards the six satellite gears attached motion by a rotor and transmitted combined movements towards the six satellite gears attached to it. These have been in-built with the sungear and were devised having a central hole containing to it. These have been in-built with the sungear and were devised having a central of samples. ma.