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Video sobre defectos en el pintado de vehículos - Contenido educativo

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Subido el 19 de febrero de 2024 por Emilio F.

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Thank you very much. 00:00:00
Thank you. 00:00:30
When a painting process is carried out by a vehicle in the workshop, it is about reproducing the layers applied during the manufacturing phase. 00:01:00
To show the painter his characteristics , the painter must observe some standards established and collected by the painters in their technical sheets 00:01:08
in terms of mixing proportions, viscosity, evaporation times and drying, among other factors. 00:01:25
After the painting process, it is usual to achieve a quality work both in the background and in the finish. 00:01:35
However, defects may appear due to very diverse causes that could only influence the visual aspect of the paint layer 00:01:41
or even affect their functions and properties and that lead to an important deterioration of the system or of the support itself if they are not corrected or eliminated quickly. 00:01:49
Defects can appear unpredictably due to climatic factors, 00:02:10
although the vast majority of them arise from causes that are not alien to the painter, 00:02:14
such as the cleaning in the process, the preparation of the surface, 00:02:18
the preparation, application and drying of the product and the maintenance of the equipment. 00:02:22
There is no doubt that the best way to solve a paint defect is to prevent it from being produced. 00:02:33
For this purpose, the painter must be properly trained and have the necessary means. 00:02:39
Equipment in optimal conditions, 00:02:44
products suitable to temperatures, 00:02:46
proportions of correct mixtures, 00:02:49
proper evaporation and drying times, 00:02:51
meticulous cleaning. 00:02:54
It is important to know and recognize in which layer of paint the defect has been generated, 00:03:02
where it is located and the cause that has originated it, then the causes or phases of the 00:03:06
process are analyzed in which different paint defects originate 00:03:12
surface cleaning the cleaning of the painting area is essential it must be done immediately 00:03:20
after sanding and always before applying a product on the 00:03:27
support the absence of cleaning a insufficient cleaning can cause 00:03:31
defects such as lack of adherence and dust spots on the finish layer 00:03:36
preparation of the paint area the appropriate preparation of the surface and 00:03:47
of the layers that will serve as a support to the finish paint avoids 00:03:52
irregularities on the surface marks of sanding and smudging 00:03:55
The preparation of the product, the improper use of diluting and additive catalysts and its incorrect preparation, ignoring the manufacturer's technical recommendations, can cause blockages, bleeding, sluggishness in drying, among other defects. 00:04:01
application of the product the incorrect application of paint products is one of the main causes 00:04:24
of defects especially in the layers of finished hanging orange peel pulverized formation 00:04:37
of shadows, etc. 00:04:46
From the point of view of the application, special attention must be paid to the number 00:04:51
of hands, the slap, if it is wet or dry. 00:04:56
As for the technique, the distance, the spray and the pressure of application will be monitored 00:05:00
Finally, the setting of the gun and the evaporation times between the hands must be controlled. 00:05:06
Drying of the paint. An inadequate adjustment of the equipment, the temperature or the drying time can cause, among other inconveniences, loss of brightness, veiled and boiled. 00:05:16
Climatological factors such as high humidity can prolong the drying time of the products 00:05:35
and cause stains and bubbles in the finish layer. 00:05:47
On the other hand, high temperatures increase the appearance of defects such as orange peel, 00:05:51
loss of brightness, sprays and splashes. 00:05:56
it is necessary to choose the right diluents and catalysts for the right temperature. 00:06:00
The defect must be taken into account in the area where the defect has occurred, 00:06:13
since in very visible parts, such as hoods, fins and doors, its existence is of great importance. 00:06:16
But this same defect may have less transcendence in pillars, strips, door sills or none, 00:06:22
are interior pieces or areas painted and covered with varnishes on those occasions 00:06:29
when a defect arises before making the decision to repaint the piece, the solution can be to 00:06:34
eliminate it by means of fine sanding, polishing and polishing operations, this can be 00:06:40
done both in small and large areas and preferably with well-treated paint, 00:06:47
always carrying out the correct process and with the right products for each case 00:06:52
We'll be right back. 00:06:59
We'll see you next time. 00:07:29
Subido por:
Emilio F.
Licencia:
Reconocimiento
Visualizaciones:
12
Fecha:
19 de febrero de 2024 - 13:23
Visibilidad:
Clave
Centro:
CFP PROFESOR RAÚL VÁZQUEZ
Duración:
07′ 46″
Relación de aspecto:
1.22:1
Resolución:
352x288 píxeles
Tamaño:
57.86 MBytes

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