Photo etched fuel cell plates involves the use of the technique of chemical etching of elements from a metal sheet (no more than one and a half millimeters thick). It is usually, copper alloys or ordinary copper act as the base material.
Photo-etch kits allow you to replace oversize elements that cannot be neatly made from polymer materials; sometimes there is a need to supplement the model with elements that are not in the basic configuration. For example, handrails for ship models, instrument panels for aircraft, antennas, sights, landing shields.
There are special photo etched fuel cell plates kits oriented to models of a particular manufacturer. The technique itself can use even people who join the field of modeling not so long ago and do not have many years of work skills.
A basic ability to handle prefabricated plastic models is sufficient. However, this technology involves a lot of subtleties, which we will discuss in this article. Note that among the advantages of photo-etched parts: ease of processing, no need to adjust the elements to each other, a large selection of sets.
On a cell plate made of steel, you need to draw contour lines; special dyes use. Then the cell plate is sent to the pickling bath, where the metal, located on the places cover with a layer of paint, remains, and on the unpainted places it dissolves.
Then the paint layer washes off. The algorithm repeats several times: by processing the product from several sides, it is possible to obtain a cell plate with a small relief layer.
The application of a protective layer is carried out one of three methods of photo etched fuel cell plates in modeling:
Under it, they usually mean the procedure of photo etching. A photoresist apply to the surface layer - a special agent whose composition changes when expose to ultraviolet radiation. Next, a template applies that contains areas that differ in transparency and opacity.
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An exposure takes place under an ultraviolet lamp (or the part places under the influence of sunlight). The expose photoresist is then exposing to sodium hydroxide solution and wash.
There are negative and positive photoresist; it depends on the type of substance whether, it remains in the irradiated and protect places. Usually this method uses in industrial model production.
A more rigorous name is the laser-ironing method. The mirror template prints using laser equipment (printer, copier) on coated paper or self-adhesive film backing. Then the resulting print will need to apply to a metal surface and heat with an iron.
The toner will melt a little and stick to the metal (it sticks to it better than to the paper surface); it also performs a protective function. The simplicity of the technique ensures its popularity (often this method calls photo etched fuel cell plates at home), but in terms of efficiency it is much inferior to the “traditional” one.
If you do not want to waste time and energy, use the least effective, but extremely simple technique. The protective coating simply paints with colorful substances.
This method may be suitable for manufacturing a single element or correcting deviations of the laser ironing method. In addition, with its help, you can apply the second and third masks after etching the relief.
Photo- etching of models occurs in several steps. Photo etched fuel cell plates separate from the plate material, the remains of the articulation sites are cut down.
If a need arises, a bend made with a tool and glue to the model. Sets that already paint in the printing house are common. For example, aircraft dashboards; sometimes they pre-supply with a self-adhesive backing.
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The seeds elements can solder to form a three-dimensional structure. For the photo etched fuel cell plates procedure, you will need tools such as a knife (should be sharp enough), a cutting surface (a polystyrene sheet will do), a strong steel ruler, and small tweezers.
You will also need cyanoacrylate glue, a flat profile with a small notch. Drills can be useful, with which it will be possible to bend cell plates. You can buy materials in our catalog.
We hope this article will be useful for your photo etched fuel cell plates work!
Metal engraving techniques relate to the most common shapes or tools uses to engrave an image into the matrix, which are:
However, there are also other photo etched fuel cell plates tool options, such as:
Other less conventional tools of metal engraving are:
The use of the dry point metal engraving technique performs with a direct incision that can dispense with the use of varnish. Overall, the process is:
