Finishes

Pieza Acabado mecanizado CNC
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What kind of finishes
do we offer?

At Proto&GO, in addition to manufacturing your prototypes, we can realise finishes for both, plastic and metal parts. Thanks to this service, we are able to offer an all-round service for the manufacturing of prototypes and final parts.

Anodizing

Surface finish applied to aluminium. Improves corrosion protection and the aesthetic appearance of the parts.

Anodizing is an electrochemical technique that changes the surface properties of some metals. It is mainly applied on aluminium. There are different reasons to perform a surface anodizing, such as improving surface hardness and resistance to wear but especially the aesthetic appearance of the surface.

Sandblasting

Surface finishing consisting of matting the workpieces by removing traces of machining.

This type of surface texturing is achieved by introducing the workpiece into a chamber where silica balls are applied to the surface of the object at high pressure through pneumatic nozzles.

Thanks to the sandblasting process, machining marks are removed and the surface of the metal is cleaned. This finishing option is the most recommended for parts that need to maintain a good aesthetic appearance without the need for anodising.

Polishing

Finish that achieves a smooth and shiny surface in metallic materials and a transparent surface in some plastics.

In the case of transparent plastic materials such as Polycarbonate (PC) or Methacrylate (PMMA), as well as for some metals such as stainless steel or brass, you can also select a polished finish.

In the case of plastics, it is essential if high transparency is required. If transparency is the main characteristic required, the use of PMMA – Methacrylate is recommended.

Black Oxid

CNC Acero al carbono Pavonado
CNC- Carbon Steel -Black Oxid

Specific steel finish with black colour that improves the appearance of the surface.

The Black Oxid is a treatment that, by chemical conversion, causes the forced oxidation of steel parts to improve their appearance and postpone corrosion.
The colour of the oxidation is generally a deep black for carbon steels.

This process hardly varies the dimensions of the treated metals.

Zinc Plating

Zinc Bath to protect the parts from oxidation.

Zinc Plating is the surface treatment of a piece of metal with a Zinc Bath to protect it from oxidation while improving its appearance.

Generally, Zinc Plating provides an average coating thickness of 6-12 microns, generating a resulting white-grey colour.

CNC Acero al carbono Zincado
CNC - Zinc Plated Carbon Steel

Chrome Plating

Chrome Bath that can be done on plastic and metals to avoid oxidation and improve the aesthetics of the pieces.

Chrome Plating is a surface treatment (chrome bath) that can be done on some metals and plastics.

In the case of metals, it is used to prevent the oxidation of materials, it also offers a decorative finish that provides resistance to corrosion.

In the case of plastic materials, the ideal material for this finish is Natural ABS.

Nickel Plating

Nickel Plating applied to metals to improve resistance and aesthetic appearance.

Nickel Plating is a metallic nickel coating obtained by an electrolytic bath to increase the oxidation and corrosion resistance of metals and improve their appearance, especially in decorative elements.

This process is applied to certain metals, such as steel or aluminium.

Pigmenting

Pigmenting is a finish that is applied to the polyurethane cast in silicone moulds to give colour in mass to the whole piece.

When manufacturing the pieces in silicone moulds (Vacuum Casting), we can choose between two types of surface treatment, painting or pigmentation.

The Pigmentation, consists in adding the colour while the polyurethane is liquid. In this way, the piece is made directly with the desired colour, so that the colour of the piece is not superficial but coloured in the mass.

The pigmentation can be applied to both rigid and flexible polyurethane parts.

The pigmented  surface, regardless of its matt, satin or glossy texture, is ideal for parts that may show signs of wear and tear, maintaining the colour of the part.

You can choose the colour of the pigmentation in the RAL and PANTONE charts.

It is important to note that the pigmentation has a colour tolerance, while painting achieves the desired colour result.

Painting

Surface finish applied to different materials so that the piece will obtain the desired colour, either in RAL or Pantone.

Painting is a surface treatment that can be applied to different materials, both plastic and metal.

There are three different painting types to choose from: matt, satin or glossy.

The painting of the pieces allows us to offer an aesthetic surface finish for your project.

You can choose the colour of the painting in RAL and PANTONE.

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