Not only do we offer quality prototypes and machined parts, but also excellent surface finish.
Not only do we offer quality prototypes and machined parts, but also excellent surface finish.
ISO 9001 CERTIFIED
CNC machines
CNC machined parts/ month
Plastic & metal materials
At Brightstar, for the appearance and roughness or other performance requirements of the product, whether it is CNC machining, polyurethane casting, sheet metal, or 3D printing parts, we are committed to providing customers with excellent product surface treatment services.
With our rich internal technology and a wide range of solid high-quality surface treatment suppliers, we can finely process the product surface to ensure that the color, texture, gloss and surface finish of the parts meet the requirements and exceed your expectations.
Understanding the material characteristics and processing requirements is crucial to CNC machine. In the field of metal CNC machining and plastic CNC machining, Brightstar's prototypes, custom metal parts and CNC plastic machining parts commonly used materials include various types of metal, plastics and composite materials. The following are some common CNC machining materials and Its characteristics:
Metal materials include steel vs aluminum, inox steel, copper, iron, aluminum alloy, copper alloy, tungsten etc.
Machinable plastics include delrin material(POM-H), ABS, nylon, polycarbonate (PC), polyoxymethylene (POM), polymethyl methacrylate (PMMA), etc., as well as polyethylene (PE), UHMW, polypropylene (PP), polyetherketone (PEEK), polyethylene terephthalate(PET), PBT, polyphenylene sulfide (PPS), polyetheretherketone (PEEK), polyvinyl chloride (PVC), Acrylic, PA (Nylon), PU, Teflon,PS, ... and other materials
Other special materials: such as carbon fiber reinforced materials, glass fiber reinforced materials, ceramics, etc.
If you need to know more about material properties or want to know more about processable materials, please contact us
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Anodizing | Anodizing is an electrolytic process used primarily for the treatment of aluminum and aluminum alloys. In this process, the metal is placed in an electrolyte as an anode, and an electric current is passed through the metal surface to form an oxide film. |
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Sand Blasting | Sandblasting is the process of using abrasive particles ejected at high pressure and at high speed to remove the oxide layer, rust or old coating on the surface, making the rough surface smooth and improving the adhesion of subsequent coatings. |
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Powder Coating | Powder Coating is an electrostatic spraying technology that charges the powder coating and adsorbs it on the surface of the object. After high-temperature baking, the powder melts and fixes on the object. |
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Painting | Painting is the process of spraying liquid paint evenly on the surface of an object in a mist form through a spray gun to form a smooth coating. One or more layers of paint are applied to the surface to provide protection, decoration or special functional coatings. |
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Electroplating | Electroplating is a process that uses the principle of electrolysis to plate a thin layer of other metals or alloys on the metal surface, such as nickel, chromium (chroming), zinc (Galvanizing), silver, rose gold, etc. |
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Silk printing | Silk printing, Silk screen printing, full name screen printing, screen printing is a printing technique that uses a mesh-like screen to transfer ink to the surface of various materials. |
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Knurling | Knurling is a manufacturing process,typically conducted on a lathe, whereby a patterm of straight,angled or crossed lines is rolled into product surface. |
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Gilding | Gilding is an ancient decorative technique that involves applying a thin layer of metal, usually gold or silver foil, to the surface of various materials to give them a unique beauty and a regal appearance. |
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Grinding | Grinding is a common surface treatment process. Its purpose is to remove irregularities, burrs, rust or other defects on the surface of the material by physical or chemical means to make the surface smoother, flatter and cleaner. |
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Polishing | Polishing is a processing method that uses abrasive particles or other polishing media and flexible polishing tools to remove fine scratches and flaws on the surface of the workpiece. |
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Wire Drawing | The main purpose of wire drawing is to form lines on the surface of the metal workpiece by physical grinding, reflecting the texture of the metal material and playing a decorative effect.Wire drawing is widely used. |
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Passivation | Passivation is a process that uses strong oxidants or electrochemical methods to cause an oxidation reaction on the metal surface, remove iron ions on the surface, form a dense passivation film, and thus improve the corrosion resistance of parts. |
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Heat Treatment | Heat treatment process is to heat the workpiece to an appropriate temperature in a certain medium, keep it at this temperature for a certain period of time, and then cool it at different speeds in different media to control. |
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Chemical conversion coating | A chemical conversion coating is a layer of film formed on a metal surface by a chemical reaction. This layer is usually a stable compound formed by the reaction of the metal with a specific chemical treatment solution. |
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Bluing | Bluing is a chemical oxidation treatment process for metal surfaces. Its purpose is to improve the rust resistance of metals (especially steel) and give the metal surface a blue protective film. Bluing treatment is usually carried out at a higher temperature, about 550°C. |
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Blackening | Blackening is also a chemical oxidation treatment process for metal surfaces. Blackening is carried out at a lower temperature, usually between 130°C and 150°C, to form a black oxide film. |
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laser engraving | Laser engraving is a process that uses a high-energy laser beam to precisely cut, mark or engrave the surface of a material. This technology can be performed on a variety of materials, including but not limited to metal. |
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Vapor Polishing | Vapor polishing is a surface treatment process used to improve the transparency and gloss of plastic parts. This technology uses a chemical vapor phase, usually a pressurized air flow. |
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texture | texture, It mainly uses chemical solutions to create various patterns on the surface of different metal products. It can not only enhance the appearance and texture of the product, but also improve the functional properties of the product. |
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Plastic coating | Plastic coating is to wrap a layer of soft rubber on the surface of hard Workpiece to make them feel textured. The core is to use the unique properties of silicone to evenly wrap silicone rubber on the surface of other materials. |
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Dyeing | Dyeing is a process of immersing product pieces in a dye solution that has been matched to the customer's desired color, thereby changing the color of the product. This treatment can enhance the product's appearance, durability, and provide certain protective effects. |
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CHROMATE oxidation | CHROMATE oxidation is indeed a chemical conversion coating treatment technology. The main components of the chromate conversion coating are compounds of trivalent chromium and hexavalent chromium, as well as chromate salts of the base metal. |
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Bead blasting | Bead blasting is a surface treatment process, a type of sandblasting. It uses high pressure to propel small beads (usually spherical particles made of glass, ceramic or metal) against the surface of a material to clean or change its surface texture. |
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water transfer printing | Water transfer technology is a printing technology that uses water pressure to transfer the transfer paper/plastic film with colored patterns to the surface of products of various shapes through the force of water. |
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Brushing | Brushing technology is the use of abrasive brushes or pads to create a textured surface, thereby improving the visual appeal and functionality of the material. Brushing can produce straight lines or specific patterns of textures. |
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Vacuum Metalizing | Vacuum Metalizing is a physical vapor deposition (PVD) technology that forms a metal film by evaporating and depositing metal onto a non-metallic substrate in a vacuum environment. |
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Hand Finishing | At Brightstar, we have a group of skilled workers who perform a series of post-processing by hand. This process involves the meticulous modification and perfection of parts or products to ensure that they meet the design specifications and functional requirements. |
Anodizing is used to increase the thickness of the natural oxide layer on the surface of aluminum alloys, improving the material's corrosion resistance, wear resistance, and providing a better surface for paint and primer adhesion. This process is widely used in the aerospace, automotive, construction and consumer goods industries.
The main functions of aerospace coatings include providing thermal protection, anti-oxidation, anti-corrosion, radiation resistance, improving material durability, and enhancing stealth capabilities. These coatings can protect the surface of aircraft from extreme temperatures, pressures, friction, and radiation, thereby extending the service life and safety of aircraft.
The future development trend of surface treatment technology is to develop in a more environmentally friendly, energy-saving, and efficient direction. For example, new technologies such as low-temperature chemical vapor deposition technology, plasma enhanced technology, and high-energy plasma surface coating technology are used to reduce energy consumption and environmental pollution while improving product performance and life.
Possible problems in metal surface treatment include incomplete oil removal, incomplete rust removal, and rust after surface treatment. Solutions include choosing a suitable degreasing agent, extending the degreasing time, increasing the degreasing liquid temperature, increasing the degreasing agent concentration, and regularly cleaning the nozzle.
New surface treatment technologies include low-temperature chemical surface coating technology, ultra-deep surface modification technology, physical vapor deposition, chemical vapor deposition, physical and chemical vapor deposition technology, and high-energy plasma surface coating technology.