Metal Rapid Prototyping process
  • Metal Rapid Prototyping processMetal Rapid Prototyping process
  • Metal Rapid Prototyping processMetal Rapid Prototyping process

Metal Rapid Prototyping process

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Product Description

Metal Rapid Prototyping process

Metal rapid prototyping, also known as rapid metal prototyping or rapid prototyping of metal parts, refers to the process of quickly and efficiently fabricating metal prototypes using additive manufacturing technologies. These technologies allow for the creation of complex geometries and functional metal parts without the need for traditional machining or tooling processes.
There are several metal rapid prototyping processes available, each with its own advantages and considerations. Here are some commonly used methods:
1.Direct Metal Laser Sintering (DMLS): DMLS utilizes a high-powered laser to selectively fuse metal powder particles, layer by layer, to create the desired metal part. It offers high accuracy, good surface finish, and the ability to produce complex shapes. Materials commonly used in DMLS include stainless steel, titanium, aluminum, and cobalt-chrome.
2.Selective Laser Melting (SLM): SLM is similar to DMLS but involves fully melting the metal powder rather than sintering it. This results in a denser part with improved mechanical properties. SLM is often used with materials like titanium, aluminum, and nickel alloys.
3.Electron Beam Melting (EBM): EBM uses an electron beam to melt metal powder and create the desired part. It offers high build speeds and can process materials such as titanium and cobalt-chrome. EBM is particularly suitable for large-scale parts.
4.Binder Jetting: In this process, a liquid binder is selectively deposited onto metal powder layers, binding them together. Once the part is fully printed, it undergoes a secondary process, such as sintering or infiltration, to achieve its final strength. Binder jetting can be used with a variety of metals, including stainless steel, bronze, and tool steel.

5.Metal Injection Molding (MIM): Although not strictly an additive manufacturing process, MIM combines aspects of both traditional injection molding and powder metallurgy. It involves mixing metal powders with a polymer binder, which is then injection molded. Afterward, the binder is removed, and the part undergoes sintering to achieve its final metal state.
These processes enable designers and engineers to rapidly iterate and test metal prototypes, saving time and costs compared to traditional manufacturing methods. However, it's important to note that each process has its own limitations and considerations, such as build size restrictions, post-processing requirements, and material properties, which should be taken into account when selecting the most suitable method for a specific application.

CNC Machining Aluminium Prototype

Because of the low density, light weight, good stiffness, and easy machining of aluminum, it becomes the first-choice material of high precision parts, jigs and fixtures. And CNC machining aluminum prototype is widely used for the hand model in the field of aerospace, aviation, automobile, medical and domestic appliances.

Metal Rapid Prototyping process

The default dimension tolerance of CNC machining aluminum prototype is between ±0.1mm. If customers require the tolerance less than 0.1mm, 2D files need to be provided, in the format of PDF, DWG or DXF. To ensure that the prototype you receive is accurate in dimension and precision, Bordersun will provide full-scale measurement reports for 10 parts of the prototype.

Metal Rapid Prototyping processMetal Rapid Prototyping process

(Measurement report) (4-2)

With relevant electrolyte, particular process and electric current, the surface of aluminum alloy will produce an oxidation film. The film is protective and decorative. The anodic oxidation surface treatment of CNC machining aluminum prototype is plentiful, and all color can be made.

Measurement report

After oxidized coloring, the CNC machining aluminum prototype needs to be sealed. Sealing the micropore, so that the dyestuff molecule will not drain, and the function and decoration of the surface can be protected. Because of the lack of colorimeter, the small workshop makes visual judgement by comparing Pantone, which may result in error and dissatisfy the customers. The main reason is that the abrasive blasting is not distributed evenly, and it results in the two different surfaces after anodic oxidation.

Metal Rapid Prototyping process

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