We know that you as a designer or a purchasing manager, may sometimes wonder… Why can’t your current supplier control the post-processing of small batch prototypes? How can a manufacturer avoid chromatic aberration? Modo Rapid as a professional prototype factory with extensive experience in Shenzhen China. We know how to control the exact time of anodizing and other processes. Cooperating with Modo Rapid team, you can have choices as below:
What is surface finishing?
Surface finishing is a manufacturing process that alters the surface of a material to achieve certain desired characteristics, such as improved aesthetics, corrosion resistance, or wear resistance.
What are some common methods of surface finishing?
Some common methods of surface finishing include polishing, sanding, grinding, buffing, plating, anodizing, and painting.
Why is surface finishing important in manufacturing?
Surface finishing can greatly impact the performance and functionality of a final product. It can improve durability, reduce friction and wear between moving parts, enhance aesthetics, and provide protection against corrosion or other environmental factors.
How do you choose the right surface finish for your product?
The choice of surface finish depends on several factors such as the material being used, the intended application of the product, and any industry standards or regulations that must be met. Consulting with experts in the field can help determine the best surface finish for your specific needs.
What is SPI B3 surface finish?
SPI B3 refers to a specific level of smoothness and texture on a plastic surface. This particular finish is achieved through a combination of machining processes such as polishing or sanding which remove any imperfections or roughness on the material’s surface.
Can different materials have the same surface finish?
Yes. While different materials may require different methods to achieve the desired finish characteristics (e.g., metal vs. plastic), they can ultimately have similar finishes in terms of texture and appearance.
How important is quality control in surface finishing?
Quality control is critical in ensuring that finished surfaces meet industry standards and customer requirements. Regular inspections and testing should be conducted throughout the manufacturing process to identify any defects or inconsistencies that could affect product performance or quality.
Anodizing converts the metal surface into a decorative, durable, corrosion-resistant, anodic oxide finish.
Aluminum is ideally suited to anodizing, such as aluminum 6061, 7075, which are what we usually use. Although other nonferrous metals, such as magnesium and titanium, also can be anodized.
As we know, aluminum 7075 is a aviation grade aluminum, however it doesn’t look as good oxidized as the aluminum 6061. Different batches of aluminum, after the same post-treatment will be slightly different. So you choose us the first time, it would be better to work with us the second time. We know how to control the difference of them and provide the same great quality.
Powder coating can maintain its finish up to 15-20 years, depending on pre-treatment and the type of powder. Its resistance to weather, corrosion, and chemicals makes powder coating a more durable finish than paint or other liquid coatings.
Powder coating is a more durable finish than paint or other liquid coatings, as its resistance to weather, corrosion, and chemicals. It can last up to 15-20 years.
However it influenced by 2 factors. Pre-treatment and longevity of powder coating types.
If your metal substrate is pre-treated poorly, then powder coat will chip easily and have a very short life. In order to get proper adherence, we should make the surface clean as powder particles are electrostatically charged onto the surface. So we should strip any exist coating and corrosion, and clean bare metal of your part.
We provide 4 types of powder coating for your project.
Epoxy, Polyester, Fluoropolymers, and Urethanes.
Chromium is a kind of silver-white metal with microstrip blue. Chromium metal is easily passivated in the air, and a very thin passivation film is formed on the surface, thus showing the properties of precious metals. The chromium plating layer has high hardness, and its hardness can vary within a wide range of 400-1200HV according to the composition of the plating solution and process conditions. The chrome plating layer has good heat resistance. When heated below 500 °C, its gloss and hardness have no obvious change. When the temperature is higher than 500 °C, it begins to oxidize and discolor, and when it is higher than 700 °C, the hardness begins to decrease. The friction coefficient of the chrome layer is small, especially the dry friction coefficient, which is the lowest among all metals. So the chrome layer has good wear resistance.
The role of galvanizing is to prevent the corrosion of steel, which is easily corroded in the natural atmosphere. Zinc is not easy to change in dry air, and in humid environment, a dense zinc carbonate protective film will be formed on the surface, which can effectively protect steel. After removing the oil and dust on the surface, pickling and cleaning to remove impurities on the surface of the plated parts, put them in the zinc salt solution, and at the same time place a zinc plate on the opposite side of the plated parts, then connect the plated parts to the negative electrode of the electrolysis equipment, and the zinc plate to the positive electrode of the electrolysis equipment. , turn on the power supply, and attach a zinc layer to the plated parts through the electrolytic reaction.
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