Hey there! As a supplier of 6063 Electric Cylinder Tubes, I often get asked about the inner surface roughness of these tubes. It's a crucial aspect that can significantly impact the performance of the electric cylinders they're used in. So, let's dive right into it and explore what the inner surface roughness of the 6063 Electric Cylinder Tube is all about.
First off, let's talk a bit about 6063 aluminium. It's a popular choice for electric cylinder tubes because of its excellent combination of properties. It's lightweight, corrosion - resistant, and has good formability. These qualities make it ideal for many applications where weight and durability are important factors.
Now, when it comes to the inner surface roughness of the 6063 Electric Cylinder Tube, it refers to the small - scale irregularities on the internal surface of the tube. You can think of it as the tiny bumps and valleys that aren't visible to the naked eye. These irregularities are usually measured in micrometers (μm).
The inner surface roughness matters a lot in electric cylinders. In a cylinder, there are moving parts like pistons that slide inside the tube. If the inner surface is too rough, it can cause increased friction. This extra friction can lead to several problems. For example, it can make the movement of the piston less smooth, which in turn can reduce the overall efficiency of the electric cylinder. It might also cause more wear and tear on the piston and the tube itself over time, shortening the lifespan of the cylinder.
On the other hand, if the inner surface is too smooth, it can also pose issues. Lubrication might not be retained properly on an overly smooth surface. Lubrication is essential in electric cylinders as it helps to reduce friction and prevent damage to the moving parts. So, there's a sweet spot for the inner surface roughness that we aim for.
The ideal inner surface roughness for a 6063 Electric Cylinder Tube typically falls within a certain range. Usually, a roughness value (Ra) between 0.4 μm and 1.6 μm is considered good for most applications. The Ra value is the arithmetic average of the absolute values of the surface height deviations from the mean line.
Achieving the right inner surface roughness is no easy feat. It involves a series of manufacturing processes. First, the raw 6063 aluminium material is shaped into a tube through methods like extrusion. After that, there are often secondary processes to refine the inner surface. One common method is honing. Honing is a precision machining process that uses abrasive stones to remove a small amount of material from the inner surface of the tube, creating a more uniform and smooth finish.
Another factor that can affect the inner surface roughness is the quality of the raw material. High - quality 6063 aluminium with fewer impurities is more likely to result in a tube with better inner surface characteristics. We always source our raw materials from reliable suppliers to ensure the best starting point for our manufacturing process.

Let's also talk about how the inner surface roughness can impact different types of electric cylinder applications. In high - precision applications, such as in the aerospace or medical industries, a lower inner surface roughness (closer to 0.4 μm) is usually required. This is because these applications demand extremely smooth and precise movement of the pistons. Any extra friction or unevenness could lead to errors in the operation of the equipment.
In industrial applications where the requirements aren't as strict, a slightly higher roughness value (around 1.6 μm) might be acceptable. These applications can tolerate a bit more friction and wear, but still, maintaining a reasonable inner surface quality is important to ensure a decent lifespan for the electric cylinders.
When you're choosing a 6063 Electric Cylinder Tube, it's essential to consider the inner surface roughness based on your specific application. If you're not sure what roughness value is best for your needs, don't hesitate to reach out to us. We have a team of experts who can help you make the right decision.
We take great pride in the quality of our Aluminium 6063 Electric Cylinder Tubes. We use state - of - the - art manufacturing techniques and strict quality control measures to ensure that the inner surface roughness of our tubes meets the highest standards. Every tube we produce goes through thorough testing to verify its surface characteristics.
If you're in the market for 6063 Electric Cylinder Tubes, we'd love to have a chat with you. Whether you're a small - scale manufacturer or a large - scale industrial company, we can provide you with the right tubes for your needs. We offer a wide range of sizes and specifications, and we're always willing to work with you to customize the tubes according to your requirements.
In conclusion, the inner surface roughness of the 6063 Electric Cylinder Tube is a critical factor that can have a big impact on the performance and lifespan of electric cylinders. By understanding the importance of the right roughness value and how it's achieved, you can make a more informed decision when purchasing these tubes. So, if you're looking for high - quality 6063 Electric Cylinder Tubes, get in touch with us. We're here to help you find the perfect solution for your applications.
References
- ASM Handbook Volume 2: Properties and Selection: Nonferrous Alloys and Special - Purpose Materials
- Manufacturing Engineering and Technology by Serope Kalpakjian and Steven R. Schmid




