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Today we use many modern 3, 4, and 5 axis milling machines to produce excellent CNC parts. Milling technology has been widely used in various applications of CNC precision machining. Aerospace, optical and medical industries, for example, rely on milling to make precision parts.


How to distinguish various types of CNC milling machines?


The difference lies in the axis on which the machine runs. These movements provide CNC milling machines with the freedom to produce complex geometric shapes. In short, the more axes, the wider the range of functions. The number of shafts also affects the accuracy and efficiency of the machine. What is five-axis machining?



A 5-axis milling machine uses all 4 axes and an additional axis of rotation. This type of CNC milling machine utilizes two of the three possible rotation axes. Therefore, the machine uses either c-axis and A-axis rotation, or C-axis and B-axis rotation. This rotation occurs on the spindle or workpiece.


The B axis is the rotation of the Y-axis in the XYZ plane. We can achieve this additional movement by attaching a Trammel's head. This modification allows complex shapes to be created in almost any direction. Spiral rotors, for example, are notorious for having complex curves in multiple directions. A 5-axis CNC machine can easily produce the part.


Common types of 5-axis CNC machine tools include full continuous 5-axis machine tools and 3+2 machine tools.


Fully continuous 5-axis machines are capable of producing very complex 3D shapes. The reason is that it allows both rotation axes to rotate simultaneously. This feature ranges from complex curved 3D surfaces to flat composite Angle features. As a result, we are even able to produce parts that would normally only be made by molding.


On the other hand, 3+2 axis machine tools only allow independent operation of the rotating axis. Therefore, we cannot rotate two axes at the same time. However, this type can make very complex 3D shapes. What are the advantages of 5-axis machining?


Most customers prefer the 5 axis due to the shorter lead time. The 5-axis CNC machining process is known for its one-step machining process, which allows better contact with the geometry of parts. In addition, the service life of these tools is significantly extended due to better cutting positioning on the worktable.

About Bergek CNC

Bergek is a world-class manufacturing service provider in Shenzhen. We got advanced equipment to provide all-around customized products for manufacturers around the world, focusing on CNC machining and sheet metal fabrication.   Our goal is to make custom parts easier. so to have your products and brands stand out, we can not only process hundreds of materials, with aluminum, bronze, brass, copper, plastic, steel, titanium, zinc, etc, and skilled technicians provide you with a variety of high-quality surface treatment services, such as anodizing, sandblasting, powder coating, roll coating, part marking, heat treatment, precious metal plating.

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