Computer numerical control (CNC) machining, a subtractive manufacturing technique, can be used to precisely and economically make high-precision parts. CNC machining uses cutting tools to eliminate superfluous raw material from workpieces in order to generate a precise final product out of materials like plastic, metal, and composites. Multi-axis machining options now include 3-axis, 5-axis, and even 9-axis machining, giving product teams a wide range of choices. What sets one group apart from the others? In this article, we’ll examine the key similarities and differences between the two popular types of CNC machining (3-axis and 5-axis) and explain when it would be better to use one over the other.
X, Y, Z, as well as A and B, around which it rotates, are the five directions in which a tool used in 5-axis machines can move. A 5-axis CNC machine allows operators to approach from all directions within a single operation, eliminating the need to manually shift the workpiece between procedures. The ideal ᴍᴇᴛʜod for producing complex and accurate parts for the aerospace, oil & gas, and medical industries is time-efficient 5-axis CNC machining. A few various kinds of 5-axis machines, such as mill turning CNC centers, continuous 5-axis CNC machines, and indexed 5-axis CNC machines, need to be understood by product teams.
Similar to 3-axis CNC milling, indexed 5-axis CNC machining only moves the cutting tool along three axes and does not maintain consistent contact with the workpiece. The cutting table and tool head, however, can automatically swivel in two directions in between operations. With the aid of indexed 5-axis machining, housings, jigs, and fixtures may be easily created. It falls between continuous 5-axis CNC machining and 3-axis CNC milling in terms of speed, precision, and ability to handle complex geometries.
Continuous 5-axis CNC machining speeds up production and enables the construction of complicated geometries with organic surfaces by allowing simultaneous rotation and movement of the workpiece and cutting tool. Although continuous 5-axis CNC machining has the highest cost per product, it enhances dimensional stability, speed, and surface polish.
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Video resource: TITANS of CNC MACHINING