CNC milling is a method of making high-precision shaped items by cutting various materials with computer controls. In other words, CNC milling is a machining process that involves the use of multi-point rotating cutting tools to remove material from a piece of metal or other material. The machines used for CNC milling operations can translate specified programmes of numbers and letters into movement of the spindle in various methods. Some of the common CNC milling operations are cutting shallow, peripheral millings, making flat cavities, producing deep pits, and more.
CNC Drilling
CNC drilling is a type of machining technique that leverages a revolving cutting tool to make round holes in a stationary workpiece. Typically, the holes are drilled to accommodate machine screws or bolts for assembly. However, depending on the component's design, they can also be employed for aesthetic purposes. Furthermore, CNC drilling units are less prone to errors since they are computer-controlled. As a result, manufacturers can achieve excellent batch-to-batch accuracy and consistency.
CNC Turning
CNC turning is a manufacturing method in which material bars are held in a chuck and rotated while a tool is fed to the item to remove material until the desired design is attained. This technique is also known as the subtractive machining process since the desired shape is obtained through the removal of material. The CNC turning process is used for implementing various operations like boring, facing, drilling, grooving, knurling, and parting.
Gantry Milling
Gantry milling is a machining technique that uses a machine with a fixed table and a moving column that can mill large workpieces from all five sides in one setup. The multipurpose Gantry milling machines allow for implementing operations like drilling, milling, turning, grinding, and laser hardening. This does not distinguish a gantry milling machine from a standard milling machine. However, owing to the bed size, gantry milling machines allow for seamless operation of larger, longer, and heavier workpieces. They often machine workpieces that have metre-scale length, width, and ton-scale weight. Such functionality is notably useful for the aerospace/aviation, automotive, and military/defence industries, as large-scale dies/moulds are required in these areas.
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